linux-kernel - Re: [PATCH 1/7] ARM: dts: stm32: change USART1 clock to an SCMI clock on stm32mp15 boards

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Message-ID: <5c67d003-c893-8540-a971-6954a57399e5@foss.st.com>
Date:   Tue, 28 Mar 2023 14:02:40 +0200
From:   Alexandre TORGUE <alexandre.torgue@...s.st.com>
To:     Valentin Caron <valentin.caron@...s.st.com>
CC:     Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        <devicetree@...r.kernel.org>,
        <linux-stm32@...md-mailman.stormreply.com>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/7] ARM: dts: stm32: change USART1 clock to an SCMI clock
 on stm32mp15 boards

Hi Valentin

On 3/27/23 17:29, Valentin Caron wrote:
> On ST stm32mp15 boards, change clock of USART1 node to SCMI clock
> "CK_SCMI_USART1"

I'll change commit title and message as your patch doesn't target 
STM43MP15 boards but STM32MP15 SCMI boards.

Cheers
Alex



> Signed-off-by: Valentin Caron <valentin.caron@...s.st.com>
> ---
>   arch/arm/boot/dts/stm32mp157a-dk1-scmi.dts | 4 ++++
>   arch/arm/boot/dts/stm32mp157c-dk2-scmi.dts | 4 ++++
>   arch/arm/boot/dts/stm32mp157c-ed1-scmi.dts | 4 ++++
>   arch/arm/boot/dts/stm32mp157c-ev1-scmi.dts | 4 ++++
>   4 files changed, 16 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/stm32mp157a-dk1-scmi.dts b/arch/arm/boot/dts/stm32mp157a-dk1-scmi.dts
> index e539cc80bef8..5c8164c10e46 100644
> --- a/arch/arm/boot/dts/stm32mp157a-dk1-scmi.dts
> +++ b/arch/arm/boot/dts/stm32mp157a-dk1-scmi.dts
> @@ -77,3 +77,7 @@ &rng1 {
>   &rtc {
>   	clocks = <&scmi_clk CK_SCMI_RTCAPB>, <&scmi_clk CK_SCMI_RTC>;
>   };
> +
> +&usart1 {
> +	clocks = <&scmi_clk CK_SCMI_USART1>;
> +};
> diff --git a/arch/arm/boot/dts/stm32mp157c-dk2-scmi.dts b/arch/arm/boot/dts/stm32mp157c-dk2-scmi.dts
> index 97e4f94b0a24..2c9a207a9d49 100644
> --- a/arch/arm/boot/dts/stm32mp157c-dk2-scmi.dts
> +++ b/arch/arm/boot/dts/stm32mp157c-dk2-scmi.dts
> @@ -83,3 +83,7 @@ &rng1 {
>   &rtc {
>   	clocks = <&scmi_clk CK_SCMI_RTCAPB>, <&scmi_clk CK_SCMI_RTC>;
>   };
> +
> +&usart1 {
> +	clocks = <&scmi_clk CK_SCMI_USART1>;
> +};
> diff --git a/arch/arm/boot/dts/stm32mp157c-ed1-scmi.dts b/arch/arm/boot/dts/stm32mp157c-ed1-scmi.dts
> index 9cf0a44d2f47..21c8169f0e82 100644
> --- a/arch/arm/boot/dts/stm32mp157c-ed1-scmi.dts
> +++ b/arch/arm/boot/dts/stm32mp157c-ed1-scmi.dts
> @@ -82,3 +82,7 @@ &rng1 {
>   &rtc {
>   	clocks = <&scmi_clk CK_SCMI_RTCAPB>, <&scmi_clk CK_SCMI_RTC>;
>   };
> +
> +&usart1 {
> +	clocks = <&scmi_clk CK_SCMI_USART1>;
> +};
> diff --git a/arch/arm/boot/dts/stm32mp157c-ev1-scmi.dts b/arch/arm/boot/dts/stm32mp157c-ev1-scmi.dts
> index 3b9dd6f4ccc9..0084abbeb60e 100644
> --- a/arch/arm/boot/dts/stm32mp157c-ev1-scmi.dts
> +++ b/arch/arm/boot/dts/stm32mp157c-ev1-scmi.dts
> @@ -88,3 +88,7 @@ &rng1 {
>   &rtc {
>   	clocks = <&scmi_clk CK_SCMI_RTCAPB>, <&scmi_clk CK_SCMI_RTC>;
>   };
> +
> +&usart1 {
> +	clocks = <&scmi_clk CK_SCMI_USART1>;
> +};