diff options
Diffstat (limited to 'arch/arm/cpu/armv7/sunxi/pinmux.c')
-rw-r--r-- | arch/arm/cpu/armv7/sunxi/pinmux.c | 32 |
1 files changed, 21 insertions, 11 deletions
diff --git a/arch/arm/cpu/armv7/sunxi/pinmux.c b/arch/arm/cpu/armv7/sunxi/pinmux.c index 1f2843f..b026f78 100644 --- a/arch/arm/cpu/armv7/sunxi/pinmux.c +++ b/arch/arm/cpu/armv7/sunxi/pinmux.c @@ -10,32 +10,42 @@ #include <asm/io.h> #include <asm/arch/gpio.h> -int sunxi_gpio_set_cfgpin(u32 pin, u32 val) +void sunxi_gpio_set_cfgbank(struct sunxi_gpio *pio, int bank_offset, u32 val) { - u32 bank = GPIO_BANK(pin); - u32 index = GPIO_CFG_INDEX(pin); - u32 offset = GPIO_CFG_OFFSET(pin); - struct sunxi_gpio *pio = BANK_TO_GPIO(bank); + u32 index = GPIO_CFG_INDEX(bank_offset); + u32 offset = GPIO_CFG_OFFSET(bank_offset); clrsetbits_le32(&pio->cfg[0] + index, 0xf << offset, val << offset); - - return 0; } -int sunxi_gpio_get_cfgpin(u32 pin) +void sunxi_gpio_set_cfgpin(u32 pin, u32 val) { - u32 cfg; u32 bank = GPIO_BANK(pin); - u32 index = GPIO_CFG_INDEX(pin); - u32 offset = GPIO_CFG_OFFSET(pin); struct sunxi_gpio *pio = BANK_TO_GPIO(bank); + sunxi_gpio_set_cfgbank(pio, pin, val); +} + +int sunxi_gpio_get_cfgbank(struct sunxi_gpio *pio, int bank_offset) +{ + u32 index = GPIO_CFG_INDEX(bank_offset); + u32 offset = GPIO_CFG_OFFSET(bank_offset); + u32 cfg; + cfg = readl(&pio->cfg[0] + index); cfg >>= offset; return cfg & 0xf; } +int sunxi_gpio_get_cfgpin(u32 pin) +{ + u32 bank = GPIO_BANK(pin); + struct sunxi_gpio *pio = BANK_TO_GPIO(bank); + + return sunxi_gpio_get_cfgbank(pio, pin); +} + int sunxi_gpio_set_drv(u32 pin, u32 val) { u32 bank = GPIO_BANK(pin); |