[PATCH] ARM: dts: stm32: add PWR regulators support on stm32mp131

[PATCH] ARM: dts: stm32: add PWR regulators support on stm32mp131

[Marek Vasut]

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@denx.de>
---
Cc: Alexandre Torgue <alexandre.torgue@foss.st.com>
Cc: Conor Dooley <conor+dt@kernel.org>
Cc: Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>
Cc: Maxime Coquelin <mcoquelin.stm32@gmail.com>
Cc: Rob Herring <robh@kernel.org>
Cc: devicetree@vger.kernel.org
Cc: kernel@dh-electronics.com
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-kernel@vger.kernel.org
Cc: linux-stm32@st-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@50000000 {
 				 <&scmi_clk CK_SCMI_LSI>;
 		};
 
+		pwr_regulators: pwr@50001000 {
+			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@5000d000 {
 			compatible = "st,stm32mp13-exti", "syscon";
 			interrupt-controller;
-- 
2.43.0

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

[Alexandre TORGUE]

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@denx.de>
> ---
> Cc: Alexandre Torgue <alexandre.torgue@foss.st.com>
> Cc: Conor Dooley <conor+dt@kernel.org>
> Cc: Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>
> Cc: Maxime Coquelin <mcoquelin.stm32@gmail.com>
> Cc: Rob Herring <robh@kernel.org>
> Cc: devicetree@vger.kernel.org
> Cc: kernel@dh-electronics.com
> Cc: linux-arm-kernel@lists.infradead.org
> Cc: linux-kernel@vger.kernel.org
> Cc: linux-stm32@st-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@50000000 {
>   				 <&scmi_clk CK_SCMI_LSI>;
>   		};
>   
> +		pwr_regulators: pwr@50001000 {
> +			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@5000d000 {
>   			compatible = "st,stm32mp13-exti", "syscon";
>   			interrupt-controller;

Applied on stm32-next.

Cheers
Alex