domenico/openwrt-18.06
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domenico
2025-06-24 15:51:28 +02:00
commit 22031d9dab
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32
target/linux/ar71xx/patches-4.9/632-MIPS-ath79-gpio-enable-set-direction.patch Normal file
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@@ -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;
+}