ar71xx: add v4.14 support

[openwrt/openwrt.git] / target / linux / ar71xx / patches-4.14 / 632-MIPS-ath79-gpio-enable-set-direction.patch

diff --git a/target/linux/ar71xx/patches-4.14/632-MIPS-ath79-gpio-enable-set-direction.patch b/target/linux/ar71xx/patches-4.14/632-MIPS-ath79-gpio-enable-set-direction.patch
new file mode 100644 (file)
index 0000000..4cf3632
--- /dev/null
+++ b/target/linux/ar71xx/patches-4.14/632-MIPS-ath79-gpio-enable-set-direction.patch
@@ -0,0 +1,32 @@
+--- a/arch/mips/ath79/common.h
++++ b/arch/mips/ath79/common.h
+@@ -28,6 +28,7 @@ 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;
++}