clk-tegra30.c 70 KB

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  1. /*
  2. * Copyright (c) 2012, NVIDIA CORPORATION. All rights reserved.
  3. *
  4. * This program is free software; you can redistribute it and/or modify it
  5. * under the terms and conditions of the GNU General Public License,
  6. * version 2, as published by the Free Software Foundation.
  7. *
  8. * This program is distributed in the hope it will be useful, but WITHOUT
  9. * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  10. * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
  11. * more details.
  12. *
  13. * You should have received a copy of the GNU General Public License
  14. * along with this program. If not, see <http://www.gnu.org/licenses/>.
  15. */
  16. #include <linux/io.h>
  17. #include <linux/delay.h>
  18. #include <linux/clk.h>
  19. #include <linux/clk-provider.h>
  20. #include <linux/clkdev.h>
  21. #include <linux/of.h>
  22. #include <linux/of_address.h>
  23. #include <linux/clk/tegra.h>
  24. #include <linux/tegra-powergate.h>
  25. #include "clk.h"
  26. #define RST_DEVICES_L 0x004
  27. #define RST_DEVICES_H 0x008
  28. #define RST_DEVICES_U 0x00c
  29. #define RST_DEVICES_V 0x358
  30. #define RST_DEVICES_W 0x35c
  31. #define RST_DEVICES_SET_L 0x300
  32. #define RST_DEVICES_CLR_L 0x304
  33. #define RST_DEVICES_SET_H 0x308
  34. #define RST_DEVICES_CLR_H 0x30c
  35. #define RST_DEVICES_SET_U 0x310
  36. #define RST_DEVICES_CLR_U 0x314
  37. #define RST_DEVICES_SET_V 0x430
  38. #define RST_DEVICES_CLR_V 0x434
  39. #define RST_DEVICES_SET_W 0x438
  40. #define RST_DEVICES_CLR_W 0x43c
  41. #define RST_DEVICES_NUM 5
  42. #define CLK_OUT_ENB_L 0x010
  43. #define CLK_OUT_ENB_H 0x014
  44. #define CLK_OUT_ENB_U 0x018
  45. #define CLK_OUT_ENB_V 0x360
  46. #define CLK_OUT_ENB_W 0x364
  47. #define CLK_OUT_ENB_SET_L 0x320
  48. #define CLK_OUT_ENB_CLR_L 0x324
  49. #define CLK_OUT_ENB_SET_H 0x328
  50. #define CLK_OUT_ENB_CLR_H 0x32c
  51. #define CLK_OUT_ENB_SET_U 0x330
  52. #define CLK_OUT_ENB_CLR_U 0x334
  53. #define CLK_OUT_ENB_SET_V 0x440
  54. #define CLK_OUT_ENB_CLR_V 0x444
  55. #define CLK_OUT_ENB_SET_W 0x448
  56. #define CLK_OUT_ENB_CLR_W 0x44c
  57. #define CLK_OUT_ENB_NUM 5
  58. #define OSC_CTRL 0x50
  59. #define OSC_CTRL_OSC_FREQ_MASK (0xF<<28)
  60. #define OSC_CTRL_OSC_FREQ_13MHZ (0X0<<28)
  61. #define OSC_CTRL_OSC_FREQ_19_2MHZ (0X4<<28)
  62. #define OSC_CTRL_OSC_FREQ_12MHZ (0X8<<28)
  63. #define OSC_CTRL_OSC_FREQ_26MHZ (0XC<<28)
  64. #define OSC_CTRL_OSC_FREQ_16_8MHZ (0X1<<28)
  65. #define OSC_CTRL_OSC_FREQ_38_4MHZ (0X5<<28)
  66. #define OSC_CTRL_OSC_FREQ_48MHZ (0X9<<28)
  67. #define OSC_CTRL_MASK (0x3f2 | OSC_CTRL_OSC_FREQ_MASK)
  68. #define OSC_CTRL_PLL_REF_DIV_MASK (3<<26)
  69. #define OSC_CTRL_PLL_REF_DIV_1 (0<<26)
  70. #define OSC_CTRL_PLL_REF_DIV_2 (1<<26)
  71. #define OSC_CTRL_PLL_REF_DIV_4 (2<<26)
  72. #define OSC_FREQ_DET 0x58
  73. #define OSC_FREQ_DET_TRIG BIT(31)
  74. #define OSC_FREQ_DET_STATUS 0x5c
  75. #define OSC_FREQ_DET_BUSY BIT(31)
  76. #define OSC_FREQ_DET_CNT_MASK 0xffff
  77. #define CCLKG_BURST_POLICY 0x368
  78. #define SUPER_CCLKG_DIVIDER 0x36c
  79. #define CCLKLP_BURST_POLICY 0x370
  80. #define SUPER_CCLKLP_DIVIDER 0x374
  81. #define SCLK_BURST_POLICY 0x028
  82. #define SUPER_SCLK_DIVIDER 0x02c
  83. #define SYSTEM_CLK_RATE 0x030
  84. #define PLLC_BASE 0x80
  85. #define PLLC_MISC 0x8c
  86. #define PLLM_BASE 0x90
  87. #define PLLM_MISC 0x9c
  88. #define PLLP_BASE 0xa0
  89. #define PLLP_MISC 0xac
  90. #define PLLX_BASE 0xe0
  91. #define PLLX_MISC 0xe4
  92. #define PLLD_BASE 0xd0
  93. #define PLLD_MISC 0xdc
  94. #define PLLD2_BASE 0x4b8
  95. #define PLLD2_MISC 0x4bc
  96. #define PLLE_BASE 0xe8
  97. #define PLLE_MISC 0xec
  98. #define PLLA_BASE 0xb0
  99. #define PLLA_MISC 0xbc
  100. #define PLLU_BASE 0xc0
  101. #define PLLU_MISC 0xcc
  102. #define PLL_MISC_LOCK_ENABLE 18
  103. #define PLLDU_MISC_LOCK_ENABLE 22
  104. #define PLLE_MISC_LOCK_ENABLE 9
  105. #define PLL_BASE_LOCK BIT(27)
  106. #define PLLE_MISC_LOCK BIT(11)
  107. #define PLLE_AUX 0x48c
  108. #define PLLC_OUT 0x84
  109. #define PLLM_OUT 0x94
  110. #define PLLP_OUTA 0xa4
  111. #define PLLP_OUTB 0xa8
  112. #define PLLA_OUT 0xb4
  113. #define AUDIO_SYNC_CLK_I2S0 0x4a0
  114. #define AUDIO_SYNC_CLK_I2S1 0x4a4
  115. #define AUDIO_SYNC_CLK_I2S2 0x4a8
  116. #define AUDIO_SYNC_CLK_I2S3 0x4ac
  117. #define AUDIO_SYNC_CLK_I2S4 0x4b0
  118. #define AUDIO_SYNC_CLK_SPDIF 0x4b4
  119. #define PMC_CLK_OUT_CNTRL 0x1a8
  120. #define CLK_SOURCE_I2S0 0x1d8
  121. #define CLK_SOURCE_I2S1 0x100
  122. #define CLK_SOURCE_I2S2 0x104
  123. #define CLK_SOURCE_I2S3 0x3bc
  124. #define CLK_SOURCE_I2S4 0x3c0
  125. #define CLK_SOURCE_SPDIF_OUT 0x108
  126. #define CLK_SOURCE_SPDIF_IN 0x10c
  127. #define CLK_SOURCE_PWM 0x110
  128. #define CLK_SOURCE_D_AUDIO 0x3d0
  129. #define CLK_SOURCE_DAM0 0x3d8
  130. #define CLK_SOURCE_DAM1 0x3dc
  131. #define CLK_SOURCE_DAM2 0x3e0
  132. #define CLK_SOURCE_HDA 0x428
  133. #define CLK_SOURCE_HDA2CODEC_2X 0x3e4
  134. #define CLK_SOURCE_SBC1 0x134
  135. #define CLK_SOURCE_SBC2 0x118
  136. #define CLK_SOURCE_SBC3 0x11c
  137. #define CLK_SOURCE_SBC4 0x1b4
  138. #define CLK_SOURCE_SBC5 0x3c8
  139. #define CLK_SOURCE_SBC6 0x3cc
  140. #define CLK_SOURCE_SATA_OOB 0x420
  141. #define CLK_SOURCE_SATA 0x424
  142. #define CLK_SOURCE_NDFLASH 0x160
  143. #define CLK_SOURCE_NDSPEED 0x3f8
  144. #define CLK_SOURCE_VFIR 0x168
  145. #define CLK_SOURCE_SDMMC1 0x150
  146. #define CLK_SOURCE_SDMMC2 0x154
  147. #define CLK_SOURCE_SDMMC3 0x1bc
  148. #define CLK_SOURCE_SDMMC4 0x164
  149. #define CLK_SOURCE_VDE 0x1c8
  150. #define CLK_SOURCE_CSITE 0x1d4
  151. #define CLK_SOURCE_LA 0x1f8
  152. #define CLK_SOURCE_OWR 0x1cc
  153. #define CLK_SOURCE_NOR 0x1d0
  154. #define CLK_SOURCE_MIPI 0x174
  155. #define CLK_SOURCE_I2C1 0x124
  156. #define CLK_SOURCE_I2C2 0x198
  157. #define CLK_SOURCE_I2C3 0x1b8
  158. #define CLK_SOURCE_I2C4 0x3c4
  159. #define CLK_SOURCE_I2C5 0x128
  160. #define CLK_SOURCE_UARTA 0x178
  161. #define CLK_SOURCE_UARTB 0x17c
  162. #define CLK_SOURCE_UARTC 0x1a0
  163. #define CLK_SOURCE_UARTD 0x1c0
  164. #define CLK_SOURCE_UARTE 0x1c4
  165. #define CLK_SOURCE_VI 0x148
  166. #define CLK_SOURCE_VI_SENSOR 0x1a8
  167. #define CLK_SOURCE_3D 0x158
  168. #define CLK_SOURCE_3D2 0x3b0
  169. #define CLK_SOURCE_2D 0x15c
  170. #define CLK_SOURCE_EPP 0x16c
  171. #define CLK_SOURCE_MPE 0x170
  172. #define CLK_SOURCE_HOST1X 0x180
  173. #define CLK_SOURCE_CVE 0x140
  174. #define CLK_SOURCE_TVO 0x188
  175. #define CLK_SOURCE_DTV 0x1dc
  176. #define CLK_SOURCE_HDMI 0x18c
  177. #define CLK_SOURCE_TVDAC 0x194
  178. #define CLK_SOURCE_DISP1 0x138
  179. #define CLK_SOURCE_DISP2 0x13c
  180. #define CLK_SOURCE_DSIB 0xd0
  181. #define CLK_SOURCE_TSENSOR 0x3b8
  182. #define CLK_SOURCE_ACTMON 0x3e8
  183. #define CLK_SOURCE_EXTERN1 0x3ec
  184. #define CLK_SOURCE_EXTERN2 0x3f0
  185. #define CLK_SOURCE_EXTERN3 0x3f4
  186. #define CLK_SOURCE_I2CSLOW 0x3fc
  187. #define CLK_SOURCE_SE 0x42c
  188. #define CLK_SOURCE_MSELECT 0x3b4
  189. #define CLK_SOURCE_EMC 0x19c
  190. #define AUDIO_SYNC_DOUBLER 0x49c
  191. #define PMC_CTRL 0
  192. #define PMC_CTRL_BLINK_ENB 7
  193. #define PMC_DPD_PADS_ORIDE 0x1c
  194. #define PMC_DPD_PADS_ORIDE_BLINK_ENB 20
  195. #define PMC_BLINK_TIMER 0x40
  196. #define UTMIP_PLL_CFG2 0x488
  197. #define UTMIP_PLL_CFG2_STABLE_COUNT(x) (((x) & 0xffff) << 6)
  198. #define UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT(x) (((x) & 0x3f) << 18)
  199. #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_A_POWERDOWN BIT(0)
  200. #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_B_POWERDOWN BIT(2)
  201. #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_C_POWERDOWN BIT(4)
  202. #define UTMIP_PLL_CFG1 0x484
  203. #define UTMIP_PLL_CFG1_ENABLE_DLY_COUNT(x) (((x) & 0x1f) << 6)
  204. #define UTMIP_PLL_CFG1_XTAL_FREQ_COUNT(x) (((x) & 0xfff) << 0)
  205. #define UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERDOWN BIT(14)
  206. #define UTMIP_PLL_CFG1_FORCE_PLL_ACTIVE_POWERDOWN BIT(12)
  207. #define UTMIP_PLL_CFG1_FORCE_PLLU_POWERDOWN BIT(16)
  208. /* Tegra CPU clock and reset control regs */
  209. #define TEGRA_CLK_RST_CONTROLLER_CLK_CPU_CMPLX 0x4c
  210. #define TEGRA_CLK_RST_CONTROLLER_RST_CPU_CMPLX_SET 0x340
  211. #define TEGRA_CLK_RST_CONTROLLER_RST_CPU_CMPLX_CLR 0x344
  212. #define TEGRA30_CLK_RST_CONTROLLER_CLK_CPU_CMPLX_CLR 0x34c
  213. #define TEGRA30_CLK_RST_CONTROLLER_CPU_CMPLX_STATUS 0x470
  214. #define CPU_CLOCK(cpu) (0x1 << (8 + cpu))
  215. #define CPU_RESET(cpu) (0x1111ul << (cpu))
  216. #define CLK_RESET_CCLK_BURST 0x20
  217. #define CLK_RESET_CCLK_DIVIDER 0x24
  218. #define CLK_RESET_PLLX_BASE 0xe0
  219. #define CLK_RESET_PLLX_MISC 0xe4
  220. #define CLK_RESET_SOURCE_CSITE 0x1d4
  221. #define CLK_RESET_CCLK_BURST_POLICY_SHIFT 28
  222. #define CLK_RESET_CCLK_RUN_POLICY_SHIFT 4
  223. #define CLK_RESET_CCLK_IDLE_POLICY_SHIFT 0
  224. #define CLK_RESET_CCLK_IDLE_POLICY 1
  225. #define CLK_RESET_CCLK_RUN_POLICY 2
  226. #define CLK_RESET_CCLK_BURST_POLICY_PLLX 8
  227. /* PLLM override registers */
  228. #define PMC_PLLM_WB0_OVERRIDE 0x1dc
  229. #ifdef CONFIG_PM_SLEEP
  230. static struct cpu_clk_suspend_context {
  231. u32 pllx_misc;
  232. u32 pllx_base;
  233. u32 cpu_burst;
  234. u32 clk_csite_src;
  235. u32 cclk_divider;
  236. } tegra30_cpu_clk_sctx;
  237. #endif
  238. static int periph_clk_enb_refcnt[CLK_OUT_ENB_NUM * 32];
  239. static void __iomem *clk_base;
  240. static void __iomem *pmc_base;
  241. static unsigned long input_freq;
  242. static DEFINE_SPINLOCK(clk_doubler_lock);
  243. static DEFINE_SPINLOCK(clk_out_lock);
  244. static DEFINE_SPINLOCK(pll_div_lock);
  245. static DEFINE_SPINLOCK(cml_lock);
  246. static DEFINE_SPINLOCK(pll_d_lock);
  247. static DEFINE_SPINLOCK(sysrate_lock);
  248. #define TEGRA_INIT_DATA_MUX(_name, _con_id, _dev_id, _parents, _offset, \
  249. _clk_num, _regs, _gate_flags, _clk_id) \
  250. TEGRA_INIT_DATA(_name, _con_id, _dev_id, _parents, _offset, \
  251. 30, 2, 0, 0, 8, 1, 0, _regs, _clk_num, \
  252. periph_clk_enb_refcnt, _gate_flags, _clk_id)
  253. #define TEGRA_INIT_DATA_DIV16(_name, _con_id, _dev_id, _parents, _offset, \
  254. _clk_num, _regs, _gate_flags, _clk_id) \
  255. TEGRA_INIT_DATA(_name, _con_id, _dev_id, _parents, _offset, \
  256. 30, 2, 0, 0, 16, 0, TEGRA_DIVIDER_ROUND_UP, \
  257. _regs, _clk_num, periph_clk_enb_refcnt, \
  258. _gate_flags, _clk_id)
  259. #define TEGRA_INIT_DATA_MUX8(_name, _con_id, _dev_id, _parents, _offset, \
  260. _clk_num, _regs, _gate_flags, _clk_id) \
  261. TEGRA_INIT_DATA(_name, _con_id, _dev_id, _parents, _offset, \
  262. 29, 3, 0, 0, 8, 1, 0, _regs, _clk_num, \
  263. periph_clk_enb_refcnt, _gate_flags, _clk_id)
  264. #define TEGRA_INIT_DATA_INT(_name, _con_id, _dev_id, _parents, _offset, \
  265. _clk_num, _regs, _gate_flags, _clk_id) \
  266. TEGRA_INIT_DATA(_name, _con_id, _dev_id, _parents, _offset, \
  267. 30, 2, 0, 0, 8, 1, TEGRA_DIVIDER_INT, _regs, \
  268. _clk_num, periph_clk_enb_refcnt, _gate_flags, \
  269. _clk_id)
  270. #define TEGRA_INIT_DATA_UART(_name, _con_id, _dev_id, _parents, _offset,\
  271. _clk_num, _regs, _clk_id) \
  272. TEGRA_INIT_DATA(_name, _con_id, _dev_id, _parents, _offset, \
  273. 30, 2, 0, 0, 16, 1, TEGRA_DIVIDER_UART, _regs, \
  274. _clk_num, periph_clk_enb_refcnt, 0, _clk_id)
  275. #define TEGRA_INIT_DATA_NODIV(_name, _con_id, _dev_id, _parents, _offset, \
  276. _mux_shift, _mux_width, _clk_num, _regs, \
  277. _gate_flags, _clk_id) \
  278. TEGRA_INIT_DATA(_name, _con_id, _dev_id, _parents, _offset, \
  279. _mux_shift, _mux_width, 0, 0, 0, 0, 0, _regs, \
  280. _clk_num, periph_clk_enb_refcnt, _gate_flags, \
  281. _clk_id)
  282. /*
  283. * IDs assigned here must be in sync with DT bindings definition
  284. * for Tegra30 clocks.
  285. */
  286. enum tegra30_clk {
  287. cpu, rtc = 4, timer, uarta, gpio = 8, sdmmc2, i2s1 = 11, i2c1, ndflash,
  288. sdmmc1, sdmmc4, pwm = 17, i2s2, epp, gr2d = 21, usbd, isp, gr3d,
  289. disp2 = 26, disp1, host1x, vcp, i2s0, cop_cache, mc, ahbdma, apbdma,
  290. kbc = 36, statmon, pmc, kfuse = 40, sbc1, nor, sbc2 = 44, sbc3 = 46,
  291. i2c5, dsia, mipi = 50, hdmi, csi, tvdac, i2c2, uartc, emc = 57, usb2,
  292. usb3, mpe, vde, bsea, bsev, speedo, uartd, uarte, i2c3, sbc4, sdmmc3,
  293. pcie, owr, afi, csite, pciex, avpucq, la, dtv = 79, ndspeed, i2cslow,
  294. dsib, irama = 84, iramb, iramc, iramd, cram2, audio_2x = 90, csus = 92,
  295. cdev2, cdev1, cpu_g = 96, cpu_lp, gr3d2, mselect, tsensor, i2s3, i2s4,
  296. i2c4, sbc5, sbc6, d_audio, apbif, dam0, dam1, dam2, hda2codec_2x,
  297. atomics, audio0_2x, audio1_2x, audio2_2x, audio3_2x, audio4_2x,
  298. spdif_2x, actmon, extern1, extern2, extern3, sata_oob, sata, hda,
  299. se = 127, hda2hdmi, sata_cold, uartb = 160, vfir, spdif_in, spdif_out,
  300. vi, vi_sensor, fuse, fuse_burn, cve, tvo, clk_32k, clk_m, clk_m_div2,
  301. clk_m_div4, pll_ref, pll_c, pll_c_out1, pll_m, pll_m_out1, pll_p,
  302. pll_p_out1, pll_p_out2, pll_p_out3, pll_p_out4, pll_a, pll_a_out0,
  303. pll_d, pll_d_out0, pll_d2, pll_d2_out0, pll_u, pll_x, pll_x_out0, pll_e,
  304. spdif_in_sync, i2s0_sync, i2s1_sync, i2s2_sync, i2s3_sync, i2s4_sync,
  305. vimclk_sync, audio0, audio1, audio2, audio3, audio4, spdif, clk_out_1,
  306. clk_out_2, clk_out_3, sclk, blink, cclk_g, cclk_lp, twd, cml0, cml1,
  307. hclk, pclk, clk_out_1_mux = 300, clk_max
  308. };
  309. static struct clk *clks[clk_max];
  310. static struct clk_onecell_data clk_data;
  311. /*
  312. * Structure defining the fields for USB UTMI clocks Parameters.
  313. */
  314. struct utmi_clk_param {
  315. /* Oscillator Frequency in KHz */
  316. u32 osc_frequency;
  317. /* UTMIP PLL Enable Delay Count */
  318. u8 enable_delay_count;
  319. /* UTMIP PLL Stable count */
  320. u8 stable_count;
  321. /* UTMIP PLL Active delay count */
  322. u8 active_delay_count;
  323. /* UTMIP PLL Xtal frequency count */
  324. u8 xtal_freq_count;
  325. };
  326. static const struct utmi_clk_param utmi_parameters[] = {
  327. /* OSC_FREQUENCY, ENABLE_DLY, STABLE_CNT, ACTIVE_DLY, XTAL_FREQ_CNT */
  328. {13000000, 0x02, 0x33, 0x05, 0x7F},
  329. {19200000, 0x03, 0x4B, 0x06, 0xBB},
  330. {12000000, 0x02, 0x2F, 0x04, 0x76},
  331. {26000000, 0x04, 0x66, 0x09, 0xFE},
  332. {16800000, 0x03, 0x41, 0x0A, 0xA4},
  333. };
  334. static struct tegra_clk_pll_freq_table pll_c_freq_table[] = {
  335. { 12000000, 1040000000, 520, 6, 0, 8},
  336. { 13000000, 1040000000, 480, 6, 0, 8},
  337. { 16800000, 1040000000, 495, 8, 0, 8}, /* actual: 1039.5 MHz */
  338. { 19200000, 1040000000, 325, 6, 0, 6},
  339. { 26000000, 1040000000, 520, 13, 0, 8},
  340. { 12000000, 832000000, 416, 6, 0, 8},
  341. { 13000000, 832000000, 832, 13, 0, 8},
  342. { 16800000, 832000000, 396, 8, 0, 8}, /* actual: 831.6 MHz */
  343. { 19200000, 832000000, 260, 6, 0, 8},
  344. { 26000000, 832000000, 416, 13, 0, 8},
  345. { 12000000, 624000000, 624, 12, 0, 8},
  346. { 13000000, 624000000, 624, 13, 0, 8},
  347. { 16800000, 600000000, 520, 14, 0, 8},
  348. { 19200000, 624000000, 520, 16, 0, 8},
  349. { 26000000, 624000000, 624, 26, 0, 8},
  350. { 12000000, 600000000, 600, 12, 0, 8},
  351. { 13000000, 600000000, 600, 13, 0, 8},
  352. { 16800000, 600000000, 500, 14, 0, 8},
  353. { 19200000, 600000000, 375, 12, 0, 6},
  354. { 26000000, 600000000, 600, 26, 0, 8},
  355. { 12000000, 520000000, 520, 12, 0, 8},
  356. { 13000000, 520000000, 520, 13, 0, 8},
  357. { 16800000, 520000000, 495, 16, 0, 8}, /* actual: 519.75 MHz */
  358. { 19200000, 520000000, 325, 12, 0, 6},
  359. { 26000000, 520000000, 520, 26, 0, 8},
  360. { 12000000, 416000000, 416, 12, 0, 8},
  361. { 13000000, 416000000, 416, 13, 0, 8},
  362. { 16800000, 416000000, 396, 16, 0, 8}, /* actual: 415.8 MHz */
  363. { 19200000, 416000000, 260, 12, 0, 6},
  364. { 26000000, 416000000, 416, 26, 0, 8},
  365. { 0, 0, 0, 0, 0, 0 },
  366. };
  367. static struct tegra_clk_pll_freq_table pll_m_freq_table[] = {
  368. { 12000000, 666000000, 666, 12, 0, 8},
  369. { 13000000, 666000000, 666, 13, 0, 8},
  370. { 16800000, 666000000, 555, 14, 0, 8},
  371. { 19200000, 666000000, 555, 16, 0, 8},
  372. { 26000000, 666000000, 666, 26, 0, 8},
  373. { 12000000, 600000000, 600, 12, 0, 8},
  374. { 13000000, 600000000, 600, 13, 0, 8},
  375. { 16800000, 600000000, 500, 14, 0, 8},
  376. { 19200000, 600000000, 375, 12, 0, 6},
  377. { 26000000, 600000000, 600, 26, 0, 8},
  378. { 0, 0, 0, 0, 0, 0 },
  379. };
  380. static struct tegra_clk_pll_freq_table pll_p_freq_table[] = {
  381. { 12000000, 216000000, 432, 12, 1, 8},
  382. { 13000000, 216000000, 432, 13, 1, 8},
  383. { 16800000, 216000000, 360, 14, 1, 8},
  384. { 19200000, 216000000, 360, 16, 1, 8},
  385. { 26000000, 216000000, 432, 26, 1, 8},
  386. { 0, 0, 0, 0, 0, 0 },
  387. };
  388. static struct tegra_clk_pll_freq_table pll_a_freq_table[] = {
  389. { 9600000, 564480000, 294, 5, 0, 4},
  390. { 9600000, 552960000, 288, 5, 0, 4},
  391. { 9600000, 24000000, 5, 2, 0, 1},
  392. { 28800000, 56448000, 49, 25, 0, 1},
  393. { 28800000, 73728000, 64, 25, 0, 1},
  394. { 28800000, 24000000, 5, 6, 0, 1},
  395. { 0, 0, 0, 0, 0, 0 },
  396. };
  397. static struct tegra_clk_pll_freq_table pll_d_freq_table[] = {
  398. { 12000000, 216000000, 216, 12, 0, 4},
  399. { 13000000, 216000000, 216, 13, 0, 4},
  400. { 16800000, 216000000, 180, 14, 0, 4},
  401. { 19200000, 216000000, 180, 16, 0, 4},
  402. { 26000000, 216000000, 216, 26, 0, 4},
  403. { 12000000, 594000000, 594, 12, 0, 8},
  404. { 13000000, 594000000, 594, 13, 0, 8},
  405. { 16800000, 594000000, 495, 14, 0, 8},
  406. { 19200000, 594000000, 495, 16, 0, 8},
  407. { 26000000, 594000000, 594, 26, 0, 8},
  408. { 12000000, 1000000000, 1000, 12, 0, 12},
  409. { 13000000, 1000000000, 1000, 13, 0, 12},
  410. { 19200000, 1000000000, 625, 12, 0, 8},
  411. { 26000000, 1000000000, 1000, 26, 0, 12},
  412. { 0, 0, 0, 0, 0, 0 },
  413. };
  414. static struct pdiv_map pllu_p[] = {
  415. { .pdiv = 1, .hw_val = 1 },
  416. { .pdiv = 2, .hw_val = 0 },
  417. { .pdiv = 0, .hw_val = 0 },
  418. };
  419. static struct tegra_clk_pll_freq_table pll_u_freq_table[] = {
  420. { 12000000, 480000000, 960, 12, 0, 12},
  421. { 13000000, 480000000, 960, 13, 0, 12},
  422. { 16800000, 480000000, 400, 7, 0, 5},
  423. { 19200000, 480000000, 200, 4, 0, 3},
  424. { 26000000, 480000000, 960, 26, 0, 12},
  425. { 0, 0, 0, 0, 0, 0 },
  426. };
  427. static struct tegra_clk_pll_freq_table pll_x_freq_table[] = {
  428. /* 1.7 GHz */
  429. { 12000000, 1700000000, 850, 6, 0, 8},
  430. { 13000000, 1700000000, 915, 7, 0, 8}, /* actual: 1699.2 MHz */
  431. { 16800000, 1700000000, 708, 7, 0, 8}, /* actual: 1699.2 MHz */
  432. { 19200000, 1700000000, 885, 10, 0, 8}, /* actual: 1699.2 MHz */
  433. { 26000000, 1700000000, 850, 13, 0, 8},
  434. /* 1.6 GHz */
  435. { 12000000, 1600000000, 800, 6, 0, 8},
  436. { 13000000, 1600000000, 738, 6, 0, 8}, /* actual: 1599.0 MHz */
  437. { 16800000, 1600000000, 857, 9, 0, 8}, /* actual: 1599.7 MHz */
  438. { 19200000, 1600000000, 500, 6, 0, 8},
  439. { 26000000, 1600000000, 800, 13, 0, 8},
  440. /* 1.5 GHz */
  441. { 12000000, 1500000000, 750, 6, 0, 8},
  442. { 13000000, 1500000000, 923, 8, 0, 8}, /* actual: 1499.8 MHz */
  443. { 16800000, 1500000000, 625, 7, 0, 8},
  444. { 19200000, 1500000000, 625, 8, 0, 8},
  445. { 26000000, 1500000000, 750, 13, 0, 8},
  446. /* 1.4 GHz */
  447. { 12000000, 1400000000, 700, 6, 0, 8},
  448. { 13000000, 1400000000, 969, 9, 0, 8}, /* actual: 1399.7 MHz */
  449. { 16800000, 1400000000, 1000, 12, 0, 8},
  450. { 19200000, 1400000000, 875, 12, 0, 8},
  451. { 26000000, 1400000000, 700, 13, 0, 8},
  452. /* 1.3 GHz */
  453. { 12000000, 1300000000, 975, 9, 0, 8},
  454. { 13000000, 1300000000, 1000, 10, 0, 8},
  455. { 16800000, 1300000000, 928, 12, 0, 8}, /* actual: 1299.2 MHz */
  456. { 19200000, 1300000000, 812, 12, 0, 8}, /* actual: 1299.2 MHz */
  457. { 26000000, 1300000000, 650, 13, 0, 8},
  458. /* 1.2 GHz */
  459. { 12000000, 1200000000, 1000, 10, 0, 8},
  460. { 13000000, 1200000000, 923, 10, 0, 8}, /* actual: 1199.9 MHz */
  461. { 16800000, 1200000000, 1000, 14, 0, 8},
  462. { 19200000, 1200000000, 1000, 16, 0, 8},
  463. { 26000000, 1200000000, 600, 13, 0, 8},
  464. /* 1.1 GHz */
  465. { 12000000, 1100000000, 825, 9, 0, 8},
  466. { 13000000, 1100000000, 846, 10, 0, 8}, /* actual: 1099.8 MHz */
  467. { 16800000, 1100000000, 982, 15, 0, 8}, /* actual: 1099.8 MHz */
  468. { 19200000, 1100000000, 859, 15, 0, 8}, /* actual: 1099.5 MHz */
  469. { 26000000, 1100000000, 550, 13, 0, 8},
  470. /* 1 GHz */
  471. { 12000000, 1000000000, 1000, 12, 0, 8},
  472. { 13000000, 1000000000, 1000, 13, 0, 8},
  473. { 16800000, 1000000000, 833, 14, 0, 8}, /* actual: 999.6 MHz */
  474. { 19200000, 1000000000, 625, 12, 0, 8},
  475. { 26000000, 1000000000, 1000, 26, 0, 8},
  476. { 0, 0, 0, 0, 0, 0 },
  477. };
  478. static struct tegra_clk_pll_freq_table pll_e_freq_table[] = {
  479. /* PLLE special case: use cpcon field to store cml divider value */
  480. { 12000000, 100000000, 150, 1, 18, 11},
  481. { 216000000, 100000000, 200, 18, 24, 13},
  482. { 0, 0, 0, 0, 0, 0 },
  483. };
  484. /* PLL parameters */
  485. static struct tegra_clk_pll_params pll_c_params = {
  486. .input_min = 2000000,
  487. .input_max = 31000000,
  488. .cf_min = 1000000,
  489. .cf_max = 6000000,
  490. .vco_min = 20000000,
  491. .vco_max = 1400000000,
  492. .base_reg = PLLC_BASE,
  493. .misc_reg = PLLC_MISC,
  494. .lock_mask = PLL_BASE_LOCK,
  495. .lock_enable_bit_idx = PLL_MISC_LOCK_ENABLE,
  496. .lock_delay = 300,
  497. };
  498. static struct div_nmp pllm_nmp = {
  499. .divn_shift = 8,
  500. .divn_width = 10,
  501. .override_divn_shift = 5,
  502. .divm_shift = 0,
  503. .divm_width = 5,
  504. .override_divm_shift = 0,
  505. .divp_shift = 20,
  506. .divp_width = 3,
  507. .override_divp_shift = 15,
  508. };
  509. static struct tegra_clk_pll_params pll_m_params = {
  510. .input_min = 2000000,
  511. .input_max = 31000000,
  512. .cf_min = 1000000,
  513. .cf_max = 6000000,
  514. .vco_min = 20000000,
  515. .vco_max = 1200000000,
  516. .base_reg = PLLM_BASE,
  517. .misc_reg = PLLM_MISC,
  518. .lock_mask = PLL_BASE_LOCK,
  519. .lock_enable_bit_idx = PLL_MISC_LOCK_ENABLE,
  520. .lock_delay = 300,
  521. .div_nmp = &pllm_nmp,
  522. .pmc_divnm_reg = PMC_PLLM_WB0_OVERRIDE,
  523. .pmc_divp_reg = PMC_PLLM_WB0_OVERRIDE,
  524. };
  525. static struct tegra_clk_pll_params pll_p_params = {
  526. .input_min = 2000000,
  527. .input_max = 31000000,
  528. .cf_min = 1000000,
  529. .cf_max = 6000000,
  530. .vco_min = 20000000,
  531. .vco_max = 1400000000,
  532. .base_reg = PLLP_BASE,
  533. .misc_reg = PLLP_MISC,
  534. .lock_mask = PLL_BASE_LOCK,
  535. .lock_enable_bit_idx = PLL_MISC_LOCK_ENABLE,
  536. .lock_delay = 300,
  537. };
  538. static struct tegra_clk_pll_params pll_a_params = {
  539. .input_min = 2000000,
  540. .input_max = 31000000,
  541. .cf_min = 1000000,
  542. .cf_max = 6000000,
  543. .vco_min = 20000000,
  544. .vco_max = 1400000000,
  545. .base_reg = PLLA_BASE,
  546. .misc_reg = PLLA_MISC,
  547. .lock_mask = PLL_BASE_LOCK,
  548. .lock_enable_bit_idx = PLL_MISC_LOCK_ENABLE,
  549. .lock_delay = 300,
  550. };
  551. static struct tegra_clk_pll_params pll_d_params = {
  552. .input_min = 2000000,
  553. .input_max = 40000000,
  554. .cf_min = 1000000,
  555. .cf_max = 6000000,
  556. .vco_min = 40000000,
  557. .vco_max = 1000000000,
  558. .base_reg = PLLD_BASE,
  559. .misc_reg = PLLD_MISC,
  560. .lock_mask = PLL_BASE_LOCK,
  561. .lock_enable_bit_idx = PLLDU_MISC_LOCK_ENABLE,
  562. .lock_delay = 1000,
  563. };
  564. static struct tegra_clk_pll_params pll_d2_params = {
  565. .input_min = 2000000,
  566. .input_max = 40000000,
  567. .cf_min = 1000000,
  568. .cf_max = 6000000,
  569. .vco_min = 40000000,
  570. .vco_max = 1000000000,
  571. .base_reg = PLLD2_BASE,
  572. .misc_reg = PLLD2_MISC,
  573. .lock_mask = PLL_BASE_LOCK,
  574. .lock_enable_bit_idx = PLLDU_MISC_LOCK_ENABLE,
  575. .lock_delay = 1000,
  576. };
  577. static struct tegra_clk_pll_params pll_u_params = {
  578. .input_min = 2000000,
  579. .input_max = 40000000,
  580. .cf_min = 1000000,
  581. .cf_max = 6000000,
  582. .vco_min = 48000000,
  583. .vco_max = 960000000,
  584. .base_reg = PLLU_BASE,
  585. .misc_reg = PLLU_MISC,
  586. .lock_mask = PLL_BASE_LOCK,
  587. .lock_enable_bit_idx = PLLDU_MISC_LOCK_ENABLE,
  588. .lock_delay = 1000,
  589. .pdiv_tohw = pllu_p,
  590. };
  591. static struct tegra_clk_pll_params pll_x_params = {
  592. .input_min = 2000000,
  593. .input_max = 31000000,
  594. .cf_min = 1000000,
  595. .cf_max = 6000000,
  596. .vco_min = 20000000,
  597. .vco_max = 1700000000,
  598. .base_reg = PLLX_BASE,
  599. .misc_reg = PLLX_MISC,
  600. .lock_mask = PLL_BASE_LOCK,
  601. .lock_enable_bit_idx = PLL_MISC_LOCK_ENABLE,
  602. .lock_delay = 300,
  603. };
  604. static struct tegra_clk_pll_params pll_e_params = {
  605. .input_min = 12000000,
  606. .input_max = 216000000,
  607. .cf_min = 12000000,
  608. .cf_max = 12000000,
  609. .vco_min = 1200000000,
  610. .vco_max = 2400000000U,
  611. .base_reg = PLLE_BASE,
  612. .misc_reg = PLLE_MISC,
  613. .lock_mask = PLLE_MISC_LOCK,
  614. .lock_enable_bit_idx = PLLE_MISC_LOCK_ENABLE,
  615. .lock_delay = 300,
  616. };
  617. /* Peripheral clock registers */
  618. static struct tegra_clk_periph_regs periph_l_regs = {
  619. .enb_reg = CLK_OUT_ENB_L,
  620. .enb_set_reg = CLK_OUT_ENB_SET_L,
  621. .enb_clr_reg = CLK_OUT_ENB_CLR_L,
  622. .rst_reg = RST_DEVICES_L,
  623. .rst_set_reg = RST_DEVICES_SET_L,
  624. .rst_clr_reg = RST_DEVICES_CLR_L,
  625. };
  626. static struct tegra_clk_periph_regs periph_h_regs = {
  627. .enb_reg = CLK_OUT_ENB_H,
  628. .enb_set_reg = CLK_OUT_ENB_SET_H,
  629. .enb_clr_reg = CLK_OUT_ENB_CLR_H,
  630. .rst_reg = RST_DEVICES_H,
  631. .rst_set_reg = RST_DEVICES_SET_H,
  632. .rst_clr_reg = RST_DEVICES_CLR_H,
  633. };
  634. static struct tegra_clk_periph_regs periph_u_regs = {
  635. .enb_reg = CLK_OUT_ENB_U,
  636. .enb_set_reg = CLK_OUT_ENB_SET_U,
  637. .enb_clr_reg = CLK_OUT_ENB_CLR_U,
  638. .rst_reg = RST_DEVICES_U,
  639. .rst_set_reg = RST_DEVICES_SET_U,
  640. .rst_clr_reg = RST_DEVICES_CLR_U,
  641. };
  642. static struct tegra_clk_periph_regs periph_v_regs = {
  643. .enb_reg = CLK_OUT_ENB_V,
  644. .enb_set_reg = CLK_OUT_ENB_SET_V,
  645. .enb_clr_reg = CLK_OUT_ENB_CLR_V,
  646. .rst_reg = RST_DEVICES_V,
  647. .rst_set_reg = RST_DEVICES_SET_V,
  648. .rst_clr_reg = RST_DEVICES_CLR_V,
  649. };
  650. static struct tegra_clk_periph_regs periph_w_regs = {
  651. .enb_reg = CLK_OUT_ENB_W,
  652. .enb_set_reg = CLK_OUT_ENB_SET_W,
  653. .enb_clr_reg = CLK_OUT_ENB_CLR_W,
  654. .rst_reg = RST_DEVICES_W,
  655. .rst_set_reg = RST_DEVICES_SET_W,
  656. .rst_clr_reg = RST_DEVICES_CLR_W,
  657. };
  658. static void tegra30_clk_measure_input_freq(void)
  659. {
  660. u32 osc_ctrl = readl_relaxed(clk_base + OSC_CTRL);
  661. u32 auto_clk_control = osc_ctrl & OSC_CTRL_OSC_FREQ_MASK;
  662. u32 pll_ref_div = osc_ctrl & OSC_CTRL_PLL_REF_DIV_MASK;
  663. switch (auto_clk_control) {
  664. case OSC_CTRL_OSC_FREQ_12MHZ:
  665. BUG_ON(pll_ref_div != OSC_CTRL_PLL_REF_DIV_1);
  666. input_freq = 12000000;
  667. break;
  668. case OSC_CTRL_OSC_FREQ_13MHZ:
  669. BUG_ON(pll_ref_div != OSC_CTRL_PLL_REF_DIV_1);
  670. input_freq = 13000000;
  671. break;
  672. case OSC_CTRL_OSC_FREQ_19_2MHZ:
  673. BUG_ON(pll_ref_div != OSC_CTRL_PLL_REF_DIV_1);
  674. input_freq = 19200000;
  675. break;
  676. case OSC_CTRL_OSC_FREQ_26MHZ:
  677. BUG_ON(pll_ref_div != OSC_CTRL_PLL_REF_DIV_1);
  678. input_freq = 26000000;
  679. break;
  680. case OSC_CTRL_OSC_FREQ_16_8MHZ:
  681. BUG_ON(pll_ref_div != OSC_CTRL_PLL_REF_DIV_1);
  682. input_freq = 16800000;
  683. break;
  684. case OSC_CTRL_OSC_FREQ_38_4MHZ:
  685. BUG_ON(pll_ref_div != OSC_CTRL_PLL_REF_DIV_2);
  686. input_freq = 38400000;
  687. break;
  688. case OSC_CTRL_OSC_FREQ_48MHZ:
  689. BUG_ON(pll_ref_div != OSC_CTRL_PLL_REF_DIV_4);
  690. input_freq = 48000000;
  691. break;
  692. default:
  693. pr_err("Unexpected auto clock control value %d",
  694. auto_clk_control);
  695. BUG();
  696. return;
  697. }
  698. }
  699. static unsigned int tegra30_get_pll_ref_div(void)
  700. {
  701. u32 pll_ref_div = readl_relaxed(clk_base + OSC_CTRL) &
  702. OSC_CTRL_PLL_REF_DIV_MASK;
  703. switch (pll_ref_div) {
  704. case OSC_CTRL_PLL_REF_DIV_1:
  705. return 1;
  706. case OSC_CTRL_PLL_REF_DIV_2:
  707. return 2;
  708. case OSC_CTRL_PLL_REF_DIV_4:
  709. return 4;
  710. default:
  711. pr_err("Invalid pll ref divider %d", pll_ref_div);
  712. BUG();
  713. }
  714. return 0;
  715. }
  716. static void tegra30_utmi_param_configure(void)
  717. {
  718. u32 reg;
  719. int i;
  720. for (i = 0; i < ARRAY_SIZE(utmi_parameters); i++) {
  721. if (input_freq == utmi_parameters[i].osc_frequency)
  722. break;
  723. }
  724. if (i >= ARRAY_SIZE(utmi_parameters)) {
  725. pr_err("%s: Unexpected input rate %lu\n", __func__, input_freq);
  726. return;
  727. }
  728. reg = readl_relaxed(clk_base + UTMIP_PLL_CFG2);
  729. /* Program UTMIP PLL stable and active counts */
  730. reg &= ~UTMIP_PLL_CFG2_STABLE_COUNT(~0);
  731. reg |= UTMIP_PLL_CFG2_STABLE_COUNT(
  732. utmi_parameters[i].stable_count);
  733. reg &= ~UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT(~0);
  734. reg |= UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT(
  735. utmi_parameters[i].active_delay_count);
  736. /* Remove power downs from UTMIP PLL control bits */
  737. reg &= ~UTMIP_PLL_CFG2_FORCE_PD_SAMP_A_POWERDOWN;
  738. reg &= ~UTMIP_PLL_CFG2_FORCE_PD_SAMP_B_POWERDOWN;
  739. reg &= ~UTMIP_PLL_CFG2_FORCE_PD_SAMP_C_POWERDOWN;
  740. writel_relaxed(reg, clk_base + UTMIP_PLL_CFG2);
  741. /* Program UTMIP PLL delay and oscillator frequency counts */
  742. reg = readl_relaxed(clk_base + UTMIP_PLL_CFG1);
  743. reg &= ~UTMIP_PLL_CFG1_ENABLE_DLY_COUNT(~0);
  744. reg |= UTMIP_PLL_CFG1_ENABLE_DLY_COUNT(
  745. utmi_parameters[i].enable_delay_count);
  746. reg &= ~UTMIP_PLL_CFG1_XTAL_FREQ_COUNT(~0);
  747. reg |= UTMIP_PLL_CFG1_XTAL_FREQ_COUNT(
  748. utmi_parameters[i].xtal_freq_count);
  749. /* Remove power downs from UTMIP PLL control bits */
  750. reg &= ~UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERDOWN;
  751. reg &= ~UTMIP_PLL_CFG1_FORCE_PLL_ACTIVE_POWERDOWN;
  752. reg &= ~UTMIP_PLL_CFG1_FORCE_PLLU_POWERDOWN;
  753. writel_relaxed(reg, clk_base + UTMIP_PLL_CFG1);
  754. }
  755. static const char *pll_e_parents[] = {"pll_ref", "pll_p"};
  756. static void __init tegra30_pll_init(void)
  757. {
  758. struct clk *clk;
  759. /* PLLC */
  760. clk = tegra_clk_register_pll("pll_c", "pll_ref", clk_base, pmc_base, 0,
  761. 0, &pll_c_params,
  762. TEGRA_PLL_HAS_CPCON | TEGRA_PLL_USE_LOCK,
  763. pll_c_freq_table, NULL);
  764. clk_register_clkdev(clk, "pll_c", NULL);
  765. clks[pll_c] = clk;
  766. /* PLLC_OUT1 */
  767. clk = tegra_clk_register_divider("pll_c_out1_div", "pll_c",
  768. clk_base + PLLC_OUT, 0, TEGRA_DIVIDER_ROUND_UP,
  769. 8, 8, 1, NULL);
  770. clk = tegra_clk_register_pll_out("pll_c_out1", "pll_c_out1_div",
  771. clk_base + PLLC_OUT, 1, 0, CLK_SET_RATE_PARENT,
  772. 0, NULL);
  773. clk_register_clkdev(clk, "pll_c_out1", NULL);
  774. clks[pll_c_out1] = clk;
  775. /* PLLP */
  776. clk = tegra_clk_register_pll("pll_p", "pll_ref", clk_base, pmc_base, 0,
  777. 408000000, &pll_p_params,
  778. TEGRA_PLL_FIXED | TEGRA_PLL_HAS_CPCON |
  779. TEGRA_PLL_USE_LOCK, pll_p_freq_table, NULL);
  780. clk_register_clkdev(clk, "pll_p", NULL);
  781. clks[pll_p] = clk;
  782. /* PLLP_OUT1 */
  783. clk = tegra_clk_register_divider("pll_p_out1_div", "pll_p",
  784. clk_base + PLLP_OUTA, 0, TEGRA_DIVIDER_FIXED |
  785. TEGRA_DIVIDER_ROUND_UP, 8, 8, 1,
  786. &pll_div_lock);
  787. clk = tegra_clk_register_pll_out("pll_p_out1", "pll_p_out1_div",
  788. clk_base + PLLP_OUTA, 1, 0,
  789. CLK_IGNORE_UNUSED | CLK_SET_RATE_PARENT, 0,
  790. &pll_div_lock);
  791. clk_register_clkdev(clk, "pll_p_out1", NULL);
  792. clks[pll_p_out1] = clk;
  793. /* PLLP_OUT2 */
  794. clk = tegra_clk_register_divider("pll_p_out2_div", "pll_p",
  795. clk_base + PLLP_OUTA, 0, TEGRA_DIVIDER_FIXED |
  796. TEGRA_DIVIDER_ROUND_UP, 24, 8, 1,
  797. &pll_div_lock);
  798. clk = tegra_clk_register_pll_out("pll_p_out2", "pll_p_out2_div",
  799. clk_base + PLLP_OUTA, 17, 16,
  800. CLK_IGNORE_UNUSED | CLK_SET_RATE_PARENT, 0,
  801. &pll_div_lock);
  802. clk_register_clkdev(clk, "pll_p_out2", NULL);
  803. clks[pll_p_out2] = clk;
  804. /* PLLP_OUT3 */
  805. clk = tegra_clk_register_divider("pll_p_out3_div", "pll_p",
  806. clk_base + PLLP_OUTB, 0, TEGRA_DIVIDER_FIXED |
  807. TEGRA_DIVIDER_ROUND_UP, 8, 8, 1,
  808. &pll_div_lock);
  809. clk = tegra_clk_register_pll_out("pll_p_out3", "pll_p_out3_div",
  810. clk_base + PLLP_OUTB, 1, 0,
  811. CLK_IGNORE_UNUSED | CLK_SET_RATE_PARENT, 0,
  812. &pll_div_lock);
  813. clk_register_clkdev(clk, "pll_p_out3", NULL);
  814. clks[pll_p_out3] = clk;
  815. /* PLLP_OUT4 */
  816. clk = tegra_clk_register_divider("pll_p_out4_div", "pll_p",
  817. clk_base + PLLP_OUTB, 0, TEGRA_DIVIDER_FIXED |
  818. TEGRA_DIVIDER_ROUND_UP, 24, 8, 1,
  819. &pll_div_lock);
  820. clk = tegra_clk_register_pll_out("pll_p_out4", "pll_p_out4_div",
  821. clk_base + PLLP_OUTB, 17, 16,
  822. CLK_IGNORE_UNUSED | CLK_SET_RATE_PARENT, 0,
  823. &pll_div_lock);
  824. clk_register_clkdev(clk, "pll_p_out4", NULL);
  825. clks[pll_p_out4] = clk;
  826. /* PLLM */
  827. clk = tegra_clk_register_pll("pll_m", "pll_ref", clk_base, pmc_base,
  828. CLK_IGNORE_UNUSED | CLK_SET_RATE_GATE, 0,
  829. &pll_m_params, TEGRA_PLLM | TEGRA_PLL_HAS_CPCON |
  830. TEGRA_PLL_SET_DCCON | TEGRA_PLL_USE_LOCK,
  831. pll_m_freq_table, NULL);
  832. clk_register_clkdev(clk, "pll_m", NULL);
  833. clks[pll_m] = clk;
  834. /* PLLM_OUT1 */
  835. clk = tegra_clk_register_divider("pll_m_out1_div", "pll_m",
  836. clk_base + PLLM_OUT, 0, TEGRA_DIVIDER_ROUND_UP,
  837. 8, 8, 1, NULL);
  838. clk = tegra_clk_register_pll_out("pll_m_out1", "pll_m_out1_div",
  839. clk_base + PLLM_OUT, 1, 0, CLK_IGNORE_UNUSED |
  840. CLK_SET_RATE_PARENT, 0, NULL);
  841. clk_register_clkdev(clk, "pll_m_out1", NULL);
  842. clks[pll_m_out1] = clk;
  843. /* PLLX */
  844. clk = tegra_clk_register_pll("pll_x", "pll_ref", clk_base, pmc_base, 0,
  845. 0, &pll_x_params, TEGRA_PLL_HAS_CPCON |
  846. TEGRA_PLL_SET_DCCON | TEGRA_PLL_USE_LOCK,
  847. pll_x_freq_table, NULL);
  848. clk_register_clkdev(clk, "pll_x", NULL);
  849. clks[pll_x] = clk;
  850. /* PLLX_OUT0 */
  851. clk = clk_register_fixed_factor(NULL, "pll_x_out0", "pll_x",
  852. CLK_SET_RATE_PARENT, 1, 2);
  853. clk_register_clkdev(clk, "pll_x_out0", NULL);
  854. clks[pll_x_out0] = clk;
  855. /* PLLU */
  856. clk = tegra_clk_register_pll("pll_u", "pll_ref", clk_base, pmc_base, 0,
  857. 0, &pll_u_params, TEGRA_PLLU | TEGRA_PLL_HAS_CPCON |
  858. TEGRA_PLL_SET_LFCON,
  859. pll_u_freq_table,
  860. NULL);
  861. clk_register_clkdev(clk, "pll_u", NULL);
  862. clks[pll_u] = clk;
  863. tegra30_utmi_param_configure();
  864. /* PLLD */
  865. clk = tegra_clk_register_pll("pll_d", "pll_ref", clk_base, pmc_base, 0,
  866. 0, &pll_d_params, TEGRA_PLL_HAS_CPCON |
  867. TEGRA_PLL_SET_LFCON | TEGRA_PLL_USE_LOCK,
  868. pll_d_freq_table, &pll_d_lock);
  869. clk_register_clkdev(clk, "pll_d", NULL);
  870. clks[pll_d] = clk;
  871. /* PLLD_OUT0 */
  872. clk = clk_register_fixed_factor(NULL, "pll_d_out0", "pll_d",
  873. CLK_SET_RATE_PARENT, 1, 2);
  874. clk_register_clkdev(clk, "pll_d_out0", NULL);
  875. clks[pll_d_out0] = clk;
  876. /* PLLD2 */
  877. clk = tegra_clk_register_pll("pll_d2", "pll_ref", clk_base, pmc_base, 0,
  878. 0, &pll_d2_params, TEGRA_PLL_HAS_CPCON |
  879. TEGRA_PLL_SET_LFCON | TEGRA_PLL_USE_LOCK,
  880. pll_d_freq_table, NULL);
  881. clk_register_clkdev(clk, "pll_d2", NULL);
  882. clks[pll_d2] = clk;
  883. /* PLLD2_OUT0 */
  884. clk = clk_register_fixed_factor(NULL, "pll_d2_out0", "pll_d2",
  885. CLK_SET_RATE_PARENT, 1, 2);
  886. clk_register_clkdev(clk, "pll_d2_out0", NULL);
  887. clks[pll_d2_out0] = clk;
  888. /* PLLA */
  889. clk = tegra_clk_register_pll("pll_a", "pll_p_out1", clk_base, pmc_base,
  890. 0, 0, &pll_a_params, TEGRA_PLL_HAS_CPCON |
  891. TEGRA_PLL_USE_LOCK, pll_a_freq_table, NULL);
  892. clk_register_clkdev(clk, "pll_a", NULL);
  893. clks[pll_a] = clk;
  894. /* PLLA_OUT0 */
  895. clk = tegra_clk_register_divider("pll_a_out0_div", "pll_a",
  896. clk_base + PLLA_OUT, 0, TEGRA_DIVIDER_ROUND_UP,
  897. 8, 8, 1, NULL);
  898. clk = tegra_clk_register_pll_out("pll_a_out0", "pll_a_out0_div",
  899. clk_base + PLLA_OUT, 1, 0, CLK_IGNORE_UNUSED |
  900. CLK_SET_RATE_PARENT, 0, NULL);
  901. clk_register_clkdev(clk, "pll_a_out0", NULL);
  902. clks[pll_a_out0] = clk;
  903. /* PLLE */
  904. clk = clk_register_mux(NULL, "pll_e_mux", pll_e_parents,
  905. ARRAY_SIZE(pll_e_parents),
  906. CLK_SET_RATE_NO_REPARENT,
  907. clk_base + PLLE_AUX, 2, 1, 0, NULL);
  908. clk = tegra_clk_register_plle("pll_e", "pll_e_mux", clk_base, pmc_base,
  909. CLK_GET_RATE_NOCACHE, 100000000, &pll_e_params,
  910. TEGRA_PLLE_CONFIGURE, pll_e_freq_table, NULL);
  911. clk_register_clkdev(clk, "pll_e", NULL);
  912. clks[pll_e] = clk;
  913. }
  914. static const char *mux_audio_sync_clk[] = { "spdif_in_sync", "i2s0_sync",
  915. "i2s1_sync", "i2s2_sync", "i2s3_sync", "i2s4_sync", "vimclk_sync",};
  916. static const char *clk_out1_parents[] = { "clk_m", "clk_m_div2",
  917. "clk_m_div4", "extern1", };
  918. static const char *clk_out2_parents[] = { "clk_m", "clk_m_div2",
  919. "clk_m_div4", "extern2", };
  920. static const char *clk_out3_parents[] = { "clk_m", "clk_m_div2",
  921. "clk_m_div4", "extern3", };
  922. static void __init tegra30_audio_clk_init(void)
  923. {
  924. struct clk *clk;
  925. /* spdif_in_sync */
  926. clk = tegra_clk_register_sync_source("spdif_in_sync", 24000000,
  927. 24000000);
  928. clk_register_clkdev(clk, "spdif_in_sync", NULL);
  929. clks[spdif_in_sync] = clk;
  930. /* i2s0_sync */
  931. clk = tegra_clk_register_sync_source("i2s0_sync", 24000000, 24000000);
  932. clk_register_clkdev(clk, "i2s0_sync", NULL);
  933. clks[i2s0_sync] = clk;
  934. /* i2s1_sync */
  935. clk = tegra_clk_register_sync_source("i2s1_sync", 24000000, 24000000);
  936. clk_register_clkdev(clk, "i2s1_sync", NULL);
  937. clks[i2s1_sync] = clk;
  938. /* i2s2_sync */
  939. clk = tegra_clk_register_sync_source("i2s2_sync", 24000000, 24000000);
  940. clk_register_clkdev(clk, "i2s2_sync", NULL);
  941. clks[i2s2_sync] = clk;
  942. /* i2s3_sync */
  943. clk = tegra_clk_register_sync_source("i2s3_sync", 24000000, 24000000);
  944. clk_register_clkdev(clk, "i2s3_sync", NULL);
  945. clks[i2s3_sync] = clk;
  946. /* i2s4_sync */
  947. clk = tegra_clk_register_sync_source("i2s4_sync", 24000000, 24000000);
  948. clk_register_clkdev(clk, "i2s4_sync", NULL);
  949. clks[i2s4_sync] = clk;
  950. /* vimclk_sync */
  951. clk = tegra_clk_register_sync_source("vimclk_sync", 24000000, 24000000);
  952. clk_register_clkdev(clk, "vimclk_sync", NULL);
  953. clks[vimclk_sync] = clk;
  954. /* audio0 */
  955. clk = clk_register_mux(NULL, "audio0_mux", mux_audio_sync_clk,
  956. ARRAY_SIZE(mux_audio_sync_clk),
  957. CLK_SET_RATE_NO_REPARENT,
  958. clk_base + AUDIO_SYNC_CLK_I2S0, 0, 3, 0, NULL);
  959. clk = clk_register_gate(NULL, "audio0", "audio0_mux", 0,
  960. clk_base + AUDIO_SYNC_CLK_I2S0, 4,
  961. CLK_GATE_SET_TO_DISABLE, NULL);
  962. clk_register_clkdev(clk, "audio0", NULL);
  963. clks[audio0] = clk;
  964. /* audio1 */
  965. clk = clk_register_mux(NULL, "audio1_mux", mux_audio_sync_clk,
  966. ARRAY_SIZE(mux_audio_sync_clk),
  967. CLK_SET_RATE_NO_REPARENT,
  968. clk_base + AUDIO_SYNC_CLK_I2S1, 0, 3, 0, NULL);
  969. clk = clk_register_gate(NULL, "audio1", "audio1_mux", 0,
  970. clk_base + AUDIO_SYNC_CLK_I2S1, 4,
  971. CLK_GATE_SET_TO_DISABLE, NULL);
  972. clk_register_clkdev(clk, "audio1", NULL);
  973. clks[audio1] = clk;
  974. /* audio2 */
  975. clk = clk_register_mux(NULL, "audio2_mux", mux_audio_sync_clk,
  976. ARRAY_SIZE(mux_audio_sync_clk),
  977. CLK_SET_RATE_NO_REPARENT,
  978. clk_base + AUDIO_SYNC_CLK_I2S2, 0, 3, 0, NULL);
  979. clk = clk_register_gate(NULL, "audio2", "audio2_mux", 0,
  980. clk_base + AUDIO_SYNC_CLK_I2S2, 4,
  981. CLK_GATE_SET_TO_DISABLE, NULL);
  982. clk_register_clkdev(clk, "audio2", NULL);
  983. clks[audio2] = clk;
  984. /* audio3 */
  985. clk = clk_register_mux(NULL, "audio3_mux", mux_audio_sync_clk,
  986. ARRAY_SIZE(mux_audio_sync_clk),
  987. CLK_SET_RATE_NO_REPARENT,
  988. clk_base + AUDIO_SYNC_CLK_I2S3, 0, 3, 0, NULL);
  989. clk = clk_register_gate(NULL, "audio3", "audio3_mux", 0,
  990. clk_base + AUDIO_SYNC_CLK_I2S3, 4,
  991. CLK_GATE_SET_TO_DISABLE, NULL);
  992. clk_register_clkdev(clk, "audio3", NULL);
  993. clks[audio3] = clk;
  994. /* audio4 */
  995. clk = clk_register_mux(NULL, "audio4_mux", mux_audio_sync_clk,
  996. ARRAY_SIZE(mux_audio_sync_clk),
  997. CLK_SET_RATE_NO_REPARENT,
  998. clk_base + AUDIO_SYNC_CLK_I2S4, 0, 3, 0, NULL);
  999. clk = clk_register_gate(NULL, "audio4", "audio4_mux", 0,
  1000. clk_base + AUDIO_SYNC_CLK_I2S4, 4,
  1001. CLK_GATE_SET_TO_DISABLE, NULL);
  1002. clk_register_clkdev(clk, "audio4", NULL);
  1003. clks[audio4] = clk;
  1004. /* spdif */
  1005. clk = clk_register_mux(NULL, "spdif_mux", mux_audio_sync_clk,
  1006. ARRAY_SIZE(mux_audio_sync_clk),
  1007. CLK_SET_RATE_NO_REPARENT,
  1008. clk_base + AUDIO_SYNC_CLK_SPDIF, 0, 3, 0, NULL);
  1009. clk = clk_register_gate(NULL, "spdif", "spdif_mux", 0,
  1010. clk_base + AUDIO_SYNC_CLK_SPDIF, 4,
  1011. CLK_GATE_SET_TO_DISABLE, NULL);
  1012. clk_register_clkdev(clk, "spdif", NULL);
  1013. clks[spdif] = clk;
  1014. /* audio0_2x */
  1015. clk = clk_register_fixed_factor(NULL, "audio0_doubler", "audio0",
  1016. CLK_SET_RATE_PARENT, 2, 1);
  1017. clk = tegra_clk_register_divider("audio0_div", "audio0_doubler",
  1018. clk_base + AUDIO_SYNC_DOUBLER, 0, 0, 24, 1, 0,
  1019. &clk_doubler_lock);
  1020. clk = tegra_clk_register_periph_gate("audio0_2x", "audio0_div",
  1021. TEGRA_PERIPH_NO_RESET, clk_base,
  1022. CLK_SET_RATE_PARENT, 113, &periph_v_regs,
  1023. periph_clk_enb_refcnt);
  1024. clk_register_clkdev(clk, "audio0_2x", NULL);
  1025. clks[audio0_2x] = clk;
  1026. /* audio1_2x */
  1027. clk = clk_register_fixed_factor(NULL, "audio1_doubler", "audio1",
  1028. CLK_SET_RATE_PARENT, 2, 1);
  1029. clk = tegra_clk_register_divider("audio1_div", "audio1_doubler",
  1030. clk_base + AUDIO_SYNC_DOUBLER, 0, 0, 25, 1, 0,
  1031. &clk_doubler_lock);
  1032. clk = tegra_clk_register_periph_gate("audio1_2x", "audio1_div",
  1033. TEGRA_PERIPH_NO_RESET, clk_base,
  1034. CLK_SET_RATE_PARENT, 114, &periph_v_regs,
  1035. periph_clk_enb_refcnt);
  1036. clk_register_clkdev(clk, "audio1_2x", NULL);
  1037. clks[audio1_2x] = clk;
  1038. /* audio2_2x */
  1039. clk = clk_register_fixed_factor(NULL, "audio2_doubler", "audio2",
  1040. CLK_SET_RATE_PARENT, 2, 1);
  1041. clk = tegra_clk_register_divider("audio2_div", "audio2_doubler",
  1042. clk_base + AUDIO_SYNC_DOUBLER, 0, 0, 26, 1, 0,
  1043. &clk_doubler_lock);
  1044. clk = tegra_clk_register_periph_gate("audio2_2x", "audio2_div",
  1045. TEGRA_PERIPH_NO_RESET, clk_base,
  1046. CLK_SET_RATE_PARENT, 115, &periph_v_regs,
  1047. periph_clk_enb_refcnt);
  1048. clk_register_clkdev(clk, "audio2_2x", NULL);
  1049. clks[audio2_2x] = clk;
  1050. /* audio3_2x */
  1051. clk = clk_register_fixed_factor(NULL, "audio3_doubler", "audio3",
  1052. CLK_SET_RATE_PARENT, 2, 1);
  1053. clk = tegra_clk_register_divider("audio3_div", "audio3_doubler",
  1054. clk_base + AUDIO_SYNC_DOUBLER, 0, 0, 27, 1, 0,
  1055. &clk_doubler_lock);
  1056. clk = tegra_clk_register_periph_gate("audio3_2x", "audio3_div",
  1057. TEGRA_PERIPH_NO_RESET, clk_base,
  1058. CLK_SET_RATE_PARENT, 116, &periph_v_regs,
  1059. periph_clk_enb_refcnt);
  1060. clk_register_clkdev(clk, "audio3_2x", NULL);
  1061. clks[audio3_2x] = clk;
  1062. /* audio4_2x */
  1063. clk = clk_register_fixed_factor(NULL, "audio4_doubler", "audio4",
  1064. CLK_SET_RATE_PARENT, 2, 1);
  1065. clk = tegra_clk_register_divider("audio4_div", "audio4_doubler",
  1066. clk_base + AUDIO_SYNC_DOUBLER, 0, 0, 28, 1, 0,
  1067. &clk_doubler_lock);
  1068. clk = tegra_clk_register_periph_gate("audio4_2x", "audio4_div",
  1069. TEGRA_PERIPH_NO_RESET, clk_base,
  1070. CLK_SET_RATE_PARENT, 117, &periph_v_regs,
  1071. periph_clk_enb_refcnt);
  1072. clk_register_clkdev(clk, "audio4_2x", NULL);
  1073. clks[audio4_2x] = clk;
  1074. /* spdif_2x */
  1075. clk = clk_register_fixed_factor(NULL, "spdif_doubler", "spdif",
  1076. CLK_SET_RATE_PARENT, 2, 1);
  1077. clk = tegra_clk_register_divider("spdif_div", "spdif_doubler",
  1078. clk_base + AUDIO_SYNC_DOUBLER, 0, 0, 29, 1, 0,
  1079. &clk_doubler_lock);
  1080. clk = tegra_clk_register_periph_gate("spdif_2x", "spdif_div",
  1081. TEGRA_PERIPH_NO_RESET, clk_base,
  1082. CLK_SET_RATE_PARENT, 118, &periph_v_regs,
  1083. periph_clk_enb_refcnt);
  1084. clk_register_clkdev(clk, "spdif_2x", NULL);
  1085. clks[spdif_2x] = clk;
  1086. }
  1087. static void __init tegra30_pmc_clk_init(void)
  1088. {
  1089. struct clk *clk;
  1090. /* clk_out_1 */
  1091. clk = clk_register_mux(NULL, "clk_out_1_mux", clk_out1_parents,
  1092. ARRAY_SIZE(clk_out1_parents),
  1093. CLK_SET_RATE_NO_REPARENT,
  1094. pmc_base + PMC_CLK_OUT_CNTRL, 6, 3, 0,
  1095. &clk_out_lock);
  1096. clks[clk_out_1_mux] = clk;
  1097. clk = clk_register_gate(NULL, "clk_out_1", "clk_out_1_mux", 0,
  1098. pmc_base + PMC_CLK_OUT_CNTRL, 2, 0,
  1099. &clk_out_lock);
  1100. clk_register_clkdev(clk, "extern1", "clk_out_1");
  1101. clks[clk_out_1] = clk;
  1102. /* clk_out_2 */
  1103. clk = clk_register_mux(NULL, "clk_out_2_mux", clk_out2_parents,
  1104. ARRAY_SIZE(clk_out2_parents),
  1105. CLK_SET_RATE_NO_REPARENT,
  1106. pmc_base + PMC_CLK_OUT_CNTRL, 14, 3, 0,
  1107. &clk_out_lock);
  1108. clk = clk_register_gate(NULL, "clk_out_2", "clk_out_2_mux", 0,
  1109. pmc_base + PMC_CLK_OUT_CNTRL, 10, 0,
  1110. &clk_out_lock);
  1111. clk_register_clkdev(clk, "extern2", "clk_out_2");
  1112. clks[clk_out_2] = clk;
  1113. /* clk_out_3 */
  1114. clk = clk_register_mux(NULL, "clk_out_3_mux", clk_out3_parents,
  1115. ARRAY_SIZE(clk_out3_parents),
  1116. CLK_SET_RATE_NO_REPARENT,
  1117. pmc_base + PMC_CLK_OUT_CNTRL, 22, 3, 0,
  1118. &clk_out_lock);
  1119. clk = clk_register_gate(NULL, "clk_out_3", "clk_out_3_mux", 0,
  1120. pmc_base + PMC_CLK_OUT_CNTRL, 18, 0,
  1121. &clk_out_lock);
  1122. clk_register_clkdev(clk, "extern3", "clk_out_3");
  1123. clks[clk_out_3] = clk;
  1124. /* blink */
  1125. writel_relaxed(0, pmc_base + PMC_BLINK_TIMER);
  1126. clk = clk_register_gate(NULL, "blink_override", "clk_32k", 0,
  1127. pmc_base + PMC_DPD_PADS_ORIDE,
  1128. PMC_DPD_PADS_ORIDE_BLINK_ENB, 0, NULL);
  1129. clk = clk_register_gate(NULL, "blink", "blink_override", 0,
  1130. pmc_base + PMC_CTRL,
  1131. PMC_CTRL_BLINK_ENB, 0, NULL);
  1132. clk_register_clkdev(clk, "blink", NULL);
  1133. clks[blink] = clk;
  1134. }
  1135. static const char *cclk_g_parents[] = { "clk_m", "pll_c", "clk_32k", "pll_m",
  1136. "pll_p_cclkg", "pll_p_out4_cclkg",
  1137. "pll_p_out3_cclkg", "unused", "pll_x" };
  1138. static const char *cclk_lp_parents[] = { "clk_m", "pll_c", "clk_32k", "pll_m",
  1139. "pll_p_cclklp", "pll_p_out4_cclklp",
  1140. "pll_p_out3_cclklp", "unused", "pll_x",
  1141. "pll_x_out0" };
  1142. static const char *sclk_parents[] = { "clk_m", "pll_c_out1", "pll_p_out4",
  1143. "pll_p_out3", "pll_p_out2", "unused",
  1144. "clk_32k", "pll_m_out1" };
  1145. static void __init tegra30_super_clk_init(void)
  1146. {
  1147. struct clk *clk;
  1148. /*
  1149. * Clock input to cclk_g divided from pll_p using
  1150. * U71 divider of cclk_g.
  1151. */
  1152. clk = tegra_clk_register_divider("pll_p_cclkg", "pll_p",
  1153. clk_base + SUPER_CCLKG_DIVIDER, 0,
  1154. TEGRA_DIVIDER_INT, 16, 8, 1, NULL);
  1155. clk_register_clkdev(clk, "pll_p_cclkg", NULL);
  1156. /*
  1157. * Clock input to cclk_g divided from pll_p_out3 using
  1158. * U71 divider of cclk_g.
  1159. */
  1160. clk = tegra_clk_register_divider("pll_p_out3_cclkg", "pll_p_out3",
  1161. clk_base + SUPER_CCLKG_DIVIDER, 0,
  1162. TEGRA_DIVIDER_INT, 16, 8, 1, NULL);
  1163. clk_register_clkdev(clk, "pll_p_out3_cclkg", NULL);
  1164. /*
  1165. * Clock input to cclk_g divided from pll_p_out4 using
  1166. * U71 divider of cclk_g.
  1167. */
  1168. clk = tegra_clk_register_divider("pll_p_out4_cclkg", "pll_p_out4",
  1169. clk_base + SUPER_CCLKG_DIVIDER, 0,
  1170. TEGRA_DIVIDER_INT, 16, 8, 1, NULL);
  1171. clk_register_clkdev(clk, "pll_p_out4_cclkg", NULL);
  1172. /* CCLKG */
  1173. clk = tegra_clk_register_super_mux("cclk_g", cclk_g_parents,
  1174. ARRAY_SIZE(cclk_g_parents),
  1175. CLK_SET_RATE_PARENT,
  1176. clk_base + CCLKG_BURST_POLICY,
  1177. 0, 4, 0, 0, NULL);
  1178. clk_register_clkdev(clk, "cclk_g", NULL);
  1179. clks[cclk_g] = clk;
  1180. /*
  1181. * Clock input to cclk_lp divided from pll_p using
  1182. * U71 divider of cclk_lp.
  1183. */
  1184. clk = tegra_clk_register_divider("pll_p_cclklp", "pll_p",
  1185. clk_base + SUPER_CCLKLP_DIVIDER, 0,
  1186. TEGRA_DIVIDER_INT, 16, 8, 1, NULL);
  1187. clk_register_clkdev(clk, "pll_p_cclklp", NULL);
  1188. /*
  1189. * Clock input to cclk_lp divided from pll_p_out3 using
  1190. * U71 divider of cclk_lp.
  1191. */
  1192. clk = tegra_clk_register_divider("pll_p_out3_cclklp", "pll_p_out3",
  1193. clk_base + SUPER_CCLKG_DIVIDER, 0,
  1194. TEGRA_DIVIDER_INT, 16, 8, 1, NULL);
  1195. clk_register_clkdev(clk, "pll_p_out3_cclklp", NULL);
  1196. /*
  1197. * Clock input to cclk_lp divided from pll_p_out4 using
  1198. * U71 divider of cclk_lp.
  1199. */
  1200. clk = tegra_clk_register_divider("pll_p_out4_cclklp", "pll_p_out4",
  1201. clk_base + SUPER_CCLKLP_DIVIDER, 0,
  1202. TEGRA_DIVIDER_INT, 16, 8, 1, NULL);
  1203. clk_register_clkdev(clk, "pll_p_out4_cclklp", NULL);
  1204. /* CCLKLP */
  1205. clk = tegra_clk_register_super_mux("cclk_lp", cclk_lp_parents,
  1206. ARRAY_SIZE(cclk_lp_parents),
  1207. CLK_SET_RATE_PARENT,
  1208. clk_base + CCLKLP_BURST_POLICY,
  1209. TEGRA_DIVIDER_2, 4, 8, 9,
  1210. NULL);
  1211. clk_register_clkdev(clk, "cclk_lp", NULL);
  1212. clks[cclk_lp] = clk;
  1213. /* SCLK */
  1214. clk = tegra_clk_register_super_mux("sclk", sclk_parents,
  1215. ARRAY_SIZE(sclk_parents),
  1216. CLK_SET_RATE_PARENT,
  1217. clk_base + SCLK_BURST_POLICY,
  1218. 0, 4, 0, 0, NULL);
  1219. clk_register_clkdev(clk, "sclk", NULL);
  1220. clks[sclk] = clk;
  1221. /* HCLK */
  1222. clk = clk_register_divider(NULL, "hclk_div", "sclk", 0,
  1223. clk_base + SYSTEM_CLK_RATE, 4, 2, 0,
  1224. &sysrate_lock);
  1225. clk = clk_register_gate(NULL, "hclk", "hclk_div", CLK_SET_RATE_PARENT,
  1226. clk_base + SYSTEM_CLK_RATE, 7,
  1227. CLK_GATE_SET_TO_DISABLE, &sysrate_lock);
  1228. clk_register_clkdev(clk, "hclk", NULL);
  1229. clks[hclk] = clk;
  1230. /* PCLK */
  1231. clk = clk_register_divider(NULL, "pclk_div", "hclk", 0,
  1232. clk_base + SYSTEM_CLK_RATE, 0, 2, 0,
  1233. &sysrate_lock);
  1234. clk = clk_register_gate(NULL, "pclk", "pclk_div", CLK_SET_RATE_PARENT,
  1235. clk_base + SYSTEM_CLK_RATE, 3,
  1236. CLK_GATE_SET_TO_DISABLE, &sysrate_lock);
  1237. clk_register_clkdev(clk, "pclk", NULL);
  1238. clks[pclk] = clk;
  1239. /* twd */
  1240. clk = clk_register_fixed_factor(NULL, "twd", "cclk_g",
  1241. CLK_SET_RATE_PARENT, 1, 2);
  1242. clk_register_clkdev(clk, "twd", NULL);
  1243. clks[twd] = clk;
  1244. }
  1245. static const char *mux_pllacp_clkm[] = { "pll_a_out0", "unused", "pll_p",
  1246. "clk_m" };
  1247. static const char *mux_pllpcm_clkm[] = { "pll_p", "pll_c", "pll_m", "clk_m" };
  1248. static const char *mux_pllmcp_clkm[] = { "pll_m", "pll_c", "pll_p", "clk_m" };
  1249. static const char *i2s0_parents[] = { "pll_a_out0", "audio0_2x", "pll_p",
  1250. "clk_m" };
  1251. static const char *i2s1_parents[] = { "pll_a_out0", "audio1_2x", "pll_p",
  1252. "clk_m" };
  1253. static const char *i2s2_parents[] = { "pll_a_out0", "audio2_2x", "pll_p",
  1254. "clk_m" };
  1255. static const char *i2s3_parents[] = { "pll_a_out0", "audio3_2x", "pll_p",
  1256. "clk_m" };
  1257. static const char *i2s4_parents[] = { "pll_a_out0", "audio4_2x", "pll_p",
  1258. "clk_m" };
  1259. static const char *spdif_out_parents[] = { "pll_a_out0", "spdif_2x", "pll_p",
  1260. "clk_m" };
  1261. static const char *spdif_in_parents[] = { "pll_p", "pll_c", "pll_m" };
  1262. static const char *mux_pllpc_clk32k_clkm[] = { "pll_p", "pll_c", "clk_32k",
  1263. "clk_m" };
  1264. static const char *mux_pllpc_clkm_clk32k[] = { "pll_p", "pll_c", "clk_m",
  1265. "clk_32k" };
  1266. static const char *mux_pllmcpa[] = { "pll_m", "pll_c", "pll_p", "pll_a_out0" };
  1267. static const char *mux_pllpdc_clkm[] = { "pll_p", "pll_d_out0", "pll_c",
  1268. "clk_m" };
  1269. static const char *mux_pllp_clkm[] = { "pll_p", "unused", "unused", "clk_m" };
  1270. static const char *mux_pllpmdacd2_clkm[] = { "pll_p", "pll_m", "pll_d_out0",
  1271. "pll_a_out0", "pll_c",
  1272. "pll_d2_out0", "clk_m" };
  1273. static const char *mux_plla_clk32k_pllp_clkm_plle[] = { "pll_a_out0",
  1274. "clk_32k", "pll_p",
  1275. "clk_m", "pll_e" };
  1276. static const char *mux_plld_out0_plld2_out0[] = { "pll_d_out0",
  1277. "pll_d2_out0" };
  1278. static struct tegra_periph_init_data tegra_periph_clk_list[] = {
  1279. TEGRA_INIT_DATA_MUX("i2s0", NULL, "tegra30-i2s.0", i2s0_parents, CLK_SOURCE_I2S0, 30, &periph_l_regs, TEGRA_PERIPH_ON_APB, i2s0),
  1280. TEGRA_INIT_DATA_MUX("i2s1", NULL, "tegra30-i2s.1", i2s1_parents, CLK_SOURCE_I2S1, 11, &periph_l_regs, TEGRA_PERIPH_ON_APB, i2s1),
  1281. TEGRA_INIT_DATA_MUX("i2s2", NULL, "tegra30-i2s.2", i2s2_parents, CLK_SOURCE_I2S2, 18, &periph_l_regs, TEGRA_PERIPH_ON_APB, i2s2),
  1282. TEGRA_INIT_DATA_MUX("i2s3", NULL, "tegra30-i2s.3", i2s3_parents, CLK_SOURCE_I2S3, 101, &periph_v_regs, TEGRA_PERIPH_ON_APB, i2s3),
  1283. TEGRA_INIT_DATA_MUX("i2s4", NULL, "tegra30-i2s.4", i2s4_parents, CLK_SOURCE_I2S4, 102, &periph_v_regs, TEGRA_PERIPH_ON_APB, i2s4),
  1284. TEGRA_INIT_DATA_MUX("spdif_out", "spdif_out", "tegra30-spdif", spdif_out_parents, CLK_SOURCE_SPDIF_OUT, 10, &periph_l_regs, TEGRA_PERIPH_ON_APB, spdif_out),
  1285. TEGRA_INIT_DATA_MUX("spdif_in", "spdif_in", "tegra30-spdif", spdif_in_parents, CLK_SOURCE_SPDIF_IN, 10, &periph_l_regs, TEGRA_PERIPH_ON_APB, spdif_in),
  1286. TEGRA_INIT_DATA_MUX("d_audio", "d_audio", "tegra30-ahub", mux_pllacp_clkm, CLK_SOURCE_D_AUDIO, 106, &periph_v_regs, 0, d_audio),
  1287. TEGRA_INIT_DATA_MUX("dam0", NULL, "tegra30-dam.0", mux_pllacp_clkm, CLK_SOURCE_DAM0, 108, &periph_v_regs, 0, dam0),
  1288. TEGRA_INIT_DATA_MUX("dam1", NULL, "tegra30-dam.1", mux_pllacp_clkm, CLK_SOURCE_DAM1, 109, &periph_v_regs, 0, dam1),
  1289. TEGRA_INIT_DATA_MUX("dam2", NULL, "tegra30-dam.2", mux_pllacp_clkm, CLK_SOURCE_DAM2, 110, &periph_v_regs, 0, dam2),
  1290. TEGRA_INIT_DATA_MUX("hda", "hda", "tegra30-hda", mux_pllpcm_clkm, CLK_SOURCE_HDA, 125, &periph_v_regs, 0, hda),
  1291. TEGRA_INIT_DATA_MUX("hda2codec_2x", "hda2codec", "tegra30-hda", mux_pllpcm_clkm, CLK_SOURCE_HDA2CODEC_2X, 111, &periph_v_regs, 0, hda2codec_2x),
  1292. TEGRA_INIT_DATA_MUX("sbc1", NULL, "spi_tegra.0", mux_pllpcm_clkm, CLK_SOURCE_SBC1, 41, &periph_h_regs, TEGRA_PERIPH_ON_APB, sbc1),
  1293. TEGRA_INIT_DATA_MUX("sbc2", NULL, "spi_tegra.1", mux_pllpcm_clkm, CLK_SOURCE_SBC2, 44, &periph_h_regs, TEGRA_PERIPH_ON_APB, sbc2),
  1294. TEGRA_INIT_DATA_MUX("sbc3", NULL, "spi_tegra.2", mux_pllpcm_clkm, CLK_SOURCE_SBC3, 46, &periph_h_regs, TEGRA_PERIPH_ON_APB, sbc3),
  1295. TEGRA_INIT_DATA_MUX("sbc4", NULL, "spi_tegra.3", mux_pllpcm_clkm, CLK_SOURCE_SBC4, 68, &periph_u_regs, TEGRA_PERIPH_ON_APB, sbc4),
  1296. TEGRA_INIT_DATA_MUX("sbc5", NULL, "spi_tegra.4", mux_pllpcm_clkm, CLK_SOURCE_SBC5, 104, &periph_v_regs, TEGRA_PERIPH_ON_APB, sbc5),
  1297. TEGRA_INIT_DATA_MUX("sbc6", NULL, "spi_tegra.5", mux_pllpcm_clkm, CLK_SOURCE_SBC6, 105, &periph_v_regs, TEGRA_PERIPH_ON_APB, sbc6),
  1298. TEGRA_INIT_DATA_MUX("sata_oob", NULL, "tegra_sata_oob", mux_pllpcm_clkm, CLK_SOURCE_SATA_OOB, 123, &periph_v_regs, TEGRA_PERIPH_ON_APB, sata_oob),
  1299. TEGRA_INIT_DATA_MUX("sata", NULL, "tegra_sata", mux_pllpcm_clkm, CLK_SOURCE_SATA, 124, &periph_v_regs, TEGRA_PERIPH_ON_APB, sata),
  1300. TEGRA_INIT_DATA_MUX("ndflash", NULL, "tegra_nand", mux_pllpcm_clkm, CLK_SOURCE_NDFLASH, 13, &periph_l_regs, TEGRA_PERIPH_ON_APB, ndflash),
  1301. TEGRA_INIT_DATA_MUX("ndspeed", NULL, "tegra_nand_speed", mux_pllpcm_clkm, CLK_SOURCE_NDSPEED, 80, &periph_u_regs, TEGRA_PERIPH_ON_APB, ndspeed),
  1302. TEGRA_INIT_DATA_MUX("vfir", NULL, "vfir", mux_pllpcm_clkm, CLK_SOURCE_VFIR, 7, &periph_l_regs, TEGRA_PERIPH_ON_APB, vfir),
  1303. TEGRA_INIT_DATA_MUX("csite", NULL, "csite", mux_pllpcm_clkm, CLK_SOURCE_CSITE, 73, &periph_u_regs, TEGRA_PERIPH_ON_APB, csite),
  1304. TEGRA_INIT_DATA_MUX("la", NULL, "la", mux_pllpcm_clkm, CLK_SOURCE_LA, 76, &periph_u_regs, TEGRA_PERIPH_ON_APB, la),
  1305. TEGRA_INIT_DATA_MUX("owr", NULL, "tegra_w1", mux_pllpcm_clkm, CLK_SOURCE_OWR, 71, &periph_u_regs, TEGRA_PERIPH_ON_APB, owr),
  1306. TEGRA_INIT_DATA_MUX("mipi", NULL, "mipi", mux_pllpcm_clkm, CLK_SOURCE_MIPI, 50, &periph_h_regs, TEGRA_PERIPH_ON_APB, mipi),
  1307. TEGRA_INIT_DATA_MUX("tsensor", NULL, "tegra-tsensor", mux_pllpc_clkm_clk32k, CLK_SOURCE_TSENSOR, 100, &periph_v_regs, TEGRA_PERIPH_ON_APB, tsensor),
  1308. TEGRA_INIT_DATA_MUX("i2cslow", NULL, "i2cslow", mux_pllpc_clk32k_clkm, CLK_SOURCE_I2CSLOW, 81, &periph_u_regs, TEGRA_PERIPH_ON_APB, i2cslow),
  1309. TEGRA_INIT_DATA_INT("vde", NULL, "vde", mux_pllpcm_clkm, CLK_SOURCE_VDE, 61, &periph_h_regs, 0, vde),
  1310. TEGRA_INIT_DATA_INT("vi", "vi", "tegra_camera", mux_pllmcpa, CLK_SOURCE_VI, 20, &periph_l_regs, 0, vi),
  1311. TEGRA_INIT_DATA_INT("epp", NULL, "epp", mux_pllmcpa, CLK_SOURCE_EPP, 19, &periph_l_regs, 0, epp),
  1312. TEGRA_INIT_DATA_INT("mpe", NULL, "mpe", mux_pllmcpa, CLK_SOURCE_MPE, 60, &periph_h_regs, 0, mpe),
  1313. TEGRA_INIT_DATA_INT("host1x", NULL, "host1x", mux_pllmcpa, CLK_SOURCE_HOST1X, 28, &periph_l_regs, 0, host1x),
  1314. TEGRA_INIT_DATA_INT("3d", NULL, "3d", mux_pllmcpa, CLK_SOURCE_3D, 24, &periph_l_regs, TEGRA_PERIPH_MANUAL_RESET, gr3d),
  1315. TEGRA_INIT_DATA_INT("3d2", NULL, "3d2", mux_pllmcpa, CLK_SOURCE_3D2, 98, &periph_v_regs, TEGRA_PERIPH_MANUAL_RESET, gr3d2),
  1316. TEGRA_INIT_DATA_INT("2d", NULL, "2d", mux_pllmcpa, CLK_SOURCE_2D, 21, &periph_l_regs, 0, gr2d),
  1317. TEGRA_INIT_DATA_INT("se", NULL, "se", mux_pllpcm_clkm, CLK_SOURCE_SE, 127, &periph_v_regs, 0, se),
  1318. TEGRA_INIT_DATA_MUX("mselect", NULL, "mselect", mux_pllp_clkm, CLK_SOURCE_MSELECT, 99, &periph_v_regs, 0, mselect),
  1319. TEGRA_INIT_DATA_MUX("nor", NULL, "tegra-nor", mux_pllpcm_clkm, CLK_SOURCE_NOR, 42, &periph_h_regs, 0, nor),
  1320. TEGRA_INIT_DATA_MUX("sdmmc1", NULL, "sdhci-tegra.0", mux_pllpcm_clkm, CLK_SOURCE_SDMMC1, 14, &periph_l_regs, 0, sdmmc1),
  1321. TEGRA_INIT_DATA_MUX("sdmmc2", NULL, "sdhci-tegra.1", mux_pllpcm_clkm, CLK_SOURCE_SDMMC2, 9, &periph_l_regs, 0, sdmmc2),
  1322. TEGRA_INIT_DATA_MUX("sdmmc3", NULL, "sdhci-tegra.2", mux_pllpcm_clkm, CLK_SOURCE_SDMMC3, 69, &periph_u_regs, 0, sdmmc3),
  1323. TEGRA_INIT_DATA_MUX("sdmmc4", NULL, "sdhci-tegra.3", mux_pllpcm_clkm, CLK_SOURCE_SDMMC4, 15, &periph_l_regs, 0, sdmmc4),
  1324. TEGRA_INIT_DATA_MUX("cve", NULL, "cve", mux_pllpdc_clkm, CLK_SOURCE_CVE, 49, &periph_h_regs, 0, cve),
  1325. TEGRA_INIT_DATA_MUX("tvo", NULL, "tvo", mux_pllpdc_clkm, CLK_SOURCE_TVO, 49, &periph_h_regs, 0, tvo),
  1326. TEGRA_INIT_DATA_MUX("tvdac", NULL, "tvdac", mux_pllpdc_clkm, CLK_SOURCE_TVDAC, 53, &periph_h_regs, 0, tvdac),
  1327. TEGRA_INIT_DATA_MUX("actmon", NULL, "actmon", mux_pllpc_clk32k_clkm, CLK_SOURCE_ACTMON, 119, &periph_v_regs, 0, actmon),
  1328. TEGRA_INIT_DATA_MUX("vi_sensor", "vi_sensor", "tegra_camera", mux_pllmcpa, CLK_SOURCE_VI_SENSOR, 20, &periph_l_regs, TEGRA_PERIPH_NO_RESET, vi_sensor),
  1329. TEGRA_INIT_DATA_DIV16("i2c1", "div-clk", "tegra-i2c.0", mux_pllp_clkm, CLK_SOURCE_I2C1, 12, &periph_l_regs, TEGRA_PERIPH_ON_APB, i2c1),
  1330. TEGRA_INIT_DATA_DIV16("i2c2", "div-clk", "tegra-i2c.1", mux_pllp_clkm, CLK_SOURCE_I2C2, 54, &periph_h_regs, TEGRA_PERIPH_ON_APB, i2c2),
  1331. TEGRA_INIT_DATA_DIV16("i2c3", "div-clk", "tegra-i2c.2", mux_pllp_clkm, CLK_SOURCE_I2C3, 67, &periph_u_regs, TEGRA_PERIPH_ON_APB, i2c3),
  1332. TEGRA_INIT_DATA_DIV16("i2c4", "div-clk", "tegra-i2c.3", mux_pllp_clkm, CLK_SOURCE_I2C4, 103, &periph_v_regs, TEGRA_PERIPH_ON_APB, i2c4),
  1333. TEGRA_INIT_DATA_DIV16("i2c5", "div-clk", "tegra-i2c.4", mux_pllp_clkm, CLK_SOURCE_I2C5, 47, &periph_h_regs, TEGRA_PERIPH_ON_APB, i2c5),
  1334. TEGRA_INIT_DATA_UART("uarta", NULL, "tegra_uart.0", mux_pllpcm_clkm, CLK_SOURCE_UARTA, 6, &periph_l_regs, uarta),
  1335. TEGRA_INIT_DATA_UART("uartb", NULL, "tegra_uart.1", mux_pllpcm_clkm, CLK_SOURCE_UARTB, 7, &periph_l_regs, uartb),
  1336. TEGRA_INIT_DATA_UART("uartc", NULL, "tegra_uart.2", mux_pllpcm_clkm, CLK_SOURCE_UARTC, 55, &periph_h_regs, uartc),
  1337. TEGRA_INIT_DATA_UART("uartd", NULL, "tegra_uart.3", mux_pllpcm_clkm, CLK_SOURCE_UARTD, 65, &periph_u_regs, uartd),
  1338. TEGRA_INIT_DATA_UART("uarte", NULL, "tegra_uart.4", mux_pllpcm_clkm, CLK_SOURCE_UARTE, 66, &periph_u_regs, uarte),
  1339. TEGRA_INIT_DATA_MUX8("hdmi", NULL, "hdmi", mux_pllpmdacd2_clkm, CLK_SOURCE_HDMI, 51, &periph_h_regs, 0, hdmi),
  1340. TEGRA_INIT_DATA_MUX8("extern1", NULL, "extern1", mux_plla_clk32k_pllp_clkm_plle, CLK_SOURCE_EXTERN1, 120, &periph_v_regs, 0, extern1),
  1341. TEGRA_INIT_DATA_MUX8("extern2", NULL, "extern2", mux_plla_clk32k_pllp_clkm_plle, CLK_SOURCE_EXTERN2, 121, &periph_v_regs, 0, extern2),
  1342. TEGRA_INIT_DATA_MUX8("extern3", NULL, "extern3", mux_plla_clk32k_pllp_clkm_plle, CLK_SOURCE_EXTERN3, 122, &periph_v_regs, 0, extern3),
  1343. TEGRA_INIT_DATA("pwm", NULL, "pwm", mux_pllpc_clk32k_clkm, CLK_SOURCE_PWM, 28, 2, 0, 0, 8, 1, 0, &periph_l_regs, 17, periph_clk_enb_refcnt, 0, pwm),
  1344. };
  1345. static struct tegra_periph_init_data tegra_periph_nodiv_clk_list[] = {
  1346. TEGRA_INIT_DATA_NODIV("disp1", NULL, "tegradc.0", mux_pllpmdacd2_clkm, CLK_SOURCE_DISP1, 29, 3, 27, &periph_l_regs, 0, disp1),
  1347. TEGRA_INIT_DATA_NODIV("disp2", NULL, "tegradc.1", mux_pllpmdacd2_clkm, CLK_SOURCE_DISP2, 29, 3, 26, &periph_l_regs, 0, disp2),
  1348. TEGRA_INIT_DATA_NODIV("dsib", NULL, "tegradc.1", mux_plld_out0_plld2_out0, CLK_SOURCE_DSIB, 25, 1, 82, &periph_u_regs, 0, dsib),
  1349. };
  1350. static void __init tegra30_periph_clk_init(void)
  1351. {
  1352. struct tegra_periph_init_data *data;
  1353. struct clk *clk;
  1354. int i;
  1355. /* apbdma */
  1356. clk = tegra_clk_register_periph_gate("apbdma", "clk_m", 0, clk_base, 0, 34,
  1357. &periph_h_regs, periph_clk_enb_refcnt);
  1358. clk_register_clkdev(clk, NULL, "tegra-apbdma");
  1359. clks[apbdma] = clk;
  1360. /* rtc */
  1361. clk = tegra_clk_register_periph_gate("rtc", "clk_32k",
  1362. TEGRA_PERIPH_NO_RESET | TEGRA_PERIPH_ON_APB,
  1363. clk_base, 0, 4, &periph_l_regs,
  1364. periph_clk_enb_refcnt);
  1365. clk_register_clkdev(clk, NULL, "rtc-tegra");
  1366. clks[rtc] = clk;
  1367. /* timer */
  1368. clk = tegra_clk_register_periph_gate("timer", "clk_m", 0, clk_base, 0,
  1369. 5, &periph_l_regs, periph_clk_enb_refcnt);
  1370. clk_register_clkdev(clk, NULL, "timer");
  1371. clks[timer] = clk;
  1372. /* kbc */
  1373. clk = tegra_clk_register_periph_gate("kbc", "clk_32k",
  1374. TEGRA_PERIPH_NO_RESET | TEGRA_PERIPH_ON_APB,
  1375. clk_base, 0, 36, &periph_h_regs,
  1376. periph_clk_enb_refcnt);
  1377. clk_register_clkdev(clk, NULL, "tegra-kbc");
  1378. clks[kbc] = clk;
  1379. /* csus */
  1380. clk = tegra_clk_register_periph_gate("csus", "clk_m",
  1381. TEGRA_PERIPH_NO_RESET | TEGRA_PERIPH_ON_APB,
  1382. clk_base, 0, 92, &periph_u_regs,
  1383. periph_clk_enb_refcnt);
  1384. clk_register_clkdev(clk, "csus", "tengra_camera");
  1385. clks[csus] = clk;
  1386. /* vcp */
  1387. clk = tegra_clk_register_periph_gate("vcp", "clk_m", 0, clk_base, 0, 29,
  1388. &periph_l_regs, periph_clk_enb_refcnt);
  1389. clk_register_clkdev(clk, "vcp", "tegra-avp");
  1390. clks[vcp] = clk;
  1391. /* bsea */
  1392. clk = tegra_clk_register_periph_gate("bsea", "clk_m", 0, clk_base, 0,
  1393. 62, &periph_h_regs, periph_clk_enb_refcnt);
  1394. clk_register_clkdev(clk, "bsea", "tegra-avp");
  1395. clks[bsea] = clk;
  1396. /* bsev */
  1397. clk = tegra_clk_register_periph_gate("bsev", "clk_m", 0, clk_base, 0,
  1398. 63, &periph_h_regs, periph_clk_enb_refcnt);
  1399. clk_register_clkdev(clk, "bsev", "tegra-aes");
  1400. clks[bsev] = clk;
  1401. /* usbd */
  1402. clk = tegra_clk_register_periph_gate("usbd", "clk_m", 0, clk_base, 0,
  1403. 22, &periph_l_regs, periph_clk_enb_refcnt);
  1404. clk_register_clkdev(clk, NULL, "fsl-tegra-udc");
  1405. clks[usbd] = clk;
  1406. /* usb2 */
  1407. clk = tegra_clk_register_periph_gate("usb2", "clk_m", 0, clk_base, 0,
  1408. 58, &periph_h_regs, periph_clk_enb_refcnt);
  1409. clk_register_clkdev(clk, NULL, "tegra-ehci.1");
  1410. clks[usb2] = clk;
  1411. /* usb3 */
  1412. clk = tegra_clk_register_periph_gate("usb3", "clk_m", 0, clk_base, 0,
  1413. 59, &periph_h_regs, periph_clk_enb_refcnt);
  1414. clk_register_clkdev(clk, NULL, "tegra-ehci.2");
  1415. clks[usb3] = clk;
  1416. /* dsia */
  1417. clk = tegra_clk_register_periph_gate("dsia", "pll_d_out0", 0, clk_base,
  1418. 0, 48, &periph_h_regs,
  1419. periph_clk_enb_refcnt);
  1420. clk_register_clkdev(clk, "dsia", "tegradc.0");
  1421. clks[dsia] = clk;
  1422. /* csi */
  1423. clk = tegra_clk_register_periph_gate("csi", "pll_p_out3", 0, clk_base,
  1424. 0, 52, &periph_h_regs,
  1425. periph_clk_enb_refcnt);
  1426. clk_register_clkdev(clk, "csi", "tegra_camera");
  1427. clks[csi] = clk;
  1428. /* isp */
  1429. clk = tegra_clk_register_periph_gate("isp", "clk_m", 0, clk_base, 0, 23,
  1430. &periph_l_regs, periph_clk_enb_refcnt);
  1431. clk_register_clkdev(clk, "isp", "tegra_camera");
  1432. clks[isp] = clk;
  1433. /* pcie */
  1434. clk = tegra_clk_register_periph_gate("pcie", "clk_m", 0, clk_base, 0,
  1435. 70, &periph_u_regs, periph_clk_enb_refcnt);
  1436. clk_register_clkdev(clk, "pcie", "tegra-pcie");
  1437. clks[pcie] = clk;
  1438. /* afi */
  1439. clk = tegra_clk_register_periph_gate("afi", "clk_m", 0, clk_base, 0, 72,
  1440. &periph_u_regs, periph_clk_enb_refcnt);
  1441. clk_register_clkdev(clk, "afi", "tegra-pcie");
  1442. clks[afi] = clk;
  1443. /* pciex */
  1444. clk = tegra_clk_register_periph_gate("pciex", "pll_e", 0, clk_base, 0,
  1445. 74, &periph_u_regs, periph_clk_enb_refcnt);
  1446. clk_register_clkdev(clk, "pciex", "tegra-pcie");
  1447. clks[pciex] = clk;
  1448. /* kfuse */
  1449. clk = tegra_clk_register_periph_gate("kfuse", "clk_m",
  1450. TEGRA_PERIPH_ON_APB,
  1451. clk_base, 0, 40, &periph_h_regs,
  1452. periph_clk_enb_refcnt);
  1453. clk_register_clkdev(clk, NULL, "kfuse-tegra");
  1454. clks[kfuse] = clk;
  1455. /* fuse */
  1456. clk = tegra_clk_register_periph_gate("fuse", "clk_m",
  1457. TEGRA_PERIPH_ON_APB,
  1458. clk_base, 0, 39, &periph_h_regs,
  1459. periph_clk_enb_refcnt);
  1460. clk_register_clkdev(clk, "fuse", "fuse-tegra");
  1461. clks[fuse] = clk;
  1462. /* fuse_burn */
  1463. clk = tegra_clk_register_periph_gate("fuse_burn", "clk_m",
  1464. TEGRA_PERIPH_ON_APB,
  1465. clk_base, 0, 39, &periph_h_regs,
  1466. periph_clk_enb_refcnt);
  1467. clk_register_clkdev(clk, "fuse_burn", "fuse-tegra");
  1468. clks[fuse_burn] = clk;
  1469. /* apbif */
  1470. clk = tegra_clk_register_periph_gate("apbif", "clk_m", 0,
  1471. clk_base, 0, 107, &periph_v_regs,
  1472. periph_clk_enb_refcnt);
  1473. clk_register_clkdev(clk, "apbif", "tegra30-ahub");
  1474. clks[apbif] = clk;
  1475. /* hda2hdmi */
  1476. clk = tegra_clk_register_periph_gate("hda2hdmi", "clk_m",
  1477. TEGRA_PERIPH_ON_APB,
  1478. clk_base, 0, 128, &periph_w_regs,
  1479. periph_clk_enb_refcnt);
  1480. clk_register_clkdev(clk, "hda2hdmi", "tegra30-hda");
  1481. clks[hda2hdmi] = clk;
  1482. /* sata_cold */
  1483. clk = tegra_clk_register_periph_gate("sata_cold", "clk_m",
  1484. TEGRA_PERIPH_ON_APB,
  1485. clk_base, 0, 129, &periph_w_regs,
  1486. periph_clk_enb_refcnt);
  1487. clk_register_clkdev(clk, NULL, "tegra_sata_cold");
  1488. clks[sata_cold] = clk;
  1489. /* dtv */
  1490. clk = tegra_clk_register_periph_gate("dtv", "clk_m",
  1491. TEGRA_PERIPH_ON_APB,
  1492. clk_base, 0, 79, &periph_u_regs,
  1493. periph_clk_enb_refcnt);
  1494. clk_register_clkdev(clk, NULL, "dtv");
  1495. clks[dtv] = clk;
  1496. /* emc */
  1497. clk = clk_register_mux(NULL, "emc_mux", mux_pllmcp_clkm,
  1498. ARRAY_SIZE(mux_pllmcp_clkm),
  1499. CLK_SET_RATE_NO_REPARENT,
  1500. clk_base + CLK_SOURCE_EMC,
  1501. 30, 2, 0, NULL);
  1502. clk = tegra_clk_register_periph_gate("emc", "emc_mux", 0, clk_base, 0,
  1503. 57, &periph_h_regs, periph_clk_enb_refcnt);
  1504. clk_register_clkdev(clk, "emc", NULL);
  1505. clks[emc] = clk;
  1506. for (i = 0; i < ARRAY_SIZE(tegra_periph_clk_list); i++) {
  1507. data = &tegra_periph_clk_list[i];
  1508. clk = tegra_clk_register_periph(data->name, data->parent_names,
  1509. data->num_parents, &data->periph,
  1510. clk_base, data->offset, data->flags);
  1511. clk_register_clkdev(clk, data->con_id, data->dev_id);
  1512. clks[data->clk_id] = clk;
  1513. }
  1514. for (i = 0; i < ARRAY_SIZE(tegra_periph_nodiv_clk_list); i++) {
  1515. data = &tegra_periph_nodiv_clk_list[i];
  1516. clk = tegra_clk_register_periph_nodiv(data->name,
  1517. data->parent_names,
  1518. data->num_parents, &data->periph,
  1519. clk_base, data->offset);
  1520. clk_register_clkdev(clk, data->con_id, data->dev_id);
  1521. clks[data->clk_id] = clk;
  1522. }
  1523. }
  1524. static void __init tegra30_fixed_clk_init(void)
  1525. {
  1526. struct clk *clk;
  1527. /* clk_32k */
  1528. clk = clk_register_fixed_rate(NULL, "clk_32k", NULL, CLK_IS_ROOT,
  1529. 32768);
  1530. clk_register_clkdev(clk, "clk_32k", NULL);
  1531. clks[clk_32k] = clk;
  1532. /* clk_m_div2 */
  1533. clk = clk_register_fixed_factor(NULL, "clk_m_div2", "clk_m",
  1534. CLK_SET_RATE_PARENT, 1, 2);
  1535. clk_register_clkdev(clk, "clk_m_div2", NULL);
  1536. clks[clk_m_div2] = clk;
  1537. /* clk_m_div4 */
  1538. clk = clk_register_fixed_factor(NULL, "clk_m_div4", "clk_m",
  1539. CLK_SET_RATE_PARENT, 1, 4);
  1540. clk_register_clkdev(clk, "clk_m_div4", NULL);
  1541. clks[clk_m_div4] = clk;
  1542. /* cml0 */
  1543. clk = clk_register_gate(NULL, "cml0", "pll_e", 0, clk_base + PLLE_AUX,
  1544. 0, 0, &cml_lock);
  1545. clk_register_clkdev(clk, "cml0", NULL);
  1546. clks[cml0] = clk;
  1547. /* cml1 */
  1548. clk = clk_register_gate(NULL, "cml1", "pll_e", 0, clk_base + PLLE_AUX,
  1549. 1, 0, &cml_lock);
  1550. clk_register_clkdev(clk, "cml1", NULL);
  1551. clks[cml1] = clk;
  1552. }
  1553. static void __init tegra30_osc_clk_init(void)
  1554. {
  1555. struct clk *clk;
  1556. unsigned int pll_ref_div;
  1557. tegra30_clk_measure_input_freq();
  1558. /* clk_m */
  1559. clk = clk_register_fixed_rate(NULL, "clk_m", NULL, CLK_IS_ROOT,
  1560. input_freq);
  1561. clk_register_clkdev(clk, "clk_m", NULL);
  1562. clks[clk_m] = clk;
  1563. /* pll_ref */
  1564. pll_ref_div = tegra30_get_pll_ref_div();
  1565. clk = clk_register_fixed_factor(NULL, "pll_ref", "clk_m",
  1566. CLK_SET_RATE_PARENT, 1, pll_ref_div);
  1567. clk_register_clkdev(clk, "pll_ref", NULL);
  1568. clks[pll_ref] = clk;
  1569. }
  1570. /* Tegra30 CPU clock and reset control functions */
  1571. static void tegra30_wait_cpu_in_reset(u32 cpu)
  1572. {
  1573. unsigned int reg;
  1574. do {
  1575. reg = readl(clk_base +
  1576. TEGRA30_CLK_RST_CONTROLLER_CPU_CMPLX_STATUS);
  1577. cpu_relax();
  1578. } while (!(reg & (1 << cpu))); /* check CPU been reset or not */
  1579. return;
  1580. }
  1581. static void tegra30_put_cpu_in_reset(u32 cpu)
  1582. {
  1583. writel(CPU_RESET(cpu),
  1584. clk_base + TEGRA_CLK_RST_CONTROLLER_RST_CPU_CMPLX_SET);
  1585. dmb();
  1586. }
  1587. static void tegra30_cpu_out_of_reset(u32 cpu)
  1588. {
  1589. writel(CPU_RESET(cpu),
  1590. clk_base + TEGRA_CLK_RST_CONTROLLER_RST_CPU_CMPLX_CLR);
  1591. wmb();
  1592. }
  1593. static void tegra30_enable_cpu_clock(u32 cpu)
  1594. {
  1595. unsigned int reg;
  1596. writel(CPU_CLOCK(cpu),
  1597. clk_base + TEGRA30_CLK_RST_CONTROLLER_CLK_CPU_CMPLX_CLR);
  1598. reg = readl(clk_base +
  1599. TEGRA30_CLK_RST_CONTROLLER_CLK_CPU_CMPLX_CLR);
  1600. }
  1601. static void tegra30_disable_cpu_clock(u32 cpu)
  1602. {
  1603. unsigned int reg;
  1604. reg = readl(clk_base + TEGRA_CLK_RST_CONTROLLER_CLK_CPU_CMPLX);
  1605. writel(reg | CPU_CLOCK(cpu),
  1606. clk_base + TEGRA_CLK_RST_CONTROLLER_CLK_CPU_CMPLX);
  1607. }
  1608. #ifdef CONFIG_PM_SLEEP
  1609. static bool tegra30_cpu_rail_off_ready(void)
  1610. {
  1611. unsigned int cpu_rst_status;
  1612. int cpu_pwr_status;
  1613. cpu_rst_status = readl(clk_base +
  1614. TEGRA30_CLK_RST_CONTROLLER_CPU_CMPLX_STATUS);
  1615. cpu_pwr_status = tegra_powergate_is_powered(TEGRA_POWERGATE_CPU1) ||
  1616. tegra_powergate_is_powered(TEGRA_POWERGATE_CPU2) ||
  1617. tegra_powergate_is_powered(TEGRA_POWERGATE_CPU3);
  1618. if (((cpu_rst_status & 0xE) != 0xE) || cpu_pwr_status)
  1619. return false;
  1620. return true;
  1621. }
  1622. static void tegra30_cpu_clock_suspend(void)
  1623. {
  1624. /* switch coresite to clk_m, save off original source */
  1625. tegra30_cpu_clk_sctx.clk_csite_src =
  1626. readl(clk_base + CLK_RESET_SOURCE_CSITE);
  1627. writel(3<<30, clk_base + CLK_RESET_SOURCE_CSITE);
  1628. tegra30_cpu_clk_sctx.cpu_burst =
  1629. readl(clk_base + CLK_RESET_CCLK_BURST);
  1630. tegra30_cpu_clk_sctx.pllx_base =
  1631. readl(clk_base + CLK_RESET_PLLX_BASE);
  1632. tegra30_cpu_clk_sctx.pllx_misc =
  1633. readl(clk_base + CLK_RESET_PLLX_MISC);
  1634. tegra30_cpu_clk_sctx.cclk_divider =
  1635. readl(clk_base + CLK_RESET_CCLK_DIVIDER);
  1636. }
  1637. static void tegra30_cpu_clock_resume(void)
  1638. {
  1639. unsigned int reg, policy;
  1640. /* Is CPU complex already running on PLLX? */
  1641. reg = readl(clk_base + CLK_RESET_CCLK_BURST);
  1642. policy = (reg >> CLK_RESET_CCLK_BURST_POLICY_SHIFT) & 0xF;
  1643. if (policy == CLK_RESET_CCLK_IDLE_POLICY)
  1644. reg = (reg >> CLK_RESET_CCLK_IDLE_POLICY_SHIFT) & 0xF;
  1645. else if (policy == CLK_RESET_CCLK_RUN_POLICY)
  1646. reg = (reg >> CLK_RESET_CCLK_RUN_POLICY_SHIFT) & 0xF;
  1647. else
  1648. BUG();
  1649. if (reg != CLK_RESET_CCLK_BURST_POLICY_PLLX) {
  1650. /* restore PLLX settings if CPU is on different PLL */
  1651. writel(tegra30_cpu_clk_sctx.pllx_misc,
  1652. clk_base + CLK_RESET_PLLX_MISC);
  1653. writel(tegra30_cpu_clk_sctx.pllx_base,
  1654. clk_base + CLK_RESET_PLLX_BASE);
  1655. /* wait for PLL stabilization if PLLX was enabled */
  1656. if (tegra30_cpu_clk_sctx.pllx_base & (1 << 30))
  1657. udelay(300);
  1658. }
  1659. /*
  1660. * Restore original burst policy setting for calls resulting from CPU
  1661. * LP2 in idle or system suspend.
  1662. */
  1663. writel(tegra30_cpu_clk_sctx.cclk_divider,
  1664. clk_base + CLK_RESET_CCLK_DIVIDER);
  1665. writel(tegra30_cpu_clk_sctx.cpu_burst,
  1666. clk_base + CLK_RESET_CCLK_BURST);
  1667. writel(tegra30_cpu_clk_sctx.clk_csite_src,
  1668. clk_base + CLK_RESET_SOURCE_CSITE);
  1669. }
  1670. #endif
  1671. static struct tegra_cpu_car_ops tegra30_cpu_car_ops = {
  1672. .wait_for_reset = tegra30_wait_cpu_in_reset,
  1673. .put_in_reset = tegra30_put_cpu_in_reset,
  1674. .out_of_reset = tegra30_cpu_out_of_reset,
  1675. .enable_clock = tegra30_enable_cpu_clock,
  1676. .disable_clock = tegra30_disable_cpu_clock,
  1677. #ifdef CONFIG_PM_SLEEP
  1678. .rail_off_ready = tegra30_cpu_rail_off_ready,
  1679. .suspend = tegra30_cpu_clock_suspend,
  1680. .resume = tegra30_cpu_clock_resume,
  1681. #endif
  1682. };
  1683. static struct tegra_clk_init_table init_table[] __initdata = {
  1684. {uarta, pll_p, 408000000, 0},
  1685. {uartb, pll_p, 408000000, 0},
  1686. {uartc, pll_p, 408000000, 0},
  1687. {uartd, pll_p, 408000000, 0},
  1688. {uarte, pll_p, 408000000, 0},
  1689. {pll_a, clk_max, 564480000, 1},
  1690. {pll_a_out0, clk_max, 11289600, 1},
  1691. {extern1, pll_a_out0, 0, 1},
  1692. {clk_out_1_mux, extern1, 0, 0},
  1693. {clk_out_1, clk_max, 0, 1},
  1694. {blink, clk_max, 0, 1},
  1695. {i2s0, pll_a_out0, 11289600, 0},
  1696. {i2s1, pll_a_out0, 11289600, 0},
  1697. {i2s2, pll_a_out0, 11289600, 0},
  1698. {i2s3, pll_a_out0, 11289600, 0},
  1699. {i2s4, pll_a_out0, 11289600, 0},
  1700. {sdmmc1, pll_p, 48000000, 0},
  1701. {sdmmc2, pll_p, 48000000, 0},
  1702. {sdmmc3, pll_p, 48000000, 0},
  1703. {pll_m, clk_max, 0, 1},
  1704. {pclk, clk_max, 0, 1},
  1705. {csite, clk_max, 0, 1},
  1706. {emc, clk_max, 0, 1},
  1707. {mselect, clk_max, 0, 1},
  1708. {sbc1, pll_p, 100000000, 0},
  1709. {sbc2, pll_p, 100000000, 0},
  1710. {sbc3, pll_p, 100000000, 0},
  1711. {sbc4, pll_p, 100000000, 0},
  1712. {sbc5, pll_p, 100000000, 0},
  1713. {sbc6, pll_p, 100000000, 0},
  1714. {host1x, pll_c, 150000000, 0},
  1715. {disp1, pll_p, 600000000, 0},
  1716. {disp2, pll_p, 600000000, 0},
  1717. {twd, clk_max, 0, 1},
  1718. {gr2d, pll_c, 300000000, 0},
  1719. {gr3d, pll_c, 300000000, 0},
  1720. {clk_max, clk_max, 0, 0}, /* This MUST be the last entry. */
  1721. };
  1722. static void __init tegra30_clock_apply_init_table(void)
  1723. {
  1724. tegra_init_from_table(init_table, clks, clk_max);
  1725. }
  1726. /*
  1727. * Some clocks may be used by different drivers depending on the board
  1728. * configuration. List those here to register them twice in the clock lookup
  1729. * table under two names.
  1730. */
  1731. static struct tegra_clk_duplicate tegra_clk_duplicates[] = {
  1732. TEGRA_CLK_DUPLICATE(usbd, "utmip-pad", NULL),
  1733. TEGRA_CLK_DUPLICATE(usbd, "tegra-ehci.0", NULL),
  1734. TEGRA_CLK_DUPLICATE(usbd, "tegra-otg", NULL),
  1735. TEGRA_CLK_DUPLICATE(bsev, "tegra-avp", "bsev"),
  1736. TEGRA_CLK_DUPLICATE(bsev, "nvavp", "bsev"),
  1737. TEGRA_CLK_DUPLICATE(vde, "tegra-aes", "vde"),
  1738. TEGRA_CLK_DUPLICATE(bsea, "tegra-aes", "bsea"),
  1739. TEGRA_CLK_DUPLICATE(bsea, "nvavp", "bsea"),
  1740. TEGRA_CLK_DUPLICATE(cml1, "tegra_sata_cml", NULL),
  1741. TEGRA_CLK_DUPLICATE(cml0, "tegra_pcie", "cml"),
  1742. TEGRA_CLK_DUPLICATE(pciex, "tegra_pcie", "pciex"),
  1743. TEGRA_CLK_DUPLICATE(vcp, "nvavp", "vcp"),
  1744. TEGRA_CLK_DUPLICATE(clk_max, NULL, NULL), /* MUST be the last entry */
  1745. };
  1746. static const struct of_device_id pmc_match[] __initconst = {
  1747. { .compatible = "nvidia,tegra30-pmc" },
  1748. {},
  1749. };
  1750. static void __init tegra30_clock_init(struct device_node *np)
  1751. {
  1752. struct device_node *node;
  1753. int i;
  1754. clk_base = of_iomap(np, 0);
  1755. if (!clk_base) {
  1756. pr_err("ioremap tegra30 CAR failed\n");
  1757. return;
  1758. }
  1759. node = of_find_matching_node(NULL, pmc_match);
  1760. if (!node) {
  1761. pr_err("Failed to find pmc node\n");
  1762. BUG();
  1763. }
  1764. pmc_base = of_iomap(node, 0);
  1765. if (!pmc_base) {
  1766. pr_err("Can't map pmc registers\n");
  1767. BUG();
  1768. }
  1769. tegra30_osc_clk_init();
  1770. tegra30_fixed_clk_init();
  1771. tegra30_pll_init();
  1772. tegra30_super_clk_init();
  1773. tegra30_periph_clk_init();
  1774. tegra30_audio_clk_init();
  1775. tegra30_pmc_clk_init();
  1776. for (i = 0; i < ARRAY_SIZE(clks); i++) {
  1777. if (IS_ERR(clks[i])) {
  1778. pr_err("Tegra30 clk %d: register failed with %ld\n",
  1779. i, PTR_ERR(clks[i]));
  1780. BUG();
  1781. }
  1782. if (!clks[i])
  1783. clks[i] = ERR_PTR(-EINVAL);
  1784. }
  1785. tegra_init_dup_clks(tegra_clk_duplicates, clks, clk_max);
  1786. clk_data.clks = clks;
  1787. clk_data.clk_num = ARRAY_SIZE(clks);
  1788. of_clk_add_provider(np, of_clk_src_onecell_get, &clk_data);
  1789. tegra_clk_apply_init_table = tegra30_clock_apply_init_table;
  1790. tegra_cpu_car_ops = &tegra30_cpu_car_ops;
  1791. }
  1792. CLK_OF_DECLARE(tegra30, "nvidia,tegra30-car", tegra30_clock_init);