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Subject[PATCH] pinctrl: as3722: Set pin to output mode for some function
Date
From: Mallikarjun Kasoju <mkasoju@nvidia.com>

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>
---
drivers/pinctrl/pinctrl-as3722.c | 20 ++++++++++++++++++++
include/linux/mfd/as3722.h | 1 +
2 files changed, 21 insertions(+)

diff --git a/drivers/pinctrl/pinctrl-as3722.c b/drivers/pinctrl/pinctrl-as3722.c
index b80f1e1..92ed4b2 100644
--- 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 bb9616d..8d43e9f 100644
--- a/include/linux/mfd/as3722.h
+++ b/include/linux/mfd/as3722.h
@@ -316,6 +316,7 @@
#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)
--
1.7.9.5


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