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Commit f8720e5e authored by Mallikarjun Kasoju's avatar Mallikarjun Kasoju Committed by Linus Walleij
Browse files

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: default avatarMallikarjun Kasoju <mkasoju@nvidia.com>
Signed-off-by: default avatarLaxman Dewangan <ldewangan@nvidia.com>
Acked-by: default avatarLee Jones <lee.jones@linaro.org>
Signed-off-by: default avatarLinus Walleij <linus.walleij@linaro.org>
parent 8385af02

drivers/pinctrl/pinctrl-as3722.c

+20 −0
Original line number Diff line number Diff line
@@ -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;

}

include/linux/mfd/as3722.h

+1 −0
Original line number Diff line number Diff line
@@ -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)