diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/gpio/nomadik.h | 88 | ||||
| -rw-r--r-- | include/linux/mfd/ab8500/gpio.h | 58 |
2 files changed, 146 insertions, 0 deletions
diff --git a/include/linux/gpio/nomadik.h b/include/linux/gpio/nomadik.h new file mode 100644 index 00000000000..6b094d5e404 --- /dev/null +++ b/include/linux/gpio/nomadik.h @@ -0,0 +1,88 @@ +/* + * 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 __GPIO_NOMADIK_H +#define __GPIO_NOMADIK_H + +/* + * "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_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 + +/* 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); + +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 diff --git a/include/linux/mfd/ab8500/gpio.h b/include/linux/mfd/ab8500/gpio.h index 488a8c920a2..d88e3025317 100644 --- a/include/linux/mfd/ab8500/gpio.h +++ b/include/linux/mfd/ab8500/gpio.h @@ -8,6 +8,8 @@ #ifndef _AB8500_GPIO_H #define _AB8500_GPIO_H +#include <mach/gpio.h> + /* * Platform data to register a block: only the initial gpio/irq number. */ @@ -16,6 +18,62 @@ struct ab8500_gpio_platform_data { int gpio_base; u32 irq_base; u8 config_reg[7]; + u8 config_direction[6]; + u8 config_pullups[6]; +}; + +enum ab8500_pin { + AB8500_PIN_GPIO1 = AB8500_GPIO_BASE, + AB8500_PIN_GPIO2, + AB8500_PIN_GPIO3, + AB8500_PIN_GPIO4, + AB8500_PIN_GPIO5, + AB8500_PIN_GPIO6, + AB8500_PIN_GPIO7, + AB8500_PIN_GPIO8, + AB8500_PIN_GPIO9, + AB8500_PIN_GPIO10, + AB8500_PIN_GPIO11, + AB8500_PIN_GPIO12, + AB8500_PIN_GPIO13, + AB8500_PIN_GPIO14, + AB8500_PIN_GPIO15, + AB8500_PIN_GPIO16, + AB8500_PIN_GPIO17, + AB8500_PIN_GPIO18, + AB8500_PIN_GPIO19, + AB8500_PIN_GPIO20, + AB8500_PIN_GPIO21, + AB8500_PIN_GPIO22, + AB8500_PIN_GPIO23, + AB8500_PIN_GPIO24, + AB8500_PIN_GPIO25, + AB8500_PIN_GPIO26, + AB8500_PIN_GPIO27, + AB8500_PIN_GPIO28, + AB8500_PIN_GPIO29, + AB8500_PIN_GPIO30, + AB8500_PIN_GPIO31, + AB8500_PIN_GPIO32, + AB8500_PIN_GPIO33, + AB8500_PIN_GPIO34, + AB8500_PIN_GPIO35, + AB8500_PIN_GPIO36, + AB8500_PIN_GPIO37, + AB8500_PIN_GPIO38, + AB8500_PIN_GPIO39, + AB8500_PIN_GPIO40, + AB8500_PIN_GPIO41, + AB8500_PIN_GPIO42, }; +int ab8500_config_pulldown(struct device *dev, + enum ab8500_pin gpio, bool enable); + +int ab8500_gpio_config_select(struct device *dev, + enum ab8500_pin gpio, bool gpio_select); + +int ab8500_gpio_config_get_select(struct device *dev, + enum ab8500_pin gpio, bool *gpio_select); + #endif /* _AB8500_GPIO_H */ |