diff options
Diffstat (limited to 'target/linux/ar71xx/patches-4.4/632-MIPS-ath79-gpio-enable-set-direction.patch')
| -rw-r--r-- | target/linux/ar71xx/patches-4.4/632-MIPS-ath79-gpio-enable-set-direction.patch | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/target/linux/ar71xx/patches-4.4/632-MIPS-ath79-gpio-enable-set-direction.patch b/target/linux/ar71xx/patches-4.4/632-MIPS-ath79-gpio-enable-set-direction.patch new file mode 100644 index 0000000000..0a6be75088 --- /dev/null +++ b/target/linux/ar71xx/patches-4.4/632-MIPS-ath79-gpio-enable-set-direction.patch @@ -0,0 +1,32 @@ +--- a/arch/mips/ath79/common.h ++++ b/arch/mips/ath79/common.h +@@ -29,6 +29,7 @@ void ath79_gpio_function_enable(u32 mask + void ath79_gpio_function_disable(u32 mask); + void ath79_gpio_function_setup(u32 set, u32 clear); + void ath79_gpio_output_select(unsigned gpio, u8 val); ++int ath79_gpio_direction_select(unsigned gpio, bool oe); + void ath79_gpio_init(void); + + #endif /* __ATH79_COMMON_H */ +--- a/arch/mips/ath79/gpio.c ++++ b/arch/mips/ath79/gpio.c +@@ -83,3 +83,19 @@ void __init ath79_gpio_output_select(uns + /* flush write */ + (void) __raw_readl(base + reg); + } ++ ++int ath79_gpio_direction_select(unsigned gpio, bool oe) ++{ ++ void __iomem *base = ath79_gpio_base; ++ bool ieq_1 = (soc_is_ar934x() || ++ soc_is_qca953x()); ++ ++ if ((ieq_1 && oe) || (!ieq_1 && !oe)) ++ __raw_writel(__raw_readl(base + AR71XX_GPIO_REG_OE) & ~(1 << gpio), ++ base + AR71XX_GPIO_REG_OE); ++ else ++ __raw_writel(__raw_readl(base + AR71XX_GPIO_REG_OE) | (1 << gpio), ++ base + AR71XX_GPIO_REG_OE); ++ ++ return 0; ++} |