linux-kernel - [PATCH v6 5/6] arm64: dts: ti: k3-am62a7-sk: Split vcc

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Date:   Wed, 15 Mar 2023 14:33:34 +0530
From:   Jai Luthra <j-luthra@...com>
To:     Nishanth Menon <nm@...com>, Vignesh Raghavendra <vigneshr@...com>,
        Tero Kristo <kristo@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will@...nel.org>, Mark Brown <broonie@...nel.org>
CC:     <linux-arm-kernel@...ts.infradead.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        Andrew Davis <afd@...com>,
        Jayesh Choudhary <j-choudhary@...com>,
        Devarsh Thakkar <devarsht@...com>,
        Aradhya Bhatia <a-bhatia1@...com>, Jai Luthra <j-luthra@...com>
Subject: [PATCH v6 5/6] arm64: dts: ti: k3-am62a7-sk: Split vcc_3v3 regulators

VCC_3V3_MAIN is the output of LM5141-Q1, and it serves as an input to
TPS22965DSGT which produces VCC_3V3_SYS.

Signed-off-by: Jai Luthra <j-luthra@...com>
---
 arch/arm64/boot/dts/ti/k3-am62a7-sk.dts | 15 +++++++++++++--
 1 file changed, 13 insertions(+), 2 deletions(-)

diff --git a/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts b/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts
index 5c9012141ee2..063e69e45163 100644
--- a/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts
+++ b/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts
@@ -76,10 +76,10 @@ vcc_5v0: regulator-1 {
 		regulator-boot-on;
 	};
 
-	vcc_3v3_sys: regulator-2 {
+	vcc_3v3_main: regulator-2 {
 		/* output of LM5141-Q1 */
 		compatible = "regulator-fixed";
-		regulator-name = "vcc_3v3_sys";
+		regulator-name = "vcc_3v3_main";
 		regulator-min-microvolt = <3300000>;
 		regulator-max-microvolt = <3300000>;
 		vin-supply = <&vmain_pd>;
@@ -98,6 +98,17 @@ vdd_mmc1: regulator-3 {
 		gpio = <&exp1 3 GPIO_ACTIVE_HIGH>;
 	};
 
+	vcc_3v3_sys: regulator-4 {
+		/* output of TPS222965DSGT */
+		compatible = "regulator-fixed";
+		regulator-name = "vcc_3v3_sys";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		vin-supply = <&vcc_3v3_main>;
+		regulator-always-on;
+		regulator-boot-on;
+	};
+
 	leds {
 		compatible = "gpio-leds";
 		pinctrl-names = "default";

-- 
2.39.2