mfd: rk808: add rk816 support

[firefly-linux-kernel-4.4.55.git] / drivers / gpio / gpio-rk8xx.c

diff --git a/drivers/gpio/gpio-rk8xx.c b/drivers/gpio/gpio-rk8xx.c
index 6adc8d408c4a0a65cfd17eeebfd22709a97aa637..67577d21baab7922cd91207c7846f09f0647dddb 100644 (file)
--- a/drivers/gpio/gpio-rk8xx.c
+++ b/drivers/gpio/gpio-rk8xx.c
@@ -29,6 +29,10 @@
 #define RK805_OUT0_VALMASK     BIT(0)
 #define RK805_OUT1_VALMASK     BIT(1)
 
+#define RK816_FUN_MASK         BIT(2)
+#define RK816_OUT_VALMASK      BIT(3)
+#define RK816_DIR_MASK         BIT(4)
+
 struct rk8xx_gpio_reg {
        u8 reg;
        u8 dir_msk;
@@ -174,6 +178,15 @@ static struct rk8xx_gpio_reg rk805_gpio_reg[] = {
        },
 };
 
+static struct rk8xx_gpio_reg rk816_gpio_reg[] = {
+       {
+               .reg = RK816_GPIO_IO_POL_REG,
+               .dir_msk = RK816_DIR_MASK,
+               .val_msk = RK816_OUT_VALMASK,
+               .fun_msk = RK816_FUN_MASK,
+       },
+};
+
 static int rk8xx_gpio_probe(struct platform_device *pdev)
 {
        struct rk808 *rk8xx = dev_get_drvdata(pdev->dev.parent);
@@ -198,6 +211,10 @@ static int rk8xx_gpio_probe(struct platform_device *pdev)
                gi->gpio_reg = rk805_gpio_reg;
                gi->gpio_nr = ARRAY_SIZE(rk805_gpio_reg);
                break;
+       case RK816_ID:
+               gi->gpio_reg = rk816_gpio_reg;
+               gi->gpio_nr = ARRAY_SIZE(rk816_gpio_reg);
+               break;
        default:
                dev_err(&pdev->dev, "unsupported RK8XX ID %lu\n",
                        rk8xx->variant);