1 // SPDX-License-Identifier: GPL-2.0-or-later 2 /* 3 * linux/arch/arm/mach-omap1/mux.c 4 * 5 * OMAP1 pin multiplexing configurations 6 * 7 * Copyright (C) 2003 - 2008 Nokia Corporation 8 * 9 * Written by Tony Lindgren 10 */ 11 #include <linux/module.h> 12 #include <linux/init.h> 13 #include <linux/io.h> 14 #include <linux/spinlock.h> 15 16 #include <mach/hardware.h> 17 18 #include <mach/mux.h> 19 20 #ifdef CONFIG_OMAP_MUX 21 22 static struct omap_mux_cfg arch_mux_cfg; 23 24 #if defined(CONFIG_ARCH_OMAP730) || defined(CONFIG_ARCH_OMAP850) 25 static struct pin_config omap7xx_pins[] = { 26 MUX_CFG_7XX("E2_7XX_KBR0", 12, 21, 0, 20, 1, 0) 27 MUX_CFG_7XX("J7_7XX_KBR1", 12, 25, 0, 24, 1, 0) 28 MUX_CFG_7XX("E1_7XX_KBR2", 12, 29, 0, 28, 1, 0) 29 MUX_CFG_7XX("F3_7XX_KBR3", 13, 1, 0, 0, 1, 0) 30 MUX_CFG_7XX("D2_7XX_KBR4", 13, 5, 0, 4, 1, 0) 31 MUX_CFG_7XX("C2_7XX_KBC0", 13, 9, 0, 8, 1, 0) 32 MUX_CFG_7XX("D3_7XX_KBC1", 13, 13, 0, 12, 1, 0) 33 MUX_CFG_7XX("E4_7XX_KBC2", 13, 17, 0, 16, 1, 0) 34 MUX_CFG_7XX("F4_7XX_KBC3", 13, 21, 0, 20, 1, 0) 35 MUX_CFG_7XX("E3_7XX_KBC4", 13, 25, 0, 24, 1, 0) 36 37 MUX_CFG_7XX("AA17_7XX_USB_DM", 2, 21, 0, 20, 0, 0) 38 MUX_CFG_7XX("W16_7XX_USB_PU_EN", 2, 25, 0, 24, 0, 0) 39 MUX_CFG_7XX("W17_7XX_USB_VBUSI", 2, 29, 6, 28, 1, 0) 40 MUX_CFG_7XX("W18_7XX_USB_DMCK_OUT",3, 3, 1, 2, 0, 0) 41 MUX_CFG_7XX("W19_7XX_USB_DCRST", 3, 7, 1, 6, 0, 0) 42 43 /* MMC Pins */ 44 MUX_CFG_7XX("MMC_7XX_CMD", 2, 9, 0, 8, 1, 0) 45 MUX_CFG_7XX("MMC_7XX_CLK", 2, 13, 0, 12, 1, 0) 46 MUX_CFG_7XX("MMC_7XX_DAT0", 2, 17, 0, 16, 1, 0) 47 48 /* I2C interface */ 49 MUX_CFG_7XX("I2C_7XX_SCL", 5, 1, 0, 0, 1, 0) 50 MUX_CFG_7XX("I2C_7XX_SDA", 5, 5, 0, 0, 1, 0) 51 52 /* SPI pins */ 53 MUX_CFG_7XX("SPI_7XX_1", 6, 5, 4, 4, 1, 0) 54 MUX_CFG_7XX("SPI_7XX_2", 6, 9, 4, 8, 1, 0) 55 MUX_CFG_7XX("SPI_7XX_3", 6, 13, 4, 12, 1, 0) 56 MUX_CFG_7XX("SPI_7XX_4", 6, 17, 4, 16, 1, 0) 57 MUX_CFG_7XX("SPI_7XX_5", 8, 25, 0, 24, 0, 0) 58 MUX_CFG_7XX("SPI_7XX_6", 9, 5, 0, 4, 0, 0) 59 60 /* UART pins */ 61 MUX_CFG_7XX("UART_7XX_1", 3, 21, 0, 20, 0, 0) 62 MUX_CFG_7XX("UART_7XX_2", 8, 1, 6, 0, 0, 0) 63 }; 64 #define OMAP7XX_PINS_SZ ARRAY_SIZE(omap7xx_pins) 65 #else 66 #define omap7xx_pins NULL 67 #define OMAP7XX_PINS_SZ 0 68 #endif /* CONFIG_ARCH_OMAP730 || CONFIG_ARCH_OMAP850 */ 69 70 #if defined(CONFIG_ARCH_OMAP15XX) || defined(CONFIG_ARCH_OMAP16XX) 71 static struct pin_config omap1xxx_pins[] = { 72 /* 73 * description mux mode mux pull pull pull pu_pd pu dbg 74 * reg offset mode reg bit ena reg 75 */ 76 MUX_CFG("UART1_TX", 9, 21, 1, 2, 3, 0, NA, 0, 0) 77 MUX_CFG("UART1_RTS", 9, 12, 1, 2, 0, 0, NA, 0, 0) 78 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 85 /* UART3 (GIGA_UART_GATING) */ 86 MUX_CFG("UART3_TX", 6, 0, 1, 0, 30, 0, NA, 0, 0) 87 MUX_CFG("UART3_RX", 6, 3, 0, 0, 31, 1, NA, 0, 0) 88 MUX_CFG("UART3_CTS", 5, 12, 2, 0, 24, 0, NA, 0, 0) 89 MUX_CFG("UART3_RTS", 5, 15, 2, 0, 25, 0, NA, 0, 0) 90 MUX_CFG("UART3_CLKREQ", 9, 27, 0, 2, 5, 0, NA, 0, 0) 91 MUX_CFG("UART3_BCLK", A, 0, 0, 2, 6, 0, NA, 0, 0) 92 MUX_CFG("Y15_1610_UART3_RTS", A, 0, 1, 2, 6, 0, NA, 0, 0) 93 94 /* PWT & PWL, conflicts with UART3 */ 95 MUX_CFG("PWT", 6, 0, 2, 0, 30, 0, NA, 0, 0) 96 MUX_CFG("PWL", 6, 3, 1, 0, 31, 1, NA, 0, 0) 97 98 /* USB internal master generic */ 99 MUX_CFG("R18_USB_VBUS", 7, 9, 2, 1, 11, 0, NA, 0, 1) 100 MUX_CFG("R18_1510_USB_GPIO0", 7, 9, 0, 1, 11, 1, NA, 0, 1) 101 /* works around erratum: W4_USB_PUEN and W4_USB_PUDIS are switched! */ 102 MUX_CFG("W4_USB_PUEN", D, 3, 3, 3, 5, 1, NA, 0, 1) 103 MUX_CFG("W4_USB_CLKO", D, 3, 1, 3, 5, 0, NA, 0, 1) 104 MUX_CFG("W4_USB_HIGHZ", D, 3, 4, 3, 5, 0, 3, 0, 1) 105 MUX_CFG("W4_GPIO58", D, 3, 7, 3, 5, 0, 3, 0, 1) 106 107 /* USB1 master */ 108 MUX_CFG("USB1_SUSP", 8, 27, 2, 1, 27, 0, NA, 0, 1) 109 MUX_CFG("USB1_SE0", 9, 0, 2, 1, 28, 0, NA, 0, 1) 110 MUX_CFG("W13_1610_USB1_SE0", 9, 0, 4, 1, 28, 0, NA, 0, 1) 111 MUX_CFG("USB1_TXEN", 9, 3, 2, 1, 29, 0, NA, 0, 1) 112 MUX_CFG("USB1_TXD", 9, 24, 1, 2, 4, 0, NA, 0, 1) 113 MUX_CFG("USB1_VP", A, 3, 1, 2, 7, 0, NA, 0, 1) 114 MUX_CFG("USB1_VM", A, 6, 1, 2, 8, 0, NA, 0, 1) 115 MUX_CFG("USB1_RCV", A, 9, 1, 2, 9, 0, NA, 0, 1) 116 MUX_CFG("USB1_SPEED", A, 12, 2, 2, 10, 0, NA, 0, 1) 117 MUX_CFG("R13_1610_USB1_SPEED", A, 12, 5, 2, 10, 0, NA, 0, 1) 118 MUX_CFG("R13_1710_USB1_SEO", A, 12, 5, 2, 10, 0, NA, 0, 1) 119 120 /* USB2 master */ 121 MUX_CFG("USB2_SUSP", B, 3, 1, 2, 17, 0, NA, 0, 1) 122 MUX_CFG("USB2_VP", B, 6, 1, 2, 18, 0, NA, 0, 1) 123 MUX_CFG("USB2_TXEN", B, 9, 1, 2, 19, 0, NA, 0, 1) 124 MUX_CFG("USB2_VM", C, 18, 1, 3, 0, 0, NA, 0, 1) 125 MUX_CFG("USB2_RCV", C, 21, 1, 3, 1, 0, NA, 0, 1) 126 MUX_CFG("USB2_SE0", C, 24, 2, 3, 2, 0, NA, 0, 1) 127 MUX_CFG("USB2_TXD", C, 27, 2, 3, 3, 0, NA, 0, 1) 128 129 /* OMAP-1510 GPIO */ 130 MUX_CFG("R18_1510_GPIO0", 7, 9, 0, 1, 11, 1, 0, 0, 1) 131 MUX_CFG("R19_1510_GPIO1", 7, 6, 0, 1, 10, 1, 0, 0, 1) 132 MUX_CFG("M14_1510_GPIO2", 7, 3, 0, 1, 9, 1, 0, 0, 1) 133 134 /* OMAP1610 GPIO */ 135 MUX_CFG("P18_1610_GPIO3", 7, 0, 0, 1, 8, 0, NA, 0, 1) 136 MUX_CFG("Y15_1610_GPIO17", A, 0, 7, 2, 6, 0, NA, 0, 1) 137 138 /* OMAP-1710 GPIO */ 139 MUX_CFG("R18_1710_GPIO0", 7, 9, 0, 1, 11, 1, 1, 1, 1) 140 MUX_CFG("V2_1710_GPIO10", F, 27, 1, 4, 3, 1, 4, 1, 1) 141 MUX_CFG("N21_1710_GPIO14", 6, 9, 0, 1, 1, 1, 1, 1, 1) 142 MUX_CFG("W15_1710_GPIO40", 9, 27, 7, 2, 5, 1, 2, 1, 1) 143 144 /* MPUIO */ 145 MUX_CFG("MPUIO2", 7, 18, 0, 1, 14, 1, NA, 0, 1) 146 MUX_CFG("N15_1610_MPUIO2", 7, 18, 0, 1, 14, 1, 1, 0, 1) 147 MUX_CFG("MPUIO4", 7, 15, 0, 1, 13, 1, NA, 0, 1) 148 MUX_CFG("MPUIO5", 7, 12, 0, 1, 12, 1, NA, 0, 1) 149 150 MUX_CFG("T20_1610_MPUIO5", 7, 12, 0, 1, 12, 0, 3, 0, 1) 151 MUX_CFG("W11_1610_MPUIO6", 10, 15, 2, 3, 8, 0, 3, 0, 1) 152 MUX_CFG("V10_1610_MPUIO7", A, 24, 2, 2, 14, 0, 2, 0, 1) 153 MUX_CFG("W11_1610_MPUIO9", 10, 15, 1, 3, 8, 0, 3, 0, 1) 154 MUX_CFG("V10_1610_MPUIO10", A, 24, 1, 2, 14, 0, 2, 0, 1) 155 MUX_CFG("W10_1610_MPUIO11", A, 18, 2, 2, 11, 0, 2, 0, 1) 156 MUX_CFG("E20_1610_MPUIO13", 3, 21, 1, 0, 7, 0, 0, 0, 1) 157 MUX_CFG("U20_1610_MPUIO14", 9, 6, 6, 0, 30, 0, 0, 0, 1) 158 MUX_CFG("E19_1610_MPUIO15", 3, 18, 1, 0, 6, 0, 0, 0, 1) 159 160 /* MCBSP2 */ 161 MUX_CFG("MCBSP2_CLKR", C, 6, 0, 2, 27, 1, NA, 0, 1) 162 MUX_CFG("MCBSP2_CLKX", C, 9, 0, 2, 29, 1, NA, 0, 1) 163 MUX_CFG("MCBSP2_DR", C, 0, 0, 2, 26, 1, NA, 0, 1) 164 MUX_CFG("MCBSP2_DX", C, 15, 0, 2, 31, 1, NA, 0, 1) 165 MUX_CFG("MCBSP2_FSR", C, 12, 0, 2, 30, 1, NA, 0, 1) 166 MUX_CFG("MCBSP2_FSX", C, 3, 0, 2, 27, 1, NA, 0, 1) 167 168 /* MCBSP3 NOTE: Mode must 1 for clock */ 169 MUX_CFG("MCBSP3_CLKX", 9, 3, 1, 1, 29, 0, NA, 0, 1) 170 171 /* Misc ballouts */ 172 MUX_CFG("BALLOUT_V8_ARMIO3", B, 18, 0, 2, 25, 1, NA, 0, 1) 173 MUX_CFG("N20_HDQ", 6, 18, 1, 1, 4, 0, 1, 4, 0) 174 175 /* OMAP-1610 MMC2 */ 176 MUX_CFG("W8_1610_MMC2_DAT0", B, 21, 6, 2, 23, 1, 2, 1, 1) 177 MUX_CFG("V8_1610_MMC2_DAT1", B, 27, 6, 2, 25, 1, 2, 1, 1) 178 MUX_CFG("W15_1610_MMC2_DAT2", 9, 12, 6, 2, 5, 1, 2, 1, 1) 179 MUX_CFG("R10_1610_MMC2_DAT3", B, 18, 6, 2, 22, 1, 2, 1, 1) 180 MUX_CFG("Y10_1610_MMC2_CLK", B, 3, 6, 2, 17, 0, 2, 0, 1) 181 MUX_CFG("Y8_1610_MMC2_CMD", B, 24, 6, 2, 24, 1, 2, 1, 1) 182 MUX_CFG("V9_1610_MMC2_CMDDIR", B, 12, 6, 2, 20, 0, 2, 1, 1) 183 MUX_CFG("V5_1610_MMC2_DATDIR0", B, 15, 6, 2, 21, 0, 2, 1, 1) 184 MUX_CFG("W19_1610_MMC2_DATDIR1", 8, 15, 6, 1, 23, 0, 1, 1, 1) 185 MUX_CFG("R18_1610_MMC2_CLKIN", 7, 9, 6, 1, 11, 0, 1, 11, 1) 186 187 /* OMAP-1610 External Trace Interface */ 188 MUX_CFG("M19_1610_ETM_PSTAT0", 5, 27, 1, 0, 29, 0, 0, 0, 1) 189 MUX_CFG("L15_1610_ETM_PSTAT1", 5, 24, 1, 0, 28, 0, 0, 0, 1) 190 MUX_CFG("L18_1610_ETM_PSTAT2", 5, 21, 1, 0, 27, 0, 0, 0, 1) 191 MUX_CFG("L19_1610_ETM_D0", 5, 18, 1, 0, 26, 0, 0, 0, 1) 192 MUX_CFG("J19_1610_ETM_D6", 5, 0, 1, 0, 20, 0, 0, 0, 1) 193 MUX_CFG("J18_1610_ETM_D7", 5, 27, 1, 0, 19, 0, 0, 0, 1) 194 195 /* OMAP16XX GPIO */ 196 MUX_CFG("P20_1610_GPIO4", 6, 27, 0, 1, 7, 0, 1, 1, 1) 197 MUX_CFG("V9_1610_GPIO7", B, 12, 1, 2, 20, 0, 2, 1, 1) 198 MUX_CFG("W8_1610_GPIO9", B, 21, 0, 2, 23, 0, 2, 1, 1) 199 MUX_CFG("N20_1610_GPIO11", 6, 18, 0, 1, 4, 0, 1, 1, 1) 200 MUX_CFG("N19_1610_GPIO13", 6, 12, 0, 1, 2, 0, 1, 1, 1) 201 MUX_CFG("P10_1610_GPIO22", C, 0, 7, 2, 26, 0, 2, 1, 1) 202 MUX_CFG("V5_1610_GPIO24", B, 15, 7, 2, 21, 0, 2, 1, 1) 203 MUX_CFG("AA20_1610_GPIO_41", 9, 9, 7, 1, 31, 0, 1, 1, 1) 204 MUX_CFG("W19_1610_GPIO48", 8, 15, 7, 1, 23, 1, 1, 0, 1) 205 MUX_CFG("M7_1610_GPIO62", 10, 0, 0, 4, 24, 0, 4, 0, 1) 206 MUX_CFG("V14_16XX_GPIO37", 9, 18, 7, 2, 2, 0, 2, 2, 0) 207 MUX_CFG("R9_16XX_GPIO18", C, 18, 7, 3, 0, 0, 3, 0, 0) 208 MUX_CFG("L14_16XX_GPIO49", 6, 3, 7, 0, 31, 0, 0, 31, 0) 209 210 /* OMAP-1610 uWire */ 211 MUX_CFG("V19_1610_UWIRE_SCLK", 8, 6, 0, 1, 20, 0, 1, 1, 1) 212 MUX_CFG("U18_1610_UWIRE_SDI", 8, 0, 0, 1, 18, 0, 1, 1, 1) 213 MUX_CFG("W21_1610_UWIRE_SDO", 8, 3, 0, 1, 19, 0, 1, 1, 1) 214 MUX_CFG("N14_1610_UWIRE_CS0", 8, 9, 1, 1, 21, 0, 1, 1, 1) 215 MUX_CFG("P15_1610_UWIRE_CS3", 8, 12, 1, 1, 22, 0, 1, 1, 1) 216 MUX_CFG("N15_1610_UWIRE_CS1", 7, 18, 2, 1, 14, 0, NA, 0, 1) 217 218 /* OMAP-1610 SPI */ 219 MUX_CFG("U19_1610_SPIF_SCK", 7, 21, 6, 1, 15, 0, 1, 1, 1) 220 MUX_CFG("U18_1610_SPIF_DIN", 8, 0, 6, 1, 18, 1, 1, 0, 1) 221 MUX_CFG("P20_1610_SPIF_DIN", 6, 27, 4, 1, 7, 1, 1, 0, 1) 222 MUX_CFG("W21_1610_SPIF_DOUT", 8, 3, 6, 1, 19, 0, 1, 0, 1) 223 MUX_CFG("R18_1610_SPIF_DOUT", 7, 9, 3, 1, 11, 0, 1, 0, 1) 224 MUX_CFG("N14_1610_SPIF_CS0", 8, 9, 6, 1, 21, 0, 1, 1, 1) 225 MUX_CFG("N15_1610_SPIF_CS1", 7, 18, 6, 1, 14, 0, 1, 1, 1) 226 MUX_CFG("T19_1610_SPIF_CS2", 7, 15, 4, 1, 13, 0, 1, 1, 1) 227 MUX_CFG("P15_1610_SPIF_CS3", 8, 12, 3, 1, 22, 0, 1, 1, 1) 228 229 /* OMAP-1610 Flash */ 230 MUX_CFG("L3_1610_FLASH_CS2B_OE",10, 6, 1, NA, 0, 0, NA, 0, 1) 231 MUX_CFG("M8_1610_FLASH_CS2B_WE",10, 3, 1, NA, 0, 0, NA, 0, 1) 232 233 /* First MMC interface, same on 1510, 1610 and 1710 */ 234 MUX_CFG("MMC_CMD", A, 27, 0, 2, 15, 1, 2, 1, 1) 235 MUX_CFG("MMC_DAT1", A, 24, 0, 2, 14, 1, 2, 1, 1) 236 MUX_CFG("MMC_DAT2", A, 18, 0, 2, 12, 1, 2, 1, 1) 237 MUX_CFG("MMC_DAT0", B, 0, 0, 2, 16, 1, 2, 1, 1) 238 MUX_CFG("MMC_CLK", A, 21, 0, NA, 0, 0, NA, 0, 1) 239 MUX_CFG("MMC_DAT3", 10, 15, 0, 3, 8, 1, 3, 1, 1) 240 MUX_CFG("M15_1710_MMC_CLKI", 6, 21, 2, 0, 0, 0, NA, 0, 1) 241 MUX_CFG("P19_1710_MMC_CMDDIR", 6, 24, 6, 0, 0, 0, NA, 0, 1) 242 MUX_CFG("P20_1710_MMC_DATDIR0", 6, 27, 5, 0, 0, 0, NA, 0, 1) 243 244 /* OMAP-1610 USB0 alternate configuration */ 245 MUX_CFG("W9_USB0_TXEN", B, 9, 5, 2, 19, 0, 2, 0, 1) 246 MUX_CFG("AA9_USB0_VP", B, 6, 5, 2, 18, 0, 2, 0, 1) 247 MUX_CFG("Y5_USB0_RCV", C, 21, 5, 3, 1, 0, 1, 0, 1) 248 MUX_CFG("R9_USB0_VM", C, 18, 5, 3, 0, 0, 3, 0, 1) 249 MUX_CFG("V6_USB0_TXD", C, 27, 5, 3, 3, 0, 3, 0, 1) 250 MUX_CFG("W5_USB0_SE0", C, 24, 5, 3, 2, 0, 3, 0, 1) 251 MUX_CFG("V9_USB0_SPEED", B, 12, 5, 2, 20, 0, 2, 0, 1) 252 MUX_CFG("Y10_USB0_SUSP", B, 3, 5, 2, 17, 0, 2, 0, 1) 253 254 /* USB2 interface */ 255 MUX_CFG("W9_USB2_TXEN", B, 9, 1, NA, 0, 0, NA, 0, 1) 256 MUX_CFG("AA9_USB2_VP", B, 6, 1, NA, 0, 0, NA, 0, 1) 257 MUX_CFG("Y5_USB2_RCV", C, 21, 1, NA, 0, 0, NA, 0, 1) 258 MUX_CFG("R9_USB2_VM", C, 18, 1, NA, 0, 0, NA, 0, 1) 259 MUX_CFG("V6_USB2_TXD", C, 27, 2, NA, 0, 0, NA, 0, 1) 260 MUX_CFG("W5_USB2_SE0", C, 24, 2, NA, 0, 0, NA, 0, 1) 261 262 /* 16XX UART */ 263 MUX_CFG("R13_1610_UART1_TX", A, 12, 6, 2, 10, 0, 2, 10, 1) 264 MUX_CFG("V14_16XX_UART1_RX", 9, 18, 0, 2, 2, 0, 2, 2, 1) 265 MUX_CFG("R14_1610_UART1_CTS", 9, 15, 0, 2, 1, 0, 2, 1, 1) 266 MUX_CFG("AA15_1610_UART1_RTS", 9, 12, 1, 2, 0, 0, 2, 0, 1) 267 MUX_CFG("R9_16XX_UART2_RX", C, 18, 0, 3, 0, 0, 3, 0, 1) 268 MUX_CFG("L14_16XX_UART3_RX", 6, 3, 0, 0, 31, 0, 0, 31, 1) 269 270 /* I2C interface */ 271 MUX_CFG("I2C_SCL", 7, 24, 0, NA, 0, 0, NA, 0, 0) 272 MUX_CFG("I2C_SDA", 7, 27, 0, NA, 0, 0, NA, 0, 0) 273 274 /* Keypad */ 275 MUX_CFG("F18_1610_KBC0", 3, 15, 0, 0, 5, 1, 0, 0, 0) 276 MUX_CFG("D20_1610_KBC1", 3, 12, 0, 0, 4, 1, 0, 0, 0) 277 MUX_CFG("D19_1610_KBC2", 3, 9, 0, 0, 3, 1, 0, 0, 0) 278 MUX_CFG("E18_1610_KBC3", 3, 6, 0, 0, 2, 1, 0, 0, 0) 279 MUX_CFG("C21_1610_KBC4", 3, 3, 0, 0, 1, 1, 0, 0, 0) 280 MUX_CFG("G18_1610_KBR0", 4, 0, 0, 0, 10, 1, 0, 1, 0) 281 MUX_CFG("F19_1610_KBR1", 3, 27, 0, 0, 9, 1, 0, 1, 0) 282 MUX_CFG("H14_1610_KBR2", 3, 24, 0, 0, 8, 1, 0, 1, 0) 283 MUX_CFG("E20_1610_KBR3", 3, 21, 0, 0, 7, 1, 0, 1, 0) 284 MUX_CFG("E19_1610_KBR4", 3, 18, 0, 0, 6, 1, 0, 1, 0) 285 MUX_CFG("N19_1610_KBR5", 6, 12, 1, 1, 2, 1, 1, 1, 0) 286 287 /* Power management */ 288 MUX_CFG("T20_1610_LOW_PWR", 7, 12, 1, NA, 0, 0, NA, 0, 0) 289 290 /* MCLK Settings */ 291 MUX_CFG("V5_1710_MCLK_ON", B, 15, 0, NA, 0, 0, NA, 0, 0) 292 MUX_CFG("V5_1710_MCLK_OFF", B, 15, 6, NA, 0, 0, NA, 0, 0) 293 MUX_CFG("R10_1610_MCLK_ON", B, 18, 0, NA, 22, 0, NA, 1, 0) 294 MUX_CFG("R10_1610_MCLK_OFF", B, 18, 6, 2, 22, 1, 2, 1, 1) 295 296 /* CompactFlash controller, conflicts with MMC1 */ 297 MUX_CFG("P11_1610_CF_CD2", A, 27, 3, 2, 15, 1, 2, 1, 1) 298 MUX_CFG("R11_1610_CF_IOIS16", B, 0, 3, 2, 16, 1, 2, 1, 1) 299 MUX_CFG("V10_1610_CF_IREQ", A, 24, 3, 2, 14, 0, 2, 0, 1) 300 MUX_CFG("W10_1610_CF_RESET", A, 18, 3, 2, 12, 1, 2, 1, 1) 301 MUX_CFG("W11_1610_CF_CD1", 10, 15, 3, 3, 8, 1, 3, 1, 1) 302 303 /* parallel camera */ 304 MUX_CFG("J15_1610_CAM_LCLK", 4, 24, 0, 0, 18, 1, 0, 0, 0) 305 MUX_CFG("J18_1610_CAM_D7", 4, 27, 0, 0, 19, 1, 0, 0, 0) 306 MUX_CFG("J19_1610_CAM_D6", 5, 0, 0, 0, 20, 1, 0, 0, 0) 307 MUX_CFG("J14_1610_CAM_D5", 5, 3, 0, 0, 21, 1, 0, 0, 0) 308 MUX_CFG("K18_1610_CAM_D4", 5, 6, 0, 0, 22, 1, 0, 0, 0) 309 MUX_CFG("K19_1610_CAM_D3", 5, 9, 0, 0, 23, 1, 0, 0, 0) 310 MUX_CFG("K15_1610_CAM_D2", 5, 12, 0, 0, 24, 1, 0, 0, 0) 311 MUX_CFG("K14_1610_CAM_D1", 5, 15, 0, 0, 25, 1, 0, 0, 0) 312 MUX_CFG("L19_1610_CAM_D0", 5, 18, 0, 0, 26, 1, 0, 0, 0) 313 MUX_CFG("L18_1610_CAM_VS", 5, 21, 0, 0, 27, 1, 0, 0, 0) 314 MUX_CFG("L15_1610_CAM_HS", 5, 24, 0, 0, 28, 1, 0, 0, 0) 315 MUX_CFG("M19_1610_CAM_RSTZ", 5, 27, 0, 0, 29, 0, 0, 0, 0) 316 MUX_CFG("Y15_1610_CAM_OUTCLK", A, 0, 6, 2, 6, 0, 2, 0, 0) 317 318 /* serial camera */ 319 MUX_CFG("H19_1610_CAM_EXCLK", 4, 21, 0, 0, 17, 0, 0, 0, 0) 320 /* REVISIT 5912 spec sez CCP_* can't pullup or pulldown ... ? */ 321 MUX_CFG("Y12_1610_CCP_CLKP", 8, 18, 6, 1, 24, 1, 1, 0, 0) 322 MUX_CFG("W13_1610_CCP_CLKM", 9, 0, 6, 1, 28, 1, 1, 0, 0) 323 MUX_CFG("W14_1610_CCP_DATAP", 9, 24, 6, 2, 4, 1, 2, 0, 0) 324 MUX_CFG("Y14_1610_CCP_DATAM", 9, 21, 6, 2, 3, 1, 2, 0, 0) 325 }; 326 #define OMAP1XXX_PINS_SZ ARRAY_SIZE(omap1xxx_pins) 327 #else 328 #define omap1xxx_pins NULL 329 #define OMAP1XXX_PINS_SZ 0 330 #endif /* CONFIG_ARCH_OMAP15XX || CONFIG_ARCH_OMAP16XX */ 331 332 static int omap1_cfg_reg(const struct pin_config *cfg) 333 { 334 static DEFINE_SPINLOCK(mux_spin_lock); 335 unsigned long flags; 336 unsigned int reg_orig = 0, reg = 0, pu_pd_orig = 0, pu_pd = 0, 337 pull_orig = 0, pull = 0; 338 unsigned int mask, warn = 0; 339 340 /* Check the mux register in question */ 341 if (cfg->mux_reg) { 342 unsigned tmp1, tmp2; 343 344 spin_lock_irqsave(&mux_spin_lock, flags); 345 reg_orig = omap_readl(cfg->mux_reg); 346 347 /* The mux registers always seem to be 3 bits long */ 348 mask = (0x7 << cfg->mask_offset); 349 tmp1 = reg_orig & mask; 350 reg = reg_orig & ~mask; 351 352 tmp2 = (cfg->mask << cfg->mask_offset); 353 reg |= tmp2; 354 355 if (tmp1 != tmp2) 356 warn = 1; 357 358 omap_writel(reg, cfg->mux_reg); 359 spin_unlock_irqrestore(&mux_spin_lock, flags); 360 } 361 362 /* Check for pull up or pull down selection on 1610 */ 363 if (!cpu_is_omap15xx()) { 364 if (cfg->pu_pd_reg && cfg->pull_val) { 365 spin_lock_irqsave(&mux_spin_lock, flags); 366 pu_pd_orig = omap_readl(cfg->pu_pd_reg); 367 mask = 1 << cfg->pull_bit; 368 369 if (cfg->pu_pd_val) { 370 if (!(pu_pd_orig & mask)) 371 warn = 1; 372 /* Use pull up */ 373 pu_pd = pu_pd_orig | mask; 374 } else { 375 if (pu_pd_orig & mask) 376 warn = 1; 377 /* Use pull down */ 378 pu_pd = pu_pd_orig & ~mask; 379 } 380 omap_writel(pu_pd, cfg->pu_pd_reg); 381 spin_unlock_irqrestore(&mux_spin_lock, flags); 382 } 383 } 384 385 /* Check for an associated pull down register */ 386 if (cfg->pull_reg) { 387 spin_lock_irqsave(&mux_spin_lock, flags); 388 pull_orig = omap_readl(cfg->pull_reg); 389 mask = 1 << cfg->pull_bit; 390 391 if (cfg->pull_val) { 392 if (pull_orig & mask) 393 warn = 1; 394 /* Low bit = pull enabled */ 395 pull = pull_orig & ~mask; 396 } else { 397 if (!(pull_orig & mask)) 398 warn = 1; 399 /* High bit = pull disabled */ 400 pull = pull_orig | mask; 401 } 402 403 omap_writel(pull, cfg->pull_reg); 404 spin_unlock_irqrestore(&mux_spin_lock, flags); 405 } 406 407 if (warn) { 408 #ifdef CONFIG_OMAP_MUX_WARNINGS 409 printk(KERN_WARNING "MUX: initialized %s\n", cfg->name); 410 #endif 411 } 412 413 #ifdef CONFIG_OMAP_MUX_DEBUG 414 if (cfg->debug || warn) { 415 printk("MUX: Setting register %s\n", cfg->name); 416 printk(" %s (0x%08x) = 0x%08x -> 0x%08x\n", 417 cfg->mux_reg_name, cfg->mux_reg, reg_orig, reg); 418 419 if (!cpu_is_omap15xx()) { 420 if (cfg->pu_pd_reg && cfg->pull_val) { 421 printk(" %s (0x%08x) = 0x%08x -> 0x%08x\n", 422 cfg->pu_pd_name, cfg->pu_pd_reg, 423 pu_pd_orig, pu_pd); 424 } 425 } 426 427 if (cfg->pull_reg) 428 printk(" %s (0x%08x) = 0x%08x -> 0x%08x\n", 429 cfg->pull_name, cfg->pull_reg, pull_orig, pull); 430 } 431 #endif 432 433 #ifdef CONFIG_OMAP_MUX_WARNINGS 434 return warn ? -ETXTBSY : 0; 435 #else 436 return 0; 437 #endif 438 } 439 440 static struct omap_mux_cfg *mux_cfg; 441 442 int __init omap_mux_register(struct omap_mux_cfg *arch_mux_cfg) 443 { 444 if (!arch_mux_cfg || !arch_mux_cfg->pins || arch_mux_cfg->size == 0 445 || !arch_mux_cfg->cfg_reg) { 446 printk(KERN_ERR "Invalid pin table\n"); 447 return -EINVAL; 448 } 449 450 mux_cfg = arch_mux_cfg; 451 452 return 0; 453 } 454 455 /* 456 * Sets the Omap MUX and PULL_DWN registers based on the table 457 */ 458 int omap_cfg_reg(const unsigned long index) 459 { 460 struct pin_config *reg; 461 462 if (!cpu_class_is_omap1()) { 463 printk(KERN_ERR "mux: Broken omap_cfg_reg(%lu) entry\n", 464 index); 465 WARN_ON(1); 466 return -EINVAL; 467 } 468 469 if (mux_cfg == NULL) { 470 printk(KERN_ERR "Pin mux table not initialized\n"); 471 return -ENODEV; 472 } 473 474 if (index >= mux_cfg->size) { 475 printk(KERN_ERR "Invalid pin mux index: %lu (%lu)\n", 476 index, mux_cfg->size); 477 dump_stack(); 478 return -ENODEV; 479 } 480 481 reg = &mux_cfg->pins[index]; 482 483 if (!mux_cfg->cfg_reg) 484 return -ENODEV; 485 486 return mux_cfg->cfg_reg(reg); 487 } 488 EXPORT_SYMBOL(omap_cfg_reg); 489 490 int __init omap1_mux_init(void) 491 { 492 if (cpu_is_omap7xx()) { 493 arch_mux_cfg.pins = omap7xx_pins; 494 arch_mux_cfg.size = OMAP7XX_PINS_SZ; 495 arch_mux_cfg.cfg_reg = omap1_cfg_reg; 496 } 497 498 if (cpu_is_omap15xx() || cpu_is_omap16xx()) { 499 arch_mux_cfg.pins = omap1xxx_pins; 500 arch_mux_cfg.size = OMAP1XXX_PINS_SZ; 501 arch_mux_cfg.cfg_reg = omap1_cfg_reg; 502 } 503 504 return omap_mux_register(&arch_mux_cfg); 505 } 506 507 #else 508 #define omap_mux_init() do {} while(0) 509 #define omap_cfg_reg(x) do {} while(0) 510 #endif /* CONFIG_OMAP_MUX */ 511 512