| /* SPDX-License-Identifier: GPL-2.0-only */ | |
| /* | |
| * Common Multi-Function Pin Definitions | |
| * | |
| * Copyright (C) 2007 Marvell International Ltd. | |
| * | |
| * 2007-8-21: eric miao <eric.miao@marvell.com> | |
| * initial version | |
| */ | |
| #ifndef __ASM_PLAT_MFP_H | |
| #define __ASM_PLAT_MFP_H | |
| #define mfp_to_gpio(m) ((m) % 256) | |
| /* list of all the configurable MFP pins */ | |
| enum { | |
| MFP_PIN_INVALID = -1, | |
| MFP_PIN_GPIO0 = 0, | |
| MFP_PIN_GPIO1, | |
| MFP_PIN_GPIO2, | |
| MFP_PIN_GPIO3, | |
| MFP_PIN_GPIO4, | |
| MFP_PIN_GPIO5, | |
| MFP_PIN_GPIO6, | |
| MFP_PIN_GPIO7, | |
| MFP_PIN_GPIO8, | |
| MFP_PIN_GPIO9, | |
| MFP_PIN_GPIO10, | |
| MFP_PIN_GPIO11, | |
| MFP_PIN_GPIO12, | |
| MFP_PIN_GPIO13, | |
| MFP_PIN_GPIO14, | |
| MFP_PIN_GPIO15, | |
| MFP_PIN_GPIO16, | |
| MFP_PIN_GPIO17, | |
| MFP_PIN_GPIO18, | |
| MFP_PIN_GPIO19, | |
| MFP_PIN_GPIO20, | |
| MFP_PIN_GPIO21, | |
| MFP_PIN_GPIO22, | |
| MFP_PIN_GPIO23, | |
| MFP_PIN_GPIO24, | |
| MFP_PIN_GPIO25, | |
| MFP_PIN_GPIO26, | |
| MFP_PIN_GPIO27, | |
| MFP_PIN_GPIO28, | |
| MFP_PIN_GPIO29, | |
| MFP_PIN_GPIO30, | |
| MFP_PIN_GPIO31, | |
| MFP_PIN_GPIO32, | |
| MFP_PIN_GPIO33, | |
| MFP_PIN_GPIO34, | |
| MFP_PIN_GPIO35, | |
| MFP_PIN_GPIO36, | |
| MFP_PIN_GPIO37, | |
| MFP_PIN_GPIO38, | |
| MFP_PIN_GPIO39, | |
| MFP_PIN_GPIO40, | |
| MFP_PIN_GPIO41, | |
| MFP_PIN_GPIO42, | |
| MFP_PIN_GPIO43, | |
| MFP_PIN_GPIO44, | |
| MFP_PIN_GPIO45, | |
| MFP_PIN_GPIO46, | |
| MFP_PIN_GPIO47, | |
| MFP_PIN_GPIO48, | |
| MFP_PIN_GPIO49, | |
| MFP_PIN_GPIO50, | |
| MFP_PIN_GPIO51, | |
| MFP_PIN_GPIO52, | |
| MFP_PIN_GPIO53, | |
| MFP_PIN_GPIO54, | |
| MFP_PIN_GPIO55, | |
| MFP_PIN_GPIO56, | |
| MFP_PIN_GPIO57, | |
| MFP_PIN_GPIO58, | |
| MFP_PIN_GPIO59, | |
| MFP_PIN_GPIO60, | |
| MFP_PIN_GPIO61, | |
| MFP_PIN_GPIO62, | |
| MFP_PIN_GPIO63, | |
| MFP_PIN_GPIO64, | |
| MFP_PIN_GPIO65, | |
| MFP_PIN_GPIO66, | |
| MFP_PIN_GPIO67, | |
| MFP_PIN_GPIO68, | |
| MFP_PIN_GPIO69, | |
| MFP_PIN_GPIO70, | |
| MFP_PIN_GPIO71, | |
| MFP_PIN_GPIO72, | |
| MFP_PIN_GPIO73, | |
| MFP_PIN_GPIO74, | |
| MFP_PIN_GPIO75, | |
| MFP_PIN_GPIO76, | |
| MFP_PIN_GPIO77, | |
| MFP_PIN_GPIO78, | |
| MFP_PIN_GPIO79, | |
| MFP_PIN_GPIO80, | |
| MFP_PIN_GPIO81, | |
| MFP_PIN_GPIO82, | |
| MFP_PIN_GPIO83, | |
| MFP_PIN_GPIO84, | |
| MFP_PIN_GPIO85, | |
| MFP_PIN_GPIO86, | |
| MFP_PIN_GPIO87, | |
| MFP_PIN_GPIO88, | |
| MFP_PIN_GPIO89, | |
| MFP_PIN_GPIO90, | |
| MFP_PIN_GPIO91, | |
| MFP_PIN_GPIO92, | |
| MFP_PIN_GPIO93, | |
| MFP_PIN_GPIO94, | |
| MFP_PIN_GPIO95, | |
| MFP_PIN_GPIO96, | |
| MFP_PIN_GPIO97, | |
| MFP_PIN_GPIO98, | |
| MFP_PIN_GPIO99, | |
| MFP_PIN_GPIO100, | |
| MFP_PIN_GPIO101, | |
| MFP_PIN_GPIO102, | |
| MFP_PIN_GPIO103, | |
| MFP_PIN_GPIO104, | |
| MFP_PIN_GPIO105, | |
| MFP_PIN_GPIO106, | |
| MFP_PIN_GPIO107, | |
| MFP_PIN_GPIO108, | |
| MFP_PIN_GPIO109, | |
| MFP_PIN_GPIO110, | |
| MFP_PIN_GPIO111, | |
| MFP_PIN_GPIO112, | |
| MFP_PIN_GPIO113, | |
| MFP_PIN_GPIO114, | |
| MFP_PIN_GPIO115, | |
| MFP_PIN_GPIO116, | |
| MFP_PIN_GPIO117, | |
| MFP_PIN_GPIO118, | |
| MFP_PIN_GPIO119, | |
| MFP_PIN_GPIO120, | |
| MFP_PIN_GPIO121, | |
| MFP_PIN_GPIO122, | |
| MFP_PIN_GPIO123, | |
| MFP_PIN_GPIO124, | |
| MFP_PIN_GPIO125, | |
| MFP_PIN_GPIO126, | |
| MFP_PIN_GPIO127, | |
| MFP_PIN_GPIO128, | |
| MFP_PIN_GPIO129, | |
| MFP_PIN_GPIO130, | |
| MFP_PIN_GPIO131, | |
| MFP_PIN_GPIO132, | |
| MFP_PIN_GPIO133, | |
| MFP_PIN_GPIO134, | |
| MFP_PIN_GPIO135, | |
| MFP_PIN_GPIO136, | |
| MFP_PIN_GPIO137, | |
| MFP_PIN_GPIO138, | |
| MFP_PIN_GPIO139, | |
| MFP_PIN_GPIO140, | |
| MFP_PIN_GPIO141, | |
| MFP_PIN_GPIO142, | |
| MFP_PIN_GPIO143, | |
| MFP_PIN_GPIO144, | |
| MFP_PIN_GPIO145, | |
| MFP_PIN_GPIO146, | |
| MFP_PIN_GPIO147, | |
| MFP_PIN_GPIO148, | |
| MFP_PIN_GPIO149, | |
| MFP_PIN_GPIO150, | |
| MFP_PIN_GPIO151, | |
| MFP_PIN_GPIO152, | |
| MFP_PIN_GPIO153, | |
| MFP_PIN_GPIO154, | |
| MFP_PIN_GPIO155, | |
| MFP_PIN_GPIO156, | |
| MFP_PIN_GPIO157, | |
| MFP_PIN_GPIO158, | |
| MFP_PIN_GPIO159, | |
| MFP_PIN_GPIO160, | |
| MFP_PIN_GPIO161, | |
| MFP_PIN_GPIO162, | |
| MFP_PIN_GPIO163, | |
| MFP_PIN_GPIO164, | |
| MFP_PIN_GPIO165, | |
| MFP_PIN_GPIO166, | |
| MFP_PIN_GPIO167, | |
| MFP_PIN_GPIO168, | |
| MFP_PIN_GPIO169, | |
| MFP_PIN_GPIO170, | |
| MFP_PIN_GPIO171, | |
| MFP_PIN_GPIO172, | |
| MFP_PIN_GPIO173, | |
| MFP_PIN_GPIO174, | |
| MFP_PIN_GPIO175, | |
| MFP_PIN_GPIO176, | |
| MFP_PIN_GPIO177, | |
| MFP_PIN_GPIO178, | |
| MFP_PIN_GPIO179, | |
| MFP_PIN_GPIO180, | |
| MFP_PIN_GPIO181, | |
| MFP_PIN_GPIO182, | |
| MFP_PIN_GPIO183, | |
| MFP_PIN_GPIO184, | |
| MFP_PIN_GPIO185, | |
| MFP_PIN_GPIO186, | |
| MFP_PIN_GPIO187, | |
| MFP_PIN_GPIO188, | |
| MFP_PIN_GPIO189, | |
| MFP_PIN_GPIO190, | |
| MFP_PIN_GPIO191, | |
| MFP_PIN_GPIO255 = 255, | |
| MFP_PIN_GPIO0_2, | |
| MFP_PIN_GPIO1_2, | |
| MFP_PIN_GPIO2_2, | |
| MFP_PIN_GPIO3_2, | |
| MFP_PIN_GPIO4_2, | |
| MFP_PIN_GPIO5_2, | |
| MFP_PIN_GPIO6_2, | |
| MFP_PIN_GPIO7_2, | |
| MFP_PIN_GPIO8_2, | |
| MFP_PIN_GPIO9_2, | |
| MFP_PIN_GPIO10_2, | |
| MFP_PIN_GPIO11_2, | |
| MFP_PIN_GPIO12_2, | |
| MFP_PIN_GPIO13_2, | |
| MFP_PIN_GPIO14_2, | |
| MFP_PIN_GPIO15_2, | |
| MFP_PIN_GPIO16_2, | |
| MFP_PIN_GPIO17_2, | |
| MFP_PIN_ULPI_STP, | |
| MFP_PIN_ULPI_NXT, | |
| MFP_PIN_ULPI_DIR, | |
| MFP_PIN_nXCVREN, | |
| MFP_PIN_DF_CLE_nOE, | |
| MFP_PIN_DF_nADV1_ALE, | |
| MFP_PIN_DF_SCLK_E, | |
| MFP_PIN_DF_SCLK_S, | |
| MFP_PIN_nBE0, | |
| MFP_PIN_nBE1, | |
| MFP_PIN_DF_nADV2_ALE, | |
| MFP_PIN_DF_INT_RnB, | |
| MFP_PIN_DF_nCS0, | |
| MFP_PIN_DF_nCS1, | |
| MFP_PIN_nLUA, | |
| MFP_PIN_nLLA, | |
| MFP_PIN_DF_nWE, | |
| MFP_PIN_DF_ALE_nWE, | |
| MFP_PIN_DF_nRE_nOE, | |
| MFP_PIN_DF_ADDR0, | |
| MFP_PIN_DF_ADDR1, | |
| MFP_PIN_DF_ADDR2, | |
| MFP_PIN_DF_ADDR3, | |
| MFP_PIN_DF_IO0, | |
| MFP_PIN_DF_IO1, | |
| MFP_PIN_DF_IO2, | |
| MFP_PIN_DF_IO3, | |
| MFP_PIN_DF_IO4, | |
| MFP_PIN_DF_IO5, | |
| MFP_PIN_DF_IO6, | |
| MFP_PIN_DF_IO7, | |
| MFP_PIN_DF_IO8, | |
| MFP_PIN_DF_IO9, | |
| MFP_PIN_DF_IO10, | |
| MFP_PIN_DF_IO11, | |
| MFP_PIN_DF_IO12, | |
| MFP_PIN_DF_IO13, | |
| MFP_PIN_DF_IO14, | |
| MFP_PIN_DF_IO15, | |
| MFP_PIN_DF_nCS0_SM_nCS2, | |
| MFP_PIN_DF_nCS1_SM_nCS3, | |
| MFP_PIN_SM_nCS0, | |
| MFP_PIN_SM_nCS1, | |
| MFP_PIN_DF_WEn, | |
| MFP_PIN_DF_REn, | |
| MFP_PIN_DF_CLE_SM_OEn, | |
| MFP_PIN_DF_ALE_SM_WEn, | |
| MFP_PIN_DF_RDY0, | |
| MFP_PIN_DF_RDY1, | |
| MFP_PIN_SM_SCLK, | |
| MFP_PIN_SM_BE0, | |
| MFP_PIN_SM_BE1, | |
| MFP_PIN_SM_ADV, | |
| MFP_PIN_SM_ADVMUX, | |
| MFP_PIN_SM_RDY, | |
| MFP_PIN_MMC1_DAT7, | |
| MFP_PIN_MMC1_DAT6, | |
| MFP_PIN_MMC1_DAT5, | |
| MFP_PIN_MMC1_DAT4, | |
| MFP_PIN_MMC1_DAT3, | |
| MFP_PIN_MMC1_DAT2, | |
| MFP_PIN_MMC1_DAT1, | |
| MFP_PIN_MMC1_DAT0, | |
| MFP_PIN_MMC1_CMD, | |
| MFP_PIN_MMC1_CLK, | |
| MFP_PIN_MMC1_CD, | |
| MFP_PIN_MMC1_WP, | |
| /* additional pins on PXA930 */ | |
| MFP_PIN_GSIM_UIO, | |
| MFP_PIN_GSIM_UCLK, | |
| MFP_PIN_GSIM_UDET, | |
| MFP_PIN_GSIM_nURST, | |
| MFP_PIN_PMIC_INT, | |
| MFP_PIN_RDY, | |
| /* additional pins on MMP2 */ | |
| MFP_PIN_TWSI1_SCL, | |
| MFP_PIN_TWSI1_SDA, | |
| MFP_PIN_TWSI4_SCL, | |
| MFP_PIN_TWSI4_SDA, | |
| MFP_PIN_CLK_REQ, | |
| MFP_PIN_MAX, | |
| }; | |
| /* | |
| * a possible MFP configuration is represented by a 32-bit integer | |
| * | |
| * bit 0.. 9 - MFP Pin Number (1024 Pins Maximum) | |
| * bit 10..12 - Alternate Function Selection | |
| * bit 13..15 - Drive Strength | |
| * bit 16..18 - Low Power Mode State | |
| * bit 19..20 - Low Power Mode Edge Detection | |
| * bit 21..22 - Run Mode Pull State | |
| * | |
| * to facilitate the definition, the following macros are provided | |
| * | |
| * MFP_CFG_DEFAULT - default MFP configuration value, with | |
| * alternate function = 0, | |
| * drive strength = fast 3mA (MFP_DS03X) | |
| * low power mode = default | |
| * edge detection = none | |
| * | |
| * MFP_CFG - default MFPR value with alternate function | |
| * MFP_CFG_DRV - default MFPR value with alternate function and | |
| * pin drive strength | |
| * MFP_CFG_LPM - default MFPR value with alternate function and | |
| * low power mode | |
| * MFP_CFG_X - default MFPR value with alternate function, | |
| * pin drive strength and low power mode | |
| */ | |
| typedef unsigned long mfp_cfg_t; | |
| #define MFP_PIN(x) ((x) & 0x3ff) | |
| #define MFP_AF0 (0x0 << 10) | |
| #define MFP_AF1 (0x1 << 10) | |
| #define MFP_AF2 (0x2 << 10) | |
| #define MFP_AF3 (0x3 << 10) | |
| #define MFP_AF4 (0x4 << 10) | |
| #define MFP_AF5 (0x5 << 10) | |
| #define MFP_AF6 (0x6 << 10) | |
| #define MFP_AF7 (0x7 << 10) | |
| #define MFP_AF_MASK (0x7 << 10) | |
| #define MFP_AF(x) (((x) >> 10) & 0x7) | |
| #define MFP_DS01X (0x0 << 13) | |
| #define MFP_DS02X (0x1 << 13) | |
| #define MFP_DS03X (0x2 << 13) | |
| #define MFP_DS04X (0x3 << 13) | |
| #define MFP_DS06X (0x4 << 13) | |
| #define MFP_DS08X (0x5 << 13) | |
| #define MFP_DS10X (0x6 << 13) | |
| #define MFP_DS13X (0x7 << 13) | |
| #define MFP_DS_MASK (0x7 << 13) | |
| #define MFP_DS(x) (((x) >> 13) & 0x7) | |
| #define MFP_LPM_DEFAULT (0x0 << 16) | |
| #define MFP_LPM_DRIVE_LOW (0x1 << 16) | |
| #define MFP_LPM_DRIVE_HIGH (0x2 << 16) | |
| #define MFP_LPM_PULL_LOW (0x3 << 16) | |
| #define MFP_LPM_PULL_HIGH (0x4 << 16) | |
| #define MFP_LPM_FLOAT (0x5 << 16) | |
| #define MFP_LPM_INPUT (0x6 << 16) | |
| #define MFP_LPM_STATE_MASK (0x7 << 16) | |
| #define MFP_LPM_STATE(x) (((x) >> 16) & 0x7) | |
| #define MFP_LPM_EDGE_NONE (0x0 << 19) | |
| #define MFP_LPM_EDGE_RISE (0x1 << 19) | |
| #define MFP_LPM_EDGE_FALL (0x2 << 19) | |
| #define MFP_LPM_EDGE_BOTH (0x3 << 19) | |
| #define MFP_LPM_EDGE_MASK (0x3 << 19) | |
| #define MFP_LPM_EDGE(x) (((x) >> 19) & 0x3) | |
| #define MFP_PULL_NONE (0x0 << 21) | |
| #define MFP_PULL_LOW (0x1 << 21) | |
| #define MFP_PULL_HIGH (0x2 << 21) | |
| #define MFP_PULL_BOTH (0x3 << 21) | |
| #define MFP_PULL_FLOAT (0x4 << 21) | |
| #define MFP_PULL_MASK (0x7 << 21) | |
| #define MFP_PULL(x) (((x) >> 21) & 0x7) | |
| #define MFP_CFG_DEFAULT (MFP_AF0 | MFP_DS03X | MFP_LPM_DEFAULT |\ | |
| MFP_LPM_EDGE_NONE | MFP_PULL_NONE) | |
| #define MFP_CFG(pin, af) \ | |
| ((MFP_CFG_DEFAULT & ~MFP_AF_MASK) |\ | |
| (MFP_PIN(MFP_PIN_##pin) | MFP_##af)) | |
| #define MFP_CFG_DRV(pin, af, drv) \ | |
| ((MFP_CFG_DEFAULT & ~(MFP_AF_MASK | MFP_DS_MASK)) |\ | |
| (MFP_PIN(MFP_PIN_##pin) | MFP_##af | MFP_##drv)) | |
| #define MFP_CFG_LPM(pin, af, lpm) \ | |
| ((MFP_CFG_DEFAULT & ~(MFP_AF_MASK | MFP_LPM_STATE_MASK)) |\ | |
| (MFP_PIN(MFP_PIN_##pin) | MFP_##af | MFP_LPM_##lpm)) | |
| #define MFP_CFG_X(pin, af, drv, lpm) \ | |
| ((MFP_CFG_DEFAULT & ~(MFP_AF_MASK | MFP_DS_MASK | MFP_LPM_STATE_MASK)) |\ | |
| (MFP_PIN(MFP_PIN_##pin) | MFP_##af | MFP_##drv | MFP_LPM_##lpm)) | |
| #if defined(CONFIG_PXA3xx) || defined(CONFIG_ARCH_MMP) | |
| /* | |
| * each MFP pin will have a MFPR register, since the offset of the | |
| * register varies between processors, the processor specific code | |
| * should initialize the pin offsets by mfp_init() | |
| * | |
| * mfp_init_base() - accepts a virtual base for all MFPR registers and | |
| * initialize the MFP table to a default state | |
| * | |
| * mfp_init_addr() - accepts a table of "mfp_addr_map" structure, which | |
| * represents a range of MFP pins from "start" to "end", with the offset | |
| * beginning at "offset", to define a single pin, let "end" = -1. | |
| * | |
| * use | |
| * | |
| * MFP_ADDR_X() to define a range of pins | |
| * MFP_ADDR() to define a single pin | |
| * MFP_ADDR_END to signal the end of pin offset definitions | |
| */ | |
| struct mfp_addr_map { | |
| unsigned int start; | |
| unsigned int end; | |
| unsigned long offset; | |
| }; | |
| #define MFP_ADDR_X(start, end, offset) \ | |
| { MFP_PIN_##start, MFP_PIN_##end, offset } | |
| #define MFP_ADDR(pin, offset) \ | |
| { MFP_PIN_##pin, -1, offset } | |
| #define MFP_ADDR_END { MFP_PIN_INVALID, 0 } | |
| void mfp_init_base(void __iomem *mfpr_base); | |
| void mfp_init_addr(struct mfp_addr_map *map); | |
| /* | |
| * mfp_{read, write}() - for direct read/write access to the MFPR register | |
| * mfp_config() - for configuring a group of MFPR registers | |
| * mfp_config_lpm() - configuring all low power MFPR registers for suspend | |
| * mfp_config_run() - configuring all run time MFPR registers after resume | |
| */ | |
| unsigned long mfp_read(int mfp); | |
| void mfp_write(int mfp, unsigned long mfpr_val); | |
| void mfp_config(unsigned long *mfp_cfgs, int num); | |
| void mfp_config_run(void); | |
| void mfp_config_lpm(void); | |
| #endif /* CONFIG_PXA3xx || CONFIG_ARCH_MMP */ | |
| #endif /* __ASM_PLAT_MFP_H */ |