mux.c 20 KB

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  1. /*
  2. * linux/arch/arm/mach-omap1/mux.c
  3. *
  4. * OMAP1 pin multiplexing configurations
  5. *
  6. * Copyright (C) 2003 - 2008 Nokia Corporation
  7. *
  8. * Written by Tony Lindgren
  9. *
  10. * This program is free software; you can redistribute it and/or modify
  11. * it under the terms of the GNU General Public License as published by
  12. * the Free Software Foundation; either version 2 of the License, or
  13. * (at your option) any later version.
  14. *
  15. * This program is distributed in the hope that it will be useful,
  16. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  18. * GNU General Public License for more details.
  19. *
  20. * You should have received a copy of the GNU General Public License
  21. * along with this program; if not, write to the Free Software
  22. * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  23. *
  24. */
  25. #include <linux/module.h>
  26. #include <linux/init.h>
  27. #include <linux/io.h>
  28. #include <linux/spinlock.h>
  29. #include <asm/system.h>
  30. #include <mach/mux.h>
  31. #ifdef CONFIG_OMAP_MUX
  32. static struct omap_mux_cfg arch_mux_cfg;
  33. #ifdef CONFIG_ARCH_OMAP730
  34. static struct pin_config __initdata_or_module omap730_pins[] = {
  35. MUX_CFG_730("E2_730_KBR0", 12, 21, 0, 20, 1, 0)
  36. MUX_CFG_730("J7_730_KBR1", 12, 25, 0, 24, 1, 0)
  37. MUX_CFG_730("E1_730_KBR2", 12, 29, 0, 28, 1, 0)
  38. MUX_CFG_730("F3_730_KBR3", 13, 1, 0, 0, 1, 0)
  39. MUX_CFG_730("D2_730_KBR4", 13, 5, 0, 4, 1, 0)
  40. MUX_CFG_730("C2_730_KBC0", 13, 9, 0, 8, 1, 0)
  41. MUX_CFG_730("D3_730_KBC1", 13, 13, 0, 12, 1, 0)
  42. MUX_CFG_730("E4_730_KBC2", 13, 17, 0, 16, 1, 0)
  43. MUX_CFG_730("F4_730_KBC3", 13, 21, 0, 20, 1, 0)
  44. MUX_CFG_730("E3_730_KBC4", 13, 25, 0, 24, 1, 0)
  45. MUX_CFG_730("AA17_730_USB_DM", 2, 21, 0, 20, 0, 0)
  46. MUX_CFG_730("W16_730_USB_PU_EN", 2, 25, 0, 24, 0, 0)
  47. MUX_CFG_730("W17_730_USB_VBUSI", 2, 29, 0, 28, 0, 0)
  48. };
  49. #define OMAP730_PINS_SZ ARRAY_SIZE(omap730_pins)
  50. #else
  51. #define omap730_pins NULL
  52. #define OMAP730_PINS_SZ 0
  53. #endif /* CONFIG_ARCH_OMAP730 */
  54. #ifdef CONFIG_ARCH_OMAP850
  55. struct pin_config __initdata_or_module omap850_pins[] = {
  56. MUX_CFG_850("E2_850_KBR0", 12, 21, 0, 20, 1, 0)
  57. MUX_CFG_850("J7_850_KBR1", 12, 25, 0, 24, 1, 0)
  58. MUX_CFG_850("E1_850_KBR2", 12, 29, 0, 28, 1, 0)
  59. MUX_CFG_850("F3_850_KBR3", 13, 1, 0, 0, 1, 0)
  60. MUX_CFG_850("D2_850_KBR4", 13, 5, 0, 4, 1, 0)
  61. MUX_CFG_850("C2_850_KBC0", 13, 9, 0, 8, 1, 0)
  62. MUX_CFG_850("D3_850_KBC1", 13, 13, 0, 12, 1, 0)
  63. MUX_CFG_850("E4_850_KBC2", 13, 17, 0, 16, 1, 0)
  64. MUX_CFG_850("F4_850_KBC3", 13, 21, 0, 20, 1, 0)
  65. MUX_CFG_850("E3_850_KBC4", 13, 25, 0, 24, 1, 0)
  66. MUX_CFG_850("AA17_850_USB_DM", 2, 21, 0, 20, 0, 0)
  67. MUX_CFG_850("W16_850_USB_PU_EN", 2, 25, 0, 24, 0, 0)
  68. MUX_CFG_850("W17_850_USB_VBUSI", 2, 29, 0, 28, 0, 0)
  69. };
  70. #endif
  71. #if defined(CONFIG_ARCH_OMAP15XX) || defined(CONFIG_ARCH_OMAP16XX)
  72. static struct pin_config __initdata_or_module omap1xxx_pins[] = {
  73. /*
  74. * description mux mode mux pull pull pull pu_pd pu dbg
  75. * reg offset mode reg bit ena reg
  76. */
  77. MUX_CFG("UART1_TX", 9, 21, 1, 2, 3, 0, NA, 0, 0)
  78. MUX_CFG("UART1_RTS", 9, 12, 1, 2, 0, 0, NA, 0, 0)
  79. /* UART2 (COM_UART_GATING), conflicts with USB2 */
  80. MUX_CFG("UART2_TX", C, 27, 1, 3, 3, 0, NA, 0, 0)
  81. MUX_CFG("UART2_RX", C, 18, 0, 3, 1, 1, NA, 0, 0)
  82. MUX_CFG("UART2_CTS", C, 21, 0, 3, 1, 1, NA, 0, 0)
  83. MUX_CFG("UART2_RTS", C, 24, 1, 3, 2, 0, NA, 0, 0)
  84. /* UART3 (GIGA_UART_GATING) */
  85. MUX_CFG("UART3_TX", 6, 0, 1, 0, 30, 0, NA, 0, 0)
  86. MUX_CFG("UART3_RX", 6, 3, 0, 0, 31, 1, NA, 0, 0)
  87. MUX_CFG("UART3_CTS", 5, 12, 2, 0, 24, 0, NA, 0, 0)
  88. MUX_CFG("UART3_RTS", 5, 15, 2, 0, 25, 0, NA, 0, 0)
  89. MUX_CFG("UART3_CLKREQ", 9, 27, 0, 2, 5, 0, NA, 0, 0)
  90. MUX_CFG("UART3_BCLK", A, 0, 0, 2, 6, 0, NA, 0, 0)
  91. MUX_CFG("Y15_1610_UART3_RTS", A, 0, 1, 2, 6, 0, NA, 0, 0)
  92. /* PWT & PWL, conflicts with UART3 */
  93. MUX_CFG("PWT", 6, 0, 2, 0, 30, 0, NA, 0, 0)
  94. MUX_CFG("PWL", 6, 3, 1, 0, 31, 1, NA, 0, 0)
  95. /* USB internal master generic */
  96. MUX_CFG("R18_USB_VBUS", 7, 9, 2, 1, 11, 0, NA, 0, 1)
  97. MUX_CFG("R18_1510_USB_GPIO0", 7, 9, 0, 1, 11, 1, NA, 0, 1)
  98. /* works around erratum: W4_USB_PUEN and W4_USB_PUDIS are switched! */
  99. MUX_CFG("W4_USB_PUEN", D, 3, 3, 3, 5, 1, NA, 0, 1)
  100. MUX_CFG("W4_USB_CLKO", D, 3, 1, 3, 5, 0, NA, 0, 1)
  101. MUX_CFG("W4_USB_HIGHZ", D, 3, 4, 3, 5, 0, 3, 0, 1)
  102. MUX_CFG("W4_GPIO58", D, 3, 7, 3, 5, 0, 3, 0, 1)
  103. /* USB1 master */
  104. MUX_CFG("USB1_SUSP", 8, 27, 2, 1, 27, 0, NA, 0, 1)
  105. MUX_CFG("USB1_SE0", 9, 0, 2, 1, 28, 0, NA, 0, 1)
  106. MUX_CFG("W13_1610_USB1_SE0", 9, 0, 4, 1, 28, 0, NA, 0, 1)
  107. MUX_CFG("USB1_TXEN", 9, 3, 2, 1, 29, 0, NA, 0, 1)
  108. MUX_CFG("USB1_TXD", 9, 24, 1, 2, 4, 0, NA, 0, 1)
  109. MUX_CFG("USB1_VP", A, 3, 1, 2, 7, 0, NA, 0, 1)
  110. MUX_CFG("USB1_VM", A, 6, 1, 2, 8, 0, NA, 0, 1)
  111. MUX_CFG("USB1_RCV", A, 9, 1, 2, 9, 0, NA, 0, 1)
  112. MUX_CFG("USB1_SPEED", A, 12, 2, 2, 10, 0, NA, 0, 1)
  113. MUX_CFG("R13_1610_USB1_SPEED", A, 12, 5, 2, 10, 0, NA, 0, 1)
  114. MUX_CFG("R13_1710_USB1_SEO", A, 12, 5, 2, 10, 0, NA, 0, 1)
  115. /* USB2 master */
  116. MUX_CFG("USB2_SUSP", B, 3, 1, 2, 17, 0, NA, 0, 1)
  117. MUX_CFG("USB2_VP", B, 6, 1, 2, 18, 0, NA, 0, 1)
  118. MUX_CFG("USB2_TXEN", B, 9, 1, 2, 19, 0, NA, 0, 1)
  119. MUX_CFG("USB2_VM", C, 18, 1, 3, 0, 0, NA, 0, 1)
  120. MUX_CFG("USB2_RCV", C, 21, 1, 3, 1, 0, NA, 0, 1)
  121. MUX_CFG("USB2_SE0", C, 24, 2, 3, 2, 0, NA, 0, 1)
  122. MUX_CFG("USB2_TXD", C, 27, 2, 3, 3, 0, NA, 0, 1)
  123. /* OMAP-1510 GPIO */
  124. MUX_CFG("R18_1510_GPIO0", 7, 9, 0, 1, 11, 1, 0, 0, 1)
  125. MUX_CFG("R19_1510_GPIO1", 7, 6, 0, 1, 10, 1, 0, 0, 1)
  126. MUX_CFG("M14_1510_GPIO2", 7, 3, 0, 1, 9, 1, 0, 0, 1)
  127. /* OMAP1610 GPIO */
  128. MUX_CFG("P18_1610_GPIO3", 7, 0, 0, 1, 8, 0, NA, 0, 1)
  129. MUX_CFG("Y15_1610_GPIO17", A, 0, 7, 2, 6, 0, NA, 0, 1)
  130. /* OMAP-1710 GPIO */
  131. MUX_CFG("R18_1710_GPIO0", 7, 9, 0, 1, 11, 1, 1, 1, 1)
  132. MUX_CFG("V2_1710_GPIO10", F, 27, 1, 4, 3, 1, 4, 1, 1)
  133. MUX_CFG("N21_1710_GPIO14", 6, 9, 0, 1, 1, 1, 1, 1, 1)
  134. MUX_CFG("W15_1710_GPIO40", 9, 27, 7, 2, 5, 1, 2, 1, 1)
  135. /* MPUIO */
  136. MUX_CFG("MPUIO2", 7, 18, 0, 1, 14, 1, NA, 0, 1)
  137. MUX_CFG("N15_1610_MPUIO2", 7, 18, 0, 1, 14, 1, 1, 0, 1)
  138. MUX_CFG("MPUIO4", 7, 15, 0, 1, 13, 1, NA, 0, 1)
  139. MUX_CFG("MPUIO5", 7, 12, 0, 1, 12, 1, NA, 0, 1)
  140. MUX_CFG("T20_1610_MPUIO5", 7, 12, 0, 1, 12, 0, 3, 0, 1)
  141. MUX_CFG("W11_1610_MPUIO6", 10, 15, 2, 3, 8, 0, 3, 0, 1)
  142. MUX_CFG("V10_1610_MPUIO7", A, 24, 2, 2, 14, 0, 2, 0, 1)
  143. MUX_CFG("W11_1610_MPUIO9", 10, 15, 1, 3, 8, 0, 3, 0, 1)
  144. MUX_CFG("V10_1610_MPUIO10", A, 24, 1, 2, 14, 0, 2, 0, 1)
  145. MUX_CFG("W10_1610_MPUIO11", A, 18, 2, 2, 11, 0, 2, 0, 1)
  146. MUX_CFG("E20_1610_MPUIO13", 3, 21, 1, 0, 7, 0, 0, 0, 1)
  147. MUX_CFG("U20_1610_MPUIO14", 9, 6, 6, 0, 30, 0, 0, 0, 1)
  148. MUX_CFG("E19_1610_MPUIO15", 3, 18, 1, 0, 6, 0, 0, 0, 1)
  149. /* MCBSP2 */
  150. MUX_CFG("MCBSP2_CLKR", C, 6, 0, 2, 27, 1, NA, 0, 1)
  151. MUX_CFG("MCBSP2_CLKX", C, 9, 0, 2, 29, 1, NA, 0, 1)
  152. MUX_CFG("MCBSP2_DR", C, 0, 0, 2, 26, 1, NA, 0, 1)
  153. MUX_CFG("MCBSP2_DX", C, 15, 0, 2, 31, 1, NA, 0, 1)
  154. MUX_CFG("MCBSP2_FSR", C, 12, 0, 2, 30, 1, NA, 0, 1)
  155. MUX_CFG("MCBSP2_FSX", C, 3, 0, 2, 27, 1, NA, 0, 1)
  156. /* MCBSP3 NOTE: Mode must 1 for clock */
  157. MUX_CFG("MCBSP3_CLKX", 9, 3, 1, 1, 29, 0, NA, 0, 1)
  158. /* Misc ballouts */
  159. MUX_CFG("BALLOUT_V8_ARMIO3", B, 18, 0, 2, 25, 1, NA, 0, 1)
  160. MUX_CFG("N20_HDQ", 6, 18, 1, 1, 4, 0, 1, 4, 0)
  161. /* OMAP-1610 MMC2 */
  162. MUX_CFG("W8_1610_MMC2_DAT0", B, 21, 6, 2, 23, 1, 2, 1, 1)
  163. MUX_CFG("V8_1610_MMC2_DAT1", B, 27, 6, 2, 25, 1, 2, 1, 1)
  164. MUX_CFG("W15_1610_MMC2_DAT2", 9, 12, 6, 2, 5, 1, 2, 1, 1)
  165. MUX_CFG("R10_1610_MMC2_DAT3", B, 18, 6, 2, 22, 1, 2, 1, 1)
  166. MUX_CFG("Y10_1610_MMC2_CLK", B, 3, 6, 2, 17, 0, 2, 0, 1)
  167. MUX_CFG("Y8_1610_MMC2_CMD", B, 24, 6, 2, 24, 1, 2, 1, 1)
  168. MUX_CFG("V9_1610_MMC2_CMDDIR", B, 12, 6, 2, 20, 0, 2, 1, 1)
  169. MUX_CFG("V5_1610_MMC2_DATDIR0", B, 15, 6, 2, 21, 0, 2, 1, 1)
  170. MUX_CFG("W19_1610_MMC2_DATDIR1", 8, 15, 6, 1, 23, 0, 1, 1, 1)
  171. MUX_CFG("R18_1610_MMC2_CLKIN", 7, 9, 6, 1, 11, 0, 1, 11, 1)
  172. /* OMAP-1610 External Trace Interface */
  173. MUX_CFG("M19_1610_ETM_PSTAT0", 5, 27, 1, 0, 29, 0, 0, 0, 1)
  174. MUX_CFG("L15_1610_ETM_PSTAT1", 5, 24, 1, 0, 28, 0, 0, 0, 1)
  175. MUX_CFG("L18_1610_ETM_PSTAT2", 5, 21, 1, 0, 27, 0, 0, 0, 1)
  176. MUX_CFG("L19_1610_ETM_D0", 5, 18, 1, 0, 26, 0, 0, 0, 1)
  177. MUX_CFG("J19_1610_ETM_D6", 5, 0, 1, 0, 20, 0, 0, 0, 1)
  178. MUX_CFG("J18_1610_ETM_D7", 5, 27, 1, 0, 19, 0, 0, 0, 1)
  179. /* OMAP16XX GPIO */
  180. MUX_CFG("P20_1610_GPIO4", 6, 27, 0, 1, 7, 0, 1, 1, 1)
  181. MUX_CFG("V9_1610_GPIO7", B, 12, 1, 2, 20, 0, 2, 1, 1)
  182. MUX_CFG("W8_1610_GPIO9", B, 21, 0, 2, 23, 0, 2, 1, 1)
  183. MUX_CFG("N20_1610_GPIO11", 6, 18, 0, 1, 4, 0, 1, 1, 1)
  184. MUX_CFG("N19_1610_GPIO13", 6, 12, 0, 1, 2, 0, 1, 1, 1)
  185. MUX_CFG("P10_1610_GPIO22", C, 0, 7, 2, 26, 0, 2, 1, 1)
  186. MUX_CFG("V5_1610_GPIO24", B, 15, 7, 2, 21, 0, 2, 1, 1)
  187. MUX_CFG("AA20_1610_GPIO_41", 9, 9, 7, 1, 31, 0, 1, 1, 1)
  188. MUX_CFG("W19_1610_GPIO48", 8, 15, 7, 1, 23, 1, 1, 0, 1)
  189. MUX_CFG("M7_1610_GPIO62", 10, 0, 0, 4, 24, 0, 4, 0, 1)
  190. MUX_CFG("V14_16XX_GPIO37", 9, 18, 7, 2, 2, 0, 2, 2, 0)
  191. MUX_CFG("R9_16XX_GPIO18", C, 18, 7, 3, 0, 0, 3, 0, 0)
  192. MUX_CFG("L14_16XX_GPIO49", 6, 3, 7, 0, 31, 0, 0, 31, 0)
  193. /* OMAP-1610 uWire */
  194. MUX_CFG("V19_1610_UWIRE_SCLK", 8, 6, 0, 1, 20, 0, 1, 1, 1)
  195. MUX_CFG("U18_1610_UWIRE_SDI", 8, 0, 0, 1, 18, 0, 1, 1, 1)
  196. MUX_CFG("W21_1610_UWIRE_SDO", 8, 3, 0, 1, 19, 0, 1, 1, 1)
  197. MUX_CFG("N14_1610_UWIRE_CS0", 8, 9, 1, 1, 21, 0, 1, 1, 1)
  198. MUX_CFG("P15_1610_UWIRE_CS3", 8, 12, 1, 1, 22, 0, 1, 1, 1)
  199. MUX_CFG("N15_1610_UWIRE_CS1", 7, 18, 2, 1, 14, 0, NA, 0, 1)
  200. /* OMAP-1610 SPI */
  201. MUX_CFG("U19_1610_SPIF_SCK", 7, 21, 6, 1, 15, 0, 1, 1, 1)
  202. MUX_CFG("U18_1610_SPIF_DIN", 8, 0, 6, 1, 18, 1, 1, 0, 1)
  203. MUX_CFG("P20_1610_SPIF_DIN", 6, 27, 4, 1, 7, 1, 1, 0, 1)
  204. MUX_CFG("W21_1610_SPIF_DOUT", 8, 3, 6, 1, 19, 0, 1, 0, 1)
  205. MUX_CFG("R18_1610_SPIF_DOUT", 7, 9, 3, 1, 11, 0, 1, 0, 1)
  206. MUX_CFG("N14_1610_SPIF_CS0", 8, 9, 6, 1, 21, 0, 1, 1, 1)
  207. MUX_CFG("N15_1610_SPIF_CS1", 7, 18, 6, 1, 14, 0, 1, 1, 1)
  208. MUX_CFG("T19_1610_SPIF_CS2", 7, 15, 4, 1, 13, 0, 1, 1, 1)
  209. MUX_CFG("P15_1610_SPIF_CS3", 8, 12, 3, 1, 22, 0, 1, 1, 1)
  210. /* OMAP-1610 Flash */
  211. MUX_CFG("L3_1610_FLASH_CS2B_OE",10, 6, 1, NA, 0, 0, NA, 0, 1)
  212. MUX_CFG("M8_1610_FLASH_CS2B_WE",10, 3, 1, NA, 0, 0, NA, 0, 1)
  213. /* First MMC interface, same on 1510, 1610 and 1710 */
  214. MUX_CFG("MMC_CMD", A, 27, 0, 2, 15, 1, 2, 1, 1)
  215. MUX_CFG("MMC_DAT1", A, 24, 0, 2, 14, 1, 2, 1, 1)
  216. MUX_CFG("MMC_DAT2", A, 18, 0, 2, 12, 1, 2, 1, 1)
  217. MUX_CFG("MMC_DAT0", B, 0, 0, 2, 16, 1, 2, 1, 1)
  218. MUX_CFG("MMC_CLK", A, 21, 0, NA, 0, 0, NA, 0, 1)
  219. MUX_CFG("MMC_DAT3", 10, 15, 0, 3, 8, 1, 3, 1, 1)
  220. MUX_CFG("M15_1710_MMC_CLKI", 6, 21, 2, 0, 0, 0, NA, 0, 1)
  221. MUX_CFG("P19_1710_MMC_CMDDIR", 6, 24, 6, 0, 0, 0, NA, 0, 1)
  222. MUX_CFG("P20_1710_MMC_DATDIR0", 6, 27, 5, 0, 0, 0, NA, 0, 1)
  223. /* OMAP-1610 USB0 alternate configuration */
  224. MUX_CFG("W9_USB0_TXEN", B, 9, 5, 2, 19, 0, 2, 0, 1)
  225. MUX_CFG("AA9_USB0_VP", B, 6, 5, 2, 18, 0, 2, 0, 1)
  226. MUX_CFG("Y5_USB0_RCV", C, 21, 5, 3, 1, 0, 1, 0, 1)
  227. MUX_CFG("R9_USB0_VM", C, 18, 5, 3, 0, 0, 3, 0, 1)
  228. MUX_CFG("V6_USB0_TXD", C, 27, 5, 3, 3, 0, 3, 0, 1)
  229. MUX_CFG("W5_USB0_SE0", C, 24, 5, 3, 2, 0, 3, 0, 1)
  230. MUX_CFG("V9_USB0_SPEED", B, 12, 5, 2, 20, 0, 2, 0, 1)
  231. MUX_CFG("Y10_USB0_SUSP", B, 3, 5, 2, 17, 0, 2, 0, 1)
  232. /* USB2 interface */
  233. MUX_CFG("W9_USB2_TXEN", B, 9, 1, NA, 0, 0, NA, 0, 1)
  234. MUX_CFG("AA9_USB2_VP", B, 6, 1, NA, 0, 0, NA, 0, 1)
  235. MUX_CFG("Y5_USB2_RCV", C, 21, 1, NA, 0, 0, NA, 0, 1)
  236. MUX_CFG("R9_USB2_VM", C, 18, 1, NA, 0, 0, NA, 0, 1)
  237. MUX_CFG("V6_USB2_TXD", C, 27, 2, NA, 0, 0, NA, 0, 1)
  238. MUX_CFG("W5_USB2_SE0", C, 24, 2, NA, 0, 0, NA, 0, 1)
  239. /* 16XX UART */
  240. MUX_CFG("R13_1610_UART1_TX", A, 12, 6, 2, 10, 0, 2, 10, 1)
  241. MUX_CFG("V14_16XX_UART1_RX", 9, 18, 0, 2, 2, 0, 2, 2, 1)
  242. MUX_CFG("R14_1610_UART1_CTS", 9, 15, 0, 2, 1, 0, 2, 1, 1)
  243. MUX_CFG("AA15_1610_UART1_RTS", 9, 12, 1, 2, 0, 0, 2, 0, 1)
  244. MUX_CFG("R9_16XX_UART2_RX", C, 18, 0, 3, 0, 0, 3, 0, 1)
  245. MUX_CFG("L14_16XX_UART3_RX", 6, 3, 0, 0, 31, 0, 0, 31, 1)
  246. /* I2C interface */
  247. MUX_CFG("I2C_SCL", 7, 24, 0, NA, 0, 0, NA, 0, 0)
  248. MUX_CFG("I2C_SDA", 7, 27, 0, NA, 0, 0, NA, 0, 0)
  249. /* Keypad */
  250. MUX_CFG("F18_1610_KBC0", 3, 15, 0, 0, 5, 1, 0, 0, 0)
  251. MUX_CFG("D20_1610_KBC1", 3, 12, 0, 0, 4, 1, 0, 0, 0)
  252. MUX_CFG("D19_1610_KBC2", 3, 9, 0, 0, 3, 1, 0, 0, 0)
  253. MUX_CFG("E18_1610_KBC3", 3, 6, 0, 0, 2, 1, 0, 0, 0)
  254. MUX_CFG("C21_1610_KBC4", 3, 3, 0, 0, 1, 1, 0, 0, 0)
  255. MUX_CFG("G18_1610_KBR0", 4, 0, 0, 0, 10, 1, 0, 1, 0)
  256. MUX_CFG("F19_1610_KBR1", 3, 27, 0, 0, 9, 1, 0, 1, 0)
  257. MUX_CFG("H14_1610_KBR2", 3, 24, 0, 0, 8, 1, 0, 1, 0)
  258. MUX_CFG("E20_1610_KBR3", 3, 21, 0, 0, 7, 1, 0, 1, 0)
  259. MUX_CFG("E19_1610_KBR4", 3, 18, 0, 0, 6, 1, 0, 1, 0)
  260. MUX_CFG("N19_1610_KBR5", 6, 12, 1, 1, 2, 1, 1, 1, 0)
  261. /* Power management */
  262. MUX_CFG("T20_1610_LOW_PWR", 7, 12, 1, NA, 0, 0, NA, 0, 0)
  263. /* MCLK Settings */
  264. MUX_CFG("V5_1710_MCLK_ON", B, 15, 0, NA, 0, 0, NA, 0, 0)
  265. MUX_CFG("V5_1710_MCLK_OFF", B, 15, 6, NA, 0, 0, NA, 0, 0)
  266. MUX_CFG("R10_1610_MCLK_ON", B, 18, 0, NA, 22, 0, NA, 1, 0)
  267. MUX_CFG("R10_1610_MCLK_OFF", B, 18, 6, 2, 22, 1, 2, 1, 1)
  268. /* CompactFlash controller, conflicts with MMC1 */
  269. MUX_CFG("P11_1610_CF_CD2", A, 27, 3, 2, 15, 1, 2, 1, 1)
  270. MUX_CFG("R11_1610_CF_IOIS16", B, 0, 3, 2, 16, 1, 2, 1, 1)
  271. MUX_CFG("V10_1610_CF_IREQ", A, 24, 3, 2, 14, 0, 2, 0, 1)
  272. MUX_CFG("W10_1610_CF_RESET", A, 18, 3, 2, 12, 1, 2, 1, 1)
  273. MUX_CFG("W11_1610_CF_CD1", 10, 15, 3, 3, 8, 1, 3, 1, 1)
  274. /* parallel camera */
  275. MUX_CFG("J15_1610_CAM_LCLK", 4, 24, 0, 0, 18, 1, 0, 0, 0)
  276. MUX_CFG("J18_1610_CAM_D7", 4, 27, 0, 0, 19, 1, 0, 0, 0)
  277. MUX_CFG("J19_1610_CAM_D6", 5, 0, 0, 0, 20, 1, 0, 0, 0)
  278. MUX_CFG("J14_1610_CAM_D5", 5, 3, 0, 0, 21, 1, 0, 0, 0)
  279. MUX_CFG("K18_1610_CAM_D4", 5, 6, 0, 0, 22, 1, 0, 0, 0)
  280. MUX_CFG("K19_1610_CAM_D3", 5, 9, 0, 0, 23, 1, 0, 0, 0)
  281. MUX_CFG("K15_1610_CAM_D2", 5, 12, 0, 0, 24, 1, 0, 0, 0)
  282. MUX_CFG("K14_1610_CAM_D1", 5, 15, 0, 0, 25, 1, 0, 0, 0)
  283. MUX_CFG("L19_1610_CAM_D0", 5, 18, 0, 0, 26, 1, 0, 0, 0)
  284. MUX_CFG("L18_1610_CAM_VS", 5, 21, 0, 0, 27, 1, 0, 0, 0)
  285. MUX_CFG("L15_1610_CAM_HS", 5, 24, 0, 0, 28, 1, 0, 0, 0)
  286. MUX_CFG("M19_1610_CAM_RSTZ", 5, 27, 0, 0, 29, 0, 0, 0, 0)
  287. MUX_CFG("Y15_1610_CAM_OUTCLK", A, 0, 6, 2, 6, 0, 2, 0, 0)
  288. /* serial camera */
  289. MUX_CFG("H19_1610_CAM_EXCLK", 4, 21, 0, 0, 17, 0, 0, 0, 0)
  290. /* REVISIT 5912 spec sez CCP_* can't pullup or pulldown ... ? */
  291. MUX_CFG("Y12_1610_CCP_CLKP", 8, 18, 6, 1, 24, 1, 1, 0, 0)
  292. MUX_CFG("W13_1610_CCP_CLKM", 9, 0, 6, 1, 28, 1, 1, 0, 0)
  293. MUX_CFG("W14_1610_CCP_DATAP", 9, 24, 6, 2, 4, 1, 2, 0, 0)
  294. MUX_CFG("Y14_1610_CCP_DATAM", 9, 21, 6, 2, 3, 1, 2, 0, 0)
  295. };
  296. #define OMAP1XXX_PINS_SZ ARRAY_SIZE(omap1xxx_pins)
  297. #else
  298. #define omap1xxx_pins NULL
  299. #define OMAP1XXX_PINS_SZ 0
  300. #endif /* CONFIG_ARCH_OMAP15XX || CONFIG_ARCH_OMAP16XX */
  301. int __init_or_module omap1_cfg_reg(const struct pin_config *cfg)
  302. {
  303. static DEFINE_SPINLOCK(mux_spin_lock);
  304. unsigned long flags;
  305. unsigned int reg_orig = 0, reg = 0, pu_pd_orig = 0, pu_pd = 0,
  306. pull_orig = 0, pull = 0;
  307. unsigned int mask, warn = 0;
  308. /* Check the mux register in question */
  309. if (cfg->mux_reg) {
  310. unsigned tmp1, tmp2;
  311. spin_lock_irqsave(&mux_spin_lock, flags);
  312. reg_orig = omap_readl(cfg->mux_reg);
  313. /* The mux registers always seem to be 3 bits long */
  314. mask = (0x7 << cfg->mask_offset);
  315. tmp1 = reg_orig & mask;
  316. reg = reg_orig & ~mask;
  317. tmp2 = (cfg->mask << cfg->mask_offset);
  318. reg |= tmp2;
  319. if (tmp1 != tmp2)
  320. warn = 1;
  321. omap_writel(reg, cfg->mux_reg);
  322. spin_unlock_irqrestore(&mux_spin_lock, flags);
  323. }
  324. /* Check for pull up or pull down selection on 1610 */
  325. if (!cpu_is_omap15xx()) {
  326. if (cfg->pu_pd_reg && cfg->pull_val) {
  327. spin_lock_irqsave(&mux_spin_lock, flags);
  328. pu_pd_orig = omap_readl(cfg->pu_pd_reg);
  329. mask = 1 << cfg->pull_bit;
  330. if (cfg->pu_pd_val) {
  331. if (!(pu_pd_orig & mask))
  332. warn = 1;
  333. /* Use pull up */
  334. pu_pd = pu_pd_orig | mask;
  335. } else {
  336. if (pu_pd_orig & mask)
  337. warn = 1;
  338. /* Use pull down */
  339. pu_pd = pu_pd_orig & ~mask;
  340. }
  341. omap_writel(pu_pd, cfg->pu_pd_reg);
  342. spin_unlock_irqrestore(&mux_spin_lock, flags);
  343. }
  344. }
  345. /* Check for an associated pull down register */
  346. if (cfg->pull_reg) {
  347. spin_lock_irqsave(&mux_spin_lock, flags);
  348. pull_orig = omap_readl(cfg->pull_reg);
  349. mask = 1 << cfg->pull_bit;
  350. if (cfg->pull_val) {
  351. if (pull_orig & mask)
  352. warn = 1;
  353. /* Low bit = pull enabled */
  354. pull = pull_orig & ~mask;
  355. } else {
  356. if (!(pull_orig & mask))
  357. warn = 1;
  358. /* High bit = pull disabled */
  359. pull = pull_orig | mask;
  360. }
  361. omap_writel(pull, cfg->pull_reg);
  362. spin_unlock_irqrestore(&mux_spin_lock, flags);
  363. }
  364. if (warn) {
  365. #ifdef CONFIG_OMAP_MUX_WARNINGS
  366. printk(KERN_WARNING "MUX: initialized %s\n", cfg->name);
  367. #endif
  368. }
  369. #ifdef CONFIG_OMAP_MUX_DEBUG
  370. if (cfg->debug || warn) {
  371. printk("MUX: Setting register %s\n", cfg->name);
  372. printk(" %s (0x%08x) = 0x%08x -> 0x%08x\n",
  373. cfg->mux_reg_name, cfg->mux_reg, reg_orig, reg);
  374. if (!cpu_is_omap15xx()) {
  375. if (cfg->pu_pd_reg && cfg->pull_val) {
  376. printk(" %s (0x%08x) = 0x%08x -> 0x%08x\n",
  377. cfg->pu_pd_name, cfg->pu_pd_reg,
  378. pu_pd_orig, pu_pd);
  379. }
  380. }
  381. if (cfg->pull_reg)
  382. printk(" %s (0x%08x) = 0x%08x -> 0x%08x\n",
  383. cfg->pull_name, cfg->pull_reg, pull_orig, pull);
  384. }
  385. #ifdef CONFIG_ARCH_OMAP850
  386. omap_mux_register(omap850_pins, ARRAY_SIZE(omap850_pins));
  387. #endif
  388. #endif
  389. #ifdef CONFIG_OMAP_MUX_ERRORS
  390. return warn ? -ETXTBSY : 0;
  391. #else
  392. return 0;
  393. #endif
  394. }
  395. int __init omap1_mux_init(void)
  396. {
  397. if (cpu_is_omap730()) {
  398. arch_mux_cfg.pins = omap730_pins;
  399. arch_mux_cfg.size = OMAP730_PINS_SZ;
  400. arch_mux_cfg.cfg_reg = omap1_cfg_reg;
  401. }
  402. if (cpu_is_omap15xx() || cpu_is_omap16xx()) {
  403. arch_mux_cfg.pins = omap1xxx_pins;
  404. arch_mux_cfg.size = OMAP1XXX_PINS_SZ;
  405. arch_mux_cfg.cfg_reg = omap1_cfg_reg;
  406. }
  407. return omap_mux_register(&arch_mux_cfg);
  408. }
  409. #endif