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@xxxxxx> Reviewed-by: Devarsh Thakkar <devarsht@xxxxxx> --- 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