build/patch/kernel/rockchip-dev/general-add-overlays.patch

diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index 6d4ff8cdf..2d0b2f4c4 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -872,7 +872,8 @@ dtb-$(CONFIG_ARCH_ROCKCHIP) += \
 	rk3288-veyron-minnie.dtb \
 	rk3288-veyron-pinky.dtb \
 	rk3288-veyron-speedy.dtb \
-	rk3288-vyasa.dtb
+	rk3288-vyasa.dtb 
+subdir-y	:= overlay
 dtb-$(CONFIG_ARCH_S3C24XX) += \
 	s3c2416-smdk2416.dtb
 dtb-$(CONFIG_ARCH_S3C64XX) += \
diff --git a/arch/arm/boot/dts/overlay/Makefile b/arch/arm/boot/dts/overlay/Makefile
new file mode 100644
index 000000000..b95172d18
--- /dev/null
+++ b/arch/arm/boot/dts/overlay/Makefile
@@ -0,0 +1,15 @@
+# SPDX-License-Identifier: GPL-2.0
+dtbo-$(CONFIG_ARCH_ROCKCHIP) += \
+	rockchip-ds1307.dtbo
+
+scr-$(CONFIG_ARCH_ROCKCHIP) += \
+       rockchip-fixup.scr
+
+dtbotxt-$(CONFIG_ARCH_ROCKCHIP) += \
+       README.rockchip-overlays
+
+targets += $(dtbo-y) $(scr-y) $(dtbotxt-y)
+
+always         := $(dtbo-y) $(scr-y) $(dtbotxt-y)
+clean-files    := *.dtbo *.scr
+
diff --git a/arch/arm/boot/dts/overlay/README.rockchip-overlays b/arch/arm/boot/dts/overlay/README.rockchip-overlays
new file mode 100644
index 000000000..ca8d80af1
--- /dev/null
+++ b/arch/arm/boot/dts/overlay/README.rockchip-overlays
@@ -0,0 +1,18 @@
+This document describes overlays provided in the kernel packages
+For generic Armbian overlays documentation please see
+https://docs.armbian.com/User-Guide_Allwinner_overlays/
+
+### Platform:
+
+rockchip (Rockchip)
+
+### Provided overlays:
+
+- ds1307
+
+### Overlay details:
+
+### ds1307
+
+Activates ds1307 rtc on i2c1
+
diff --git a/arch/arm/boot/dts/overlay/rockchip-ds1307.dts b/arch/arm/boot/dts/overlay/rockchip-ds1307.dts
new file mode 100644
index 000000000..e60a37e0f
--- /dev/null
+++ b/arch/arm/boot/dts/overlay/rockchip-ds1307.dts
@@ -0,0 +1,17 @@
+// Definitions for ds1307
+/dts-v1/;
+/plugin/;
+
+/ {
+	compatible = "rockchip,rk3288-miniarm", "rockchip,rk3288";
+
+	fragment@0 {
+		target = <&i2c1>;
+		__overlay__ {
+			rtc: ds1307@68 {
+				compatible = "dallas,ds1307";
+				status = "okay";
+			};
+		};
+	};
+};
diff --git a/arch/arm/boot/dts/overlay/rockchip-fixup.scr-cmd b/arch/arm/boot/dts/overlay/rockchip-fixup.scr-cmd
new file mode 100644
index 000000000..d4c39e20a
--- /dev/null
+++ b/arch/arm/boot/dts/overlay/rockchip-fixup.scr-cmd
@@ -0,0 +1,4 @@
+# overlays fixup script
+# implements (or rather substitutes) overlay arguments functionality
+# using u-boot scripting, environment variables and "fdt" command
+
diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib
index db7399a49..6f14d9c7b 100644
--- a/scripts/Makefile.lib
+++ b/scripts/Makefile.lib
@@ -61,6 +61,9 @@ real-obj-m := $(foreach m, $(obj-m), $(if $(strip $($(m:.o=-objs)) $($(m:.o=-y))
 extra-y				+= $(dtb-y)
 extra-$(CONFIG_OF_ALL_DTBS)	+= $(dtb-)
 
+# Overlay targets
+extra-y				+= $(dtbo-y) $(scr-y) $(dtbotxt-y)
+
 # Add subdir path
 
 extra-y		:= $(addprefix $(obj)/,$(extra-y))
diff --git a/arch/arm/boot/dts/overlay/Makefile b/arch/arm/boot/dts/overlay/Makefile
index b95172d18..f1c792059 100644
--- a/arch/arm/boot/dts/overlay/Makefile
+++ b/arch/arm/boot/dts/overlay/Makefile
@@ -1,6 +1,7 @@
 # SPDX-License-Identifier: GPL-2.0
 dtbo-$(CONFIG_ARCH_ROCKCHIP) += \
-	rockchip-ds1307.dtbo
+	rockchip-ds1307.dtbo	\
+	rockchip-w1-gpio.dtbo
 
 scr-$(CONFIG_ARCH_ROCKCHIP) += \
        rockchip-fixup.scr
diff --git a/arch/arm/boot/dts/overlay/README.rockchip-overlays b/arch/arm/boot/dts/overlay/README.rockchip-overlays
index ca8d80af1..14b22cc0c 100644
--- a/arch/arm/boot/dts/overlay/README.rockchip-overlays
+++ b/arch/arm/boot/dts/overlay/README.rockchip-overlays
@@ -9,6 +9,7 @@ rockchip (Rockchip)
 ### Provided overlays:
 
 - ds1307
+- w1-gpio
 
 ### Overlay details:
 
@@ -16,3 +17,8 @@ rockchip (Rockchip)
 
 Activates ds1307 rtc on i2c1
 
+### w1-gpio
+
+Activates 1-wire gpio master on GPIO0 17
+
+
diff --git a/arch/arm/boot/dts/overlay/rockchip-ds1307.dts b/arch/arm/boot/dts/overlay/rockchip-ds1307.dts
index e60a37e0f..af240e46b 100644
--- a/arch/arm/boot/dts/overlay/rockchip-ds1307.dts
+++ b/arch/arm/boot/dts/overlay/rockchip-ds1307.dts
@@ -1,4 +1,7 @@
-// Definitions for ds1307
+/* 	Definitions for ds1307
+*	From ASUS: https://github.com/TinkerBoard/debian_kernel/commits/develop/arch/arm/boot/dts/overlays/ds1307-overlay.dts
+*/
+
 /dts-v1/;
 /plugin/;
 
@@ -10,6 +13,7 @@
 		__overlay__ {
 			rtc: ds1307@68 {
 				compatible = "dallas,ds1307";
+				reg = <0x68>;
 				status = "okay";
 			};
 		};
diff --git a/arch/arm/boot/dts/overlay/rockchip-w1-gpio.dts b/arch/arm/boot/dts/overlay/rockchip-w1-gpio.dts
new file mode 100644
index 000000000..02bb81a1e
--- /dev/null
+++ b/arch/arm/boot/dts/overlay/rockchip-w1-gpio.dts
@@ -0,0 +1,33 @@
+/* 1-Wire GPIO
+*  From ASUS: https://github.com/TinkerBoard/debian_kernel/blob/develop/arch/arm/boot/dts/overlays/w1-gpio-overlay.dts
+*
+*
+*/
+
+/dts-v1/;
+/plugin/;
+
+/ {
+    compatible = "rockchip,rk3288-tinker", "rockchip,rk3288";
+    fragment@0 {
+        target-path = "/";
+        __overlay__ {
+            w1: onewire@0 {
+                compatible = "w1-gpio";
+                pinctrl-names = "default";
+                pinctrl-0 = <&w1_pins>;
+                gpios = <&gpio0 17 0>;
+                status = "okay";
+            };
+        };
+    };
+
+    fragment@1 {
+        target = <&gpio0>;
+        __overlay__ {
+            w1_pins: w1_pins@0 {
+                rockchip,pins = <0 17 0 &pcfg_pull_up>;
+            };
+        };
+    };
+};