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

[ Upstream commit 67330599f93672bd351123c729e2591a460fd24c ]

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>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/arch/arm/boot/dts/stm32mp157c-ev1.dts b/arch/arm/boot/dts/stm32mp157c-ev1.dts
index 372bc2e..063ee8a 100644 (file)
--- 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>;