| /* |
| * 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 |
| * |
| * to facilitate the definition, the following macros are provided |
| * |
| * PIN_CFG_DEFAULT - default config (0): |
| * pull up/down = disabled |
| * sleep mode = input |
| * |
| * 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_INPUT (NMK_GPIO_SLPM_INPUT << PIN_SLPM_SHIFT) |
| #define PIN_SLPM_NOCHANGE (NMK_GPIO_SLPM_NOCHANGE << PIN_SLPM_SHIFT) |
| |
| #define PIN_CFG_DEFAULT (PIN_PULL_NONE | PIN_SLPM_INPUT) |
| |
| #define PIN_CFG(num, alt) \ |
| (PIN_CFG_DEFAULT |\ |
| (PIN_NUM(num) | PIN_##alt)) |
| |
| #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); |
| extern int nmk_config_pins(pin_cfg_t *cfgs, int num); |
| |
| #endif |
