diff --git a/arch/arm64/boot/dts/ti/k3-am654-base-board.dts b/arch/arm64/boot/dts/ti/k3-am654-base-board.dts index 01c0f06b599f..30bb1c90d425 100644 --- a/arch/arm64/boot/dts/ti/k3-am654-base-board.dts +++ b/arch/arm64/boot/dts/ti/k3-am654-base-board.dts @@ -116,6 +116,20 @@ vdd_mmc1_sd: regulator-2 { vin-supply = <&vcc3v3_io>; gpio = <&pca9554 4 GPIO_ACTIVE_HIGH>; }; + + vtt_supply: regulator-3 { + compatible = "regulator-fixed"; + regulator-name = "vtt"; + pinctrl-names = "default"; + pinctrl-0 = <&ddr_vtt_pins_default>; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + enable-active-high; + regulator-always-on; + regulator-boot-on; + vin-supply = <&vcc3v3_io>; + gpio = <&wkup_gpio0 28 GPIO_ACTIVE_HIGH>; + }; }; &wkup_pmx0 { @@ -128,6 +142,12 @@ AM65X_WKUP_IOPAD(0x00cc, PIN_OUTPUT, 1) /* (AC1) WKUP_GPIO0_7.WKUP_UART0_RTSn */ >; }; + ddr_vtt_pins_default: ddr-vtt-pins-default { + pinctrl-single,pins = < + AM65X_WKUP_IOPAD(0x0040, PIN_OUTPUT_PULLUP, 7) /* WKUP_GPIO0_28 */ + >; + }; + wkup_i2c0_pins_default: wkup-i2c0-pins-default { pinctrl-single,pins = < AM65X_WKUP_IOPAD(0x00e0, PIN_INPUT, 0) /* (AC7) WKUP_I2C0_SCL */