arm64: dts: qcom: Add initial set of PMIC and SoC pins for APQ8016 SBC board

Add initial device configuration nodes for APQ8016 and PM8916 GPIO's.
Signed-off-by: Ivan T. Ivanov <ivan.ivanov@linaro.org>
Signed-off-by: Kumar Gala <galak@codeaurora.org>

arch/arm64/boot/dts/qcom/apq8016-sbc-pmic-pins.dtsi

+#include <dt-bindings/pinctrl/qcom,pmic-gpio.h>
+
+&pm8916_gpios {
+
+	pinctrl-names = "default";
+	pinctrl-0 = <&pm8916_gpios_default>;
+
+	pm8916_gpios_default: default {
+		usb_hub_reset_pm {
+			pins = "gpio1";
+			function = PMIC_GPIO_FUNC_NORMAL;
+			output-low;
+		};
+		usb_sw_sel_pm {
+			pins = "gpio2";
+			function = PMIC_GPIO_FUNC_NORMAL;
+			input-disable;
+		};
+		usr_led_3_ctrl {
+			pins = "gpio3";
+			function = PMIC_GPIO_FUNC_NORMAL;
+			output-low;
+		};
+		usr_led_4_ctrl {
+			pins = "gpio4";
+			function = PMIC_GPIO_FUNC_NORMAL;
+			output-low;
+		};
+	};
+};

arch/arm64/boot/dts/qcom/apq8016-sbc-soc-pins.dtsi

+
+#include <dt-bindings/gpio/gpio.h>
+
+&msmgpio {
+
+	pinctrl-names = "default";
+	pinctrl-0 = <&soc_gpios_default>;
+
+	soc_gpios_default: default {
+		usr_led_1_ctrl_default: usr_led_1_ctrl_default {
+			pins = "gpio21";
+			function = "gpio";
+			output-low;
+		};
+		usr_led_2_ctrl_default: usr_led_2_ctrl_default {
+			pins = "gpio120";
+			function = "gpio";
+			output-low;
+		};
+	};
+};

arch/arm64/boot/dts/qcom/apq8016-sbc.dtsi

@@ -13,6 +13,8 @@
 
 #include "msm8916.dtsi"
 #include "pm8916.dtsi"
+#include "apq8016-sbc-soc-pins.dtsi"
+#include "apq8016-sbc-pmic-pins.dtsi"
 
 / {
 	aliases {

arch/arm64/boot/dts/qcom/msm8916.dtsi

@@ -82,7 +82,7 @@ restart@4ab000 {
 			reg = <0x4ab000 0x4>;
 		};
 
-		pinctrl@1000000 {
+		msmgpio: pinctrl@1000000 {
 			compatible = "qcom,msm8916-pinctrl";
 			reg = <0x1000000 0x300000>;
 			interrupts = <GIC_SPI 208 IRQ_TYPE_LEVEL_HIGH>;