Support w1-gpio(base)

Change-Id: I00c3e128356e54e5c1c3f18d95c45705e3e4c0af
Reviewed-on: https://tp-biosrd-v02/gerrit/81058
Reviewed-by: Scorpio Chang(張志賢) <Scorpio_Chang@asus.com>
Tested-by: Scorpio Chang(張志賢) <Scorpio_Chang@asus.com>

Author: Ecce_Li

arch/arm/boot/dts/overlays/Makefile

@@ -8,6 +8,7 @@ dtbo-$(CONFIG_ARCH_ROCKCHIP) += \
 	waveshare35a-tinker.dtbo \
 	waveshare32b-tinker.dtbo \
 	pps-gpio.dtbo \
+	w1-gpio.dtbo \
 
 targets += dtbs dtbs_install
 targets += $(dtbo-y)

arch/arm/boot/dts/overlays/w1-gpio-overlay.dts

@@ -0,0 +1,28 @@
+/dts-v1/;
+/plugin/;
+
+/ {
+    compatible = "rockchip,rk3288-miniarm", "rockchip,rk3288";
+    fragment@0 {
+        target-path = "/";
+        __overlay__ {
+            w1: onewire@0 {
+                compatible = "w1-gpio";
+                pinctrl-names = "default";
+                pinctrl-0 = <&w1_pins>;
+                gpios = <&gpio5 19 0>;
+                status = "okay";
+            };
+        };
+    };
+
+    fragment@1 {
+        target = <&gpio5>;
+        __overlay__ {
+            w1_pins: w1_pins@0 {
+                rockchip,pins = <5 19 0 &pcfg_pull_up>;
+            };
+        };
+    };
+};
+

arch/arm/configs/miniarm-rk3288_defconfig

@@ -778,3 +778,5 @@ CONFIG_TEXTSEARCH_BM=y
 CONFIG_TEXTSEARCH_FSM=y
 CONFIG_PPS_CLIENT_GPIO=y
 CONFIG_POSIX_MQUEUE=y
+CONFIG_W1=m
+CONFIG_W1_GPIO=m