diff options
author | Florian Fainelli <florian@openwrt.org> | 2008-08-23 18:54:34 +0200 |
---|---|---|
committer | Ralf Baechle <ralf@linux-mips.org> | 2008-10-11 16:18:47 +0100 |
commit | d888e25b8dd1b501ac75b0c6587c043a394319c3 (patch) | |
tree | 31c2705b25ceaff8fa10a8b90324c6d0dd616af7 /include/asm-mips | |
parent | 09b7dcf220a37245b16fd4a716923d75bf6edf8b (diff) | |
download | kernel_samsung_smdk4412-d888e25b8dd1b501ac75b0c6587c043a394319c3.zip kernel_samsung_smdk4412-d888e25b8dd1b501ac75b0c6587c043a394319c3.tar.gz kernel_samsung_smdk4412-d888e25b8dd1b501ac75b0c6587c043a394319c3.tar.bz2 |
MIPS: RB532: Convert to GPIO lib
This patch converts the rb532 code to use gpio library
and register its gpio chip.
Signed-off-by: Florian Fainelli <florian@openwrt.org>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'include/asm-mips')
-rw-r--r-- | include/asm-mips/mach-rc32434/gpio.h | 75 |
1 files changed, 14 insertions, 61 deletions
diff --git a/include/asm-mips/mach-rc32434/gpio.h b/include/asm-mips/mach-rc32434/gpio.h index 4fe18db..3a70b41 100644 --- a/include/asm-mips/mach-rc32434/gpio.h +++ b/include/asm-mips/mach-rc32434/gpio.h @@ -15,6 +15,16 @@ #include <linux/types.h> +#define gpio_get_value __gpio_get_value +#define gpio_set_value __gpio_set_value + +#define gpio_cansleep __gpio_cansleep + +#define gpio_to_irq(gpio) IRQ_GPIO(gpio) +#define irq_to_gpio(irq) IRQ_TO_GPIO(irq) + +#include <asm-generic/gpio.h> + struct rb532_gpio_reg { u32 gpiofunc; /* GPIO Function Register * gpiofunc[x]==0 bit = gpio @@ -62,74 +72,17 @@ struct rb532_gpio_reg { #define RC32434_PCI_MSU_GPIO (1 << 13) /* NAND GPIO signals */ -#define GPIO_RDY (1 << 0x08) -#define GPIO_WPX (1 << 0x09) -#define GPIO_ALE (1 << 0x0a) -#define GPIO_CLE (1 << 0x0b) +#define GPIO_RDY 8 +#define GPIO_WPX 9 +#define GPIO_ALE 10 +#define GPIO_CLE 11 /* Compact Flash GPIO pin */ #define CF_GPIO_NUM 13 - extern void set_434_reg(unsigned reg_offs, unsigned bit, unsigned len, unsigned val); extern unsigned get_434_reg(unsigned reg_offs); extern void set_latch_u5(unsigned char or_mask, unsigned char nand_mask); extern unsigned char get_latch_u5(void); -extern int rb532_gpio_get_value(unsigned gpio); -extern void rb532_gpio_set_value(unsigned gpio, int value); -extern int rb532_gpio_direction_input(unsigned gpio); -extern int rb532_gpio_direction_output(unsigned gpio, int value); -extern void rb532_gpio_set_int_level(unsigned gpio, int value); -extern int rb532_gpio_get_int_level(unsigned gpio); -extern void rb532_gpio_set_int_status(unsigned gpio, int value); -extern int rb532_gpio_get_int_status(unsigned gpio); - - -/* Wrappers for the arch-neutral GPIO API */ - -static inline int gpio_request(unsigned gpio, const char *label) -{ - /* Not yet implemented */ - return 0; -} - -static inline void gpio_free(unsigned gpio) -{ - /* Not yet implemented */ -} - -static inline int gpio_direction_input(unsigned gpio) -{ - return rb532_gpio_direction_input(gpio); -} - -static inline int gpio_direction_output(unsigned gpio, int value) -{ - return rb532_gpio_direction_output(gpio, value); -} - -static inline int gpio_get_value(unsigned gpio) -{ - return rb532_gpio_get_value(gpio); -} - -static inline void gpio_set_value(unsigned gpio, int value) -{ - rb532_gpio_set_value(gpio, value); -} - -static inline int gpio_to_irq(unsigned gpio) -{ - return gpio; -} - -static inline int irq_to_gpio(unsigned irq) -{ - return irq; -} - -/* For cansleep */ -#include <asm-generic/gpio.h> - #endif /* _RC32434_GPIO_H_ */ |