[PATCH v4 3/7] ARM: dts: stm32: add new instances for stm32h743 MCU

Patrice CHOTARD patrice.chotard at foss.st.com
Thu Apr 8 15:41:56 CEST 2021


Hi Dillon

On 4/2/21 10:42 AM, dillon.minfei at gmail.com wrote:
> From: dillon min <dillon.minfei at gmail.com>
> 
> Some instances are missing in current support of stm32h743 MCU. This commit
> adds usart3/uart4 and sdmmc2 support.
> 
> Signed-off-by: dillon min <dillon.minfei at gmail.com>
> ---
> v4: sync with kernel side commit
> link:
> https://git.kernel.org/pub/scm/linux/kernel/git/atorgue/stm32.git/commit/?h=stm32-dt-for-v5.13&id=4e1593391fa38c0a8ec0f314f37ec5543475bf9d
> 
>  arch/arm/dts/stm32h743.dtsi | 30 ++++++++++++++++++++++++++++++
>  1 file changed, 30 insertions(+)
> 
> diff --git a/arch/arm/dts/stm32h743.dtsi b/arch/arm/dts/stm32h743.dtsi
> index 8c96698..77a8aef 100644
> --- a/arch/arm/dts/stm32h743.dtsi
> +++ b/arch/arm/dts/stm32h743.dtsi
> @@ -99,6 +99,22 @@
>  			clocks = <&rcc USART2_CK>;
>  		};
>  
> +		usart3: serial at 40004800 {
> +			compatible = "st,stm32h7-uart";
> +			reg = <0x40004800 0x400>;
> +			interrupts = <39>;
> +			status = "disabled";
> +			clocks = <&rcc USART3_CK>;
> +		};
> +
> +		uart4: serial at 40004c00 {
> +			compatible = "st,stm32h7-uart";
> +			reg = <0x40004c00 0x400>;
> +			interrupts = <52>;
> +			status = "disabled";
> +			clocks = <&rcc UART4_CK>;
> +		};
> +
>  		i2c1: i2c at 40005400 {
>  			compatible = "st,stm32f7-i2c";
>  			#address-cells = <1>;
> @@ -332,6 +348,20 @@
>  			max-frequency = <120000000>;
>  		};
>  
> +		sdmmc2: sdmmc at 48022400 {
> +			compatible = "arm,pl18x", "arm,primecell";
> +			arm,primecell-periphid = <0x10153180>;
> +			reg = <0x48022400 0x400>;
> +			interrupts = <124>;
> +			interrupt-names	= "cmd_irq";
> +			clocks = <&rcc SDMMC2_CK>;
> +			clock-names = "apb_pclk";
> +			resets = <&rcc STM32H7_AHB2_RESET(SDMMC2)>;
> +			cap-sd-highspeed;
> +			cap-mmc-highspeed;
> +			max-frequency = <120000000>;
> +		};
> +
>  		exti: interrupt-controller at 58000000 {
>  			compatible = "st,stm32h7-exti";
>  			interrupt-controller;
> 

Reviewed-by: Patrice Chotard <patrice.chotard at foss.st.com>

Thanks
Patrice


More information about the U-Boot mailing list