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arm64: dts: ti: k3-j721e-sk: Add DT nodes for power regulators

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Add device tree nodes for two power regulators on the J721E SK board.
vsys_5v0: A fixed regulator representing the 5V supply output from the
LM61460 and vdd_sd_dv: A GPIO-controlled TLV71033 regulator.

J721E-SK schematics: https://www.ti.com/lit/zip/sprr438

Fixes: 1bfda92a3a ("arm64: dts: ti: Add support for J721E SK")
Cc: stable@vger.kernel.org
Signed-off-by: Yemike Abhilash Chandra <y-abhilashchandra@ti.com>
Reviewed-by: Udit Kumar <u-kumar1@ti.com>
Link: https://lore.kernel.org/r/20250415111328.3847502-2-y-abhilashchandra@ti.com
Signed-off-by: Nishanth Menon <nm@ti.com>
This commit is contained in:
Yemike Abhilash Chandra 2025-04-15 16:43:22 +05:30 committed by Nishanth Menon
parent 2a36e86568
commit 97b67cc102
1 changed files with 31 additions and 0 deletions
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31
arch/arm64/boot/dts/ti/k3-j721e-sk.dts
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@ -184,6 +184,17 @@ vsys_3v3: fixedregulator-vsys3v3 {
regulator-boot-on; regulator-boot-on;
}; };
vsys_5v0: fixedregulator-vsys5v0 {
/* Output of LM61460 */
compatible = "regulator-fixed";
regulator-name = "vsys_5v0";
regulator-min-microvolt = <5000000>;
regulator-max-microvolt = <5000000>;
vin-supply = <&vusb_main>;
regulator-always-on;
regulator-boot-on;
};
vdd_mmc1: fixedregulator-sd { vdd_mmc1: fixedregulator-sd {
compatible = "regulator-fixed"; compatible = "regulator-fixed";
pinctrl-names = "default"; pinctrl-names = "default";
@ -211,6 +222,20 @@ vdd_sd_dv_alt: gpio-regulator-tps659411 {
<3300000 0x1>; <3300000 0x1>;
}; };
vdd_sd_dv: gpio-regulator-TLV71033 {
compatible = "regulator-gpio";
pinctrl-names = "default";
pinctrl-0 = <&vdd_sd_dv_pins_default>;
regulator-name = "tlv71033";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <3300000>;
regulator-boot-on;
vin-supply = <&vsys_5v0>;
gpios = <&main_gpio0 118 GPIO_ACTIVE_HIGH>;
states = <1800000 0x0>,
<3300000 0x1>;
};
transceiver1: can-phy1 { transceiver1: can-phy1 {
compatible = "ti,tcan1042"; compatible = "ti,tcan1042";
#phy-cells = <0>; #phy-cells = <0>;
@ -613,6 +638,12 @@ J721E_WKUP_IOPAD(0xd4, PIN_OUTPUT, 7) /* (G26) WKUP_GPIO0_9 */
>; >;
}; };
vdd_sd_dv_pins_default: vdd-sd-dv-default-pins {
pinctrl-single,pins = <
J721E_IOPAD(0x1dc, PIN_OUTPUT, 7) /* (Y1) SPI1_CLK.GPIO0_118 */
>;
};
wkup_uart0_pins_default: wkup-uart0-default-pins { wkup_uart0_pins_default: wkup-uart0-default-pins {
pinctrl-single,pins = < pinctrl-single,pins = <
J721E_WKUP_IOPAD(0xa0, PIN_INPUT, 0) /* (J29) WKUP_UART0_RXD */ J721E_WKUP_IOPAD(0xa0, PIN_INPUT, 0) /* (J29) WKUP_UART0_RXD */