[PATCH] ARM: dts: stm32f769-disco: rework ltdc node

Dario Binacchi dario.binacchi at amarulasolutions.com
Sat Nov 11 11:44:36 CET 2023


With commit f479f5dbb7ac ("ARM: dts: stm32: add ltdc support on
stm32f746 MCU"), which adds the 'ltdc' node in stm32f746.dtsi, we can
simplify stm32f769-disco-uboot.dtsi and align stm32f769-disco.dtsi with
the kernel version.

Signed-off-by: Dario Binacchi <dario.binacchi at amarulasolutions.com>

---

 arch/arm/dts/stm32f769-disco-u-boot.dtsi | 23 +++++++++--------------
 arch/arm/dts/stm32f769-disco.dts         |  4 ++++
 2 files changed, 13 insertions(+), 14 deletions(-)

diff --git a/arch/arm/dts/stm32f769-disco-u-boot.dtsi b/arch/arm/dts/stm32f769-disco-u-boot.dtsi
index 2c823cce98b4..add55c96e21f 100644
--- a/arch/arm/dts/stm32f769-disco-u-boot.dtsi
+++ b/arch/arm/dts/stm32f769-disco-u-boot.dtsi
@@ -70,22 +70,17 @@
 				};
 			};
 		};
+	};
+};
 
-		ltdc: display-controller at 40016800 {
-			compatible = "st,stm32-ltdc";
-			reg = <0x40016800 0x200>;
-			resets = <&rcc STM32F7_APB2_RESET(LTDC)>;
-			clocks = <&rcc 0 STM32F7_APB2_CLOCK(LTDC)>;
-
-			status = "okay";
-			bootph-all;
+&ltdc {
+	clocks = <&rcc 0 STM32F7_APB2_CLOCK(LTDC)>;
+	bootph-all;
 
-			ports {
-				port at 0 {
-					dp_out: endpoint {
-						remote-endpoint = <&dsi_in>;
-					};
-				};
+	ports {
+		port at 0 {
+			dp_out: endpoint {
+				remote-endpoint = <&dsi_in>;
 			};
 		};
 	};
diff --git a/arch/arm/dts/stm32f769-disco.dts b/arch/arm/dts/stm32f769-disco.dts
index 6f93fc7bcfcd..d63cd2ba7eb4 100644
--- a/arch/arm/dts/stm32f769-disco.dts
+++ b/arch/arm/dts/stm32f769-disco.dts
@@ -86,6 +86,10 @@
 	status = "okay";
 };
 
+&ltdc {
+	status = "okay";
+};
+
 &rtc {
 	status = "okay";
 };
-- 
2.42.0



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