ARM: dts: stm32: enable display on stm32mp157c-ev1 board

Enable panel raydium RM68200, DSI bridge & display controller.

Signed-off-by: Yannick Fertré <yannick.fertre@st.com>
Signed-off-by: Alexandre Torgue <alexandre.torgue@st.com>

1 files changed, 67 insertions, 6 deletions

diff --git a/arch/arm/boot/dts/stm32mp157c-ev1.dts b/arch/arm/boot/dts/stm32mp157c-ev1.dts
index 372bc2ea6b92..063ee8ac5dcb 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 +20,58 @@
                 serial0 = &uart4;
                 ethernet0 = &ethernet0;
         };
+
+        panel_backlight: panel-backlight {
+                compatible = "gpio-backlight";
+                gpios = <&gpiod 13 GPIO_ACTIVE_LOW>;
+                default-on;
+                status = "okay";
+        };
+};
+
+&cec {
+        pinctrl-names = "default";
+        pinctrl-0 = <&cec_pins_a>;
+        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>;
+                        };
+                };
+        };
 };
 
 &ethernet0 {
@@ -40,12 +93,6 @@
         };
 };
 
-&cec {
-        pinctrl-names = "default";
-        pinctrl-0 = <&cec_pins_a>;
-        status = "okay";
-};
-
 &i2c2 {
         pinctrl-names = "default";
         pinctrl-0 = <&i2c2_pins_a>;
@@ -62,6 +109,20 @@
         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>;