From: "Ivan T. Ivanov" <[email protected]> 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 <[email protected]> --- arch/arm64/boot/dts/qcom/apq8016-sbc-pmic-pins.dtsi | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/apq8016-sbc-pmic-pins.dtsi b/arch/arm64/boot/dts/qcom/apq8016-sbc-pmic-pins.dtsi index f881437..d946408 100644 --- a/arch/arm64/boot/dts/qcom/apq8016-sbc-pmic-pins.dtsi +++ b/arch/arm64/boot/dts/qcom/apq8016-sbc-pmic-pins.dtsi @@ -1,4 +1,5 @@ #include <dt-bindings/pinctrl/qcom,pmic-gpio.h> +#include <dt-bindings/pinctrl/qcom,pmic-mpp.h> &pm8916_gpios { @@ -30,6 +31,18 @@ &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"; -- 2.10.1
