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/
usr/
src/
linux-headers-3.0.0-14/
arch/
arm/
plat-nomadik/
include/
plat/
- drwxr-xr-x
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Viewing file: pincfg.h (5.13 KB) -rw-r--r--Select action/file-type:  ( +) |  ( +) |  ( +) | Code ( +) | Session ( +) |  ( +) | SDB ( +) |  ( +) |  ( +) |  ( +) |  ( +) |  ( +) |
/* * Copyright (C) ST-Ericsson SA 2010 * * License terms: GNU General Public License, version 2 * Author: Rabin Vincent <rabin.vincent@stericsson.com> for ST-Ericsson * * Based on arch/arm/mach-pxa/include/mach/mfp.h: * Copyright (C) 2007 Marvell International Ltd. * eric miao <eric.miao@marvell.com> */
#ifndef __PLAT_PINCFG_H #define __PLAT_PINCFG_H
/* * 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) * * 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 * PIN_CFG_PULL - default config with alternate function and pull up/down */
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_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)
/* 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))
#define PIN_CFG_PULL(num, alt, pull) \ ((PIN_CFG_DEFAULT & ~PIN_PULL_MASK) |\ (PIN_NUM(num) | PIN_##alt | PIN_PULL_##pull))
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);
#endif
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