ARM: dts: stm32: Keep VDDA LDO1 always on on DHCOM

[ Upstream commit f4c7fa39415da6db1fa0bc26162ac23a0fbae8bb ]

The VDDA LDO1 PMIC output supplies the analog VDDA input of the
STM32MP1 on DHCOM, keep it always on, otherwise there could be
leakage through the SoC.

Fixes: 34e0c7847dcf ("ARM: dts: stm32: Add DH Electronics DHCOM STM32MP1 SoM and PDK2 board")
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Alexandre Torgue <alexandre.torgue@st.com>
Cc: Maxime Coquelin <mcoquelin.stm32@gmail.com>
Cc: Patrice Chotard <patrice.chotard@st.com>
Cc: Patrick Delaunay <patrick.delaunay@st.com>
Cc: linux-stm32@st-md-mailman.stormreply.com
To: linux-arm-kernel@lists.infradead.org
Signed-off-by: Alexandre Torgue <alexandre.torgue@st.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/arch/arm/boot/dts/stm32mp15xx-dhcom-som.dtsi b/arch/arm/boot/dts/stm32mp15xx-dhcom-som.dtsi
index 6c3920cd5419b69d1d71e9e7ae2af5031b532ef8..e4804afc90e2f2d9e00225927d5b6e9392e7b1af 100644 (file)
--- a/arch/arm/boot/dts/stm32mp15xx-dhcom-som.dtsi
+++ b/arch/arm/boot/dts/stm32mp15xx-dhcom-som.dtsi
@@ -203,6 +203,7 @@
 
                        vdda: ldo1 {
                                regulator-name = "vdda";
+                               regulator-always-on;
                                regulator-min-microvolt = <2900000>;
                                regulator-max-microvolt = <2900000>;
                                interrupts = <IT_CURLIM_LDO1 0>;