Re: [PATCH 07/10] ARM: dts: stm32: add ltdc support on stm32f746 MCU

On 9/3/23 22:48, Dario Binacchi wrote:

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@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@40016800 {
  

• 	compatible = "st,stm32-ltdc";
  

• 	reg = <0x40016800 0x200>;
  

• 	resets = <&rcc STM32F7_APB2_RESET(LTDC)>;
  

• 	clocks = <&rcc 0 STM32F7_APB2_CLOCK(LTDC)>;
  

• 	pinctrl-0 = <&ltdc_pins>;
  

• 	status = "okay";
  

• 	bootph-all;
  

• };
  

• };

+&ltdc {

• clocks = <&rcc 0 STM32F7_APB2_CLOCK(LTDC)>;
• pinctrl-0 = <&ltdc_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@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@40007000 { compatible = "st,stm32-power-config", "syscon"; reg = <0x40007000 0x400>;

Apply on stm32/next

Thanks Patrice