a65f7d993f858567415feadc2aeac447f4f321de
[openwrt.git] / target / linux / ar71xx / patches-4.4 / 739-MIPS-ath79-add-gpio-func-register-for-QCA955x-SoC.patch
1 --- a/arch/mips/ath79/gpio.c
2 +++ b/arch/mips/ath79/gpio.c
3 @@ -33,6 +33,7 @@ static void __iomem *ath79_gpio_get_func
4                 reg = AR71XX_GPIO_REG_FUNC;
5         else if (soc_is_ar934x() ||
6                  soc_is_qca953x() ||
7 +                soc_is_qca955x() ||
8                  soc_is_qca956x() ||
9                  soc_is_tp9343())
10                 reg = AR934X_GPIO_REG_FUNC;
11 @@ -64,15 +65,21 @@ void ath79_gpio_function_disable(u32 mas
12  void __init ath79_gpio_output_select(unsigned gpio, u8 val)
13  {
14         void __iomem *base = ath79_gpio_base;
15 -       unsigned int reg;
16 +       unsigned int reg, reg_base;
17         u32 t, s;
18  
19 -       BUG_ON(!soc_is_ar934x() && !soc_is_qca953x() && !soc_is_qca956x());
20 -
21 -       if (gpio >= AR934X_GPIO_COUNT)
22 -               return;
23 +       if (soc_is_ar934x())
24 +               reg_base = AR934X_GPIO_REG_OUT_FUNC0;
25 +       else if (soc_is_qca953x())
26 +               reg_base = QCA953X_GPIO_REG_OUT_FUNC0;
27 +       else if (soc_is_qca955x())
28 +               reg_base = QCA955X_GPIO_REG_OUT_FUNC0;
29 +       else if (soc_is_qca956x())
30 +               reg_base = QCA956X_GPIO_REG_OUT_FUNC0;
31 +       else
32 +               BUG();
33  
34 -       reg = AR934X_GPIO_REG_OUT_FUNC0 + 4 * (gpio / 4);
35 +       reg = reg_base + 4 * (gpio / 4);
36         s = 8 * (gpio % 4);
37  
38         t = __raw_readl(base + reg);