linux-kernel - Re: [PATCH 6.6 v2 1/4] riscv: dts: starfive: add assigned-clock* to limit frquency

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Message-ID: <e2d7ed77-827b-4b7c-800c-9c8f3bcb6b5a@wanadoo.fr>
Date: Fri, 13 Sep 2024 16:56:42 +0200
From: Christophe JAILLET <christophe.jaillet@...adoo.fr>
To: WangYuli <wangyuli@...ontech.com>, stable@...r.kernel.org,
 gregkh@...uxfoundation.org, sashal@...nel.org, william.qiu@...rfivetech.com,
 emil.renner.berthing@...onical.com, conor.dooley@...rochip.com,
 xingyu.wu@...rfivetech.com, walker.chen@...rfivetech.com, robh@...nel.org,
 hal.feng@...rfivetech.com
Cc: kernel@...il.dk, robh+dt@...nel.org, krzysztof.kozlowski+dt@...aro.org,
 conor+dt@...nel.org, paul.walmsley@...ive.com, palmer@...belt.com,
 aou@...s.berkeley.edu, devicetree@...r.kernel.org,
 linux-riscv@...ts.infradead.org, linux-kernel@...r.kernel.org,
 richardcochran@...il.com, netdev@...r.kernel.org
Subject: Re: [PATCH 6.6 v2 1/4] riscv: dts: starfive: add assigned-clock* to
 limit frquency

Le 12/09/2024 à 04:55, WangYuli a écrit :
> 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>
> ---

Hi,

if/when resent, there is a typo in the subject: s/frquency/frequency/

CJ


>   .../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;