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arm64: dts: ti: j722s-evm: Add DT nodes for power regulators

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Add device tree nodes for two regulators on the J722S-EVM. VSYS_3V3 is the
output of LM5141-Q1, and it serves as an input to TPS22990 which produces
VSYS_3V3_EXP [1]. VSYS_3V3_EXP serves as vin-supply to CSI RPI Connectors.

Signed-off-by: Yemike Abhilash Chandra <y-abhilashchandra@ti.com>
Reviewed-by: Udit Kumar <u-kumar1@ti.com>

[1]: https://www.ti.com/lit/zip/sprr495

Link: https://lore.kernel.org/r/20250509091911.2442934-2-y-abhilashchandra@ti.com
Signed-off-by: Nishanth Menon <nm@ti.com>
This commit is contained in:
Yemike Abhilash Chandra 2025-05-09 14:49:08 +05:30 committed by Nishanth Menon
parent f71fb19f36
commit 9bb89ec393
1 changed files with 22 additions and 0 deletions
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22
arch/arm64/boot/dts/ti/k3-j722s-evm.dts
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@ -141,6 +141,17 @@ vsys_5v0: regulator-vsys5v0 {
regulator-boot-on;
};
vsys_3v3: regulator-vsys3v3 {
/* output of LM5141-Q1 */
compatible = "regulator-fixed";
regulator-name = "vsys_3v3";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
vin-supply = <&vmain_pd>;
regulator-always-on;
regulator-boot-on;
};
vdd_mmc1: regulator-mmc1 {
/* TPS22918DBVR */
compatible = "regulator-fixed";
@ -153,6 +164,17 @@ vdd_mmc1: regulator-mmc1 {
bootph-all;
};
vsys_3v3_exp: regulator-TPS22990 {
/* output of TPS22990 */
compatible = "regulator-fixed";
regulator-name = "vsys_3v3_exp";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
vin-supply = <&vsys_3v3>;
regulator-always-on;
regulator-boot-on;
};
vdd_sd_dv: regulator-TLV71033 {
compatible = "regulator-gpio";
regulator-name = "tlv71033";