linux-kernel - [PATCH 1/2] ARM: dts: stm32: fix missing internally connected voltage regulator for OSD32MP1

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Message-Id: <20220603094422.2112746-1-l.goehrs@pengutronix.de>
Date:   Fri,  3 Jun 2022 11:44:20 +0200
From:   Leonard Göhrs <l.goehrs@...gutronix.de>
To:     Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Alexandre Torgue <alexandre.torgue@...s.st.com>
Cc:     kernel@...gutronix.de,
        Leonard Göhrs <l.goehrs@...gutronix.de>,
        devicetree@...r.kernel.org,
        linux-stm32@...md-mailman.stormreply.com,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH 1/2] ARM: dts: stm32: fix missing internally connected voltage regulator for OSD32MP1

According to the OSD32MP1 Power System overview[1] ldo3's input is always
internally connected to vdd_ddr.

[1]: https://octavosystems.com/app_notes/osd32mp1-power-system-overview/#connections

Signed-off-by: Leonard Göhrs <l.goehrs@...gutronix.de>
---
 arch/arm/boot/dts/stm32mp15xx-osd32.dtsi | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm/boot/dts/stm32mp15xx-osd32.dtsi b/arch/arm/boot/dts/stm32mp15xx-osd32.dtsi
index 6706d8311a66..e997c4953fd1 100644
--- a/arch/arm/boot/dts/stm32mp15xx-osd32.dtsi
+++ b/arch/arm/boot/dts/stm32mp15xx-osd32.dtsi
@@ -78,6 +78,7 @@ regulators {
 			compatible = "st,stpmic1-regulators";
 
 			ldo1-supply = <&v3v3>;
+			ldo3-supply = <&vdd_ddr>;
 			ldo6-supply = <&v3v3>;
 			pwr_sw1-supply = <&bst_out>;
 
-- 
2.30.2