linux-kernel - Re: [PATCH] ARM: dts: stm32: add PWR regulators support on stm32mp131

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Message-ID: <b89d0531-067f-4356-91b0-ed7434cee3d7@foss.st.com>
Date: Wed, 24 Apr 2024 15:42:50 +0200
From: Alexandre TORGUE <alexandre.torgue@...s.st.com>
To: Marek Vasut <marex@...x.de>, <linux-arm-kernel@...ts.infradead.org>
CC: Conor Dooley <conor+dt@...nel.org>,
        Krzysztof Kozlowski
	<krzysztof.kozlowski+dt@...aro.org>,
        Maxime Coquelin
	<mcoquelin.stm32@...il.com>,
        Rob Herring <robh@...nel.org>, <devicetree@...r.kernel.org>,
        <kernel@...electronics.com>, <linux-kernel@...r.kernel.org>,
        <linux-stm32@...md-mailman.stormreply.com>
Subject: Re: [PATCH] ARM: dts: stm32: add PWR regulators support on stm32mp131

Hi Marek

On 3/19/24 05:05, Marek Vasut wrote:
> This patch adds STM32 PWR regulators DT support on stm32mp131.
> This requires TFA to clear RCC_SECCFGR, is disabled by default
> and can only be enabled on board DT level.
> 
> Signed-off-by: Marek Vasut <marex@...x.de>
> ---
> Cc: Alexandre Torgue <alexandre.torgue@...s.st.com>
> Cc: Conor Dooley <conor+dt@...nel.org>
> Cc: Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>
> Cc: Maxime Coquelin <mcoquelin.stm32@...il.com>
> Cc: Rob Herring <robh@...nel.org>
> Cc: devicetree@...r.kernel.org
> Cc: kernel@...electronics.com
> Cc: linux-arm-kernel@...ts.infradead.org
> Cc: linux-kernel@...r.kernel.org
> Cc: linux-stm32@...md-mailman.stormreply.com
> ---
>   arch/arm/boot/dts/st/stm32mp131.dtsi | 24 ++++++++++++++++++++++++
>   1 file changed, 24 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/st/stm32mp131.dtsi b/arch/arm/boot/dts/st/stm32mp131.dtsi
> index 3900f32da797b..58b8ae759998d 100644
> --- a/arch/arm/boot/dts/st/stm32mp131.dtsi
> +++ b/arch/arm/boot/dts/st/stm32mp131.dtsi
> @@ -1092,6 +1092,30 @@ rcc: rcc@...00000 {
>   				 <&scmi_clk CK_SCMI_LSI>;
>   		};
>   
> +		pwr_regulators: pwr@...01000 {
> +			compatible = "st,stm32mp1,pwr-reg";
> +			reg = <0x50001000 0x10>;
> +			status = "disabled";
> +
> +			reg11: reg11 {
> +				regulator-name = "reg11";
> +				regulator-min-microvolt = <1100000>;
> +				regulator-max-microvolt = <1100000>;
> +			};
> +
> +			reg18: reg18 {
> +				regulator-name = "reg18";
> +				regulator-min-microvolt = <1800000>;
> +				regulator-max-microvolt = <1800000>;
> +			};
> +
> +			usb33: usb33 {
> +				regulator-name = "usb33";
> +				regulator-min-microvolt = <3300000>;
> +				regulator-max-microvolt = <3300000>;
> +			};
> +		};
> +
>   		exti: interrupt-controller@...0d000 {
>   			compatible = "st,stm32mp13-exti", "syscon";
>   			interrupt-controller;

Applied on stm32-next.

Cheers
Alex