openwrt/target/linux/ar71xx/patches-4.4/739-MIPS-ath79-add-gpio-func-register-for-QCA955x-SoC.patch
John Crispin 9213fefb4d ar71xx: Add QCA955X GPIO mux and function definitions
Signed-off-by: Sven Eckelmann <sven.eckelmann@open-mesh.com>

SVN-Revision: 49075
2016-03-23 12:52:31 +00:00

39 lines
1.1 KiB
Diff

--- a/arch/mips/ath79/gpio.c
+++ b/arch/mips/ath79/gpio.c
@@ -33,6 +33,7 @@ static void __iomem *ath79_gpio_get_func
reg = AR71XX_GPIO_REG_FUNC;
else if (soc_is_ar934x() ||
soc_is_qca953x() ||
+ soc_is_qca955x() ||
soc_is_qca956x() ||
soc_is_tp9343())
reg = AR934X_GPIO_REG_FUNC;
@@ -64,15 +65,21 @@ void ath79_gpio_function_disable(u32 mas
void __init ath79_gpio_output_select(unsigned gpio, u8 val)
{
void __iomem *base = ath79_gpio_base;
- unsigned int reg;
+ unsigned int reg, reg_base;
u32 t, s;
- BUG_ON(!soc_is_ar934x() && !soc_is_qca953x() && !soc_is_qca956x());
-
- if (gpio >= AR934X_GPIO_COUNT)
- return;
+ if (soc_is_ar934x())
+ reg_base = AR934X_GPIO_REG_OUT_FUNC0;
+ else if (soc_is_qca953x())
+ reg_base = QCA953X_GPIO_REG_OUT_FUNC0;
+ else if (soc_is_qca955x())
+ reg_base = QCA955X_GPIO_REG_OUT_FUNC0;
+ else if (soc_is_qca956x())
+ reg_base = QCA956X_GPIO_REG_OUT_FUNC0;
+ else
+ BUG();
- reg = AR934X_GPIO_REG_OUT_FUNC0 + 4 * (gpio / 4);
+ reg = reg_base + 4 * (gpio / 4);
s = 8 * (gpio % 4);
t = __raw_readl(base + reg);