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ARM: 7032/1: plat-nomadik: break out GPIO driver specifics
The <[plat|mach]/gpio.h> file is included from upper directories and deal with generic GPIO and gpiolib stuff. Break out the platform and driver specific defines and functions into its own header file. Cc: Srinidhi Kasagar <srinidhi.kasagar@stericsson.com> Cc: Alessandro Rubini <rubini@unipv.it> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,85 @@ | ||
| /* | ||
| * 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 | ||
|
|
||
| /* | ||
| * "nmk_gpio" and "NMK_GPIO" stand for "Nomadik GPIO", leaving | ||
| * the "gpio" namespace for generic and cross-machine functions | ||
| */ | ||
|
|
||
| /* 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_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 | ||
|
|
||
| /* 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) | ||
|
|
||
| /* 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, | ||
| }; | ||
|
|
||
| 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); | ||
| extern int nmk_gpio_set_mode(int gpio, int gpio_mode); | ||
| extern int nmk_gpio_get_mode(int gpio); | ||
|
|
||
| extern void nmk_gpio_wakeups_suspend(void); | ||
| extern void nmk_gpio_wakeups_resume(void); | ||
|
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| extern void nmk_gpio_read_pull(int gpio_bank, u32 *pull_up); | ||
|
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| /* | ||
| * 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 */ |
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