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

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Date:   Tue, 28 Mar 2023 17:21:01 +0200
From:   Valentin CARON <valentin.caron@...s.st.com>
To:     Alexandre TORGUE <alexandre.torgue@...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 Alex,

I think this patch is useless.
I will send you a V2 without.

Thank you,
Valentin

On 3/28/23 14:02, Alexandre TORGUE wrote:
> 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>;
>> +};
>