[PATCH 07/10] ARM: dts: stm32: add ltdc support on stm32f746 MCU
Dario Binacchi
dario.binacchi at amarulasolutions.com
Sun Sep 3 22:48:46 CEST 2023
The patch applies the changes from Linux commit 008ef8b3a1a00 ("Add LTDC
(Lcd-tft Display Controller) support") and removes the same settings
from stm32f746-disco-u-boot.dtsi.
Signed-off-by: Dario Binacchi <dario.binacchi at amarulasolutions.com>
---
arch/arm/dts/stm32f746-disco-u-boot.dtsi | 18 ++++++------------
arch/arm/dts/stm32f746.dtsi | 10 ++++++++++
2 files changed, 16 insertions(+), 12 deletions(-)
diff --git a/arch/arm/dts/stm32f746-disco-u-boot.dtsi b/arch/arm/dts/stm32f746-disco-u-boot.dtsi
index 522cffb1ac9f..3c2b9fc59512 100644
--- a/arch/arm/dts/stm32f746-disco-u-boot.dtsi
+++ b/arch/arm/dts/stm32f746-disco-u-boot.dtsi
@@ -63,19 +63,13 @@
};
};
};
+};
- soc {
- 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)>;
- pinctrl-0 = <<dc_pins>;
-
- status = "okay";
- bootph-all;
- };
- };
+<dc {
+ clocks = <&rcc 0 STM32F7_APB2_CLOCK(LTDC)>;
+ pinctrl-0 = <<dc_pins>;
+ status = "okay";
+ bootph-all;
};
&fmc {
diff --git a/arch/arm/dts/stm32f746.dtsi b/arch/arm/dts/stm32f746.dtsi
index 7b4bd805c998..79dad3192e15 100644
--- a/arch/arm/dts/stm32f746.dtsi
+++ b/arch/arm/dts/stm32f746.dtsi
@@ -518,6 +518,16 @@
};
};
+ ltdc: display-controller at 40016800 {
+ compatible = "st,stm32-ltdc";
+ reg = <0x40016800 0x200>;
+ interrupts = <88>, <89>;
+ resets = <&rcc STM32F7_APB2_RESET(LTDC)>;
+ clocks = <&rcc 1 CLK_LCD>;
+ clock-names = "lcd";
+ status = "disabled";
+ };
+
pwrcfg: power-config at 40007000 {
compatible = "st,stm32-power-config", "syscon";
reg = <0x40007000 0x400>;
--
2.34.1
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