linux-kernel - Re: [PATCH 4/4] arm64: dts: st: add RNG node on stm32mp251

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Message-ID: <d4bfc454-5a20-4cee-85f6-118323c46eca@foss.st.com>
Date: Mon, 7 Oct 2024 16:59:53 +0200
From: Gatien CHEVALLIER <gatien.chevallier@...s.st.com>
To: Marek Vasut <marex@...x.de>, Olivia Mackall <olivia@...enic.com>,
        Herbert
 Xu <herbert@...dor.apana.org.au>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof
 Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley
	<conor+dt@...nel.org>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Alexandre
 Torgue <alexandre.torgue@...s.st.com>
CC: Uwe Kleine-König <u.kleine-koenig@...gutronix.de>,
        Lionel
 Debieve <lionel.debieve@...s.st.com>,
        <linux-crypto@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-stm32@...md-mailman.stormreply.com>,
        <linux-arm-kernel@...ts.infradead.org>, <linux-kernel@...r.kernel.org>,
        Yang
 Yingliang <yangyingliang@...wei.com>
Subject: Re: [PATCH 4/4] arm64: dts: st: add RNG node on stm32mp251



On 10/7/24 15:55, Marek Vasut wrote:
> On 10/7/24 3:27 PM, Gatien Chevallier wrote:
>> Update the device-tree stm32mp251.dtsi by adding the Random Number
>> Generator(RNG) node.
>>
>> Signed-off-by: Gatien Chevallier <gatien.chevallier@...s.st.com>
>> ---
>>   arch/arm64/boot/dts/st/stm32mp251.dtsi | 10 ++++++++++
>>   1 file changed, 10 insertions(+)
>>
>> diff --git a/arch/arm64/boot/dts/st/stm32mp251.dtsi 
>> b/arch/arm64/boot/dts/st/stm32mp251.dtsi
>> index 1167cf63d7e8..40b96353a803 100644
>> --- a/arch/arm64/boot/dts/st/stm32mp251.dtsi
>> +++ b/arch/arm64/boot/dts/st/stm32mp251.dtsi
>> @@ -493,6 +493,16 @@ uart8: serial@...80000 {
>>                   status = "disabled";
>>               };
>> +            rng: rng@...20000 {
>> +                compatible = "st,stm32mp25-rng";
>> +                reg = <0x42020000 0x400>;
>> +                clocks = <&clk_rcbsec>, <&rcc CK_BUS_RNG>;
>> +                clock-names = "rng_clk", "rng_hclk";
>> +                resets = <&rcc RNG_R>;
>> +                access-controllers = <&rifsc 92>;
> It would be good if someone finally sorted the access-controllers 
> property in all the MP2 nodes alphabetically ; that's separate 
> patch/series though.

I'll pin your comment to take a look into that in the near future.

Gatien