[PATCH v3 01/15] arm64: dts: imx8mm-phycore-som: Keep LDO3 on in suspend
From: Andrej Picej <hidden>
Date: 2025-02-18 07:42:42
Also in:
imx, linux-devicetree, lkml
Subsystem:
arm/freescale imx / mxc arm architecture, the rest · Maintainers:
Frank Li, Sascha Hauer, Linus Torvalds
From: Teresa Remmet <redacted> LDO3 is also used as switch for enabling VDD_3V3_S and need to be kept on during suspend. Disabling this can lead to an unwanted reset during resume. Set LDO3 to 2,5V as the voltage should be fix. Signed-off-by: Teresa Remmet <redacted> Signed-off-by: Andrej Picej <redacted> --- Changes in v3: - no change --- arch/arm64/boot/dts/freescale/imx8mm-phycore-som.dtsi | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/arch/arm64/boot/dts/freescale/imx8mm-phycore-som.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-phycore-som.dtsi
index 6069678244f3..7761acc5c510 100644
--- a/arch/arm64/boot/dts/freescale/imx8mm-phycore-som.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mm-phycore-som.dtsi@@ -161,11 +161,13 @@ reg_vcc_enet: ldo3 { regulator-always-on; regulator-boot-on; regulator-max-microvolt = <2500000>; - regulator-min-microvolt = <1500000>; + regulator-min-microvolt = <2500000>; regulator-name = "VCC_ENET_2V5 (LDO3)"; regulator-state-mem { - regulator-off-in-suspend; + regulator-on-in-suspend; + regulator-suspend-max-microvolt = <2500000>; + regulator-suspend-min-microvolt = <2500000>; }; };
--
2.34.1