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 (cherry picked from commit 97b67cc102dc2cc8aa39a569c22a196e21af5a21) --- arch/arm64/boot/dts/ti/k3-j721e-sk.dts | 31 ++++++++++++++++++++++++++ 1 file changed, 31 insertions(+)
diff --git a/arch/arm64/boot/dts/ti/k3-j721e-sk.dts b/arch/arm64/boot/dts/ti/k3-j721e-sk.dts index f4a76926c4e6..d06266610d5e 100644 --- a/arch/arm64/boot/dts/ti/k3-j721e-sk.dts +++ b/arch/arm64/boot/dts/ti/k3-j721e-sk.dts @@ -175,6 +175,17 @@ vsys_3v3: fixedregulator-vsys3v3 { 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 @@ vdd_sd_dv_alt: gpio-regulator-tps659411 { <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 @@ 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_i2c0_pins_default: wkup-i2c0-pins-default { pinctrl-single,pins = < J721E_WKUP_IOPAD(0xf8, PIN_INPUT_PULLUP, 0) /* (J25) WKUP_I2C0_SCL */