linux_dsm_epyc7002/arch/arm64/boot/dts/qcom/apq8016-sbc-pmic-pins.dtsi
Ivan T. Ivanov b4dba94765 arm64: dts: apq8016-sbc: Limit MPP4 high state to 1.8V
96Boards specs require all GPIO signals to be at 1.8V.
Limit MPP4, which is PIN28 on J8, to 1.8V(L5).

Signed-off-by: Ivan T. Ivanov <ivan.ivanov@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2017-01-13 13:17:29 -06:00

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#include <dt-bindings/pinctrl/qcom,pmic-gpio.h>
#include <dt-bindings/pinctrl/qcom,pmic-mpp.h>
&pm8916_gpios {
usb_hub_reset_pm: usb_hub_reset_pm {
pinconf {
pins = "gpio3";
function = PMIC_GPIO_FUNC_NORMAL;
output-low;
};
};
usb_sw_sel_pm: usb_sw_sel_pm {
pinconf {
pins = "gpio4";
function = PMIC_GPIO_FUNC_NORMAL;
power-source = <PM8916_GPIO_VPH>;
input-disable;
};
};
pm8916_gpios_leds: pm8916_gpios_leds {
pinconf {
pins = "gpio1", "gpio2";
function = PMIC_GPIO_FUNC_NORMAL;
output-low;
};
};
};
&pm8916_mpps {
pinctrl-names = "default";
pinctrl-0 = <&ls_exp_gpio_f>;
ls_exp_gpio_f: pm8916_mpp4 {
pinconf {
pins = "mpp4";
function = "digital";
output-low;
power-source = <PM8916_MPP_L5>; // 1.8V
};
};
pm8916_mpps_leds: pm8916_mpps_leds {
pinconf {
pins = "mpp2", "mpp3";
function = "digital";
output-low;
};
};
};