EVOLUTION-MANAGER

Edit File: pinctrl-nomadik.h

/* * Structures and registers for GPIO access in the Nomadik SoC * * Copyright (C) 2008 STMicroelectronics * Author: Prafulla WADASKAR <prafulla.wadaskar@st.com> * Copyright (C) 2009 Alessandro Rubini <rubini@unipv.it> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */ #ifndef __PLAT_NOMADIK_GPIO #define __PLAT_NOMADIK_GPIO /* * pin configurations are represented by 32-bit integers: * * bit 0.. 8 - Pin Number (512 Pins Maximum) * bit 9..10 - Alternate Function Selection * bit 11..12 - Pull up/down state * bit 13 - Sleep mode behaviour * bit 14 - Direction * bit 15 - Value (if output) * bit 16..18 - SLPM pull up/down state * bit 19..20 - SLPM direction * bit 21..22 - SLPM Value (if output) * bit 23..25 - PDIS value (if input) * bit 26 - Gpio mode * bit 27 - Sleep mode * * to facilitate the definition, the following macros are provided * * PIN_CFG_DEFAULT - default config (0): * pull up/down = disabled * sleep mode = input/wakeup * direction = input * value = low * SLPM direction = same as normal * SLPM pull = same as normal * SLPM value = same as normal * * PIN_CFG - default config with alternate function */ typedef unsigned long pin_cfg_t; #define PIN_NUM_MASK 0x1ff #define PIN_NUM(x) ((x) & PIN_NUM_MASK) #define PIN_ALT_SHIFT 9 #define PIN_ALT_MASK (0x3 << PIN_ALT_SHIFT) #define PIN_ALT(x) (((x) & PIN_ALT_MASK) >> PIN_ALT_SHIFT) #define PIN_GPIO (NMK_GPIO_ALT_GPIO << PIN_ALT_SHIFT) #define PIN_ALT_A (NMK_GPIO_ALT_A << PIN_ALT_SHIFT) #define PIN_ALT_B (NMK_GPIO_ALT_B << PIN_ALT_SHIFT) #define PIN_ALT_C (NMK_GPIO_ALT_C << PIN_ALT_SHIFT) #define PIN_PULL_SHIFT 11 #define PIN_PULL_MASK (0x3 << PIN_PULL_SHIFT) #define PIN_PULL(x) (((x) & PIN_PULL_MASK) >> PIN_PULL_SHIFT) #define PIN_PULL_NONE (NMK_GPIO_PULL_NONE << PIN_PULL_SHIFT) #define PIN_PULL_UP (NMK_GPIO_PULL_UP << PIN_PULL_SHIFT) #define PIN_PULL_DOWN (NMK_GPIO_PULL_DOWN << PIN_PULL_SHIFT) #define PIN_SLPM_SHIFT 13 #define PIN_SLPM_MASK (0x1 << PIN_SLPM_SHIFT) #define PIN_SLPM(x) (((x) & PIN_SLPM_MASK) >> PIN_SLPM_SHIFT) #define PIN_SLPM_MAKE_INPUT (NMK_GPIO_SLPM_INPUT << PIN_SLPM_SHIFT) #define PIN_SLPM_NOCHANGE (NMK_GPIO_SLPM_NOCHANGE << PIN_SLPM_SHIFT) /* These two replace the above in DB8500v2+ */ #define PIN_SLPM_WAKEUP_ENABLE (NMK_GPIO_SLPM_WAKEUP_ENABLE << PIN_SLPM_SHIFT) #define PIN_SLPM_WAKEUP_DISABLE (NMK_GPIO_SLPM_WAKEUP_DISABLE << PIN_SLPM_SHIFT) #define PIN_SLPM_USE_MUX_SETTINGS_IN_SLEEP PIN_SLPM_WAKEUP_DISABLE #define PIN_SLPM_GPIO PIN_SLPM_WAKEUP_ENABLE /* In SLPM, pin is a gpio */ #define PIN_SLPM_ALTFUNC PIN_SLPM_WAKEUP_DISABLE /* In SLPM, pin is altfunc */ #define PIN_DIR_SHIFT 14 #define PIN_DIR_MASK (0x1 << PIN_DIR_SHIFT) #define PIN_DIR(x) (((x) & PIN_DIR_MASK) >> PIN_DIR_SHIFT) #define PIN_DIR_INPUT (0 << PIN_DIR_SHIFT) #define PIN_DIR_OUTPUT (1 << PIN_DIR_SHIFT) #define PIN_VAL_SHIFT 15 #define PIN_VAL_MASK (0x1 << PIN_VAL_SHIFT) #define PIN_VAL(x) (((x) & PIN_VAL_MASK) >> PIN_VAL_SHIFT) #define PIN_VAL_LOW (0 << PIN_VAL_SHIFT) #define PIN_VAL_HIGH (1 << PIN_VAL_SHIFT) #define PIN_SLPM_PULL_SHIFT 16 #define PIN_SLPM_PULL_MASK (0x7 << PIN_SLPM_PULL_SHIFT) #define PIN_SLPM_PULL(x) \ (((x) & PIN_SLPM_PULL_MASK) >> PIN_SLPM_PULL_SHIFT) #define PIN_SLPM_PULL_NONE \ ((1 + NMK_GPIO_PULL_NONE) << PIN_SLPM_PULL_SHIFT) #define PIN_SLPM_PULL_UP \ ((1 + NMK_GPIO_PULL_UP) << PIN_SLPM_PULL_SHIFT) #define PIN_SLPM_PULL_DOWN \ ((1 + NMK_GPIO_PULL_DOWN) << PIN_SLPM_PULL_SHIFT) #define PIN_SLPM_DIR_SHIFT 19 #define PIN_SLPM_DIR_MASK (0x3 << PIN_SLPM_DIR_SHIFT) #define PIN_SLPM_DIR(x) \ (((x) & PIN_SLPM_DIR_MASK) >> PIN_SLPM_DIR_SHIFT) #define PIN_SLPM_DIR_INPUT ((1 + 0) << PIN_SLPM_DIR_SHIFT) #define PIN_SLPM_DIR_OUTPUT ((1 + 1) << PIN_SLPM_DIR_SHIFT) #define PIN_SLPM_VAL_SHIFT 21 #define PIN_SLPM_VAL_MASK (0x3 << PIN_SLPM_VAL_SHIFT) #define PIN_SLPM_VAL(x) \ (((x) & PIN_SLPM_VAL_MASK) >> PIN_SLPM_VAL_SHIFT) #define PIN_SLPM_VAL_LOW ((1 + 0) << PIN_SLPM_VAL_SHIFT) #define PIN_SLPM_VAL_HIGH ((1 + 1) << PIN_SLPM_VAL_SHIFT) #define PIN_SLPM_PDIS_SHIFT 23 #define PIN_SLPM_PDIS_MASK (0x3 << PIN_SLPM_PDIS_SHIFT) #define PIN_SLPM_PDIS(x) \ (((x) & PIN_SLPM_PDIS_MASK) >> PIN_SLPM_PDIS_SHIFT) #define PIN_SLPM_PDIS_NO_CHANGE (0 << PIN_SLPM_PDIS_SHIFT) #define PIN_SLPM_PDIS_DISABLED (1 << PIN_SLPM_PDIS_SHIFT) #define PIN_SLPM_PDIS_ENABLED (2 << PIN_SLPM_PDIS_SHIFT) #define PIN_LOWEMI_SHIFT 25 #define PIN_LOWEMI_MASK (0x1 << PIN_LOWEMI_SHIFT) #define PIN_LOWEMI(x) (((x) & PIN_LOWEMI_MASK) >> PIN_LOWEMI_SHIFT) #define PIN_LOWEMI_DISABLED (0 << PIN_LOWEMI_SHIFT) #define PIN_LOWEMI_ENABLED (1 << PIN_LOWEMI_SHIFT) #define PIN_GPIOMODE_SHIFT 26 #define PIN_GPIOMODE_MASK (0x1 << PIN_GPIOMODE_SHIFT) #define PIN_GPIOMODE(x) (((x) & PIN_GPIOMODE_MASK) >> PIN_GPIOMODE_SHIFT) #define PIN_GPIOMODE_DISABLED (0 << PIN_GPIOMODE_SHIFT) #define PIN_GPIOMODE_ENABLED (1 << PIN_GPIOMODE_SHIFT) #define PIN_SLEEPMODE_SHIFT 27 #define PIN_SLEEPMODE_MASK (0x1 << PIN_SLEEPMODE_SHIFT) #define PIN_SLEEPMODE(x) (((x) & PIN_SLEEPMODE_MASK) >> PIN_SLEEPMODE_SHIFT) #define PIN_SLEEPMODE_DISABLED (0 << PIN_SLEEPMODE_SHIFT) #define PIN_SLEEPMODE_ENABLED (1 << PIN_SLEEPMODE_SHIFT) /* Shortcuts. Use these instead of separate DIR, PULL, and VAL. */ #define PIN_INPUT_PULLDOWN (PIN_DIR_INPUT | PIN_PULL_DOWN) #define PIN_INPUT_PULLUP (PIN_DIR_INPUT | PIN_PULL_UP) #define PIN_INPUT_NOPULL (PIN_DIR_INPUT | PIN_PULL_NONE) #define PIN_OUTPUT_LOW (PIN_DIR_OUTPUT | PIN_VAL_LOW) #define PIN_OUTPUT_HIGH (PIN_DIR_OUTPUT | PIN_VAL_HIGH) #define PIN_SLPM_INPUT_PULLDOWN (PIN_SLPM_DIR_INPUT | PIN_SLPM_PULL_DOWN) #define PIN_SLPM_INPUT_PULLUP (PIN_SLPM_DIR_INPUT | PIN_SLPM_PULL_UP) #define PIN_SLPM_INPUT_NOPULL (PIN_SLPM_DIR_INPUT | PIN_SLPM_PULL_NONE) #define PIN_SLPM_OUTPUT_LOW (PIN_SLPM_DIR_OUTPUT | PIN_SLPM_VAL_LOW) #define PIN_SLPM_OUTPUT_HIGH (PIN_SLPM_DIR_OUTPUT | PIN_SLPM_VAL_HIGH) #define PIN_CFG_DEFAULT (0) #define PIN_CFG(num, alt) \ (PIN_CFG_DEFAULT |\ (PIN_NUM(num) | PIN_##alt)) #define PIN_CFG_INPUT(num, alt, pull) \ (PIN_CFG_DEFAULT |\ (PIN_NUM(num) | PIN_##alt | PIN_INPUT_##pull)) #define PIN_CFG_OUTPUT(num, alt, val) \ (PIN_CFG_DEFAULT |\ (PIN_NUM(num) | PIN_##alt | PIN_OUTPUT_##val)) /* * "nmk_gpio" and "NMK_GPIO" stand for "Nomadik GPIO", leaving * the "gpio" namespace for generic and cross-machine functions */ #define GPIO_BLOCK_SHIFT 5 #define NMK_GPIO_PER_CHIP (1 << GPIO_BLOCK_SHIFT) /* Register in the logic block */ #define NMK_GPIO_DAT 0x00 #define NMK_GPIO_DATS 0x04 #define NMK_GPIO_DATC 0x08 #define NMK_GPIO_PDIS 0x0c #define NMK_GPIO_DIR 0x10 #define NMK_GPIO_DIRS 0x14 #define NMK_GPIO_DIRC 0x18 #define NMK_GPIO_SLPC 0x1c #define NMK_GPIO_AFSLA 0x20 #define NMK_GPIO_AFSLB 0x24 #define NMK_GPIO_LOWEMI 0x28 #define NMK_GPIO_RIMSC 0x40 #define NMK_GPIO_FIMSC 0x44 #define NMK_GPIO_IS 0x48 #define NMK_GPIO_IC 0x4c #define NMK_GPIO_RWIMSC 0x50 #define NMK_GPIO_FWIMSC 0x54 #define NMK_GPIO_WKS 0x58 /* These appear in DB8540 and later ASICs */ #define NMK_GPIO_EDGELEVEL 0x5C #define NMK_GPIO_LEVEL 0x60 /* Alternate functions: function C is set in hw by setting both A and B */ #define NMK_GPIO_ALT_GPIO 0 #define NMK_GPIO_ALT_A 1 #define NMK_GPIO_ALT_B 2 #define NMK_GPIO_ALT_C (NMK_GPIO_ALT_A | NMK_GPIO_ALT_B) #define NMK_GPIO_ALT_CX_SHIFT 2 #define NMK_GPIO_ALT_C1 ((1<<NMK_GPIO_ALT_CX_SHIFT) | NMK_GPIO_ALT_C) #define NMK_GPIO_ALT_C2 ((2<<NMK_GPIO_ALT_CX_SHIFT) | NMK_GPIO_ALT_C) #define NMK_GPIO_ALT_C3 ((3<<NMK_GPIO_ALT_CX_SHIFT) | NMK_GPIO_ALT_C) #define NMK_GPIO_ALT_C4 ((4<<NMK_GPIO_ALT_CX_SHIFT) | NMK_GPIO_ALT_C) /* Pull up/down values */ enum nmk_gpio_pull { NMK_GPIO_PULL_NONE, NMK_GPIO_PULL_UP, NMK_GPIO_PULL_DOWN, }; /* Sleep mode */ enum nmk_gpio_slpm { NMK_GPIO_SLPM_INPUT, NMK_GPIO_SLPM_WAKEUP_ENABLE = NMK_GPIO_SLPM_INPUT, NMK_GPIO_SLPM_NOCHANGE, NMK_GPIO_SLPM_WAKEUP_DISABLE = NMK_GPIO_SLPM_NOCHANGE, }; /* Older deprecated pin config API that should go away soon */ extern int nmk_config_pin(pin_cfg_t cfg, bool sleep); extern int nmk_config_pins(pin_cfg_t *cfgs, int num); extern int nmk_config_pins_sleep(pin_cfg_t *cfgs, int num); extern int nmk_gpio_set_slpm(int gpio, enum nmk_gpio_slpm mode); extern int nmk_gpio_set_pull(int gpio, enum nmk_gpio_pull pull); #ifdef CONFIG_PINCTRL_NOMADIK extern int nmk_gpio_set_mode(int gpio, int gpio_mode); #else static inline int nmk_gpio_set_mode(int gpio, int gpio_mode) { return -ENODEV; } #endif extern int nmk_gpio_get_mode(int gpio); extern void nmk_gpio_wakeups_suspend(void); extern void nmk_gpio_wakeups_resume(void); extern void nmk_gpio_clocks_enable(void); extern void nmk_gpio_clocks_disable(void); extern void nmk_gpio_read_pull(int gpio_bank, u32 *pull_up); /* * Platform data to register a block: only the initial gpio/irq number. */ struct nmk_gpio_platform_data { char *name; int first_gpio; int first_irq; int num_gpio; u32 (*get_secondary_status)(unsigned int bank); void (*set_ioforce)(bool enable); bool supports_sleepmode; }; #endif /* __PLAT_NOMADIK_GPIO */