ar71xx: add 4.1 support

[openwrt.git] / target / linux / ar71xx / patches-4.1 / 811-MIPS-ath79-gpio-enable-set-direction.patch

diff --git a/target/linux/ar71xx/patches-4.1/811-MIPS-ath79-gpio-enable-set-direction.patch b/target/linux/ar71xx/patches-4.1/811-MIPS-ath79-gpio-enable-set-direction.patch
new file mode 100644 (file)
index 0000000..c628f1d
--- /dev/null
+++ b/target/linux/ar71xx/patches-4.1/811-MIPS-ath79-gpio-enable-set-direction.patch
@@ -0,0 +1,43 @@
+--- 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
+@@ -130,6 +130,30 @@ static int ar934x_gpio_direction_output(
+       return 0;
+ }
+ 
++int ath79_gpio_direction_select(unsigned gpio, bool oe)
++{
++      void __iomem *base = ath79_gpio_base;
++      unsigned long flags;
++      bool ieq_1 = (soc_is_ar934x() ||
++                      soc_is_qca953x());
++
++      if (gpio >= ath79_gpio_count)
++              return -1;
++
++      spin_lock_irqsave(&ath79_gpio_lock, flags);
++
++      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);
++
++      spin_unlock_irqrestore(&ath79_gpio_lock, flags);
++
++      return 0;
++}
++
+ static struct gpio_chip ath79_gpio_chip = {
+       .label                  = "ath79",
+       .get                    = ath79_gpio_get_value,