From b26077026fc0f4e99c9d4c97e71f263770615500 Mon Sep 17 00:00:00 2001 From: Felix Fietkau Date: Tue, 7 Jul 2015 08:06:05 +0000 Subject: ar71xx: add support for ap143 Signed-off-by: Miaoqing Pan SVN-Revision: 46208 --- .../811-MIPS-ath79-gpio-enable-set-direction.patch | 43 ++++++++++++++++++++++ 1 file changed, 43 insertions(+) create mode 100644 target/linux/ar71xx/patches-3.18/811-MIPS-ath79-gpio-enable-set-direction.patch (limited to 'target/linux/ar71xx/patches-3.18/811-MIPS-ath79-gpio-enable-set-direction.patch') diff --git a/target/linux/ar71xx/patches-3.18/811-MIPS-ath79-gpio-enable-set-direction.patch b/target/linux/ar71xx/patches-3.18/811-MIPS-ath79-gpio-enable-set-direction.patch new file mode 100644 index 0000000000..f2c1f67b04 --- /dev/null +++ b/target/linux/ar71xx/patches-3.18/811-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(struct gpio_chip *chip, unsigned offset, + 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, -- cgit v1.2.3