b.liu | e958203 | 2025-04-17 19:18:16 +0800 | [diff] [blame^] | 1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
| 2 | /* |
| 3 | * arch/arm/plat-omap/include/mach/mux.h |
| 4 | * |
| 5 | * Table of the Omap register configurations for the FUNC_MUX and |
| 6 | * PULL_DWN combinations. |
| 7 | * |
| 8 | * Copyright (C) 2004 - 2008 Texas Instruments Inc. |
| 9 | * Copyright (C) 2003 - 2008 Nokia Corporation |
| 10 | * |
| 11 | * Written by Tony Lindgren |
| 12 | * |
| 13 | * NOTE: Please use the following naming style for new pin entries. |
| 14 | * For example, W8_1610_MMC2_DAT0, where: |
| 15 | * - W8 = ball |
| 16 | * - 1610 = 1510 or 1610, none if common for both 1510 and 1610 |
| 17 | * - MMC2_DAT0 = function |
| 18 | */ |
| 19 | |
| 20 | #ifndef __ASM_ARCH_MUX_H |
| 21 | #define __ASM_ARCH_MUX_H |
| 22 | |
| 23 | #define PU_PD_SEL_NA 0 /* No pu_pd reg available */ |
| 24 | #define PULL_DWN_CTRL_NA 0 /* No pull-down control needed */ |
| 25 | |
| 26 | #ifdef CONFIG_OMAP_MUX_DEBUG |
| 27 | #define MUX_REG(reg, mode_offset, mode) .mux_reg_name = "FUNC_MUX_CTRL_"#reg, \ |
| 28 | .mux_reg = FUNC_MUX_CTRL_##reg, \ |
| 29 | .mask_offset = mode_offset, \ |
| 30 | .mask = mode, |
| 31 | |
| 32 | #define PULL_REG(reg, bit, status) .pull_name = "PULL_DWN_CTRL_"#reg, \ |
| 33 | .pull_reg = PULL_DWN_CTRL_##reg, \ |
| 34 | .pull_bit = bit, \ |
| 35 | .pull_val = status, |
| 36 | |
| 37 | #define PU_PD_REG(reg, status) .pu_pd_name = "PU_PD_SEL_"#reg, \ |
| 38 | .pu_pd_reg = PU_PD_SEL_##reg, \ |
| 39 | .pu_pd_val = status, |
| 40 | |
| 41 | #define MUX_REG_7XX(reg, mode_offset, mode) .mux_reg_name = "OMAP7XX_IO_CONF_"#reg, \ |
| 42 | .mux_reg = OMAP7XX_IO_CONF_##reg, \ |
| 43 | .mask_offset = mode_offset, \ |
| 44 | .mask = mode, |
| 45 | |
| 46 | #define PULL_REG_7XX(reg, bit, status) .pull_name = "OMAP7XX_IO_CONF_"#reg, \ |
| 47 | .pull_reg = OMAP7XX_IO_CONF_##reg, \ |
| 48 | .pull_bit = bit, \ |
| 49 | .pull_val = status, |
| 50 | |
| 51 | #else |
| 52 | |
| 53 | #define MUX_REG(reg, mode_offset, mode) .mux_reg = FUNC_MUX_CTRL_##reg, \ |
| 54 | .mask_offset = mode_offset, \ |
| 55 | .mask = mode, |
| 56 | |
| 57 | #define PULL_REG(reg, bit, status) .pull_reg = PULL_DWN_CTRL_##reg, \ |
| 58 | .pull_bit = bit, \ |
| 59 | .pull_val = status, |
| 60 | |
| 61 | #define PU_PD_REG(reg, status) .pu_pd_reg = PU_PD_SEL_##reg, \ |
| 62 | .pu_pd_val = status, |
| 63 | |
| 64 | #define MUX_REG_7XX(reg, mode_offset, mode) \ |
| 65 | .mux_reg = OMAP7XX_IO_CONF_##reg, \ |
| 66 | .mask_offset = mode_offset, \ |
| 67 | .mask = mode, |
| 68 | |
| 69 | #define PULL_REG_7XX(reg, bit, status) .pull_reg = OMAP7XX_IO_CONF_##reg, \ |
| 70 | .pull_bit = bit, \ |
| 71 | .pull_val = status, |
| 72 | |
| 73 | #endif /* CONFIG_OMAP_MUX_DEBUG */ |
| 74 | |
| 75 | #define MUX_CFG(desc, mux_reg, mode_offset, mode, \ |
| 76 | pull_reg, pull_bit, pull_status, \ |
| 77 | pu_pd_reg, pu_pd_status, debug_status) \ |
| 78 | { \ |
| 79 | .name = desc, \ |
| 80 | .debug = debug_status, \ |
| 81 | MUX_REG(mux_reg, mode_offset, mode) \ |
| 82 | PULL_REG(pull_reg, pull_bit, pull_status) \ |
| 83 | PU_PD_REG(pu_pd_reg, pu_pd_status) \ |
| 84 | }, |
| 85 | |
| 86 | |
| 87 | /* |
| 88 | * OMAP730/850 has a slightly different config for the pin mux. |
| 89 | * - config regs are the OMAP7XX_IO_CONF_x regs (see omap7xx.h) regs and |
| 90 | * not the FUNC_MUX_CTRL_x regs from hardware.h |
| 91 | * - for pull-up/down, only has one enable bit which is is in the same register |
| 92 | * as mux config |
| 93 | */ |
| 94 | #define MUX_CFG_7XX(desc, mux_reg, mode_offset, mode, \ |
| 95 | pull_bit, pull_status, debug_status)\ |
| 96 | { \ |
| 97 | .name = desc, \ |
| 98 | .debug = debug_status, \ |
| 99 | MUX_REG_7XX(mux_reg, mode_offset, mode) \ |
| 100 | PULL_REG_7XX(mux_reg, pull_bit, pull_status) \ |
| 101 | PU_PD_REG(NA, 0) \ |
| 102 | }, |
| 103 | |
| 104 | struct pin_config { |
| 105 | char *name; |
| 106 | const unsigned int mux_reg; |
| 107 | unsigned char debug; |
| 108 | |
| 109 | const unsigned char mask_offset; |
| 110 | const unsigned char mask; |
| 111 | |
| 112 | const char *pull_name; |
| 113 | const unsigned int pull_reg; |
| 114 | const unsigned char pull_val; |
| 115 | const unsigned char pull_bit; |
| 116 | |
| 117 | const char *pu_pd_name; |
| 118 | const unsigned int pu_pd_reg; |
| 119 | const unsigned char pu_pd_val; |
| 120 | |
| 121 | #if defined(CONFIG_OMAP_MUX_DEBUG) || defined(CONFIG_OMAP_MUX_WARNINGS) |
| 122 | const char *mux_reg_name; |
| 123 | #endif |
| 124 | |
| 125 | }; |
| 126 | |
| 127 | enum omap7xx_index { |
| 128 | /* OMAP 730 keyboard */ |
| 129 | E2_7XX_KBR0, |
| 130 | J7_7XX_KBR1, |
| 131 | E1_7XX_KBR2, |
| 132 | F3_7XX_KBR3, |
| 133 | D2_7XX_KBR4, |
| 134 | C2_7XX_KBC0, |
| 135 | D3_7XX_KBC1, |
| 136 | E4_7XX_KBC2, |
| 137 | F4_7XX_KBC3, |
| 138 | E3_7XX_KBC4, |
| 139 | |
| 140 | /* USB */ |
| 141 | AA17_7XX_USB_DM, |
| 142 | W16_7XX_USB_PU_EN, |
| 143 | W17_7XX_USB_VBUSI, |
| 144 | W18_7XX_USB_DMCK_OUT, |
| 145 | W19_7XX_USB_DCRST, |
| 146 | |
| 147 | /* MMC */ |
| 148 | MMC_7XX_CMD, |
| 149 | MMC_7XX_CLK, |
| 150 | MMC_7XX_DAT0, |
| 151 | |
| 152 | /* I2C */ |
| 153 | I2C_7XX_SCL, |
| 154 | I2C_7XX_SDA, |
| 155 | |
| 156 | /* SPI */ |
| 157 | SPI_7XX_1, |
| 158 | SPI_7XX_2, |
| 159 | SPI_7XX_3, |
| 160 | SPI_7XX_4, |
| 161 | SPI_7XX_5, |
| 162 | SPI_7XX_6, |
| 163 | |
| 164 | /* UART */ |
| 165 | UART_7XX_1, |
| 166 | UART_7XX_2, |
| 167 | }; |
| 168 | |
| 169 | enum omap1xxx_index { |
| 170 | /* UART1 (BT_UART_GATING)*/ |
| 171 | UART1_TX = 0, |
| 172 | UART1_RTS, |
| 173 | |
| 174 | /* UART2 (COM_UART_GATING)*/ |
| 175 | UART2_TX, |
| 176 | UART2_RX, |
| 177 | UART2_CTS, |
| 178 | UART2_RTS, |
| 179 | |
| 180 | /* UART3 (GIGA_UART_GATING) */ |
| 181 | UART3_TX, |
| 182 | UART3_RX, |
| 183 | UART3_CTS, |
| 184 | UART3_RTS, |
| 185 | UART3_CLKREQ, |
| 186 | UART3_BCLK, /* 12MHz clock out */ |
| 187 | Y15_1610_UART3_RTS, |
| 188 | |
| 189 | /* PWT & PWL */ |
| 190 | PWT, |
| 191 | PWL, |
| 192 | |
| 193 | /* USB master generic */ |
| 194 | R18_USB_VBUS, |
| 195 | R18_1510_USB_GPIO0, |
| 196 | W4_USB_PUEN, |
| 197 | W4_USB_CLKO, |
| 198 | W4_USB_HIGHZ, |
| 199 | W4_GPIO58, |
| 200 | |
| 201 | /* USB1 master */ |
| 202 | USB1_SUSP, |
| 203 | USB1_SEO, |
| 204 | W13_1610_USB1_SE0, |
| 205 | USB1_TXEN, |
| 206 | USB1_TXD, |
| 207 | USB1_VP, |
| 208 | USB1_VM, |
| 209 | USB1_RCV, |
| 210 | USB1_SPEED, |
| 211 | R13_1610_USB1_SPEED, |
| 212 | R13_1710_USB1_SE0, |
| 213 | |
| 214 | /* USB2 master */ |
| 215 | USB2_SUSP, |
| 216 | USB2_VP, |
| 217 | USB2_TXEN, |
| 218 | USB2_VM, |
| 219 | USB2_RCV, |
| 220 | USB2_SEO, |
| 221 | USB2_TXD, |
| 222 | |
| 223 | /* OMAP-1510 GPIO */ |
| 224 | R18_1510_GPIO0, |
| 225 | R19_1510_GPIO1, |
| 226 | M14_1510_GPIO2, |
| 227 | |
| 228 | /* OMAP1610 GPIO */ |
| 229 | P18_1610_GPIO3, |
| 230 | Y15_1610_GPIO17, |
| 231 | |
| 232 | /* OMAP-1710 GPIO */ |
| 233 | R18_1710_GPIO0, |
| 234 | V2_1710_GPIO10, |
| 235 | N21_1710_GPIO14, |
| 236 | W15_1710_GPIO40, |
| 237 | |
| 238 | /* MPUIO */ |
| 239 | MPUIO2, |
| 240 | N15_1610_MPUIO2, |
| 241 | MPUIO4, |
| 242 | MPUIO5, |
| 243 | T20_1610_MPUIO5, |
| 244 | W11_1610_MPUIO6, |
| 245 | V10_1610_MPUIO7, |
| 246 | W11_1610_MPUIO9, |
| 247 | V10_1610_MPUIO10, |
| 248 | W10_1610_MPUIO11, |
| 249 | E20_1610_MPUIO13, |
| 250 | U20_1610_MPUIO14, |
| 251 | E19_1610_MPUIO15, |
| 252 | |
| 253 | /* MCBSP2 */ |
| 254 | MCBSP2_CLKR, |
| 255 | MCBSP2_CLKX, |
| 256 | MCBSP2_DR, |
| 257 | MCBSP2_DX, |
| 258 | MCBSP2_FSR, |
| 259 | MCBSP2_FSX, |
| 260 | |
| 261 | /* MCBSP3 */ |
| 262 | MCBSP3_CLKX, |
| 263 | |
| 264 | /* Misc ballouts */ |
| 265 | BALLOUT_V8_ARMIO3, |
| 266 | N20_HDQ, |
| 267 | |
| 268 | /* OMAP-1610 MMC2 */ |
| 269 | W8_1610_MMC2_DAT0, |
| 270 | V8_1610_MMC2_DAT1, |
| 271 | W15_1610_MMC2_DAT2, |
| 272 | R10_1610_MMC2_DAT3, |
| 273 | Y10_1610_MMC2_CLK, |
| 274 | Y8_1610_MMC2_CMD, |
| 275 | V9_1610_MMC2_CMDDIR, |
| 276 | V5_1610_MMC2_DATDIR0, |
| 277 | W19_1610_MMC2_DATDIR1, |
| 278 | R18_1610_MMC2_CLKIN, |
| 279 | |
| 280 | /* OMAP-1610 External Trace Interface */ |
| 281 | M19_1610_ETM_PSTAT0, |
| 282 | L15_1610_ETM_PSTAT1, |
| 283 | L18_1610_ETM_PSTAT2, |
| 284 | L19_1610_ETM_D0, |
| 285 | J19_1610_ETM_D6, |
| 286 | J18_1610_ETM_D7, |
| 287 | |
| 288 | /* OMAP16XX GPIO */ |
| 289 | P20_1610_GPIO4, |
| 290 | V9_1610_GPIO7, |
| 291 | W8_1610_GPIO9, |
| 292 | N20_1610_GPIO11, |
| 293 | N19_1610_GPIO13, |
| 294 | P10_1610_GPIO22, |
| 295 | V5_1610_GPIO24, |
| 296 | AA20_1610_GPIO_41, |
| 297 | W19_1610_GPIO48, |
| 298 | M7_1610_GPIO62, |
| 299 | V14_16XX_GPIO37, |
| 300 | R9_16XX_GPIO18, |
| 301 | L14_16XX_GPIO49, |
| 302 | |
| 303 | /* OMAP-1610 uWire */ |
| 304 | V19_1610_UWIRE_SCLK, |
| 305 | U18_1610_UWIRE_SDI, |
| 306 | W21_1610_UWIRE_SDO, |
| 307 | N14_1610_UWIRE_CS0, |
| 308 | P15_1610_UWIRE_CS3, |
| 309 | N15_1610_UWIRE_CS1, |
| 310 | |
| 311 | /* OMAP-1610 SPI */ |
| 312 | U19_1610_SPIF_SCK, |
| 313 | U18_1610_SPIF_DIN, |
| 314 | P20_1610_SPIF_DIN, |
| 315 | W21_1610_SPIF_DOUT, |
| 316 | R18_1610_SPIF_DOUT, |
| 317 | N14_1610_SPIF_CS0, |
| 318 | N15_1610_SPIF_CS1, |
| 319 | T19_1610_SPIF_CS2, |
| 320 | P15_1610_SPIF_CS3, |
| 321 | |
| 322 | /* OMAP-1610 Flash */ |
| 323 | L3_1610_FLASH_CS2B_OE, |
| 324 | M8_1610_FLASH_CS2B_WE, |
| 325 | |
| 326 | /* First MMC */ |
| 327 | MMC_CMD, |
| 328 | MMC_DAT1, |
| 329 | MMC_DAT2, |
| 330 | MMC_DAT0, |
| 331 | MMC_CLK, |
| 332 | MMC_DAT3, |
| 333 | |
| 334 | /* OMAP-1710 MMC CMDDIR and DATDIR0 */ |
| 335 | M15_1710_MMC_CLKI, |
| 336 | P19_1710_MMC_CMDDIR, |
| 337 | P20_1710_MMC_DATDIR0, |
| 338 | |
| 339 | /* OMAP-1610 USB0 alternate pin configuration */ |
| 340 | W9_USB0_TXEN, |
| 341 | AA9_USB0_VP, |
| 342 | Y5_USB0_RCV, |
| 343 | R9_USB0_VM, |
| 344 | V6_USB0_TXD, |
| 345 | W5_USB0_SE0, |
| 346 | V9_USB0_SPEED, |
| 347 | V9_USB0_SUSP, |
| 348 | |
| 349 | /* USB2 */ |
| 350 | W9_USB2_TXEN, |
| 351 | AA9_USB2_VP, |
| 352 | Y5_USB2_RCV, |
| 353 | R9_USB2_VM, |
| 354 | V6_USB2_TXD, |
| 355 | W5_USB2_SE0, |
| 356 | |
| 357 | /* 16XX UART */ |
| 358 | R13_1610_UART1_TX, |
| 359 | V14_16XX_UART1_RX, |
| 360 | R14_1610_UART1_CTS, |
| 361 | AA15_1610_UART1_RTS, |
| 362 | R9_16XX_UART2_RX, |
| 363 | L14_16XX_UART3_RX, |
| 364 | |
| 365 | /* I2C OMAP-1610 */ |
| 366 | I2C_SCL, |
| 367 | I2C_SDA, |
| 368 | |
| 369 | /* Keypad */ |
| 370 | F18_1610_KBC0, |
| 371 | D20_1610_KBC1, |
| 372 | D19_1610_KBC2, |
| 373 | E18_1610_KBC3, |
| 374 | C21_1610_KBC4, |
| 375 | G18_1610_KBR0, |
| 376 | F19_1610_KBR1, |
| 377 | H14_1610_KBR2, |
| 378 | E20_1610_KBR3, |
| 379 | E19_1610_KBR4, |
| 380 | N19_1610_KBR5, |
| 381 | |
| 382 | /* Power management */ |
| 383 | T20_1610_LOW_PWR, |
| 384 | |
| 385 | /* MCLK Settings */ |
| 386 | V5_1710_MCLK_ON, |
| 387 | V5_1710_MCLK_OFF, |
| 388 | R10_1610_MCLK_ON, |
| 389 | R10_1610_MCLK_OFF, |
| 390 | |
| 391 | /* CompactFlash controller */ |
| 392 | P11_1610_CF_CD2, |
| 393 | R11_1610_CF_IOIS16, |
| 394 | V10_1610_CF_IREQ, |
| 395 | W10_1610_CF_RESET, |
| 396 | W11_1610_CF_CD1, |
| 397 | |
| 398 | /* parallel camera */ |
| 399 | J15_1610_CAM_LCLK, |
| 400 | J18_1610_CAM_D7, |
| 401 | J19_1610_CAM_D6, |
| 402 | J14_1610_CAM_D5, |
| 403 | K18_1610_CAM_D4, |
| 404 | K19_1610_CAM_D3, |
| 405 | K15_1610_CAM_D2, |
| 406 | K14_1610_CAM_D1, |
| 407 | L19_1610_CAM_D0, |
| 408 | L18_1610_CAM_VS, |
| 409 | L15_1610_CAM_HS, |
| 410 | M19_1610_CAM_RSTZ, |
| 411 | Y15_1610_CAM_OUTCLK, |
| 412 | |
| 413 | /* serial camera */ |
| 414 | H19_1610_CAM_EXCLK, |
| 415 | Y12_1610_CCP_CLKP, |
| 416 | W13_1610_CCP_CLKM, |
| 417 | W14_1610_CCP_DATAP, |
| 418 | Y14_1610_CCP_DATAM, |
| 419 | |
| 420 | }; |
| 421 | |
| 422 | struct omap_mux_cfg { |
| 423 | struct pin_config *pins; |
| 424 | unsigned long size; |
| 425 | int (*cfg_reg)(const struct pin_config *cfg); |
| 426 | }; |
| 427 | |
| 428 | #ifdef CONFIG_OMAP_MUX |
| 429 | /* setup pin muxing in Linux */ |
| 430 | extern int omap1_mux_init(void); |
| 431 | extern int omap_mux_register(struct omap_mux_cfg *); |
| 432 | extern int omap_cfg_reg(unsigned long reg_cfg); |
| 433 | #else |
| 434 | /* boot loader does it all (no warnings from CONFIG_OMAP_MUX_WARNINGS) */ |
| 435 | static inline int omap1_mux_init(void) { return 0; } |
| 436 | static inline int omap_cfg_reg(unsigned long reg_cfg) { return 0; } |
| 437 | #endif |
| 438 | |
| 439 | extern int omap2_mux_init(void); |
| 440 | |
| 441 | #endif |