linux-kernel - Re: [PATCH 6.6 v3] riscv: dts: starfive: add assigned-clock* to limit frquency

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Message-ID: <2024091616-shut-roundish-6a17@gregkh>
Date: Mon, 16 Sep 2024 09:01:22 +0200
From: Greg KH <gregkh@...uxfoundation.org>
To: WangYuli <wangyuli@...ontech.com>
Cc: stable@...r.kernel.org, sashal@...nel.org, william.qiu@...rfivetech.com,
	emil.renner.berthing@...onical.com, conor.dooley@...rochip.com,
	kernel@...il.dk, conor@...nel.org, robh+dt@...nel.org,
	krzysztof.kozlowski+dt@...aro.org, paul.walmsley@...ive.com,
	palmer@...belt.com, aou@...s.berkeley.edu,
	linux-riscv@...ts.infradead.org, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 6.6 v3] riscv: dts: starfive: add assigned-clock* to
 limit frquency

On Mon, Sep 16, 2024 at 11:46:02AM +0800, WangYuli wrote:
> From: William Qiu <william.qiu@...rfivetech.com>
> 
> [ Upstream commit af571133f7ae028ec9b5fdab78f483af13bf28d3 ]
> 
> 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@...rfivetech.com>
> Reviewed-by: Emil Renner Berthing <emil.renner.berthing@...onical.com>
> Signed-off-by: Conor Dooley <conor.dooley@...rochip.com>
> Signed-off-by: WangYuli <wangyuli@...ontech.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 062b97c6e7df..4874e3bb42ab 100644
> --- a/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-2.dtsi
> +++ b/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-2.dtsi
> @@ -204,6 +204,8 @@ &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;
> @@ -220,6 +222,8 @@ &mmc0 {
>  
>  &mmc1 {
>  	max-frequency = <100000000>;
> +	assigned-clocks = <&syscrg JH7110_SYSCLK_SDIO1_SDCARD>;
> +	assigned-clock-rates = <50000000>;
>  	bus-width = <4>;
>  	no-sdio;
>  	no-mmc;
> -- 
> 2.43.0
> 
> 

Now queued up, thanks.

greg k-h