ar71xx: Add support for ath79_gpio_function_* on QCA955X

Signed-off-by: Sven Eckelmann <sven.eckelmann@open-mesh.com>

SVN-Revision: 49074

target/linux/ar71xx/patches-4.1/739-MIPS-ath79-add-gpio-func-register-for-QCA955x-SoC.patch

@@ -1,6 +1,14 @@
 --- a/arch/mips/ath79/gpio.c
 +++ b/arch/mips/ath79/gpio.c
-@@ -223,15 +223,30 @@ void __init ath79_gpio_output_select(uns
+@@ -186,6 +186,7 @@ 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;
+@@ -223,15 +224,30 @@ void __init ath79_gpio_output_select(uns
  {
  	void __iomem *base = ath79_gpio_base;
  	unsigned long flags;

target/linux/ar71xx/patches-4.4/739-MIPS-ath79-add-gpio-func-register-for-QCA955x-SoC.patch

@@ -1,6 +1,14 @@
 --- a/arch/mips/ath79/gpio.c
 +++ b/arch/mips/ath79/gpio.c
-@@ -64,15 +64,21 @@ void ath79_gpio_function_disable(u32 mas
+@@ -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;
@@ -9,6 +17,9 @@
  	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())
@@ -20,9 +31,6 @@
 +	else
 +		BUG();
  
--	if (gpio >= AR934X_GPIO_COUNT)
--		return;
--
 -	reg = AR934X_GPIO_REG_OUT_FUNC0 + 4 * (gpio / 4);
 +	reg = reg_base + 4 * (gpio / 4);
  	s = 8 * (gpio % 4);