From 0ba8830e85e36ba45b122bc9719ed9be67f94324 Mon Sep 17 00:00:00 2001
From: Steve Jeong <steve@how2flow.net>
Date: Thu, 7 Mar 2024 03:15:27 +0000
Subject: [PATCH] ODROID-M2: dtb/dtbo: Add gpio alt function overlays

Signed-off-by: Steve Jeong <steve@how2flow.net>
Change-Id: I853cdb308affad904cf6b1191b25cff004c67436
---
 .../dts/rockchip/overlays/odroidm2/Makefile   | 11 ++++++++++
 .../dts/rockchip/overlays/odroidm2/can0.dts   | 12 ++++++++++
 .../dts/rockchip/overlays/odroidm2/i2c0.dts   | 12 ++++++++++
 .../dts/rockchip/overlays/odroidm2/i2c1.dts   | 12 ++++++++++
 .../dts/rockchip/overlays/odroidm2/pwm15.dts  | 12 ++++++++++
 .../dts/rockchip/overlays/odroidm2/pwm3.dts   | 12 ++++++++++
 .../dts/rockchip/overlays/odroidm2/pwm7.dts   | 12 ++++++++++
 .../dts/rockchip/overlays/odroidm2/pwm8.dts   | 12 ++++++++++
 .../dts/rockchip/overlays/odroidm2/spi0.dts   | 22 +++++++++++++++++++
 .../overlays/odroidm2/uart0-with-ctsrts.dts   | 17 ++++++++++++++
 .../dts/rockchip/overlays/odroidm2/uart0.dts  | 12 ++++++++++
 .../dts/rockchip/overlays/odroidm2/uart1.dts  | 12 ++++++++++
 12 files changed, 158 insertions(+)
 create mode 100644 arch/arm64/boot/dts/rockchip/overlays/odroidm2/can0.dts
 create mode 100644 arch/arm64/boot/dts/rockchip/overlays/odroidm2/i2c0.dts
 create mode 100644 arch/arm64/boot/dts/rockchip/overlays/odroidm2/i2c1.dts
 create mode 100644 arch/arm64/boot/dts/rockchip/overlays/odroidm2/pwm15.dts
 create mode 100644 arch/arm64/boot/dts/rockchip/overlays/odroidm2/pwm3.dts
 create mode 100644 arch/arm64/boot/dts/rockchip/overlays/odroidm2/pwm7.dts
 create mode 100644 arch/arm64/boot/dts/rockchip/overlays/odroidm2/pwm8.dts
 create mode 100644 arch/arm64/boot/dts/rockchip/overlays/odroidm2/spi0.dts
 create mode 100644 arch/arm64/boot/dts/rockchip/overlays/odroidm2/uart0-with-ctsrts.dts
 create mode 100644 arch/arm64/boot/dts/rockchip/overlays/odroidm2/uart0.dts
 create mode 100644 arch/arm64/boot/dts/rockchip/overlays/odroidm2/uart1.dts

diff --git a/arch/arm64/boot/dts/rockchip/overlays/odroidm2/Makefile b/arch/arm64/boot/dts/rockchip/overlays/odroidm2/Makefile
index 28c5d598b3c3..68e7369797d3 100644
--- a/arch/arm64/boot/dts/rockchip/overlays/odroidm2/Makefile
+++ b/arch/arm64/boot/dts/rockchip/overlays/odroidm2/Makefile
@@ -1,7 +1,18 @@
 # Overlays for the Odroid platform
 
 dtbo-y += \
+	can0.dtbo \
 	display_vu8s.dtbo \
+	i2c0.dtbo \
+	i2c1.dtbo \
+	pwm15.dtbo \
+	pwm3.dtbo \
+	pwm7.dtbo \
+	pwm8.dtbo \
+	spi0.dtbo \
+	uart0-with-ctsrts.dtbo \
+	uart0.dtbo \
+	uart1.dtbo
 
 targets += $(dtbo-y)
 always-y := $(dtbo-y)
diff --git a/arch/arm64/boot/dts/rockchip/overlays/odroidm2/can0.dts b/arch/arm64/boot/dts/rockchip/overlays/odroidm2/can0.dts
new file mode 100644
index 000000000000..7920821ea33e
--- /dev/null
+++ b/arch/arm64/boot/dts/rockchip/overlays/odroidm2/can0.dts
@@ -0,0 +1,12 @@
+/dts-v1/;
+/plugin/;
+
+/ {
+	fragment@0 {
+		target = <&can2>;
+
+		__overlay__ {
+			status = "okay";
+		};
+	};
+};
diff --git a/arch/arm64/boot/dts/rockchip/overlays/odroidm2/i2c0.dts b/arch/arm64/boot/dts/rockchip/overlays/odroidm2/i2c0.dts
new file mode 100644
index 000000000000..dcdba25e9f98
--- /dev/null
+++ b/arch/arm64/boot/dts/rockchip/overlays/odroidm2/i2c0.dts
@@ -0,0 +1,12 @@
+/dts-v1/;
+/plugin/;
+
+/ {
+	fragment@0 {
+		target = <&i2c5>;
+
+		__overlay__ {
+			status = "okay";
+		};
+	};
+};
diff --git a/arch/arm64/boot/dts/rockchip/overlays/odroidm2/i2c1.dts b/arch/arm64/boot/dts/rockchip/overlays/odroidm2/i2c1.dts
new file mode 100644
index 000000000000..035ba2d3efd3
--- /dev/null
+++ b/arch/arm64/boot/dts/rockchip/overlays/odroidm2/i2c1.dts
@@ -0,0 +1,12 @@
+/dts-v1/;
+/plugin/;
+
+/ {
+	fragment@0 {
+		target = <&i2c6>;
+
+		__overlay__ {
+			status = "okay";
+		};
+	};
+};
diff --git a/arch/arm64/boot/dts/rockchip/overlays/odroidm2/pwm15.dts b/arch/arm64/boot/dts/rockchip/overlays/odroidm2/pwm15.dts
new file mode 100644
index 000000000000..91d142f5f40c
--- /dev/null
+++ b/arch/arm64/boot/dts/rockchip/overlays/odroidm2/pwm15.dts
@@ -0,0 +1,12 @@
+/dts-v1/;
+/plugin/;
+
+/ {
+	fragment@0 {
+		target = <&pwm15>;
+
+		__overlay__ {
+			status = "okay";
+		};
+	};
+};
diff --git a/arch/arm64/boot/dts/rockchip/overlays/odroidm2/pwm3.dts b/arch/arm64/boot/dts/rockchip/overlays/odroidm2/pwm3.dts
new file mode 100644
index 000000000000..23639a25e5ac
--- /dev/null
+++ b/arch/arm64/boot/dts/rockchip/overlays/odroidm2/pwm3.dts
@@ -0,0 +1,12 @@
+/dts-v1/;
+/plugin/;
+
+/ {
+	fragment@0 {
+		target = <&pwm3>;
+
+		__overlay__ {
+			status = "okay";
+		};
+	};
+};
diff --git a/arch/arm64/boot/dts/rockchip/overlays/odroidm2/pwm7.dts b/arch/arm64/boot/dts/rockchip/overlays/odroidm2/pwm7.dts
new file mode 100644
index 000000000000..1fd0e1558369
--- /dev/null
+++ b/arch/arm64/boot/dts/rockchip/overlays/odroidm2/pwm7.dts
@@ -0,0 +1,12 @@
+/dts-v1/;
+/plugin/;
+
+/ {
+	fragment@0 {
+		target = <&pwm7>;
+
+		__overlay__ {
+			status = "okay";
+		};
+	};
+};
diff --git a/arch/arm64/boot/dts/rockchip/overlays/odroidm2/pwm8.dts b/arch/arm64/boot/dts/rockchip/overlays/odroidm2/pwm8.dts
new file mode 100644
index 000000000000..c3aaf32050c7
--- /dev/null
+++ b/arch/arm64/boot/dts/rockchip/overlays/odroidm2/pwm8.dts
@@ -0,0 +1,12 @@
+/dts-v1/;
+/plugin/;
+
+/ {
+	fragment@0 {
+		target = <&pwm8>;
+
+		__overlay__ {
+			status = "okay";
+		};
+	};
+};
diff --git a/arch/arm64/boot/dts/rockchip/overlays/odroidm2/spi0.dts b/arch/arm64/boot/dts/rockchip/overlays/odroidm2/spi0.dts
new file mode 100644
index 000000000000..e512300ffccd
--- /dev/null
+++ b/arch/arm64/boot/dts/rockchip/overlays/odroidm2/spi0.dts
@@ -0,0 +1,22 @@
+/dts-v1/;
+/plugin/;
+
+/ {
+	fragment@0 {
+		target = <&spi0>;
+
+		__overlay__ {
+			status = "okay";
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			spidev: spidev@0 {
+				status = "okay";
+				compatible = "rockchip,spidev";
+				reg = <0>;
+				/* spi default max clock 100Mhz */
+				spi-max-frequency = <100000000>;
+			};
+		};
+	};
+};
diff --git a/arch/arm64/boot/dts/rockchip/overlays/odroidm2/uart0-with-ctsrts.dts b/arch/arm64/boot/dts/rockchip/overlays/odroidm2/uart0-with-ctsrts.dts
new file mode 100644
index 000000000000..fc251adddf8c
--- /dev/null
+++ b/arch/arm64/boot/dts/rockchip/overlays/odroidm2/uart0-with-ctsrts.dts
@@ -0,0 +1,17 @@
+/dts-v1/;
+/plugin/;
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/pinctrl/rockchip.h>
+
+/ {
+	fragment@0 {
+		target = <&uart7>;
+
+		__overlay__ {
+			cts-gpios = <&gpio1 RK_PB7 GPIO_ACTIVE_LOW>;
+			rts-gpios = <&gpio1 RK_PB6 GPIO_ACTIVE_LOW>;
+			status = "okay";
+		};
+	};
+};
diff --git a/arch/arm64/boot/dts/rockchip/overlays/odroidm2/uart0.dts b/arch/arm64/boot/dts/rockchip/overlays/odroidm2/uart0.dts
new file mode 100644
index 000000000000..6a35c3487cc3
--- /dev/null
+++ b/arch/arm64/boot/dts/rockchip/overlays/odroidm2/uart0.dts
@@ -0,0 +1,12 @@
+/dts-v1/;
+/plugin/;
+
+/ {
+	fragment@0 {
+		target = <&uart7>;
+
+		__overlay__ {
+			status = "okay";
+		};
+	};
+};
diff --git a/arch/arm64/boot/dts/rockchip/overlays/odroidm2/uart1.dts b/arch/arm64/boot/dts/rockchip/overlays/odroidm2/uart1.dts
new file mode 100644
index 000000000000..de36d18e07d7
--- /dev/null
+++ b/arch/arm64/boot/dts/rockchip/overlays/odroidm2/uart1.dts
@@ -0,0 +1,12 @@
+/dts-v1/;
+/plugin/;
+
+/ {
+	fragment@0 {
+		target = <&uart9>;
+
+		__overlay__ {
+			status = "okay";
+		};
+	};
+};