ARM: dts: stm32: add display support on stm32f769-disco

The patch adds display support on the stm32f769-disco board.

Signed-off-by: Dario Binacchi <dario.binacchi@amarulasolutions.com>
Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com>

diff --git a/arch/arm/boot/dts/st/stm32f769-disco.dts b/arch/arm/boot/dts/st/stm32f769-disco.dts
index 660f859..52c5baf 100644 (file)
--- a/arch/arm/boot/dts/st/stm32f769-disco.dts
+++ b/arch/arm/boot/dts/st/stm32f769-disco.dts
@@ -41,7 +41,7 @@
  */
 
 /dts-v1/;
-#include "stm32f746.dtsi"
+#include "stm32f769.dtsi"
 #include "stm32f769-pinctrl.dtsi"
 #include <dt-bindings/input/input.h>
 #include <dt-bindings/gpio/gpio.h>
@@ -60,6 +60,19 @@
                reg = <0xC0000000 0x1000000>;
        };
 
+       reserved-memory {
+               #address-cells = <1>;
+               #size-cells = <1>;
+               ranges;
+
+               linux,dma {
+                       compatible = "shared-dma-pool";
+                       linux,dma-default;
+                       no-map;
+                       size = <0x100000>;
+               };
+       };
+
        aliases {
                serial0 = &usart1;
        };
@@ -114,6 +127,45 @@
        clock-frequency = <25000000>;
 };
 
+&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_out_dsi>;
+                       };
+               };
+
+               port@1 {
+                       reg = <1>;
+                       dsi_out: endpoint {
+                               remote-endpoint = <&dsi_panel_in>;
+                       };
+               };
+       };
+
+       panel0: panel@0 {
+               compatible = "orisetech,otm8009a";
+               reg = <0>; /* dsi virtual channel (0..3) */
+               reset-gpios = <&gpioj 15 GPIO_ACTIVE_LOW>;
+               power-supply = <&vcc_3v3>;
+               status = "okay";
+
+               port {
+                       dsi_panel_in: endpoint {
+                               remote-endpoint = <&dsi_out>;
+                       };
+               };
+       };
+};
+
 &i2c1 {
        pinctrl-0 = <&i2c1_pins_b>;
        pinctrl-names = "default";
@@ -122,6 +174,16 @@
        status = "okay";
 };
 
+&ltdc {
+       status = "okay";
+
+       port {
+               ltdc_out_dsi: endpoint {
+                       remote-endpoint = <&dsi_in>;
+               };
+       };
+};
+
 &rtc {
        status = "okay";
 };