[PATCH 2/8] ARM: dts: mstar: unitv2: Add regulators
From: Daniel Palmer
Date: Mon Jul 13 2026 - 07:04:54 EST
From: Daniel Palmer <daniel@xxxxxxxx>
Add the fixed regulators for the core, IO and DRAM voltage rails and
the GPIO controlled switch that supplies the WiFi chip.
Signed-off-by: Daniel Palmer <daniel@xxxxxxxx>
---
.../mstar-infinity2m-ssd202d-unitv2.dts | 32 +++++++++++++++++++
1 file changed, 32 insertions(+)
diff --git a/arch/arm/boot/dts/sigmastar/mstar-infinity2m-ssd202d-unitv2.dts b/arch/arm/boot/dts/sigmastar/mstar-infinity2m-ssd202d-unitv2.dts
index f02de5b475af..5e79819a070a 100644
--- a/arch/arm/boot/dts/sigmastar/mstar-infinity2m-ssd202d-unitv2.dts
+++ b/arch/arm/boot/dts/sigmastar/mstar-infinity2m-ssd202d-unitv2.dts
@@ -39,6 +39,38 @@ led-1 {
linux,default-trigger = "heartbeat";
};
};
+
+ reg_vcc_core: regulator-vcc-core {
+ compatible = "regulator-fixed";
+ regulator-name = "vcc_core";
+ regulator-min-microvolt = <950000>;
+ regulator-max-microvolt = <950000>;
+ regulator-boot-on;
+ };
+
+ reg_vcc_io: regulator-vcc-io {
+ compatible = "regulator-fixed";
+ regulator-name = "vcc_io";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-boot-on;
+ };
+
+ reg_vcc_dram: regulator-vcc-dram {
+ compatible = "regulator-fixed";
+ regulator-name = "vcc_dram";
+ regulator-min-microvolt = <1500000>;
+ regulator-max-microvolt = <1500000>;
+ regulator-boot-on;
+ };
+
+ reg_vcc_wifi: regulator-vcc-wifi {
+ compatible = "regulator-fixed";
+ regulator-name = "vcc_wifi";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ gpio = <&gpio SSD20XD_GPIO_GPIO14 GPIO_ACTIVE_HIGH>;
+ };
};
&pm_uart {
--
2.53.0