clk-tegra30.c 68 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 <mach/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 27
  106. #define PLLE_MISC_LOCK 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. #ifdef CONFIG_PM_SLEEP
  228. static struct cpu_clk_suspend_context {
  229. u32 pllx_misc;
  230. u32 pllx_base;
  231. u32 cpu_burst;
  232. u32 clk_csite_src;
  233. u32 cclk_divider;
  234. } tegra30_cpu_clk_sctx;
  235. #endif
  236. static int periph_clk_enb_refcnt[CLK_OUT_ENB_NUM * 32];
  237. static void __iomem *clk_base;
  238. static void __iomem *pmc_base;
  239. static unsigned long input_freq;
  240. static DEFINE_SPINLOCK(clk_doubler_lock);
  241. static DEFINE_SPINLOCK(clk_out_lock);
  242. static DEFINE_SPINLOCK(pll_div_lock);
  243. static DEFINE_SPINLOCK(cml_lock);
  244. static DEFINE_SPINLOCK(pll_d_lock);
  245. static DEFINE_SPINLOCK(sysrate_lock);
  246. #define TEGRA_INIT_DATA_MUX(_name, _con_id, _dev_id, _parents, _offset, \
  247. _clk_num, _regs, _gate_flags, _clk_id) \
  248. TEGRA_INIT_DATA(_name, _con_id, _dev_id, _parents, _offset, \
  249. 30, 2, 0, 0, 8, 1, 0, _regs, _clk_num, \
  250. periph_clk_enb_refcnt, _gate_flags, _clk_id)
  251. #define TEGRA_INIT_DATA_DIV16(_name, _con_id, _dev_id, _parents, _offset, \
  252. _clk_num, _regs, _gate_flags, _clk_id) \
  253. TEGRA_INIT_DATA(_name, _con_id, _dev_id, _parents, _offset, \
  254. 30, 2, 0, 0, 16, 0, TEGRA_DIVIDER_ROUND_UP, \
  255. _regs, _clk_num, periph_clk_enb_refcnt, \
  256. _gate_flags, _clk_id)
  257. #define TEGRA_INIT_DATA_MUX8(_name, _con_id, _dev_id, _parents, _offset, \
  258. _clk_num, _regs, _gate_flags, _clk_id) \
  259. TEGRA_INIT_DATA(_name, _con_id, _dev_id, _parents, _offset, \
  260. 29, 3, 0, 0, 8, 1, 0, _regs, _clk_num, \
  261. periph_clk_enb_refcnt, _gate_flags, _clk_id)
  262. #define TEGRA_INIT_DATA_INT(_name, _con_id, _dev_id, _parents, _offset, \
  263. _clk_num, _regs, _gate_flags, _clk_id) \
  264. TEGRA_INIT_DATA(_name, _con_id, _dev_id, _parents, _offset, \
  265. 30, 2, 0, 0, 8, 1, TEGRA_DIVIDER_INT, _regs, \
  266. _clk_num, periph_clk_enb_refcnt, _gate_flags, \
  267. _clk_id)
  268. #define TEGRA_INIT_DATA_UART(_name, _con_id, _dev_id, _parents, _offset,\
  269. _clk_num, _regs, _clk_id) \
  270. TEGRA_INIT_DATA(_name, _con_id, _dev_id, _parents, _offset, \
  271. 30, 2, 0, 0, 16, 1, TEGRA_DIVIDER_UART, _regs, \
  272. _clk_num, periph_clk_enb_refcnt, 0, _clk_id)
  273. #define TEGRA_INIT_DATA_NODIV(_name, _con_id, _dev_id, _parents, _offset, \
  274. _mux_shift, _mux_width, _clk_num, _regs, \
  275. _gate_flags, _clk_id) \
  276. TEGRA_INIT_DATA(_name, _con_id, _dev_id, _parents, _offset, \
  277. _mux_shift, _mux_width, 0, 0, 0, 0, 0, _regs, \
  278. _clk_num, periph_clk_enb_refcnt, _gate_flags, \
  279. _clk_id)
  280. /*
  281. * IDs assigned here must be in sync with DT bindings definition
  282. * for Tegra30 clocks.
  283. */
  284. enum tegra30_clk {
  285. cpu, rtc = 4, timer, uarta, gpio = 8, sdmmc2, i2s1 = 11, i2c1, ndflash,
  286. sdmmc1, sdmmc4, pwm = 17, i2s2, epp, gr2d = 21, usbd, isp, gr3d,
  287. disp2 = 26, disp1, host1x, vcp, i2s0, cop_cache, mc, ahbdma, apbdma,
  288. kbc = 36, statmon, pmc, kfuse = 40, sbc1, nor, sbc2 = 44, sbc3 = 46,
  289. i2c5, dsia, mipi = 50, hdmi, csi, tvdac, i2c2, uartc, emc = 57, usb2,
  290. usb3, mpe, vde, bsea, bsev, speedo, uartd, uarte, i2c3, sbc4, sdmmc3,
  291. pcie, owr, afi, csite, pciex, avpucq, la, dtv = 79, ndspeed, i2cslow,
  292. dsib, irama = 84, iramb, iramc, iramd, cram2, audio_2x = 90, csus = 92,
  293. cdev1, cdev2, cpu_g = 96, cpu_lp, gr3d2, mselect, tsensor, i2s3, i2s4,
  294. i2c4, sbc5, sbc6, d_audio, apbif, dam0, dam1, dam2, hda2codec_2x,
  295. atomics, audio0_2x, audio1_2x, audio2_2x, audio3_2x, audio4_2x,
  296. spdif_2x, actmon, extern1, extern2, extern3, sata_oob, sata, hda,
  297. se = 127, hda2hdmi, sata_cold, uartb = 160, vfir, spdif_in, spdif_out,
  298. vi, vi_sensor, fuse, fuse_burn, cve, tvo, clk_32k, clk_m, clk_m_div2,
  299. clk_m_div4, pll_ref, pll_c, pll_c_out1, pll_m, pll_m_out1, pll_p,
  300. pll_p_out1, pll_p_out2, pll_p_out3, pll_p_out4, pll_a, pll_a_out0,
  301. pll_d, pll_d_out0, pll_d2, pll_d2_out0, pll_u, pll_x, pll_x_out0, pll_e,
  302. spdif_in_sync, i2s0_sync, i2s1_sync, i2s2_sync, i2s3_sync, i2s4_sync,
  303. vimclk_sync, audio0, audio1, audio2, audio3, audio4, spdif, clk_out_1,
  304. clk_out_2, clk_out_3, sclk, blink, cclk_g, cclk_lp, twd, cml0, cml1,
  305. hclk, pclk, clk_out_1_mux = 300, clk_max
  306. };
  307. static struct clk *clks[clk_max];
  308. static struct clk_onecell_data clk_data;
  309. /*
  310. * Structure defining the fields for USB UTMI clocks Parameters.
  311. */
  312. struct utmi_clk_param {
  313. /* Oscillator Frequency in KHz */
  314. u32 osc_frequency;
  315. /* UTMIP PLL Enable Delay Count */
  316. u8 enable_delay_count;
  317. /* UTMIP PLL Stable count */
  318. u8 stable_count;
  319. /* UTMIP PLL Active delay count */
  320. u8 active_delay_count;
  321. /* UTMIP PLL Xtal frequency count */
  322. u8 xtal_freq_count;
  323. };
  324. static const struct utmi_clk_param utmi_parameters[] = {
  325. /* OSC_FREQUENCY, ENABLE_DLY, STABLE_CNT, ACTIVE_DLY, XTAL_FREQ_CNT */
  326. {13000000, 0x02, 0x33, 0x05, 0x7F},
  327. {19200000, 0x03, 0x4B, 0x06, 0xBB},
  328. {12000000, 0x02, 0x2F, 0x04, 0x76},
  329. {26000000, 0x04, 0x66, 0x09, 0xFE},
  330. {16800000, 0x03, 0x41, 0x0A, 0xA4},
  331. };
  332. static struct tegra_clk_pll_freq_table pll_c_freq_table[] = {
  333. { 12000000, 1040000000, 520, 6, 1, 8},
  334. { 13000000, 1040000000, 480, 6, 1, 8},
  335. { 16800000, 1040000000, 495, 8, 1, 8}, /* actual: 1039.5 MHz */
  336. { 19200000, 1040000000, 325, 6, 1, 6},
  337. { 26000000, 1040000000, 520, 13, 1, 8},
  338. { 12000000, 832000000, 416, 6, 1, 8},
  339. { 13000000, 832000000, 832, 13, 1, 8},
  340. { 16800000, 832000000, 396, 8, 1, 8}, /* actual: 831.6 MHz */
  341. { 19200000, 832000000, 260, 6, 1, 8},
  342. { 26000000, 832000000, 416, 13, 1, 8},
  343. { 12000000, 624000000, 624, 12, 1, 8},
  344. { 13000000, 624000000, 624, 13, 1, 8},
  345. { 16800000, 600000000, 520, 14, 1, 8},
  346. { 19200000, 624000000, 520, 16, 1, 8},
  347. { 26000000, 624000000, 624, 26, 1, 8},
  348. { 12000000, 600000000, 600, 12, 1, 8},
  349. { 13000000, 600000000, 600, 13, 1, 8},
  350. { 16800000, 600000000, 500, 14, 1, 8},
  351. { 19200000, 600000000, 375, 12, 1, 6},
  352. { 26000000, 600000000, 600, 26, 1, 8},
  353. { 12000000, 520000000, 520, 12, 1, 8},
  354. { 13000000, 520000000, 520, 13, 1, 8},
  355. { 16800000, 520000000, 495, 16, 1, 8}, /* actual: 519.75 MHz */
  356. { 19200000, 520000000, 325, 12, 1, 6},
  357. { 26000000, 520000000, 520, 26, 1, 8},
  358. { 12000000, 416000000, 416, 12, 1, 8},
  359. { 13000000, 416000000, 416, 13, 1, 8},
  360. { 16800000, 416000000, 396, 16, 1, 8}, /* actual: 415.8 MHz */
  361. { 19200000, 416000000, 260, 12, 1, 6},
  362. { 26000000, 416000000, 416, 26, 1, 8},
  363. { 0, 0, 0, 0, 0, 0 },
  364. };
  365. static struct tegra_clk_pll_freq_table pll_m_freq_table[] = {
  366. { 12000000, 666000000, 666, 12, 1, 8},
  367. { 13000000, 666000000, 666, 13, 1, 8},
  368. { 16800000, 666000000, 555, 14, 1, 8},
  369. { 19200000, 666000000, 555, 16, 1, 8},
  370. { 26000000, 666000000, 666, 26, 1, 8},
  371. { 12000000, 600000000, 600, 12, 1, 8},
  372. { 13000000, 600000000, 600, 13, 1, 8},
  373. { 16800000, 600000000, 500, 14, 1, 8},
  374. { 19200000, 600000000, 375, 12, 1, 6},
  375. { 26000000, 600000000, 600, 26, 1, 8},
  376. { 0, 0, 0, 0, 0, 0 },
  377. };
  378. static struct tegra_clk_pll_freq_table pll_p_freq_table[] = {
  379. { 12000000, 216000000, 432, 12, 2, 8},
  380. { 13000000, 216000000, 432, 13, 2, 8},
  381. { 16800000, 216000000, 360, 14, 2, 8},
  382. { 19200000, 216000000, 360, 16, 2, 8},
  383. { 26000000, 216000000, 432, 26, 2, 8},
  384. { 0, 0, 0, 0, 0, 0 },
  385. };
  386. static struct tegra_clk_pll_freq_table pll_a_freq_table[] = {
  387. { 9600000, 564480000, 294, 5, 1, 4},
  388. { 9600000, 552960000, 288, 5, 1, 4},
  389. { 9600000, 24000000, 5, 2, 1, 1},
  390. { 28800000, 56448000, 49, 25, 1, 1},
  391. { 28800000, 73728000, 64, 25, 1, 1},
  392. { 28800000, 24000000, 5, 6, 1, 1},
  393. { 0, 0, 0, 0, 0, 0 },
  394. };
  395. static struct tegra_clk_pll_freq_table pll_d_freq_table[] = {
  396. { 12000000, 216000000, 216, 12, 1, 4},
  397. { 13000000, 216000000, 216, 13, 1, 4},
  398. { 16800000, 216000000, 180, 14, 1, 4},
  399. { 19200000, 216000000, 180, 16, 1, 4},
  400. { 26000000, 216000000, 216, 26, 1, 4},
  401. { 12000000, 594000000, 594, 12, 1, 8},
  402. { 13000000, 594000000, 594, 13, 1, 8},
  403. { 16800000, 594000000, 495, 14, 1, 8},
  404. { 19200000, 594000000, 495, 16, 1, 8},
  405. { 26000000, 594000000, 594, 26, 1, 8},
  406. { 12000000, 1000000000, 1000, 12, 1, 12},
  407. { 13000000, 1000000000, 1000, 13, 1, 12},
  408. { 19200000, 1000000000, 625, 12, 1, 8},
  409. { 26000000, 1000000000, 1000, 26, 1, 12},
  410. { 0, 0, 0, 0, 0, 0 },
  411. };
  412. static struct tegra_clk_pll_freq_table pll_u_freq_table[] = {
  413. { 12000000, 480000000, 960, 12, 2, 12},
  414. { 13000000, 480000000, 960, 13, 2, 12},
  415. { 16800000, 480000000, 400, 7, 2, 5},
  416. { 19200000, 480000000, 200, 4, 2, 3},
  417. { 26000000, 480000000, 960, 26, 2, 12},
  418. { 0, 0, 0, 0, 0, 0 },
  419. };
  420. static struct tegra_clk_pll_freq_table pll_x_freq_table[] = {
  421. /* 1.7 GHz */
  422. { 12000000, 1700000000, 850, 6, 1, 8},
  423. { 13000000, 1700000000, 915, 7, 1, 8}, /* actual: 1699.2 MHz */
  424. { 16800000, 1700000000, 708, 7, 1, 8}, /* actual: 1699.2 MHz */
  425. { 19200000, 1700000000, 885, 10, 1, 8}, /* actual: 1699.2 MHz */
  426. { 26000000, 1700000000, 850, 13, 1, 8},
  427. /* 1.6 GHz */
  428. { 12000000, 1600000000, 800, 6, 1, 8},
  429. { 13000000, 1600000000, 738, 6, 1, 8}, /* actual: 1599.0 MHz */
  430. { 16800000, 1600000000, 857, 9, 1, 8}, /* actual: 1599.7 MHz */
  431. { 19200000, 1600000000, 500, 6, 1, 8},
  432. { 26000000, 1600000000, 800, 13, 1, 8},
  433. /* 1.5 GHz */
  434. { 12000000, 1500000000, 750, 6, 1, 8},
  435. { 13000000, 1500000000, 923, 8, 1, 8}, /* actual: 1499.8 MHz */
  436. { 16800000, 1500000000, 625, 7, 1, 8},
  437. { 19200000, 1500000000, 625, 8, 1, 8},
  438. { 26000000, 1500000000, 750, 13, 1, 8},
  439. /* 1.4 GHz */
  440. { 12000000, 1400000000, 700, 6, 1, 8},
  441. { 13000000, 1400000000, 969, 9, 1, 8}, /* actual: 1399.7 MHz */
  442. { 16800000, 1400000000, 1000, 12, 1, 8},
  443. { 19200000, 1400000000, 875, 12, 1, 8},
  444. { 26000000, 1400000000, 700, 13, 1, 8},
  445. /* 1.3 GHz */
  446. { 12000000, 1300000000, 975, 9, 1, 8},
  447. { 13000000, 1300000000, 1000, 10, 1, 8},
  448. { 16800000, 1300000000, 928, 12, 1, 8}, /* actual: 1299.2 MHz */
  449. { 19200000, 1300000000, 812, 12, 1, 8}, /* actual: 1299.2 MHz */
  450. { 26000000, 1300000000, 650, 13, 1, 8},
  451. /* 1.2 GHz */
  452. { 12000000, 1200000000, 1000, 10, 1, 8},
  453. { 13000000, 1200000000, 923, 10, 1, 8}, /* actual: 1199.9 MHz */
  454. { 16800000, 1200000000, 1000, 14, 1, 8},
  455. { 19200000, 1200000000, 1000, 16, 1, 8},
  456. { 26000000, 1200000000, 600, 13, 1, 8},
  457. /* 1.1 GHz */
  458. { 12000000, 1100000000, 825, 9, 1, 8},
  459. { 13000000, 1100000000, 846, 10, 1, 8}, /* actual: 1099.8 MHz */
  460. { 16800000, 1100000000, 982, 15, 1, 8}, /* actual: 1099.8 MHz */
  461. { 19200000, 1100000000, 859, 15, 1, 8}, /* actual: 1099.5 MHz */
  462. { 26000000, 1100000000, 550, 13, 1, 8},
  463. /* 1 GHz */
  464. { 12000000, 1000000000, 1000, 12, 1, 8},
  465. { 13000000, 1000000000, 1000, 13, 1, 8},
  466. { 16800000, 1000000000, 833, 14, 1, 8}, /* actual: 999.6 MHz */
  467. { 19200000, 1000000000, 625, 12, 1, 8},
  468. { 26000000, 1000000000, 1000, 26, 1, 8},
  469. { 0, 0, 0, 0, 0, 0 },
  470. };
  471. static struct tegra_clk_pll_freq_table pll_e_freq_table[] = {
  472. /* PLLE special case: use cpcon field to store cml divider value */
  473. { 12000000, 100000000, 150, 1, 18, 11},
  474. { 216000000, 100000000, 200, 18, 24, 13},
  475. { 0, 0, 0, 0, 0, 0 },
  476. };
  477. /* PLL parameters */
  478. static struct tegra_clk_pll_params pll_c_params = {
  479. .input_min = 2000000,
  480. .input_max = 31000000,
  481. .cf_min = 1000000,
  482. .cf_max = 6000000,
  483. .vco_min = 20000000,
  484. .vco_max = 1400000000,
  485. .base_reg = PLLC_BASE,
  486. .misc_reg = PLLC_MISC,
  487. .lock_bit_idx = PLL_BASE_LOCK,
  488. .lock_enable_bit_idx = PLL_MISC_LOCK_ENABLE,
  489. .lock_delay = 300,
  490. };
  491. static struct tegra_clk_pll_params pll_m_params = {
  492. .input_min = 2000000,
  493. .input_max = 31000000,
  494. .cf_min = 1000000,
  495. .cf_max = 6000000,
  496. .vco_min = 20000000,
  497. .vco_max = 1200000000,
  498. .base_reg = PLLM_BASE,
  499. .misc_reg = PLLM_MISC,
  500. .lock_bit_idx = PLL_BASE_LOCK,
  501. .lock_enable_bit_idx = PLL_MISC_LOCK_ENABLE,
  502. .lock_delay = 300,
  503. };
  504. static struct tegra_clk_pll_params pll_p_params = {
  505. .input_min = 2000000,
  506. .input_max = 31000000,
  507. .cf_min = 1000000,
  508. .cf_max = 6000000,
  509. .vco_min = 20000000,
  510. .vco_max = 1400000000,
  511. .base_reg = PLLP_BASE,
  512. .misc_reg = PLLP_MISC,
  513. .lock_bit_idx = PLL_BASE_LOCK,
  514. .lock_enable_bit_idx = PLL_MISC_LOCK_ENABLE,
  515. .lock_delay = 300,
  516. };
  517. static struct tegra_clk_pll_params pll_a_params = {
  518. .input_min = 2000000,
  519. .input_max = 31000000,
  520. .cf_min = 1000000,
  521. .cf_max = 6000000,
  522. .vco_min = 20000000,
  523. .vco_max = 1400000000,
  524. .base_reg = PLLA_BASE,
  525. .misc_reg = PLLA_MISC,
  526. .lock_bit_idx = PLL_BASE_LOCK,
  527. .lock_enable_bit_idx = PLL_MISC_LOCK_ENABLE,
  528. .lock_delay = 300,
  529. };
  530. static struct tegra_clk_pll_params pll_d_params = {
  531. .input_min = 2000000,
  532. .input_max = 40000000,
  533. .cf_min = 1000000,
  534. .cf_max = 6000000,
  535. .vco_min = 40000000,
  536. .vco_max = 1000000000,
  537. .base_reg = PLLD_BASE,
  538. .misc_reg = PLLD_MISC,
  539. .lock_bit_idx = PLL_BASE_LOCK,
  540. .lock_enable_bit_idx = PLLDU_MISC_LOCK_ENABLE,
  541. .lock_delay = 1000,
  542. };
  543. static struct tegra_clk_pll_params pll_d2_params = {
  544. .input_min = 2000000,
  545. .input_max = 40000000,
  546. .cf_min = 1000000,
  547. .cf_max = 6000000,
  548. .vco_min = 40000000,
  549. .vco_max = 1000000000,
  550. .base_reg = PLLD2_BASE,
  551. .misc_reg = PLLD2_MISC,
  552. .lock_bit_idx = PLL_BASE_LOCK,
  553. .lock_enable_bit_idx = PLLDU_MISC_LOCK_ENABLE,
  554. .lock_delay = 1000,
  555. };
  556. static struct tegra_clk_pll_params pll_u_params = {
  557. .input_min = 2000000,
  558. .input_max = 40000000,
  559. .cf_min = 1000000,
  560. .cf_max = 6000000,
  561. .vco_min = 48000000,
  562. .vco_max = 960000000,
  563. .base_reg = PLLU_BASE,
  564. .misc_reg = PLLU_MISC,
  565. .lock_bit_idx = PLL_BASE_LOCK,
  566. .lock_enable_bit_idx = PLLDU_MISC_LOCK_ENABLE,
  567. .lock_delay = 1000,
  568. };
  569. static struct tegra_clk_pll_params pll_x_params = {
  570. .input_min = 2000000,
  571. .input_max = 31000000,
  572. .cf_min = 1000000,
  573. .cf_max = 6000000,
  574. .vco_min = 20000000,
  575. .vco_max = 1700000000,
  576. .base_reg = PLLX_BASE,
  577. .misc_reg = PLLX_MISC,
  578. .lock_bit_idx = PLL_BASE_LOCK,
  579. .lock_enable_bit_idx = PLL_MISC_LOCK_ENABLE,
  580. .lock_delay = 300,
  581. };
  582. static struct tegra_clk_pll_params pll_e_params = {
  583. .input_min = 12000000,
  584. .input_max = 216000000,
  585. .cf_min = 12000000,
  586. .cf_max = 12000000,
  587. .vco_min = 1200000000,
  588. .vco_max = 2400000000U,
  589. .base_reg = PLLE_BASE,
  590. .misc_reg = PLLE_MISC,
  591. .lock_bit_idx = PLLE_MISC_LOCK,
  592. .lock_enable_bit_idx = PLLE_MISC_LOCK_ENABLE,
  593. .lock_delay = 300,
  594. };
  595. /* Peripheral clock registers */
  596. static struct tegra_clk_periph_regs periph_l_regs = {
  597. .enb_reg = CLK_OUT_ENB_L,
  598. .enb_set_reg = CLK_OUT_ENB_SET_L,
  599. .enb_clr_reg = CLK_OUT_ENB_CLR_L,
  600. .rst_reg = RST_DEVICES_L,
  601. .rst_set_reg = RST_DEVICES_SET_L,
  602. .rst_clr_reg = RST_DEVICES_CLR_L,
  603. };
  604. static struct tegra_clk_periph_regs periph_h_regs = {
  605. .enb_reg = CLK_OUT_ENB_H,
  606. .enb_set_reg = CLK_OUT_ENB_SET_H,
  607. .enb_clr_reg = CLK_OUT_ENB_CLR_H,
  608. .rst_reg = RST_DEVICES_H,
  609. .rst_set_reg = RST_DEVICES_SET_H,
  610. .rst_clr_reg = RST_DEVICES_CLR_H,
  611. };
  612. static struct tegra_clk_periph_regs periph_u_regs = {
  613. .enb_reg = CLK_OUT_ENB_U,
  614. .enb_set_reg = CLK_OUT_ENB_SET_U,
  615. .enb_clr_reg = CLK_OUT_ENB_CLR_U,
  616. .rst_reg = RST_DEVICES_U,
  617. .rst_set_reg = RST_DEVICES_SET_U,
  618. .rst_clr_reg = RST_DEVICES_CLR_U,
  619. };
  620. static struct tegra_clk_periph_regs periph_v_regs = {
  621. .enb_reg = CLK_OUT_ENB_V,
  622. .enb_set_reg = CLK_OUT_ENB_SET_V,
  623. .enb_clr_reg = CLK_OUT_ENB_CLR_V,
  624. .rst_reg = RST_DEVICES_V,
  625. .rst_set_reg = RST_DEVICES_SET_V,
  626. .rst_clr_reg = RST_DEVICES_CLR_V,
  627. };
  628. static struct tegra_clk_periph_regs periph_w_regs = {
  629. .enb_reg = CLK_OUT_ENB_W,
  630. .enb_set_reg = CLK_OUT_ENB_SET_W,
  631. .enb_clr_reg = CLK_OUT_ENB_CLR_W,
  632. .rst_reg = RST_DEVICES_W,
  633. .rst_set_reg = RST_DEVICES_SET_W,
  634. .rst_clr_reg = RST_DEVICES_CLR_W,
  635. };
  636. static void tegra30_clk_measure_input_freq(void)
  637. {
  638. u32 osc_ctrl = readl_relaxed(clk_base + OSC_CTRL);
  639. u32 auto_clk_control = osc_ctrl & OSC_CTRL_OSC_FREQ_MASK;
  640. u32 pll_ref_div = osc_ctrl & OSC_CTRL_PLL_REF_DIV_MASK;
  641. switch (auto_clk_control) {
  642. case OSC_CTRL_OSC_FREQ_12MHZ:
  643. BUG_ON(pll_ref_div != OSC_CTRL_PLL_REF_DIV_1);
  644. input_freq = 12000000;
  645. break;
  646. case OSC_CTRL_OSC_FREQ_13MHZ:
  647. BUG_ON(pll_ref_div != OSC_CTRL_PLL_REF_DIV_1);
  648. input_freq = 13000000;
  649. break;
  650. case OSC_CTRL_OSC_FREQ_19_2MHZ:
  651. BUG_ON(pll_ref_div != OSC_CTRL_PLL_REF_DIV_1);
  652. input_freq = 19200000;
  653. break;
  654. case OSC_CTRL_OSC_FREQ_26MHZ:
  655. BUG_ON(pll_ref_div != OSC_CTRL_PLL_REF_DIV_1);
  656. input_freq = 26000000;
  657. break;
  658. case OSC_CTRL_OSC_FREQ_16_8MHZ:
  659. BUG_ON(pll_ref_div != OSC_CTRL_PLL_REF_DIV_1);
  660. input_freq = 16800000;
  661. break;
  662. case OSC_CTRL_OSC_FREQ_38_4MHZ:
  663. BUG_ON(pll_ref_div != OSC_CTRL_PLL_REF_DIV_2);
  664. input_freq = 38400000;
  665. break;
  666. case OSC_CTRL_OSC_FREQ_48MHZ:
  667. BUG_ON(pll_ref_div != OSC_CTRL_PLL_REF_DIV_4);
  668. input_freq = 48000000;
  669. break;
  670. default:
  671. pr_err("Unexpected auto clock control value %d",
  672. auto_clk_control);
  673. BUG();
  674. return;
  675. }
  676. }
  677. static unsigned int tegra30_get_pll_ref_div(void)
  678. {
  679. u32 pll_ref_div = readl_relaxed(clk_base + OSC_CTRL) &
  680. OSC_CTRL_PLL_REF_DIV_MASK;
  681. switch (pll_ref_div) {
  682. case OSC_CTRL_PLL_REF_DIV_1:
  683. return 1;
  684. case OSC_CTRL_PLL_REF_DIV_2:
  685. return 2;
  686. case OSC_CTRL_PLL_REF_DIV_4:
  687. return 4;
  688. default:
  689. pr_err("Invalid pll ref divider %d", pll_ref_div);
  690. BUG();
  691. }
  692. return 0;
  693. }
  694. static void tegra30_utmi_param_configure(void)
  695. {
  696. u32 reg;
  697. int i;
  698. for (i = 0; i < ARRAY_SIZE(utmi_parameters); i++) {
  699. if (input_freq == utmi_parameters[i].osc_frequency)
  700. break;
  701. }
  702. if (i >= ARRAY_SIZE(utmi_parameters)) {
  703. pr_err("%s: Unexpected input rate %lu\n", __func__, input_freq);
  704. return;
  705. }
  706. reg = readl_relaxed(clk_base + UTMIP_PLL_CFG2);
  707. /* Program UTMIP PLL stable and active counts */
  708. reg &= ~UTMIP_PLL_CFG2_STABLE_COUNT(~0);
  709. reg |= UTMIP_PLL_CFG2_STABLE_COUNT(
  710. utmi_parameters[i].stable_count);
  711. reg &= ~UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT(~0);
  712. reg |= UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT(
  713. utmi_parameters[i].active_delay_count);
  714. /* Remove power downs from UTMIP PLL control bits */
  715. reg &= ~UTMIP_PLL_CFG2_FORCE_PD_SAMP_A_POWERDOWN;
  716. reg &= ~UTMIP_PLL_CFG2_FORCE_PD_SAMP_B_POWERDOWN;
  717. reg &= ~UTMIP_PLL_CFG2_FORCE_PD_SAMP_C_POWERDOWN;
  718. writel_relaxed(reg, clk_base + UTMIP_PLL_CFG2);
  719. /* Program UTMIP PLL delay and oscillator frequency counts */
  720. reg = readl_relaxed(clk_base + UTMIP_PLL_CFG1);
  721. reg &= ~UTMIP_PLL_CFG1_ENABLE_DLY_COUNT(~0);
  722. reg |= UTMIP_PLL_CFG1_ENABLE_DLY_COUNT(
  723. utmi_parameters[i].enable_delay_count);
  724. reg &= ~UTMIP_PLL_CFG1_XTAL_FREQ_COUNT(~0);
  725. reg |= UTMIP_PLL_CFG1_XTAL_FREQ_COUNT(
  726. utmi_parameters[i].xtal_freq_count);
  727. /* Remove power downs from UTMIP PLL control bits */
  728. reg &= ~UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERDOWN;
  729. reg &= ~UTMIP_PLL_CFG1_FORCE_PLL_ACTIVE_POWERDOWN;
  730. reg &= ~UTMIP_PLL_CFG1_FORCE_PLLU_POWERDOWN;
  731. writel_relaxed(reg, clk_base + UTMIP_PLL_CFG1);
  732. }
  733. static const char *pll_e_parents[] = {"pll_ref", "pll_p"};
  734. static void __init tegra30_pll_init(void)
  735. {
  736. struct clk *clk;
  737. /* PLLC */
  738. clk = tegra_clk_register_pll("pll_c", "pll_ref", clk_base, pmc_base, 0,
  739. 0, &pll_c_params,
  740. TEGRA_PLL_HAS_CPCON | TEGRA_PLL_USE_LOCK,
  741. pll_c_freq_table, NULL);
  742. clk_register_clkdev(clk, "pll_c", NULL);
  743. clks[pll_c] = clk;
  744. /* PLLC_OUT1 */
  745. clk = tegra_clk_register_divider("pll_c_out1_div", "pll_c",
  746. clk_base + PLLC_OUT, 0, TEGRA_DIVIDER_ROUND_UP,
  747. 8, 8, 1, NULL);
  748. clk = tegra_clk_register_pll_out("pll_c_out1", "pll_c_out1_div",
  749. clk_base + PLLC_OUT, 1, 0, CLK_SET_RATE_PARENT,
  750. 0, NULL);
  751. clk_register_clkdev(clk, "pll_c_out1", NULL);
  752. clks[pll_c_out1] = clk;
  753. /* PLLP */
  754. clk = tegra_clk_register_pll("pll_p", "pll_ref", clk_base, pmc_base, 0,
  755. 408000000, &pll_p_params,
  756. TEGRA_PLL_FIXED | TEGRA_PLL_HAS_CPCON |
  757. TEGRA_PLL_USE_LOCK, pll_p_freq_table, NULL);
  758. clk_register_clkdev(clk, "pll_p", NULL);
  759. clks[pll_p] = clk;
  760. /* PLLP_OUT1 */
  761. clk = tegra_clk_register_divider("pll_p_out1_div", "pll_p",
  762. clk_base + PLLP_OUTA, 0, TEGRA_DIVIDER_FIXED |
  763. TEGRA_DIVIDER_ROUND_UP, 8, 8, 1,
  764. &pll_div_lock);
  765. clk = tegra_clk_register_pll_out("pll_p_out1", "pll_p_out1_div",
  766. clk_base + PLLP_OUTA, 1, 0,
  767. CLK_IGNORE_UNUSED | CLK_SET_RATE_PARENT, 0,
  768. &pll_div_lock);
  769. clk_register_clkdev(clk, "pll_p_out1", NULL);
  770. clks[pll_p_out1] = clk;
  771. /* PLLP_OUT2 */
  772. clk = tegra_clk_register_divider("pll_p_out2_div", "pll_p",
  773. clk_base + PLLP_OUTA, 0, TEGRA_DIVIDER_FIXED |
  774. TEGRA_DIVIDER_ROUND_UP, 24, 8, 1,
  775. &pll_div_lock);
  776. clk = tegra_clk_register_pll_out("pll_p_out2", "pll_p_out2_div",
  777. clk_base + PLLP_OUTA, 17, 16,
  778. CLK_IGNORE_UNUSED | CLK_SET_RATE_PARENT, 0,
  779. &pll_div_lock);
  780. clk_register_clkdev(clk, "pll_p_out2", NULL);
  781. clks[pll_p_out2] = clk;
  782. /* PLLP_OUT3 */
  783. clk = tegra_clk_register_divider("pll_p_out3_div", "pll_p",
  784. clk_base + PLLP_OUTB, 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_out3", "pll_p_out3_div",
  788. clk_base + PLLP_OUTB, 1, 0,
  789. CLK_IGNORE_UNUSED | CLK_SET_RATE_PARENT, 0,
  790. &pll_div_lock);
  791. clk_register_clkdev(clk, "pll_p_out3", NULL);
  792. clks[pll_p_out3] = clk;
  793. /* PLLP_OUT4 */
  794. clk = tegra_clk_register_divider("pll_p_out4_div", "pll_p",
  795. clk_base + PLLP_OUTB, 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_out4", "pll_p_out4_div",
  799. clk_base + PLLP_OUTB, 17, 16,
  800. CLK_IGNORE_UNUSED | CLK_SET_RATE_PARENT, 0,
  801. &pll_div_lock);
  802. clk_register_clkdev(clk, "pll_p_out4", NULL);
  803. clks[pll_p_out4] = clk;
  804. /* PLLM */
  805. clk = tegra_clk_register_pll("pll_m", "pll_ref", clk_base, pmc_base,
  806. CLK_IGNORE_UNUSED | CLK_SET_RATE_GATE, 0,
  807. &pll_m_params, TEGRA_PLLM | TEGRA_PLL_HAS_CPCON |
  808. TEGRA_PLL_SET_DCCON | TEGRA_PLL_USE_LOCK,
  809. pll_m_freq_table, NULL);
  810. clk_register_clkdev(clk, "pll_m", NULL);
  811. clks[pll_m] = clk;
  812. /* PLLM_OUT1 */
  813. clk = tegra_clk_register_divider("pll_m_out1_div", "pll_m",
  814. clk_base + PLLM_OUT, 0, TEGRA_DIVIDER_ROUND_UP,
  815. 8, 8, 1, NULL);
  816. clk = tegra_clk_register_pll_out("pll_m_out1", "pll_m_out1_div",
  817. clk_base + PLLM_OUT, 1, 0, CLK_IGNORE_UNUSED |
  818. CLK_SET_RATE_PARENT, 0, NULL);
  819. clk_register_clkdev(clk, "pll_m_out1", NULL);
  820. clks[pll_m_out1] = clk;
  821. /* PLLX */
  822. clk = tegra_clk_register_pll("pll_x", "pll_ref", clk_base, pmc_base, 0,
  823. 0, &pll_x_params, TEGRA_PLL_HAS_CPCON |
  824. TEGRA_PLL_SET_DCCON | TEGRA_PLL_USE_LOCK,
  825. pll_x_freq_table, NULL);
  826. clk_register_clkdev(clk, "pll_x", NULL);
  827. clks[pll_x] = clk;
  828. /* PLLX_OUT0 */
  829. clk = clk_register_fixed_factor(NULL, "pll_x_out0", "pll_x",
  830. CLK_SET_RATE_PARENT, 1, 2);
  831. clk_register_clkdev(clk, "pll_x_out0", NULL);
  832. clks[pll_x_out0] = clk;
  833. /* PLLU */
  834. clk = tegra_clk_register_pll("pll_u", "pll_ref", clk_base, pmc_base, 0,
  835. 0, &pll_u_params, TEGRA_PLLU | TEGRA_PLL_HAS_CPCON |
  836. TEGRA_PLL_SET_LFCON | TEGRA_PLL_USE_LOCK,
  837. pll_u_freq_table,
  838. NULL);
  839. clk_register_clkdev(clk, "pll_u", NULL);
  840. clks[pll_u] = clk;
  841. tegra30_utmi_param_configure();
  842. /* PLLD */
  843. clk = tegra_clk_register_pll("pll_d", "pll_ref", clk_base, pmc_base, 0,
  844. 0, &pll_d_params, TEGRA_PLL_HAS_CPCON |
  845. TEGRA_PLL_SET_LFCON | TEGRA_PLL_USE_LOCK,
  846. pll_d_freq_table, &pll_d_lock);
  847. clk_register_clkdev(clk, "pll_d", NULL);
  848. clks[pll_d] = clk;
  849. /* PLLD_OUT0 */
  850. clk = clk_register_fixed_factor(NULL, "pll_d_out0", "pll_d",
  851. CLK_SET_RATE_PARENT, 1, 2);
  852. clk_register_clkdev(clk, "pll_d_out0", NULL);
  853. clks[pll_d_out0] = clk;
  854. /* PLLD2 */
  855. clk = tegra_clk_register_pll("pll_d2", "pll_ref", clk_base, pmc_base, 0,
  856. 0, &pll_d2_params, TEGRA_PLL_HAS_CPCON |
  857. TEGRA_PLL_SET_LFCON | TEGRA_PLL_USE_LOCK,
  858. pll_d_freq_table, NULL);
  859. clk_register_clkdev(clk, "pll_d2", NULL);
  860. clks[pll_d2] = clk;
  861. /* PLLD2_OUT0 */
  862. clk = clk_register_fixed_factor(NULL, "pll_d2_out0", "pll_d2",
  863. CLK_SET_RATE_PARENT, 1, 2);
  864. clk_register_clkdev(clk, "pll_d2_out0", NULL);
  865. clks[pll_d2_out0] = clk;
  866. /* PLLA */
  867. clk = tegra_clk_register_pll("pll_a", "pll_p_out1", clk_base, pmc_base,
  868. 0, 0, &pll_a_params, TEGRA_PLL_HAS_CPCON |
  869. TEGRA_PLL_USE_LOCK, pll_a_freq_table, NULL);
  870. clk_register_clkdev(clk, "pll_a", NULL);
  871. clks[pll_a] = clk;
  872. /* PLLA_OUT0 */
  873. clk = tegra_clk_register_divider("pll_a_out0_div", "pll_a",
  874. clk_base + PLLA_OUT, 0, TEGRA_DIVIDER_ROUND_UP,
  875. 8, 8, 1, NULL);
  876. clk = tegra_clk_register_pll_out("pll_a_out0", "pll_a_out0_div",
  877. clk_base + PLLA_OUT, 1, 0, CLK_IGNORE_UNUSED |
  878. CLK_SET_RATE_PARENT, 0, NULL);
  879. clk_register_clkdev(clk, "pll_a_out0", NULL);
  880. clks[pll_a_out0] = clk;
  881. /* PLLE */
  882. clk = clk_register_mux(NULL, "pll_e_mux", pll_e_parents,
  883. ARRAY_SIZE(pll_e_parents), 0,
  884. clk_base + PLLE_AUX, 2, 1, 0, NULL);
  885. clk = tegra_clk_register_plle("pll_e", "pll_e_mux", clk_base, pmc_base,
  886. CLK_GET_RATE_NOCACHE, 100000000, &pll_e_params,
  887. TEGRA_PLLE_CONFIGURE, pll_e_freq_table, NULL);
  888. clk_register_clkdev(clk, "pll_e", NULL);
  889. clks[pll_e] = clk;
  890. }
  891. static const char *mux_audio_sync_clk[] = { "spdif_in_sync", "i2s0_sync",
  892. "i2s1_sync", "i2s2_sync", "i2s3_sync", "i2s4_sync", "vimclk_sync",};
  893. static const char *clk_out1_parents[] = { "clk_m", "clk_m_div2",
  894. "clk_m_div4", "extern1", };
  895. static const char *clk_out2_parents[] = { "clk_m", "clk_m_div2",
  896. "clk_m_div4", "extern2", };
  897. static const char *clk_out3_parents[] = { "clk_m", "clk_m_div2",
  898. "clk_m_div4", "extern3", };
  899. static void __init tegra30_audio_clk_init(void)
  900. {
  901. struct clk *clk;
  902. /* spdif_in_sync */
  903. clk = tegra_clk_register_sync_source("spdif_in_sync", 24000000,
  904. 24000000);
  905. clk_register_clkdev(clk, "spdif_in_sync", NULL);
  906. clks[spdif_in_sync] = clk;
  907. /* i2s0_sync */
  908. clk = tegra_clk_register_sync_source("i2s0_sync", 24000000, 24000000);
  909. clk_register_clkdev(clk, "i2s0_sync", NULL);
  910. clks[i2s0_sync] = clk;
  911. /* i2s1_sync */
  912. clk = tegra_clk_register_sync_source("i2s1_sync", 24000000, 24000000);
  913. clk_register_clkdev(clk, "i2s1_sync", NULL);
  914. clks[i2s1_sync] = clk;
  915. /* i2s2_sync */
  916. clk = tegra_clk_register_sync_source("i2s2_sync", 24000000, 24000000);
  917. clk_register_clkdev(clk, "i2s2_sync", NULL);
  918. clks[i2s2_sync] = clk;
  919. /* i2s3_sync */
  920. clk = tegra_clk_register_sync_source("i2s3_sync", 24000000, 24000000);
  921. clk_register_clkdev(clk, "i2s3_sync", NULL);
  922. clks[i2s3_sync] = clk;
  923. /* i2s4_sync */
  924. clk = tegra_clk_register_sync_source("i2s4_sync", 24000000, 24000000);
  925. clk_register_clkdev(clk, "i2s4_sync", NULL);
  926. clks[i2s4_sync] = clk;
  927. /* vimclk_sync */
  928. clk = tegra_clk_register_sync_source("vimclk_sync", 24000000, 24000000);
  929. clk_register_clkdev(clk, "vimclk_sync", NULL);
  930. clks[vimclk_sync] = clk;
  931. /* audio0 */
  932. clk = clk_register_mux(NULL, "audio0_mux", mux_audio_sync_clk,
  933. ARRAY_SIZE(mux_audio_sync_clk), 0,
  934. clk_base + AUDIO_SYNC_CLK_I2S0, 0, 3, 0, NULL);
  935. clk = clk_register_gate(NULL, "audio0", "audio0_mux", 0,
  936. clk_base + AUDIO_SYNC_CLK_I2S0, 4,
  937. CLK_GATE_SET_TO_DISABLE, NULL);
  938. clk_register_clkdev(clk, "audio0", NULL);
  939. clks[audio0] = clk;
  940. /* audio1 */
  941. clk = clk_register_mux(NULL, "audio1_mux", mux_audio_sync_clk,
  942. ARRAY_SIZE(mux_audio_sync_clk), 0,
  943. clk_base + AUDIO_SYNC_CLK_I2S1, 0, 3, 0, NULL);
  944. clk = clk_register_gate(NULL, "audio1", "audio1_mux", 0,
  945. clk_base + AUDIO_SYNC_CLK_I2S1, 4,
  946. CLK_GATE_SET_TO_DISABLE, NULL);
  947. clk_register_clkdev(clk, "audio1", NULL);
  948. clks[audio1] = clk;
  949. /* audio2 */
  950. clk = clk_register_mux(NULL, "audio2_mux", mux_audio_sync_clk,
  951. ARRAY_SIZE(mux_audio_sync_clk), 0,
  952. clk_base + AUDIO_SYNC_CLK_I2S2, 0, 3, 0, NULL);
  953. clk = clk_register_gate(NULL, "audio2", "audio2_mux", 0,
  954. clk_base + AUDIO_SYNC_CLK_I2S2, 4,
  955. CLK_GATE_SET_TO_DISABLE, NULL);
  956. clk_register_clkdev(clk, "audio2", NULL);
  957. clks[audio2] = clk;
  958. /* audio3 */
  959. clk = clk_register_mux(NULL, "audio3_mux", mux_audio_sync_clk,
  960. ARRAY_SIZE(mux_audio_sync_clk), 0,
  961. clk_base + AUDIO_SYNC_CLK_I2S3, 0, 3, 0, NULL);
  962. clk = clk_register_gate(NULL, "audio3", "audio3_mux", 0,
  963. clk_base + AUDIO_SYNC_CLK_I2S3, 4,
  964. CLK_GATE_SET_TO_DISABLE, NULL);
  965. clk_register_clkdev(clk, "audio3", NULL);
  966. clks[audio3] = clk;
  967. /* audio4 */
  968. clk = clk_register_mux(NULL, "audio4_mux", mux_audio_sync_clk,
  969. ARRAY_SIZE(mux_audio_sync_clk), 0,
  970. clk_base + AUDIO_SYNC_CLK_I2S4, 0, 3, 0, NULL);
  971. clk = clk_register_gate(NULL, "audio4", "audio4_mux", 0,
  972. clk_base + AUDIO_SYNC_CLK_I2S4, 4,
  973. CLK_GATE_SET_TO_DISABLE, NULL);
  974. clk_register_clkdev(clk, "audio4", NULL);
  975. clks[audio4] = clk;
  976. /* spdif */
  977. clk = clk_register_mux(NULL, "spdif_mux", mux_audio_sync_clk,
  978. ARRAY_SIZE(mux_audio_sync_clk), 0,
  979. clk_base + AUDIO_SYNC_CLK_SPDIF, 0, 3, 0, NULL);
  980. clk = clk_register_gate(NULL, "spdif", "spdif_mux", 0,
  981. clk_base + AUDIO_SYNC_CLK_SPDIF, 4,
  982. CLK_GATE_SET_TO_DISABLE, NULL);
  983. clk_register_clkdev(clk, "spdif", NULL);
  984. clks[spdif] = clk;
  985. /* audio0_2x */
  986. clk = clk_register_fixed_factor(NULL, "audio0_doubler", "audio0",
  987. CLK_SET_RATE_PARENT, 2, 1);
  988. clk = tegra_clk_register_divider("audio0_div", "audio0_doubler",
  989. clk_base + AUDIO_SYNC_DOUBLER, 0, 0, 24, 1, 0,
  990. &clk_doubler_lock);
  991. clk = tegra_clk_register_periph_gate("audio0_2x", "audio0_div",
  992. TEGRA_PERIPH_NO_RESET, clk_base,
  993. CLK_SET_RATE_PARENT, 113, &periph_v_regs,
  994. periph_clk_enb_refcnt);
  995. clk_register_clkdev(clk, "audio0_2x", NULL);
  996. clks[audio0_2x] = clk;
  997. /* audio1_2x */
  998. clk = clk_register_fixed_factor(NULL, "audio1_doubler", "audio1",
  999. CLK_SET_RATE_PARENT, 2, 1);
  1000. clk = tegra_clk_register_divider("audio1_div", "audio1_doubler",
  1001. clk_base + AUDIO_SYNC_DOUBLER, 0, 0, 25, 1, 0,
  1002. &clk_doubler_lock);
  1003. clk = tegra_clk_register_periph_gate("audio1_2x", "audio1_div",
  1004. TEGRA_PERIPH_NO_RESET, clk_base,
  1005. CLK_SET_RATE_PARENT, 114, &periph_v_regs,
  1006. periph_clk_enb_refcnt);
  1007. clk_register_clkdev(clk, "audio1_2x", NULL);
  1008. clks[audio1_2x] = clk;
  1009. /* audio2_2x */
  1010. clk = clk_register_fixed_factor(NULL, "audio2_doubler", "audio2",
  1011. CLK_SET_RATE_PARENT, 2, 1);
  1012. clk = tegra_clk_register_divider("audio2_div", "audio2_doubler",
  1013. clk_base + AUDIO_SYNC_DOUBLER, 0, 0, 26, 1, 0,
  1014. &clk_doubler_lock);
  1015. clk = tegra_clk_register_periph_gate("audio2_2x", "audio2_div",
  1016. TEGRA_PERIPH_NO_RESET, clk_base,
  1017. CLK_SET_RATE_PARENT, 115, &periph_v_regs,
  1018. periph_clk_enb_refcnt);
  1019. clk_register_clkdev(clk, "audio2_2x", NULL);
  1020. clks[audio2_2x] = clk;
  1021. /* audio3_2x */
  1022. clk = clk_register_fixed_factor(NULL, "audio3_doubler", "audio3",
  1023. CLK_SET_RATE_PARENT, 2, 1);
  1024. clk = tegra_clk_register_divider("audio3_div", "audio3_doubler",
  1025. clk_base + AUDIO_SYNC_DOUBLER, 0, 0, 27, 1, 0,
  1026. &clk_doubler_lock);
  1027. clk = tegra_clk_register_periph_gate("audio3_2x", "audio3_div",
  1028. TEGRA_PERIPH_NO_RESET, clk_base,
  1029. CLK_SET_RATE_PARENT, 116, &periph_v_regs,
  1030. periph_clk_enb_refcnt);
  1031. clk_register_clkdev(clk, "audio3_2x", NULL);
  1032. clks[audio3_2x] = clk;
  1033. /* audio4_2x */
  1034. clk = clk_register_fixed_factor(NULL, "audio4_doubler", "audio4",
  1035. CLK_SET_RATE_PARENT, 2, 1);
  1036. clk = tegra_clk_register_divider("audio4_div", "audio4_doubler",
  1037. clk_base + AUDIO_SYNC_DOUBLER, 0, 0, 28, 1, 0,
  1038. &clk_doubler_lock);
  1039. clk = tegra_clk_register_periph_gate("audio4_2x", "audio4_div",
  1040. TEGRA_PERIPH_NO_RESET, clk_base,
  1041. CLK_SET_RATE_PARENT, 117, &periph_v_regs,
  1042. periph_clk_enb_refcnt);
  1043. clk_register_clkdev(clk, "audio4_2x", NULL);
  1044. clks[audio4_2x] = clk;
  1045. /* spdif_2x */
  1046. clk = clk_register_fixed_factor(NULL, "spdif_doubler", "spdif",
  1047. CLK_SET_RATE_PARENT, 2, 1);
  1048. clk = tegra_clk_register_divider("spdif_div", "spdif_doubler",
  1049. clk_base + AUDIO_SYNC_DOUBLER, 0, 0, 29, 1, 0,
  1050. &clk_doubler_lock);
  1051. clk = tegra_clk_register_periph_gate("spdif_2x", "spdif_div",
  1052. TEGRA_PERIPH_NO_RESET, clk_base,
  1053. CLK_SET_RATE_PARENT, 118, &periph_v_regs,
  1054. periph_clk_enb_refcnt);
  1055. clk_register_clkdev(clk, "spdif_2x", NULL);
  1056. clks[spdif_2x] = clk;
  1057. }
  1058. static void __init tegra30_pmc_clk_init(void)
  1059. {
  1060. struct clk *clk;
  1061. /* clk_out_1 */
  1062. clk = clk_register_mux(NULL, "clk_out_1_mux", clk_out1_parents,
  1063. ARRAY_SIZE(clk_out1_parents), 0,
  1064. pmc_base + PMC_CLK_OUT_CNTRL, 6, 3, 0,
  1065. &clk_out_lock);
  1066. clks[clk_out_1_mux] = clk;
  1067. clk = clk_register_gate(NULL, "clk_out_1", "clk_out_1_mux", 0,
  1068. pmc_base + PMC_CLK_OUT_CNTRL, 2, 0,
  1069. &clk_out_lock);
  1070. clk_register_clkdev(clk, "extern1", "clk_out_1");
  1071. clks[clk_out_1] = clk;
  1072. /* clk_out_2 */
  1073. clk = clk_register_mux(NULL, "clk_out_2_mux", clk_out2_parents,
  1074. ARRAY_SIZE(clk_out1_parents), 0,
  1075. pmc_base + PMC_CLK_OUT_CNTRL, 14, 3, 0,
  1076. &clk_out_lock);
  1077. clk = clk_register_gate(NULL, "clk_out_2", "clk_out_2_mux", 0,
  1078. pmc_base + PMC_CLK_OUT_CNTRL, 10, 0,
  1079. &clk_out_lock);
  1080. clk_register_clkdev(clk, "extern2", "clk_out_2");
  1081. clks[clk_out_2] = clk;
  1082. /* clk_out_3 */
  1083. clk = clk_register_mux(NULL, "clk_out_3_mux", clk_out3_parents,
  1084. ARRAY_SIZE(clk_out1_parents), 0,
  1085. pmc_base + PMC_CLK_OUT_CNTRL, 22, 3, 0,
  1086. &clk_out_lock);
  1087. clk = clk_register_gate(NULL, "clk_out_3", "clk_out_3_mux", 0,
  1088. pmc_base + PMC_CLK_OUT_CNTRL, 18, 0,
  1089. &clk_out_lock);
  1090. clk_register_clkdev(clk, "extern3", "clk_out_3");
  1091. clks[clk_out_3] = clk;
  1092. /* blink */
  1093. writel_relaxed(0, pmc_base + PMC_BLINK_TIMER);
  1094. clk = clk_register_gate(NULL, "blink_override", "clk_32k", 0,
  1095. pmc_base + PMC_DPD_PADS_ORIDE,
  1096. PMC_DPD_PADS_ORIDE_BLINK_ENB, 0, NULL);
  1097. clk = clk_register_gate(NULL, "blink", "blink_override", 0,
  1098. pmc_base + PMC_CTRL,
  1099. PMC_CTRL_BLINK_ENB, 0, NULL);
  1100. clk_register_clkdev(clk, "blink", NULL);
  1101. clks[blink] = clk;
  1102. }
  1103. static const char *cclk_g_parents[] = { "clk_m", "pll_c", "clk_32k", "pll_m",
  1104. "pll_p_cclkg", "pll_p_out4_cclkg",
  1105. "pll_p_out3_cclkg", "unused", "pll_x" };
  1106. static const char *cclk_lp_parents[] = { "clk_m", "pll_c", "clk_32k", "pll_m",
  1107. "pll_p_cclklp", "pll_p_out4_cclklp",
  1108. "pll_p_out3_cclklp", "unused", "pll_x",
  1109. "pll_x_out0" };
  1110. static const char *sclk_parents[] = { "clk_m", "pll_c_out1", "pll_p_out4",
  1111. "pll_p_out3", "pll_p_out2", "unused",
  1112. "clk_32k", "pll_m_out1" };
  1113. static void __init tegra30_super_clk_init(void)
  1114. {
  1115. struct clk *clk;
  1116. /*
  1117. * Clock input to cclk_g divided from pll_p using
  1118. * U71 divider of cclk_g.
  1119. */
  1120. clk = tegra_clk_register_divider("pll_p_cclkg", "pll_p",
  1121. clk_base + SUPER_CCLKG_DIVIDER, 0,
  1122. TEGRA_DIVIDER_INT, 16, 8, 1, NULL);
  1123. clk_register_clkdev(clk, "pll_p_cclkg", NULL);
  1124. /*
  1125. * Clock input to cclk_g divided from pll_p_out3 using
  1126. * U71 divider of cclk_g.
  1127. */
  1128. clk = tegra_clk_register_divider("pll_p_out3_cclkg", "pll_p_out3",
  1129. clk_base + SUPER_CCLKG_DIVIDER, 0,
  1130. TEGRA_DIVIDER_INT, 16, 8, 1, NULL);
  1131. clk_register_clkdev(clk, "pll_p_out3_cclkg", NULL);
  1132. /*
  1133. * Clock input to cclk_g divided from pll_p_out4 using
  1134. * U71 divider of cclk_g.
  1135. */
  1136. clk = tegra_clk_register_divider("pll_p_out4_cclkg", "pll_p_out4",
  1137. clk_base + SUPER_CCLKG_DIVIDER, 0,
  1138. TEGRA_DIVIDER_INT, 16, 8, 1, NULL);
  1139. clk_register_clkdev(clk, "pll_p_out4_cclkg", NULL);
  1140. /* CCLKG */
  1141. clk = tegra_clk_register_super_mux("cclk_g", cclk_g_parents,
  1142. ARRAY_SIZE(cclk_g_parents),
  1143. CLK_SET_RATE_PARENT,
  1144. clk_base + CCLKG_BURST_POLICY,
  1145. 0, 4, 0, 0, NULL);
  1146. clk_register_clkdev(clk, "cclk_g", NULL);
  1147. clks[cclk_g] = clk;
  1148. /*
  1149. * Clock input to cclk_lp divided from pll_p using
  1150. * U71 divider of cclk_lp.
  1151. */
  1152. clk = tegra_clk_register_divider("pll_p_cclklp", "pll_p",
  1153. clk_base + SUPER_CCLKLP_DIVIDER, 0,
  1154. TEGRA_DIVIDER_INT, 16, 8, 1, NULL);
  1155. clk_register_clkdev(clk, "pll_p_cclklp", NULL);
  1156. /*
  1157. * Clock input to cclk_lp divided from pll_p_out3 using
  1158. * U71 divider of cclk_lp.
  1159. */
  1160. clk = tegra_clk_register_divider("pll_p_out3_cclklp", "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_cclklp", NULL);
  1164. /*
  1165. * Clock input to cclk_lp divided from pll_p_out4 using
  1166. * U71 divider of cclk_lp.
  1167. */
  1168. clk = tegra_clk_register_divider("pll_p_out4_cclklp", "pll_p_out4",
  1169. clk_base + SUPER_CCLKLP_DIVIDER, 0,
  1170. TEGRA_DIVIDER_INT, 16, 8, 1, NULL);
  1171. clk_register_clkdev(clk, "pll_p_out4_cclklp", NULL);
  1172. /* CCLKLP */
  1173. clk = tegra_clk_register_super_mux("cclk_lp", cclk_lp_parents,
  1174. ARRAY_SIZE(cclk_lp_parents),
  1175. CLK_SET_RATE_PARENT,
  1176. clk_base + CCLKLP_BURST_POLICY,
  1177. TEGRA_DIVIDER_2, 4, 8, 9,
  1178. NULL);
  1179. clk_register_clkdev(clk, "cclk_lp", NULL);
  1180. clks[cclk_lp] = clk;
  1181. /* SCLK */
  1182. clk = tegra_clk_register_super_mux("sclk", sclk_parents,
  1183. ARRAY_SIZE(sclk_parents),
  1184. CLK_SET_RATE_PARENT,
  1185. clk_base + SCLK_BURST_POLICY,
  1186. 0, 4, 0, 0, NULL);
  1187. clk_register_clkdev(clk, "sclk", NULL);
  1188. clks[sclk] = clk;
  1189. /* HCLK */
  1190. clk = clk_register_divider(NULL, "hclk_div", "sclk", 0,
  1191. clk_base + SYSTEM_CLK_RATE, 4, 2, 0,
  1192. &sysrate_lock);
  1193. clk = clk_register_gate(NULL, "hclk", "hclk_div", CLK_SET_RATE_PARENT,
  1194. clk_base + SYSTEM_CLK_RATE, 7,
  1195. CLK_GATE_SET_TO_DISABLE, &sysrate_lock);
  1196. clk_register_clkdev(clk, "hclk", NULL);
  1197. clks[hclk] = clk;
  1198. /* PCLK */
  1199. clk = clk_register_divider(NULL, "pclk_div", "hclk", 0,
  1200. clk_base + SYSTEM_CLK_RATE, 0, 2, 0,
  1201. &sysrate_lock);
  1202. clk = clk_register_gate(NULL, "pclk", "pclk_div", CLK_SET_RATE_PARENT,
  1203. clk_base + SYSTEM_CLK_RATE, 3,
  1204. CLK_GATE_SET_TO_DISABLE, &sysrate_lock);
  1205. clk_register_clkdev(clk, "pclk", NULL);
  1206. clks[pclk] = clk;
  1207. /* twd */
  1208. clk = clk_register_fixed_factor(NULL, "twd", "cclk_g",
  1209. CLK_SET_RATE_PARENT, 1, 2);
  1210. clk_register_clkdev(clk, "twd", NULL);
  1211. clks[twd] = clk;
  1212. }
  1213. static const char *mux_pllacp_clkm[] = { "pll_a_out0", "unused", "pll_p",
  1214. "clk_m" };
  1215. static const char *mux_pllpcm_clkm[] = { "pll_p", "pll_c", "pll_m", "clk_m" };
  1216. static const char *mux_pllmcp_clkm[] = { "pll_m", "pll_c", "pll_p", "clk_m" };
  1217. static const char *i2s0_parents[] = { "pll_a_out0", "audio0_2x", "pll_p",
  1218. "clk_m" };
  1219. static const char *i2s1_parents[] = { "pll_a_out0", "audio1_2x", "pll_p",
  1220. "clk_m" };
  1221. static const char *i2s2_parents[] = { "pll_a_out0", "audio2_2x", "pll_p",
  1222. "clk_m" };
  1223. static const char *i2s3_parents[] = { "pll_a_out0", "audio3_2x", "pll_p",
  1224. "clk_m" };
  1225. static const char *i2s4_parents[] = { "pll_a_out0", "audio4_2x", "pll_p",
  1226. "clk_m" };
  1227. static const char *spdif_out_parents[] = { "pll_a_out0", "spdif_2x", "pll_p",
  1228. "clk_m" };
  1229. static const char *spdif_in_parents[] = { "pll_p", "pll_c", "pll_m" };
  1230. static const char *mux_pllpc_clk32k_clkm[] = { "pll_p", "pll_c", "clk_32k",
  1231. "clk_m" };
  1232. static const char *mux_pllpc_clkm_clk32k[] = { "pll_p", "pll_c", "clk_m",
  1233. "clk_32k" };
  1234. static const char *mux_pllmcpa[] = { "pll_m", "pll_c", "pll_p", "pll_a_out0" };
  1235. static const char *mux_pllpdc_clkm[] = { "pll_p", "pll_d_out0", "pll_c",
  1236. "clk_m" };
  1237. static const char *mux_pllp_clkm[] = { "pll_p", "unused", "unused", "clk_m" };
  1238. static const char *mux_pllpmdacd2_clkm[] = { "pll_p", "pll_m", "pll_d_out0",
  1239. "pll_a_out0", "pll_c",
  1240. "pll_d2_out0", "clk_m" };
  1241. static const char *mux_plla_clk32k_pllp_clkm_plle[] = { "pll_a_out0",
  1242. "clk_32k", "pll_p",
  1243. "clk_m", "pll_e" };
  1244. static const char *mux_plld_out0_plld2_out0[] = { "pll_d_out0",
  1245. "pll_d2_out0" };
  1246. static struct tegra_periph_init_data tegra_periph_clk_list[] = {
  1247. TEGRA_INIT_DATA_MUX("i2s0", NULL, "tegra30-i2s.0", i2s0_parents, CLK_SOURCE_I2S0, 30, &periph_l_regs, TEGRA_PERIPH_ON_APB, i2s0),
  1248. TEGRA_INIT_DATA_MUX("i2s1", NULL, "tegra30-i2s.1", i2s1_parents, CLK_SOURCE_I2S1, 11, &periph_l_regs, TEGRA_PERIPH_ON_APB, i2s1),
  1249. TEGRA_INIT_DATA_MUX("i2s2", NULL, "tegra30-i2s.2", i2s2_parents, CLK_SOURCE_I2S2, 18, &periph_l_regs, TEGRA_PERIPH_ON_APB, i2s2),
  1250. TEGRA_INIT_DATA_MUX("i2s3", NULL, "tegra30-i2s.3", i2s3_parents, CLK_SOURCE_I2S3, 101, &periph_v_regs, TEGRA_PERIPH_ON_APB, i2s3),
  1251. TEGRA_INIT_DATA_MUX("i2s4", NULL, "tegra30-i2s.4", i2s4_parents, CLK_SOURCE_I2S4, 102, &periph_v_regs, TEGRA_PERIPH_ON_APB, i2s4),
  1252. 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),
  1253. 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),
  1254. TEGRA_INIT_DATA_MUX("d_audio", "d_audio", "tegra30-ahub", mux_pllacp_clkm, CLK_SOURCE_D_AUDIO, 106, &periph_v_regs, 0, d_audio),
  1255. TEGRA_INIT_DATA_MUX("dam0", NULL, "tegra30-dam.0", mux_pllacp_clkm, CLK_SOURCE_DAM0, 108, &periph_v_regs, 0, dam0),
  1256. TEGRA_INIT_DATA_MUX("dam1", NULL, "tegra30-dam.1", mux_pllacp_clkm, CLK_SOURCE_DAM1, 109, &periph_v_regs, 0, dam1),
  1257. TEGRA_INIT_DATA_MUX("dam2", NULL, "tegra30-dam.2", mux_pllacp_clkm, CLK_SOURCE_DAM2, 110, &periph_v_regs, 0, dam2),
  1258. TEGRA_INIT_DATA_MUX("hda", "hda", "tegra30-hda", mux_pllpcm_clkm, CLK_SOURCE_HDA, 125, &periph_v_regs, 0, hda),
  1259. TEGRA_INIT_DATA_MUX("hda2codec_2x", "hda2codec", "tegra30-hda", mux_pllpcm_clkm, CLK_SOURCE_HDA2CODEC_2X, 111, &periph_v_regs, 0, hda2codec_2x),
  1260. TEGRA_INIT_DATA_MUX("sbc1", NULL, "spi_tegra.0", mux_pllpcm_clkm, CLK_SOURCE_SBC1, 41, &periph_h_regs, TEGRA_PERIPH_ON_APB, sbc1),
  1261. TEGRA_INIT_DATA_MUX("sbc2", NULL, "spi_tegra.1", mux_pllpcm_clkm, CLK_SOURCE_SBC2, 44, &periph_h_regs, TEGRA_PERIPH_ON_APB, sbc2),
  1262. TEGRA_INIT_DATA_MUX("sbc3", NULL, "spi_tegra.2", mux_pllpcm_clkm, CLK_SOURCE_SBC3, 46, &periph_h_regs, TEGRA_PERIPH_ON_APB, sbc3),
  1263. TEGRA_INIT_DATA_MUX("sbc4", NULL, "spi_tegra.3", mux_pllpcm_clkm, CLK_SOURCE_SBC4, 68, &periph_u_regs, TEGRA_PERIPH_ON_APB, sbc4),
  1264. TEGRA_INIT_DATA_MUX("sbc5", NULL, "spi_tegra.4", mux_pllpcm_clkm, CLK_SOURCE_SBC5, 104, &periph_v_regs, TEGRA_PERIPH_ON_APB, sbc5),
  1265. TEGRA_INIT_DATA_MUX("sbc6", NULL, "spi_tegra.5", mux_pllpcm_clkm, CLK_SOURCE_SBC6, 105, &periph_v_regs, TEGRA_PERIPH_ON_APB, sbc6),
  1266. 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),
  1267. TEGRA_INIT_DATA_MUX("sata", NULL, "tegra_sata", mux_pllpcm_clkm, CLK_SOURCE_SATA, 124, &periph_v_regs, TEGRA_PERIPH_ON_APB, sata),
  1268. TEGRA_INIT_DATA_MUX("ndflash", NULL, "tegra_nand", mux_pllpcm_clkm, CLK_SOURCE_NDFLASH, 13, &periph_l_regs, TEGRA_PERIPH_ON_APB, ndflash),
  1269. TEGRA_INIT_DATA_MUX("ndspeed", NULL, "tegra_nand_speed", mux_pllpcm_clkm, CLK_SOURCE_NDSPEED, 80, &periph_u_regs, TEGRA_PERIPH_ON_APB, ndspeed),
  1270. TEGRA_INIT_DATA_MUX("vfir", NULL, "vfir", mux_pllpcm_clkm, CLK_SOURCE_VFIR, 7, &periph_l_regs, TEGRA_PERIPH_ON_APB, vfir),
  1271. TEGRA_INIT_DATA_MUX("csite", NULL, "csite", mux_pllpcm_clkm, CLK_SOURCE_CSITE, 73, &periph_u_regs, TEGRA_PERIPH_ON_APB, csite),
  1272. TEGRA_INIT_DATA_MUX("la", NULL, "la", mux_pllpcm_clkm, CLK_SOURCE_LA, 76, &periph_u_regs, TEGRA_PERIPH_ON_APB, la),
  1273. TEGRA_INIT_DATA_MUX("owr", NULL, "tegra_w1", mux_pllpcm_clkm, CLK_SOURCE_OWR, 71, &periph_u_regs, TEGRA_PERIPH_ON_APB, owr),
  1274. TEGRA_INIT_DATA_MUX("mipi", NULL, "mipi", mux_pllpcm_clkm, CLK_SOURCE_MIPI, 50, &periph_h_regs, TEGRA_PERIPH_ON_APB, mipi),
  1275. TEGRA_INIT_DATA_MUX("tsensor", NULL, "tegra-tsensor", mux_pllpc_clkm_clk32k, CLK_SOURCE_TSENSOR, 100, &periph_v_regs, TEGRA_PERIPH_ON_APB, tsensor),
  1276. TEGRA_INIT_DATA_MUX("i2cslow", NULL, "i2cslow", mux_pllpc_clk32k_clkm, CLK_SOURCE_I2CSLOW, 81, &periph_u_regs, TEGRA_PERIPH_ON_APB, i2cslow),
  1277. TEGRA_INIT_DATA_INT("vde", NULL, "vde", mux_pllpcm_clkm, CLK_SOURCE_VDE, 61, &periph_h_regs, 0, vde),
  1278. TEGRA_INIT_DATA_INT("vi", "vi", "tegra_camera", mux_pllmcpa, CLK_SOURCE_VI, 20, &periph_l_regs, 0, vi),
  1279. TEGRA_INIT_DATA_INT("epp", NULL, "epp", mux_pllmcpa, CLK_SOURCE_EPP, 19, &periph_l_regs, 0, epp),
  1280. TEGRA_INIT_DATA_INT("mpe", NULL, "mpe", mux_pllmcpa, CLK_SOURCE_MPE, 60, &periph_h_regs, 0, mpe),
  1281. TEGRA_INIT_DATA_INT("host1x", NULL, "host1x", mux_pllmcpa, CLK_SOURCE_HOST1X, 28, &periph_l_regs, 0, host1x),
  1282. TEGRA_INIT_DATA_INT("3d", NULL, "3d", mux_pllmcpa, CLK_SOURCE_3D, 24, &periph_l_regs, TEGRA_PERIPH_MANUAL_RESET, gr3d),
  1283. TEGRA_INIT_DATA_INT("3d2", NULL, "3d2", mux_pllmcpa, CLK_SOURCE_3D2, 98, &periph_v_regs, TEGRA_PERIPH_MANUAL_RESET, gr3d2),
  1284. TEGRA_INIT_DATA_INT("2d", NULL, "2d", mux_pllmcpa, CLK_SOURCE_2D, 21, &periph_l_regs, 0, gr2d),
  1285. TEGRA_INIT_DATA_INT("se", NULL, "se", mux_pllpcm_clkm, CLK_SOURCE_SE, 127, &periph_v_regs, 0, se),
  1286. TEGRA_INIT_DATA_MUX("mselect", NULL, "mselect", mux_pllp_clkm, CLK_SOURCE_MSELECT, 99, &periph_v_regs, 0, mselect),
  1287. TEGRA_INIT_DATA_MUX("nor", NULL, "tegra-nor", mux_pllpcm_clkm, CLK_SOURCE_NOR, 42, &periph_h_regs, 0, nor),
  1288. TEGRA_INIT_DATA_MUX("sdmmc1", NULL, "sdhci-tegra.0", mux_pllpcm_clkm, CLK_SOURCE_SDMMC1, 14, &periph_l_regs, 0, sdmmc1),
  1289. TEGRA_INIT_DATA_MUX("sdmmc2", NULL, "sdhci-tegra.1", mux_pllpcm_clkm, CLK_SOURCE_SDMMC2, 9, &periph_l_regs, 0, sdmmc2),
  1290. TEGRA_INIT_DATA_MUX("sdmmc3", NULL, "sdhci-tegra.2", mux_pllpcm_clkm, CLK_SOURCE_SDMMC3, 69, &periph_u_regs, 0, sdmmc3),
  1291. TEGRA_INIT_DATA_MUX("sdmmc4", NULL, "sdhci-tegra.3", mux_pllpcm_clkm, CLK_SOURCE_SDMMC4, 15, &periph_l_regs, 0, sdmmc4),
  1292. TEGRA_INIT_DATA_MUX("cve", NULL, "cve", mux_pllpdc_clkm, CLK_SOURCE_CVE, 49, &periph_h_regs, 0, cve),
  1293. TEGRA_INIT_DATA_MUX("tvo", NULL, "tvo", mux_pllpdc_clkm, CLK_SOURCE_TVO, 49, &periph_h_regs, 0, tvo),
  1294. TEGRA_INIT_DATA_MUX("tvdac", NULL, "tvdac", mux_pllpdc_clkm, CLK_SOURCE_TVDAC, 53, &periph_h_regs, 0, tvdac),
  1295. TEGRA_INIT_DATA_MUX("actmon", NULL, "actmon", mux_pllpc_clk32k_clkm, CLK_SOURCE_ACTMON, 119, &periph_v_regs, 0, actmon),
  1296. 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),
  1297. 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),
  1298. 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),
  1299. 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),
  1300. 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),
  1301. 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),
  1302. TEGRA_INIT_DATA_UART("uarta", NULL, "tegra_uart.0", mux_pllpcm_clkm, CLK_SOURCE_UARTA, 6, &periph_l_regs, uarta),
  1303. TEGRA_INIT_DATA_UART("uartb", NULL, "tegra_uart.1", mux_pllpcm_clkm, CLK_SOURCE_UARTB, 7, &periph_l_regs, uartb),
  1304. TEGRA_INIT_DATA_UART("uartc", NULL, "tegra_uart.2", mux_pllpcm_clkm, CLK_SOURCE_UARTC, 55, &periph_h_regs, uartc),
  1305. TEGRA_INIT_DATA_UART("uartd", NULL, "tegra_uart.3", mux_pllpcm_clkm, CLK_SOURCE_UARTD, 65, &periph_u_regs, uartd),
  1306. TEGRA_INIT_DATA_UART("uarte", NULL, "tegra_uart.4", mux_pllpcm_clkm, CLK_SOURCE_UARTE, 66, &periph_u_regs, uarte),
  1307. TEGRA_INIT_DATA_MUX8("hdmi", NULL, "hdmi", mux_pllpmdacd2_clkm, CLK_SOURCE_HDMI, 51, &periph_h_regs, 0, hdmi),
  1308. TEGRA_INIT_DATA_MUX8("extern1", NULL, "extern1", mux_plla_clk32k_pllp_clkm_plle, CLK_SOURCE_EXTERN1, 120, &periph_v_regs, 0, extern1),
  1309. TEGRA_INIT_DATA_MUX8("extern2", NULL, "extern2", mux_plla_clk32k_pllp_clkm_plle, CLK_SOURCE_EXTERN2, 121, &periph_v_regs, 0, extern2),
  1310. TEGRA_INIT_DATA_MUX8("extern3", NULL, "extern3", mux_plla_clk32k_pllp_clkm_plle, CLK_SOURCE_EXTERN3, 122, &periph_v_regs, 0, extern3),
  1311. 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),
  1312. };
  1313. static struct tegra_periph_init_data tegra_periph_nodiv_clk_list[] = {
  1314. TEGRA_INIT_DATA_NODIV("disp1", NULL, "tegradc.0", mux_pllpmdacd2_clkm, CLK_SOURCE_DISP1, 29, 3, 27, &periph_l_regs, 0, disp1),
  1315. TEGRA_INIT_DATA_NODIV("disp2", NULL, "tegradc.1", mux_pllpmdacd2_clkm, CLK_SOURCE_DISP2, 29, 3, 26, &periph_l_regs, 0, disp2),
  1316. TEGRA_INIT_DATA_NODIV("dsib", NULL, "tegradc.1", mux_plld_out0_plld2_out0, CLK_SOURCE_DSIB, 25, 1, 82, &periph_u_regs, 0, dsib),
  1317. };
  1318. static void __init tegra30_periph_clk_init(void)
  1319. {
  1320. struct tegra_periph_init_data *data;
  1321. struct clk *clk;
  1322. int i;
  1323. /* apbdma */
  1324. clk = tegra_clk_register_periph_gate("apbdma", "clk_m", 0, clk_base, 0, 34,
  1325. &periph_h_regs, periph_clk_enb_refcnt);
  1326. clk_register_clkdev(clk, NULL, "tegra-apbdma");
  1327. clks[apbdma] = clk;
  1328. /* rtc */
  1329. clk = tegra_clk_register_periph_gate("rtc", "clk_32k",
  1330. TEGRA_PERIPH_NO_RESET | TEGRA_PERIPH_ON_APB,
  1331. clk_base, 0, 4, &periph_l_regs,
  1332. periph_clk_enb_refcnt);
  1333. clk_register_clkdev(clk, NULL, "rtc-tegra");
  1334. clks[rtc] = clk;
  1335. /* timer */
  1336. clk = tegra_clk_register_periph_gate("timer", "clk_m", 0, clk_base, 0,
  1337. 5, &periph_l_regs, periph_clk_enb_refcnt);
  1338. clk_register_clkdev(clk, NULL, "timer");
  1339. clks[timer] = clk;
  1340. /* kbc */
  1341. clk = tegra_clk_register_periph_gate("kbc", "clk_32k",
  1342. TEGRA_PERIPH_NO_RESET | TEGRA_PERIPH_ON_APB,
  1343. clk_base, 0, 36, &periph_h_regs,
  1344. periph_clk_enb_refcnt);
  1345. clk_register_clkdev(clk, NULL, "tegra-kbc");
  1346. clks[kbc] = clk;
  1347. /* csus */
  1348. clk = tegra_clk_register_periph_gate("csus", "clk_m",
  1349. TEGRA_PERIPH_NO_RESET | TEGRA_PERIPH_ON_APB,
  1350. clk_base, 0, 92, &periph_u_regs,
  1351. periph_clk_enb_refcnt);
  1352. clk_register_clkdev(clk, "csus", "tengra_camera");
  1353. clks[csus] = clk;
  1354. /* vcp */
  1355. clk = tegra_clk_register_periph_gate("vcp", "clk_m", 0, clk_base, 0, 29,
  1356. &periph_l_regs, periph_clk_enb_refcnt);
  1357. clk_register_clkdev(clk, "vcp", "tegra-avp");
  1358. clks[vcp] = clk;
  1359. /* bsea */
  1360. clk = tegra_clk_register_periph_gate("bsea", "clk_m", 0, clk_base, 0,
  1361. 62, &periph_h_regs, periph_clk_enb_refcnt);
  1362. clk_register_clkdev(clk, "bsea", "tegra-avp");
  1363. clks[bsea] = clk;
  1364. /* bsev */
  1365. clk = tegra_clk_register_periph_gate("bsev", "clk_m", 0, clk_base, 0,
  1366. 63, &periph_h_regs, periph_clk_enb_refcnt);
  1367. clk_register_clkdev(clk, "bsev", "tegra-aes");
  1368. clks[bsev] = clk;
  1369. /* usbd */
  1370. clk = tegra_clk_register_periph_gate("usbd", "clk_m", 0, clk_base, 0,
  1371. 22, &periph_l_regs, periph_clk_enb_refcnt);
  1372. clk_register_clkdev(clk, NULL, "fsl-tegra-udc");
  1373. clks[usbd] = clk;
  1374. /* usb2 */
  1375. clk = tegra_clk_register_periph_gate("usb2", "clk_m", 0, clk_base, 0,
  1376. 58, &periph_h_regs, periph_clk_enb_refcnt);
  1377. clk_register_clkdev(clk, NULL, "tegra-ehci.1");
  1378. clks[usb2] = clk;
  1379. /* usb3 */
  1380. clk = tegra_clk_register_periph_gate("usb3", "clk_m", 0, clk_base, 0,
  1381. 59, &periph_h_regs, periph_clk_enb_refcnt);
  1382. clk_register_clkdev(clk, NULL, "tegra-ehci.2");
  1383. clks[usb3] = clk;
  1384. /* dsia */
  1385. clk = tegra_clk_register_periph_gate("dsia", "pll_d_out0", 0, clk_base,
  1386. 0, 48, &periph_h_regs,
  1387. periph_clk_enb_refcnt);
  1388. clk_register_clkdev(clk, "dsia", "tegradc.0");
  1389. clks[dsia] = clk;
  1390. /* csi */
  1391. clk = tegra_clk_register_periph_gate("csi", "pll_p_out3", 0, clk_base,
  1392. 0, 52, &periph_h_regs,
  1393. periph_clk_enb_refcnt);
  1394. clk_register_clkdev(clk, "csi", "tegra_camera");
  1395. clks[csi] = clk;
  1396. /* isp */
  1397. clk = tegra_clk_register_periph_gate("isp", "clk_m", 0, clk_base, 0, 23,
  1398. &periph_l_regs, periph_clk_enb_refcnt);
  1399. clk_register_clkdev(clk, "isp", "tegra_camera");
  1400. clks[isp] = clk;
  1401. /* pcie */
  1402. clk = tegra_clk_register_periph_gate("pcie", "clk_m", 0, clk_base, 0,
  1403. 70, &periph_u_regs, periph_clk_enb_refcnt);
  1404. clk_register_clkdev(clk, "pcie", "tegra-pcie");
  1405. clks[pcie] = clk;
  1406. /* afi */
  1407. clk = tegra_clk_register_periph_gate("afi", "clk_m", 0, clk_base, 0, 72,
  1408. &periph_u_regs, periph_clk_enb_refcnt);
  1409. clk_register_clkdev(clk, "afi", "tegra-pcie");
  1410. clks[afi] = clk;
  1411. /* kfuse */
  1412. clk = tegra_clk_register_periph_gate("kfuse", "clk_m",
  1413. TEGRA_PERIPH_ON_APB,
  1414. clk_base, 0, 40, &periph_h_regs,
  1415. periph_clk_enb_refcnt);
  1416. clk_register_clkdev(clk, NULL, "kfuse-tegra");
  1417. clks[kfuse] = clk;
  1418. /* fuse */
  1419. clk = tegra_clk_register_periph_gate("fuse", "clk_m",
  1420. TEGRA_PERIPH_ON_APB,
  1421. clk_base, 0, 39, &periph_h_regs,
  1422. periph_clk_enb_refcnt);
  1423. clk_register_clkdev(clk, "fuse", "fuse-tegra");
  1424. clks[fuse] = clk;
  1425. /* fuse_burn */
  1426. clk = tegra_clk_register_periph_gate("fuse_burn", "clk_m",
  1427. TEGRA_PERIPH_ON_APB,
  1428. clk_base, 0, 39, &periph_h_regs,
  1429. periph_clk_enb_refcnt);
  1430. clk_register_clkdev(clk, "fuse_burn", "fuse-tegra");
  1431. clks[fuse_burn] = clk;
  1432. /* apbif */
  1433. clk = tegra_clk_register_periph_gate("apbif", "clk_m", 0,
  1434. clk_base, 0, 107, &periph_v_regs,
  1435. periph_clk_enb_refcnt);
  1436. clk_register_clkdev(clk, "apbif", "tegra30-ahub");
  1437. clks[apbif] = clk;
  1438. /* hda2hdmi */
  1439. clk = tegra_clk_register_periph_gate("hda2hdmi", "clk_m",
  1440. TEGRA_PERIPH_ON_APB,
  1441. clk_base, 0, 128, &periph_w_regs,
  1442. periph_clk_enb_refcnt);
  1443. clk_register_clkdev(clk, "hda2hdmi", "tegra30-hda");
  1444. clks[hda2hdmi] = clk;
  1445. /* sata_cold */
  1446. clk = tegra_clk_register_periph_gate("sata_cold", "clk_m",
  1447. TEGRA_PERIPH_ON_APB,
  1448. clk_base, 0, 129, &periph_w_regs,
  1449. periph_clk_enb_refcnt);
  1450. clk_register_clkdev(clk, NULL, "tegra_sata_cold");
  1451. clks[sata_cold] = clk;
  1452. /* dtv */
  1453. clk = tegra_clk_register_periph_gate("dtv", "clk_m",
  1454. TEGRA_PERIPH_ON_APB,
  1455. clk_base, 0, 79, &periph_u_regs,
  1456. periph_clk_enb_refcnt);
  1457. clk_register_clkdev(clk, NULL, "dtv");
  1458. clks[dtv] = clk;
  1459. /* emc */
  1460. clk = clk_register_mux(NULL, "emc_mux", mux_pllmcp_clkm,
  1461. ARRAY_SIZE(mux_pllmcp_clkm), 0,
  1462. clk_base + CLK_SOURCE_EMC,
  1463. 30, 2, 0, NULL);
  1464. clk = tegra_clk_register_periph_gate("emc", "emc_mux", 0, clk_base, 0,
  1465. 57, &periph_h_regs, periph_clk_enb_refcnt);
  1466. clk_register_clkdev(clk, "emc", NULL);
  1467. clks[emc] = clk;
  1468. for (i = 0; i < ARRAY_SIZE(tegra_periph_clk_list); i++) {
  1469. data = &tegra_periph_clk_list[i];
  1470. clk = tegra_clk_register_periph(data->name, data->parent_names,
  1471. data->num_parents, &data->periph,
  1472. clk_base, data->offset);
  1473. clk_register_clkdev(clk, data->con_id, data->dev_id);
  1474. clks[data->clk_id] = clk;
  1475. }
  1476. for (i = 0; i < ARRAY_SIZE(tegra_periph_nodiv_clk_list); i++) {
  1477. data = &tegra_periph_nodiv_clk_list[i];
  1478. clk = tegra_clk_register_periph_nodiv(data->name,
  1479. data->parent_names,
  1480. data->num_parents, &data->periph,
  1481. clk_base, data->offset);
  1482. clk_register_clkdev(clk, data->con_id, data->dev_id);
  1483. clks[data->clk_id] = clk;
  1484. }
  1485. }
  1486. static void __init tegra30_fixed_clk_init(void)
  1487. {
  1488. struct clk *clk;
  1489. /* clk_32k */
  1490. clk = clk_register_fixed_rate(NULL, "clk_32k", NULL, CLK_IS_ROOT,
  1491. 32768);
  1492. clk_register_clkdev(clk, "clk_32k", NULL);
  1493. clks[clk_32k] = clk;
  1494. /* clk_m_div2 */
  1495. clk = clk_register_fixed_factor(NULL, "clk_m_div2", "clk_m",
  1496. CLK_SET_RATE_PARENT, 1, 2);
  1497. clk_register_clkdev(clk, "clk_m_div2", NULL);
  1498. clks[clk_m_div2] = clk;
  1499. /* clk_m_div4 */
  1500. clk = clk_register_fixed_factor(NULL, "clk_m_div4", "clk_m",
  1501. CLK_SET_RATE_PARENT, 1, 4);
  1502. clk_register_clkdev(clk, "clk_m_div4", NULL);
  1503. clks[clk_m_div4] = clk;
  1504. /* cml0 */
  1505. clk = clk_register_gate(NULL, "cml0", "pll_e", 0, clk_base + PLLE_AUX,
  1506. 0, 0, &cml_lock);
  1507. clk_register_clkdev(clk, "cml0", NULL);
  1508. clks[cml0] = clk;
  1509. /* cml1 */
  1510. clk = clk_register_gate(NULL, "cml1", "pll_e", 0, clk_base + PLLE_AUX,
  1511. 1, 0, &cml_lock);
  1512. clk_register_clkdev(clk, "cml1", NULL);
  1513. clks[cml1] = clk;
  1514. /* pciex */
  1515. clk = clk_register_fixed_rate(NULL, "pciex", "pll_e", 0, 100000000);
  1516. clk_register_clkdev(clk, "pciex", NULL);
  1517. clks[pciex] = clk;
  1518. }
  1519. static void __init tegra30_osc_clk_init(void)
  1520. {
  1521. struct clk *clk;
  1522. unsigned int pll_ref_div;
  1523. tegra30_clk_measure_input_freq();
  1524. /* clk_m */
  1525. clk = clk_register_fixed_rate(NULL, "clk_m", NULL, CLK_IS_ROOT,
  1526. input_freq);
  1527. clk_register_clkdev(clk, "clk_m", NULL);
  1528. clks[clk_m] = clk;
  1529. /* pll_ref */
  1530. pll_ref_div = tegra30_get_pll_ref_div();
  1531. clk = clk_register_fixed_factor(NULL, "pll_ref", "clk_m",
  1532. CLK_SET_RATE_PARENT, 1, pll_ref_div);
  1533. clk_register_clkdev(clk, "pll_ref", NULL);
  1534. clks[pll_ref] = clk;
  1535. }
  1536. /* Tegra30 CPU clock and reset control functions */
  1537. static void tegra30_wait_cpu_in_reset(u32 cpu)
  1538. {
  1539. unsigned int reg;
  1540. do {
  1541. reg = readl(clk_base +
  1542. TEGRA30_CLK_RST_CONTROLLER_CPU_CMPLX_STATUS);
  1543. cpu_relax();
  1544. } while (!(reg & (1 << cpu))); /* check CPU been reset or not */
  1545. return;
  1546. }
  1547. static void tegra30_put_cpu_in_reset(u32 cpu)
  1548. {
  1549. writel(CPU_RESET(cpu),
  1550. clk_base + TEGRA_CLK_RST_CONTROLLER_RST_CPU_CMPLX_SET);
  1551. dmb();
  1552. }
  1553. static void tegra30_cpu_out_of_reset(u32 cpu)
  1554. {
  1555. writel(CPU_RESET(cpu),
  1556. clk_base + TEGRA_CLK_RST_CONTROLLER_RST_CPU_CMPLX_CLR);
  1557. wmb();
  1558. }
  1559. static void tegra30_enable_cpu_clock(u32 cpu)
  1560. {
  1561. unsigned int reg;
  1562. writel(CPU_CLOCK(cpu),
  1563. clk_base + TEGRA30_CLK_RST_CONTROLLER_CLK_CPU_CMPLX_CLR);
  1564. reg = readl(clk_base +
  1565. TEGRA30_CLK_RST_CONTROLLER_CLK_CPU_CMPLX_CLR);
  1566. }
  1567. static void tegra30_disable_cpu_clock(u32 cpu)
  1568. {
  1569. unsigned int reg;
  1570. reg = readl(clk_base + TEGRA_CLK_RST_CONTROLLER_CLK_CPU_CMPLX);
  1571. writel(reg | CPU_CLOCK(cpu),
  1572. clk_base + TEGRA_CLK_RST_CONTROLLER_CLK_CPU_CMPLX);
  1573. }
  1574. #ifdef CONFIG_PM_SLEEP
  1575. static bool tegra30_cpu_rail_off_ready(void)
  1576. {
  1577. unsigned int cpu_rst_status;
  1578. int cpu_pwr_status;
  1579. cpu_rst_status = readl(clk_base +
  1580. TEGRA30_CLK_RST_CONTROLLER_CPU_CMPLX_STATUS);
  1581. cpu_pwr_status = tegra_powergate_is_powered(TEGRA_POWERGATE_CPU1) ||
  1582. tegra_powergate_is_powered(TEGRA_POWERGATE_CPU2) ||
  1583. tegra_powergate_is_powered(TEGRA_POWERGATE_CPU3);
  1584. if (((cpu_rst_status & 0xE) != 0xE) || cpu_pwr_status)
  1585. return false;
  1586. return true;
  1587. }
  1588. static void tegra30_cpu_clock_suspend(void)
  1589. {
  1590. /* switch coresite to clk_m, save off original source */
  1591. tegra30_cpu_clk_sctx.clk_csite_src =
  1592. readl(clk_base + CLK_RESET_SOURCE_CSITE);
  1593. writel(3<<30, clk_base + CLK_RESET_SOURCE_CSITE);
  1594. tegra30_cpu_clk_sctx.cpu_burst =
  1595. readl(clk_base + CLK_RESET_CCLK_BURST);
  1596. tegra30_cpu_clk_sctx.pllx_base =
  1597. readl(clk_base + CLK_RESET_PLLX_BASE);
  1598. tegra30_cpu_clk_sctx.pllx_misc =
  1599. readl(clk_base + CLK_RESET_PLLX_MISC);
  1600. tegra30_cpu_clk_sctx.cclk_divider =
  1601. readl(clk_base + CLK_RESET_CCLK_DIVIDER);
  1602. }
  1603. static void tegra30_cpu_clock_resume(void)
  1604. {
  1605. unsigned int reg, policy;
  1606. /* Is CPU complex already running on PLLX? */
  1607. reg = readl(clk_base + CLK_RESET_CCLK_BURST);
  1608. policy = (reg >> CLK_RESET_CCLK_BURST_POLICY_SHIFT) & 0xF;
  1609. if (policy == CLK_RESET_CCLK_IDLE_POLICY)
  1610. reg = (reg >> CLK_RESET_CCLK_IDLE_POLICY_SHIFT) & 0xF;
  1611. else if (policy == CLK_RESET_CCLK_RUN_POLICY)
  1612. reg = (reg >> CLK_RESET_CCLK_RUN_POLICY_SHIFT) & 0xF;
  1613. else
  1614. BUG();
  1615. if (reg != CLK_RESET_CCLK_BURST_POLICY_PLLX) {
  1616. /* restore PLLX settings if CPU is on different PLL */
  1617. writel(tegra30_cpu_clk_sctx.pllx_misc,
  1618. clk_base + CLK_RESET_PLLX_MISC);
  1619. writel(tegra30_cpu_clk_sctx.pllx_base,
  1620. clk_base + CLK_RESET_PLLX_BASE);
  1621. /* wait for PLL stabilization if PLLX was enabled */
  1622. if (tegra30_cpu_clk_sctx.pllx_base & (1 << 30))
  1623. udelay(300);
  1624. }
  1625. /*
  1626. * Restore original burst policy setting for calls resulting from CPU
  1627. * LP2 in idle or system suspend.
  1628. */
  1629. writel(tegra30_cpu_clk_sctx.cclk_divider,
  1630. clk_base + CLK_RESET_CCLK_DIVIDER);
  1631. writel(tegra30_cpu_clk_sctx.cpu_burst,
  1632. clk_base + CLK_RESET_CCLK_BURST);
  1633. writel(tegra30_cpu_clk_sctx.clk_csite_src,
  1634. clk_base + CLK_RESET_SOURCE_CSITE);
  1635. }
  1636. #endif
  1637. static struct tegra_cpu_car_ops tegra30_cpu_car_ops = {
  1638. .wait_for_reset = tegra30_wait_cpu_in_reset,
  1639. .put_in_reset = tegra30_put_cpu_in_reset,
  1640. .out_of_reset = tegra30_cpu_out_of_reset,
  1641. .enable_clock = tegra30_enable_cpu_clock,
  1642. .disable_clock = tegra30_disable_cpu_clock,
  1643. #ifdef CONFIG_PM_SLEEP
  1644. .rail_off_ready = tegra30_cpu_rail_off_ready,
  1645. .suspend = tegra30_cpu_clock_suspend,
  1646. .resume = tegra30_cpu_clock_resume,
  1647. #endif
  1648. };
  1649. static __initdata struct tegra_clk_init_table init_table[] = {
  1650. {uarta, pll_p, 408000000, 0},
  1651. {uartb, pll_p, 408000000, 0},
  1652. {uartc, pll_p, 408000000, 0},
  1653. {uartd, pll_p, 408000000, 0},
  1654. {uarte, pll_p, 408000000, 0},
  1655. {pll_a, clk_max, 564480000, 1},
  1656. {pll_a_out0, clk_max, 11289600, 1},
  1657. {extern1, pll_a_out0, 0, 1},
  1658. {clk_out_1_mux, extern1, 0, 0},
  1659. {clk_out_1, clk_max, 0, 1},
  1660. {blink, clk_max, 0, 1},
  1661. {i2s0, pll_a_out0, 11289600, 0},
  1662. {i2s1, pll_a_out0, 11289600, 0},
  1663. {i2s2, pll_a_out0, 11289600, 0},
  1664. {i2s3, pll_a_out0, 11289600, 0},
  1665. {i2s4, pll_a_out0, 11289600, 0},
  1666. {sdmmc1, pll_p, 48000000, 0},
  1667. {sdmmc2, pll_p, 48000000, 0},
  1668. {sdmmc3, pll_p, 48000000, 0},
  1669. {pll_m, clk_max, 0, 1},
  1670. {pclk, clk_max, 0, 1},
  1671. {csite, clk_max, 0, 1},
  1672. {emc, clk_max, 0, 1},
  1673. {mselect, clk_max, 0, 1},
  1674. {sbc1, pll_p, 100000000, 0},
  1675. {sbc2, pll_p, 100000000, 0},
  1676. {sbc3, pll_p, 100000000, 0},
  1677. {sbc4, pll_p, 100000000, 0},
  1678. {sbc5, pll_p, 100000000, 0},
  1679. {sbc6, pll_p, 100000000, 0},
  1680. {host1x, pll_c, 150000000, 0},
  1681. {disp1, pll_p, 600000000, 0},
  1682. {disp2, pll_p, 600000000, 0},
  1683. {twd, clk_max, 0, 1},
  1684. {clk_max, clk_max, 0, 0}, /* This MUST be the last entry. */
  1685. };
  1686. /*
  1687. * Some clocks may be used by different drivers depending on the board
  1688. * configuration. List those here to register them twice in the clock lookup
  1689. * table under two names.
  1690. */
  1691. static struct tegra_clk_duplicate tegra_clk_duplicates[] = {
  1692. TEGRA_CLK_DUPLICATE(usbd, "utmip-pad", NULL),
  1693. TEGRA_CLK_DUPLICATE(usbd, "tegra-ehci.0", NULL),
  1694. TEGRA_CLK_DUPLICATE(usbd, "tegra-otg", NULL),
  1695. TEGRA_CLK_DUPLICATE(bsev, "tegra-avp", "bsev"),
  1696. TEGRA_CLK_DUPLICATE(bsev, "nvavp", "bsev"),
  1697. TEGRA_CLK_DUPLICATE(vde, "tegra-aes", "vde"),
  1698. TEGRA_CLK_DUPLICATE(bsea, "tegra-aes", "bsea"),
  1699. TEGRA_CLK_DUPLICATE(bsea, "nvavp", "bsea"),
  1700. TEGRA_CLK_DUPLICATE(cml1, "tegra_sata_cml", NULL),
  1701. TEGRA_CLK_DUPLICATE(cml0, "tegra_pcie", "cml"),
  1702. TEGRA_CLK_DUPLICATE(pciex, "tegra_pcie", "pciex"),
  1703. TEGRA_CLK_DUPLICATE(vcp, "nvavp", "vcp"),
  1704. TEGRA_CLK_DUPLICATE(clk_max, NULL, NULL), /* MUST be the last entry */
  1705. };
  1706. static const struct of_device_id pmc_match[] __initconst = {
  1707. { .compatible = "nvidia,tegra30-pmc" },
  1708. {},
  1709. };
  1710. void __init tegra30_clock_init(struct device_node *np)
  1711. {
  1712. struct device_node *node;
  1713. int i;
  1714. clk_base = of_iomap(np, 0);
  1715. if (!clk_base) {
  1716. pr_err("ioremap tegra30 CAR failed\n");
  1717. return;
  1718. }
  1719. node = of_find_matching_node(NULL, pmc_match);
  1720. if (!node) {
  1721. pr_err("Failed to find pmc node\n");
  1722. BUG();
  1723. }
  1724. pmc_base = of_iomap(node, 0);
  1725. if (!pmc_base) {
  1726. pr_err("Can't map pmc registers\n");
  1727. BUG();
  1728. }
  1729. tegra30_osc_clk_init();
  1730. tegra30_fixed_clk_init();
  1731. tegra30_pll_init();
  1732. tegra30_super_clk_init();
  1733. tegra30_periph_clk_init();
  1734. tegra30_audio_clk_init();
  1735. tegra30_pmc_clk_init();
  1736. for (i = 0; i < ARRAY_SIZE(clks); i++) {
  1737. if (IS_ERR(clks[i])) {
  1738. pr_err("Tegra30 clk %d: register failed with %ld\n",
  1739. i, PTR_ERR(clks[i]));
  1740. BUG();
  1741. }
  1742. if (!clks[i])
  1743. clks[i] = ERR_PTR(-EINVAL);
  1744. }
  1745. tegra_init_dup_clks(tegra_clk_duplicates, clks, clk_max);
  1746. clk_data.clks = clks;
  1747. clk_data.clk_num = ARRAY_SIZE(clks);
  1748. of_clk_add_provider(np, of_clk_src_onecell_get, &clk_data);
  1749. tegra_init_from_table(init_table, clks, clk_max);
  1750. tegra_cpu_car_ops = &tegra30_cpu_car_ops;
  1751. }