diff options
| author | Nishanth Menon <nm@ti.com> | 2023-04-20 00:59:09 +0200 |
|---|---|---|
| committer | Vignesh Raghavendra <vigneshr@ti.com> | 2023-05-08 18:16:46 +0200 |
| commit | 5292f504827c56406975b463eda1270d144cf06f (patch) | |
| tree | ea7747b9ac54703fd5642c08ae106f3d939e5ae8 /arch/arm64/boot/dts/ti/k3-am654-base-board.dts | |
| parent | arm64: dts: ti: k3-am654-base-board: Rename regulator node name (diff) | |
| download | linux-5292f504827c56406975b463eda1270d144cf06f.tar.xz linux-5292f504827c56406975b463eda1270d144cf06f.zip | |
arm64: dts: ti: k3-am654-base-board: Add VTT GPIO regulator for DDR
Hold the DDR vtt regulator active for functionality.
Signed-off-by: Nishanth Menon <nm@ti.com>
Reviewed-by: Kamlesh Gurudasani <kamlesh@ti.com>
Link: https://lore.kernel.org/r/20230419225913.663448-4-nm@ti.com
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
Diffstat (limited to 'arch/arm64/boot/dts/ti/k3-am654-base-board.dts')
| -rw-r--r-- | arch/arm64/boot/dts/ti/k3-am654-base-board.dts | 20 |
1 files changed, 20 insertions, 0 deletions
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 @@ 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 @@ >; }; + 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 */ |