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

Marek Vasut marex at denx.de
Mon Mar 18 21:05:06 PDT 2024


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




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