[PATCH 07/10] ARM: dts: stm32: add ltdc support on stm32f746 MCU
Patrice CHOTARD
patrice.chotard at foss.st.com
Tue Sep 26 10:54:31 CEST 2023
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 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>;
Reviewed-by: Patrice Chotard <patrice.chotard at foss.st.com>
Thanks
Patrice
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