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

commit 97b67cc102dc2cc8aa39a569c22a196e21af5a21 upstream.

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: 1bfda92a3a36 ("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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/arch/arm64/boot/dts/ti/k3-j721e-sk.dts b/arch/arm64/boot/dts/ti/k3-j721e-sk.dts
index f4a76926c4e64ba1a375def8bb5ce9568cd05482..d06266610d5e75b5950471fa076ce172ff7f6c7c 100644 (file)
--- a/arch/arm64/boot/dts/ti/k3-j721e-sk.dts
+++ b/arch/arm64/boot/dts/ti/k3-j721e-sk.dts
@@ -175,6 +175,17 @@
                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 {
                compatible = "regulator-fixed";
                pinctrl-names = "default";
@@ -202,6 +213,20 @@
                         <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>;
+       };
+
        dp_pwr_3v3: fixedregulator-dp-prw {
                compatible = "regulator-fixed";
                regulator-name = "dp-pwr";
@@ -455,6 +480,12 @@
                >;
        };
 
+       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_i2c0_pins_default: wkup-i2c0-pins-default {
                pinctrl-single,pins = <
                        J721E_WKUP_IOPAD(0xf8, PIN_INPUT_PULLUP, 0) /* (J25) WKUP_I2C0_SCL */