build/patch/kernel/archive/rockchip-5.16/general-add-overlays.patch

From f714d89ebd3ee718cb7ab8574ec92407b50b5aee Mon Sep 17 00:00:00 2001
From: Paolo Sabatino <paolo.sabatino@gmail.com>
Date: Sun, 20 Mar 2022 09:30:24 +0000
Subject: [PATCH] rk3288: general add overlays

---
 arch/arm/boot/dts/overlay/Makefile            | 26 +++++++
 .../boot/dts/overlay/README.rockchip-overlays | 78 +++++++++++++++++++
 arch/arm/boot/dts/overlay/rockchip-ds1307.dts | 23 ++++++
 .../boot/dts/overlay/rockchip-fixup.scr-cmd   |  4 +
 arch/arm/boot/dts/overlay/rockchip-i2c1.dts   | 16 ++++
 arch/arm/boot/dts/overlay/rockchip-i2c4.dts   | 16 ++++
 arch/arm/boot/dts/overlay/rockchip-spi0.dts   | 16 ++++
 arch/arm/boot/dts/overlay/rockchip-spi2.dts   | 16 ++++
 .../arm/boot/dts/overlay/rockchip-spidev0.dts | 35 +++++++++
 .../arm/boot/dts/overlay/rockchip-spidev2.dts | 35 +++++++++
 arch/arm/boot/dts/overlay/rockchip-uart1.dts  | 16 ++++
 arch/arm/boot/dts/overlay/rockchip-uart2.dts  | 16 ++++
 arch/arm/boot/dts/overlay/rockchip-uart3.dts  | 16 ++++
 arch/arm/boot/dts/overlay/rockchip-uart4.dts  | 16 ++++
 .../arm/boot/dts/overlay/rockchip-w1-gpio.dts | 23 ++++++
 15 files changed, 352 insertions(+)
 create mode 100644 arch/arm/boot/dts/overlay/Makefile
 create mode 100644 arch/arm/boot/dts/overlay/README.rockchip-overlays
 create mode 100644 arch/arm/boot/dts/overlay/rockchip-ds1307.dts
 create mode 100644 arch/arm/boot/dts/overlay/rockchip-fixup.scr-cmd
 create mode 100644 arch/arm/boot/dts/overlay/rockchip-i2c1.dts
 create mode 100644 arch/arm/boot/dts/overlay/rockchip-i2c4.dts
 create mode 100644 arch/arm/boot/dts/overlay/rockchip-spi0.dts
 create mode 100644 arch/arm/boot/dts/overlay/rockchip-spi2.dts
 create mode 100644 arch/arm/boot/dts/overlay/rockchip-spidev0.dts
 create mode 100644 arch/arm/boot/dts/overlay/rockchip-spidev2.dts
 create mode 100644 arch/arm/boot/dts/overlay/rockchip-uart1.dts
 create mode 100644 arch/arm/boot/dts/overlay/rockchip-uart2.dts
 create mode 100644 arch/arm/boot/dts/overlay/rockchip-uart3.dts
 create mode 100644 arch/arm/boot/dts/overlay/rockchip-uart4.dts
 create mode 100644 arch/arm/boot/dts/overlay/rockchip-w1-gpio.dts

diff --git a/arch/arm/boot/dts/overlay/Makefile b/arch/arm/boot/dts/overlay/Makefile
new file mode 100644
index 00000000000..56d8cb187aa
--- /dev/null
+++ b/arch/arm/boot/dts/overlay/Makefile
@@ -0,0 +1,26 @@
+# SPDX-License-Identifier: GPL-2.0
+dtbo-$(CONFIG_ARCH_ROCKCHIP) += \
+	rockchip-ds1307.dtbo	\
+	rockchip-i2c1.dtbo	\
+	rockchip-i2c4.dtbo	\
+	rockchip-spi0.dtbo	\
+	rockchip-spi2.dtbo	\
+	rockchip-spidev0.dtbo	\
+	rockchip-spidev2.dtbo	\
+	rockchip-uart1.dtbo	\
+	rockchip-uart2.dtbo	\
+	rockchip-uart3.dtbo	\
+	rockchip-uart4.dtbo	\
+	rockchip-w1-gpio.dtbo
+
+scr-$(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 00000000000..df4559ca262
--- /dev/null
+++ b/arch/arm/boot/dts/overlay/README.rockchip-overlays
@@ -0,0 +1,78 @@
+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
+- i2c1
+- i2c4
+- spi0
+- spi2
+- spidev0
+- spidev2
+- uart1
+- uart2
+- uart3
+- uart4
+- w1-gpio
+
+### Overlay details:
+
+### ds1307
+
+Activates ds1307 rtc on i2c1
+
+### i2c1
+
+Activate i2c1
+
+### i2c4
+
+Activate i2c4
+
+### spi0
+
+Activate spi0
+conflicts with uart4
+
+### spi2
+
+Activate spi2
+
+### spidev0
+
+Activate spidev on spi0
+Depends on spi0
+
+### spidev2
+
+Activate spidev on spi2
+depends on spi2
+
+### uart1
+
+Activate uart1
+
+### uart2
+
+Activate uart2
+
+### uart3
+
+Activate uart3
+
+### uart4
+
+Activate uart4
+Conflicts with spi0
+
+### 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
new file mode 100644
index 00000000000..ab7d648c2aa
--- /dev/null
+++ b/arch/arm/boot/dts/overlay/rockchip-ds1307.dts
@@ -0,0 +1,23 @@
+/* 	Definitions for ds1307
+*	From ASUS: https://github.com/TinkerBoard/debian_kernel/commits/develop/arch/arm/boot/dts/overlays/ds1307-overlay.dts
+*/
+
+/dts-v1/;
+/plugin/;
+
+/ {
+	compatible = "rockchip,rk3288";
+
+	fragment@0 {
+		target = <&i2c1>;
+		__overlay__ {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			rtc: ds1307@68 {
+				compatible = "dallas,ds1307";
+				reg = <0x68>;
+				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 00000000000..d4c39e20a3a
--- /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/arch/arm/boot/dts/overlay/rockchip-i2c1.dts b/arch/arm/boot/dts/overlay/rockchip-i2c1.dts
new file mode 100644
index 00000000000..f09f85e42cb
--- /dev/null
+++ b/arch/arm/boot/dts/overlay/rockchip-i2c1.dts
@@ -0,0 +1,16 @@
+/* 	Definitions for i2c1
+*/
+
+/dts-v1/;
+/plugin/;
+
+/ {
+	compatible = "rockchip,rk3288";
+
+	fragment@0 {
+		target = <&i2c1>;
+		__overlay__ {
+			status = "okay";
+		};
+	};
+};
diff --git a/arch/arm/boot/dts/overlay/rockchip-i2c4.dts b/arch/arm/boot/dts/overlay/rockchip-i2c4.dts
new file mode 100644
index 00000000000..5b43b85045f
--- /dev/null
+++ b/arch/arm/boot/dts/overlay/rockchip-i2c4.dts
@@ -0,0 +1,16 @@
+/* 	Definitions for i2c4
+*/
+
+/dts-v1/;
+/plugin/;
+
+/ {
+	compatible = "rockchip,rk3288";
+
+	fragment@0 {
+		target = <&i2c4>;
+		__overlay__ {
+			status = "okay";
+		};
+	};
+};
diff --git a/arch/arm/boot/dts/overlay/rockchip-spi0.dts b/arch/arm/boot/dts/overlay/rockchip-spi0.dts
new file mode 100644
index 00000000000..d2dfcd6220e
--- /dev/null
+++ b/arch/arm/boot/dts/overlay/rockchip-spi0.dts
@@ -0,0 +1,16 @@
+/* 	Definitions for spi0
+*/
+
+/dts-v1/;
+/plugin/;
+
+/ {
+	compatible = "rockchip,rk3288";
+
+	fragment@0 {
+		target = <&spi0>;
+		__overlay__ {
+			status = "okay";
+		};
+	};
+};
diff --git a/arch/arm/boot/dts/overlay/rockchip-spi2.dts b/arch/arm/boot/dts/overlay/rockchip-spi2.dts
new file mode 100644
index 00000000000..2cd50ae4b9d
--- /dev/null
+++ b/arch/arm/boot/dts/overlay/rockchip-spi2.dts
@@ -0,0 +1,16 @@
+/* 	Definitions for spi2
+*/
+
+/dts-v1/;
+/plugin/;
+
+/ {
+	compatible = "rockchip,rk3288";
+
+	fragment@0 {
+		target = <&spi2>;
+		__overlay__ {
+			status = "okay";
+		};
+	};
+};
diff --git a/arch/arm/boot/dts/overlay/rockchip-spidev0.dts b/arch/arm/boot/dts/overlay/rockchip-spidev0.dts
new file mode 100644
index 00000000000..728cde52351
--- /dev/null
+++ b/arch/arm/boot/dts/overlay/rockchip-spidev0.dts
@@ -0,0 +1,35 @@
+/* Definition for SPI0 Spidev
+ * spi port for Tinker Board
+ */
+
+/dts-v1/;
+/plugin/;
+
+/{
+	compatible = "rockchip,rk3288";
+
+	fragment@0 {
+
+		target = <&spi0>;
+		__overlay__ {
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			spidev@0 {
+				compatible = "rockchip,spi_tinker";
+				reg = <0>;
+				spi-max-frequency = <50000000>;
+				spi-cpha = <1>;
+				status = "okay";
+			};
+
+			spidev@1 {
+				compatible = "rockchip,spi_tinker";
+				reg = <1>;
+				spi-max-frequency = <50000000>;
+				spi-cpha = <1>;
+				status = "okay";
+			};
+		};
+	};
+};
diff --git a/arch/arm/boot/dts/overlay/rockchip-spidev2.dts b/arch/arm/boot/dts/overlay/rockchip-spidev2.dts
new file mode 100644
index 00000000000..262bb61d959
--- /dev/null
+++ b/arch/arm/boot/dts/overlay/rockchip-spidev2.dts
@@ -0,0 +1,35 @@
+/* Definition for SPI2 Spidev
+ * spi port for Tinker Board
+ */
+
+/dts-v1/;
+/plugin/;
+
+/{
+	compatible = "rockchip,rk3288";
+
+	fragment@0 {
+
+		target = <&spi2>;
+		__overlay__ {
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			spidev@0 {
+				compatible = "rockchip,spi_tinker";
+				reg = <0>;
+				spi-max-frequency = <50000000>;
+				spi-cpha = <1>;
+				status = "okay";
+			};
+
+			spidev@1 {
+				compatible = "rockchip,spi_tinker";
+				reg = <1>;
+				spi-max-frequency = <50000000>;
+				spi-cpha = <1>;
+				status = "okay";
+			};
+		};
+	};
+};
diff --git a/arch/arm/boot/dts/overlay/rockchip-uart1.dts b/arch/arm/boot/dts/overlay/rockchip-uart1.dts
new file mode 100644
index 00000000000..8604ff90d2a
--- /dev/null
+++ b/arch/arm/boot/dts/overlay/rockchip-uart1.dts
@@ -0,0 +1,16 @@
+/* 	Definitions for uart1
+*/
+
+/dts-v1/;
+/plugin/;
+
+/ {
+	compatible = "rockchip,rk3288";
+
+	fragment@0 {
+		target = <&uart1>;
+		__overlay__ {
+			status = "okay";
+		};
+	};
+};
diff --git a/arch/arm/boot/dts/overlay/rockchip-uart2.dts b/arch/arm/boot/dts/overlay/rockchip-uart2.dts
new file mode 100644
index 00000000000..a57873d560b
--- /dev/null
+++ b/arch/arm/boot/dts/overlay/rockchip-uart2.dts
@@ -0,0 +1,16 @@
+/* 	Definitions for uart2
+*/
+
+/dts-v1/;
+/plugin/;
+
+/ {
+	compatible = "rockchip,rk3288";
+
+	fragment@0 {
+		target = <&uart2>;
+		__overlay__ {
+			status = "okay";
+		};
+	};
+};
diff --git a/arch/arm/boot/dts/overlay/rockchip-uart3.dts b/arch/arm/boot/dts/overlay/rockchip-uart3.dts
new file mode 100644
index 00000000000..d1b77ffbf31
--- /dev/null
+++ b/arch/arm/boot/dts/overlay/rockchip-uart3.dts
@@ -0,0 +1,16 @@
+/* 	Definitions for uart3
+*/
+
+/dts-v1/;
+/plugin/;
+
+/ {
+	compatible = "rockchip,rk3288";
+
+	fragment@0 {
+		target = <&uart3>;
+		__overlay__ {
+			status = "okay";
+		};
+	};
+};
diff --git a/arch/arm/boot/dts/overlay/rockchip-uart4.dts b/arch/arm/boot/dts/overlay/rockchip-uart4.dts
new file mode 100644
index 00000000000..13fd8f4eca9
--- /dev/null
+++ b/arch/arm/boot/dts/overlay/rockchip-uart4.dts
@@ -0,0 +1,16 @@
+/* 	Definitions for uart4
+*/
+
+/dts-v1/;
+/plugin/;
+
+/ {
+	compatible = "rockchip,rk3288";
+
+	fragment@0 {
+		target = <&uart4>;
+		__overlay__ {
+			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 00000000000..cc1f50a91bb
--- /dev/null
+++ b/arch/arm/boot/dts/overlay/rockchip-w1-gpio.dts
@@ -0,0 +1,23 @@
+/* 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";
+    fragment@0 {
+        target-path = "/";
+        __overlay__ {
+            w1: onewire@0 {
+                compatible = "w1-gpio";
+                pinctrl-names = "default";
+                gpios = <&gpio0 17 0>;
+                status = "okay";
+            };
+        };
+    };
+};
-- 
2.30.2