pinctrl: as3722: Set pin to output mode for some function

If pins are used for function output like pwm, clk32k,
power good etc then set it as output mode default.

Signed-off-by: Mallikarjun Kasoju <mkasoju@nvidia.com>
Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

diff --git a/drivers/pinctrl/pinctrl-as3722.c b/drivers/pinctrl/pinctrl-as3722.c
index 01bffc1..3be47ae 100644 (file)
--- a/drivers/pinctrl/pinctrl-as3722.c
+++ b/drivers/pinctrl/pinctrl-as3722.c
@@ -250,6 +250,26 @@ static int as3722_pinctrl_enable(struct pinctrl_dev *pctldev, unsigned function,
                return ret;
        }
        as_pci->gpio_control[group].io_function = function;
+
+       switch (val) {
+       case AS3722_GPIO_IOSF_SD0_OUT:
+       case AS3722_GPIO_IOSF_PWR_GOOD_OUT:
+       case AS3722_GPIO_IOSF_Q32K_OUT:
+       case AS3722_GPIO_IOSF_PWM_OUT:
+       case AS3722_GPIO_IOSF_SD6_LOW_VOLT_LOW:
+               ret = as3722_update_bits(as_pci->as3722, gpio_cntr_reg,
+                       AS3722_GPIO_MODE_MASK, AS3722_GPIO_MODE_OUTPUT_VDDH);
+               if (ret < 0) {
+                       dev_err(as_pci->dev, "GPIO%d_CTRL update failed %d\n",
+                               group, ret);
+                       return ret;
+               }
+               as_pci->gpio_control[group].mode_prop =
+                               AS3722_GPIO_MODE_OUTPUT_VDDH;
+               break;
+       default:
+               break;
+       }
        return ret;
 }
 

diff --git a/include/linux/mfd/as3722.h b/include/linux/mfd/as3722.h
index 16bf8a0..f654a7a 100644 (file)
--- a/include/linux/mfd/as3722.h
+++ b/include/linux/mfd/as3722.h
@@ -314,6 +314,7 @@
 #define AS3722_GPIO_IOSF_GPIO_INTERRUPT_IN             AS3722_GPIO_IOSF_VAL(3)
 #define AS3722_GPIO_IOSF_ISINK_PWM_IN                  AS3722_GPIO_IOSF_VAL(4)
 #define AS3722_GPIO_IOSF_VOLTAGE_STBY                  AS3722_GPIO_IOSF_VAL(5)
+#define AS3722_GPIO_IOSF_SD0_OUT                       AS3722_GPIO_IOSF_VAL(6)
 #define AS3722_GPIO_IOSF_PWR_GOOD_OUT                  AS3722_GPIO_IOSF_VAL(7)
 #define AS3722_GPIO_IOSF_Q32K_OUT                      AS3722_GPIO_IOSF_VAL(8)
 #define AS3722_GPIO_IOSF_WATCHDOG_IN                   AS3722_GPIO_IOSF_VAL(9)