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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>
This commit is contained in:
Mallikarjun Kasoju 2014-01-07 14:10:56 +05:30 committed by Linus Walleij
parent 8385af02ba
commit f8720e5ec7
2 changed files with 21 additions and 0 deletions
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20
drivers/pinctrl/pinctrl-as3722.c
View File

@ -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;
}

1
include/linux/mfd/as3722.h
View File

@ -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)