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Subject[PATCH v3 2/6] 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. [1]

Link: https://www.ti.com/lit/zip/sprr459 [1]
Signed-off-by: Jai Luthra <j-luthra@ti.com>
Reviewed-by: Devarsh Thakkar <devarsht@ti.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 cff283c75f8e..c689d3da2def 100644
--- a/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts
+++ b/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts
@@ -79,10 +79,10 @@ 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>;
@@ -101,6 +101,17 @@ 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";
--
2.42.0

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