diff options
| author | Yemike Abhilash Chandra <y-abhilashchandra@ti.com> | 2025-05-09 14:49:08 +0530 |
|---|---|---|
| committer | Nishanth Menon <nm@ti.com> | 2025-05-09 06:21:57 -0500 |
| commit | 9bb89ec393e368cf26a65c04cfd4a14851368df0 (patch) | |
| tree | e039b113eada2b1fb099f1621c54d685f48f8dce | |
| parent | f71fb19f36044290669dccfc31d1de6ef3d0eed6 (diff) | |
arm64: dts: ti: j722s-evm: Add DT nodes for power regulators
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>
| -rw-r--r-- | arch/arm64/boot/dts/ti/k3-j722s-evm.dts | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/ti/k3-j722s-evm.dts b/arch/arm64/boot/dts/ti/k3-j722s-evm.dts index 34b9d190800e..2213993acbc9 100644 --- a/arch/arm64/boot/dts/ti/k3-j722s-evm.dts +++ b/arch/arm64/boot/dts/ti/k3-j722s-evm.dts @@ -141,6 +141,17 @@ 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 @@ 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"; |