From 17a0dc399eca211b12a7fb4da0e3a16cc87ffc92 Mon Sep 17 00:00:00 2001
From: "steve.jeong" <jkhpro1003@gmail.com>
Date: Fri, 18 Mar 2022 17:11:48 +0900
Subject: [PATCH] ODROID-M1: dtb/dtbo: Add can0 overlay

change can0 clock freq 150MHz to 200MHz
to make the signal more stable.

Signed-off-by: Steve Jeong <how2soft@gmail.com>
Change-Id: Icab5a5fd350537e9e9f80c13b6e92925a598c86f
---
 .../boot/dts/rockchip/overlays/odroidm1/Makefile   |  1 +
 .../boot/dts/rockchip/overlays/odroidm1/can0.dts   | 14 ++++++++++++++
 arch/arm64/boot/dts/rockchip/rk3568-odroid-m1.dts  |  6 ++++++
 3 files changed, 21 insertions(+)
 create mode 100644 arch/arm64/boot/dts/rockchip/overlays/odroidm1/can0.dts

diff --git a/arch/arm64/boot/dts/rockchip/overlays/odroidm1/Makefile b/arch/arm64/boot/dts/rockchip/overlays/odroidm1/Makefile
index a2b9bd996643..b38c1dd6da1b 100644
--- a/arch/arm64/boot/dts/rockchip/overlays/odroidm1/Makefile
+++ b/arch/arm64/boot/dts/rockchip/overlays/odroidm1/Makefile
@@ -1,6 +1,7 @@
 # Overlays for the Odroid platform
 
 dtbo-$(CONFIG_ARCH_ROCKCHIP_ODROIDM1) += \
+	can0.dtbo \
 	dht11.dtbo \
 	i2c0.dtbo \
 	i2c1.dtbo \
diff --git a/arch/arm64/boot/dts/rockchip/overlays/odroidm1/can0.dts b/arch/arm64/boot/dts/rockchip/overlays/odroidm1/can0.dts
new file mode 100644
index 000000000000..b52f17eec569
--- /dev/null
+++ b/arch/arm64/boot/dts/rockchip/overlays/odroidm1/can0.dts
@@ -0,0 +1,14 @@
+/dts-v1/;
+/plugin/;
+
+/ {
+	fragment@0 {
+		//can@fe570000
+		target = <&can0>;
+
+		__overlay__ {
+			status = "okay";
+			assigned-clock-rates = <200000000>;
+		};
+	};
+};
diff --git a/arch/arm64/boot/dts/rockchip/rk3568-odroid-m1.dts b/arch/arm64/boot/dts/rockchip/rk3568-odroid-m1.dts
index b9bc207a9f7d..d43f0a5513c1 100644
--- a/arch/arm64/boot/dts/rockchip/rk3568-odroid-m1.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3568-odroid-m1.dts
@@ -50,6 +50,12 @@
 	};
 };
 
+&can0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&can0m0_pins>;
+	status = "disabled";
+};
+
 &combphy0_us {
 	status = "okay";
 };