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Subject[PATCH] ARM: dts: stm32: enable display on stm32mp157c-ev1 board
Date
Enable panel raydium RM68200, DSI bridge & display controller.

Signed-off-by: Yannick Fertré <yannick.fertre@st.com>
---
arch/arm/boot/dts/stm32mp157c-ev1.dts | 60 +++++++++++++++++++++++++++++++++++
1 file changed, 60 insertions(+)

diff --git a/arch/arm/boot/dts/stm32mp157c-ev1.dts b/arch/arm/boot/dts/stm32mp157c-ev1.dts
index 372bc2e..cd9062a 100644
--- a/arch/arm/boot/dts/stm32mp157c-ev1.dts
+++ b/arch/arm/boot/dts/stm32mp157c-ev1.dts
@@ -6,6 +6,7 @@
/dts-v1/;

#include "stm32mp157c-ed1.dts"
+#include <dt-bindings/gpio/gpio.h>

/ {
model = "STMicroelectronics STM32MP157C eval daughter on eval mother";
@@ -19,6 +20,12 @@
serial0 = &uart4;
ethernet0 = &ethernet0;
};
+ panel_backlight: panel-backlight {
+ compatible = "gpio-backlight";
+ gpios = <&gpiod 13 GPIO_ACTIVE_LOW>;
+ default-on;
+ status = "okay";
+ };
};

&ethernet0 {
@@ -46,6 +53,45 @@
status = "okay";
};

+&dsi {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ status = "okay";
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ reg = <0>;
+ dsi_in: endpoint {
+ remote-endpoint = <&ltdc_ep0_out>;
+ };
+ };
+
+ port@1 {
+ reg = <1>;
+ dsi_out: endpoint {
+ remote-endpoint = <&dsi_panel_in>;
+ };
+ };
+ };
+
+ panel-dsi@0 {
+ compatible = "raydium,rm68200";
+ reg = <0>;
+ reset-gpios = <&gpiof 15 GPIO_ACTIVE_LOW>;
+ backlight = <&panel_backlight>;
+ status = "okay";
+
+ port {
+ dsi_panel_in: endpoint {
+ remote-endpoint = <&dsi_out>;
+ };
+ };
+ };
+};
+
&i2c2 {
pinctrl-names = "default";
pinctrl-0 = <&i2c2_pins_a>;
@@ -62,6 +108,20 @@
status = "okay";
};

+&ltdc {
+ status = "okay";
+
+ port {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ ltdc_ep0_out: endpoint@0 {
+ reg = <0>;
+ remote-endpoint = <&dsi_in>;
+ };
+ };
+};
+
&m_can1 {
pinctrl-names = "default";
pinctrl-0 = <&m_can1_pins_a>;
--
2.7.4
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