Signed-off-by: Hans de Goede <[email protected]>
---
arch/arm/cpu/armv7/sunxi/pinmux.c | 13 +++++++++++++
arch/arm/include/asm/arch-sunxi/gpio.h | 1 +
2 files changed, 14 insertions(+)
diff --git a/arch/arm/cpu/armv7/sunxi/pinmux.c
b/arch/arm/cpu/armv7/sunxi/pinmux.c
index 1f2843f..a3e5bfc 100644
--- a/arch/arm/cpu/armv7/sunxi/pinmux.c
+++ b/arch/arm/cpu/armv7/sunxi/pinmux.c
@@ -59,3 +59,16 @@ int sunxi_gpio_set_pull(u32 pin, u32 val)
return 0;
}
+
+int sunxi_gpio_get_val(u32 pin)
+{
+ u32 dat;
+ u32 bank = GPIO_BANK(pin);
+ u32 offset = GPIO_NUM(pin);
+ struct sunxi_gpio *pio = BANK_TO_GPIO(bank);
+
+ dat = readl(&pio->dat);
+ dat >>= offset;
+
+ return dat & 0x1;
+}
diff --git a/arch/arm/include/asm/arch-sunxi/gpio.h
b/arch/arm/include/asm/arch-sunxi/gpio.h
index f7f3d8c..c049d39 100644
--- a/arch/arm/include/asm/arch-sunxi/gpio.h
+++ b/arch/arm/include/asm/arch-sunxi/gpio.h
@@ -143,6 +143,7 @@ int sunxi_gpio_set_cfgpin(u32 pin, u32 val);
int sunxi_gpio_get_cfgpin(u32 pin);
int sunxi_gpio_set_drv(u32 pin, u32 val);
int sunxi_gpio_set_pull(u32 pin, u32 val);
+int sunxi_gpio_get_val(u32 pin);
int sunxi_name_to_gpio(const char *name);
#define name_to_gpio(name) sunxi_name_to_gpio(name)
--
2.1.0
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