[PATCH 2/2] arm64: dts: imx8mp-tqma8mpql: remove virtual 3.3V regulator
From: Alexander Stein
Date: Thu Jul 31 2025 - 05:17:33 EST
From: Markus Niebel <Markus.Niebel@xxxxxxxxxxxxxxx>
BUCK4 rail supplies the 3.3V rail. Use the actual regulator
instead of a virtual fixed regulator.
Signed-off-by: Markus Niebel <Markus.Niebel@xxxxxxxxxxxxxxx>
Signed-off-by: Alexander Stein <alexander.stein@xxxxxxxxxxxxxxx>
---
.../boot/dts/freescale/imx8mp-tqma8mpql.dtsi | 15 +++------------
1 file changed, 3 insertions(+), 12 deletions(-)
diff --git a/arch/arm64/boot/dts/freescale/imx8mp-tqma8mpql.dtsi b/arch/arm64/boot/dts/freescale/imx8mp-tqma8mpql.dtsi
index b48d5da147273..9716f24f7c6ed 100644
--- a/arch/arm64/boot/dts/freescale/imx8mp-tqma8mpql.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mp-tqma8mpql.dtsi
@@ -16,15 +16,6 @@ memory@40000000 {
reg = <0x0 0x40000000 0 0x80000000>;
};
- /* identical to buck4_reg, but should never change */
- reg_vcc3v3: regulator-vcc3v3 {
- compatible = "regulator-fixed";
- regulator-name = "VCC3V3";
- regulator-min-microvolt = <3300000>;
- regulator-max-microvolt = <3300000>;
- regulator-always-on;
- };
-
reg_usdhc2_vqmmc: regulator-usdhc2-vqmmc {
compatible = "regulator-gpio";
pinctrl-names = "default";
@@ -187,14 +178,14 @@ at24c02: eeprom@53 {
read-only;
reg = <0x53>;
pagesize = <16>;
- vcc-supply = <®_vcc3v3>;
+ vcc-supply = <&buck4_reg>;
};
m24c64: eeprom@57 {
compatible = "atmel,24c64";
reg = <0x57>;
pagesize = <32>;
- vcc-supply = <®_vcc3v3>;
+ vcc-supply = <&buck4_reg>;
};
};
@@ -211,7 +202,7 @@ &usdhc3 {
non-removable;
no-sd;
no-sdio;
- vmmc-supply = <®_vcc3v3>;
+ vmmc-supply = <&buck4_reg>;
vqmmc-supply = <&buck5_reg>;
status = "okay";
};
--
2.43.0