[PATCH v3 3/3] riscv: dts: starfive: add assigned-clock* to limit frquency

Emil Renner Berthing emil.renner.berthing at canonical.com
Fri Sep 22 09:36:07 PDT 2023


William Qiu wrote:
> In JH7110 SoC, we need to go by-pass mode, so we need add the
> assigned-clock* properties to limit clock frquency.
>
> Signed-off-by: William Qiu <william.qiu at starfivetech.com>

Thanks!

Reviewed-by: Emil Renner Berthing <emil.renner.berthing at canonical.com>

> ---
>  .../riscv/boot/dts/starfive/jh7110-starfive-visionfive-2.dtsi | 4 ++++
>  1 file changed, 4 insertions(+)
>
> diff --git a/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-2.dtsi b/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-2.dtsi
> index d79f94432b27..d1f2ec308bca 100644
> --- a/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-2.dtsi
> +++ b/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-2.dtsi
> @@ -205,6 +205,8 @@ &i2c6 {
>
>  &mmc0 {
>  	max-frequency = <100000000>;
> +	assigned-clocks = <&syscrg JH7110_SYSCLK_SDIO0_SDCARD>;
> +	assigned-clock-rates = <50000000>;
>  	bus-width = <8>;
>  	cap-mmc-highspeed;
>  	mmc-ddr-1_8v;
> @@ -221,6 +223,8 @@ &mmc0 {
>
>  &mmc1 {
>  	max-frequency = <100000000>;
> +	assigned-clocks = <&syscrg JH7110_SYSCLK_SDIO1_SDCARD>;
> +	assigned-clock-rates = <50000000>;
>  	bus-width = <4>;
>  	no-sdio;
>  	no-mmc;
> --
> 2.34.1
>



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