diff options
| author | Nishanth Menon <nm@ti.com> | 2023-04-14 10:33:27 +0300 |
|---|---|---|
| committer | Vignesh Raghavendra <vigneshr@ti.com> | 2023-05-08 18:12:46 +0300 |
| commit | aca16cefdd25cdcd284212f840b70b07101f2548 (patch) | |
| tree | 2c526b4cdf81e8ec5e1984000f1aa99f5f591da6 /arch/arm64/boot/dts/ti/k3-am642-evm.dts | |
| parent | 61ee5572075dfc16b480103763091b603cb06aa1 (diff) | |
| download | linux-aca16cefdd25cdcd284212f840b70b07101f2548.tar.xz | |
arm64: dts: ti: k3-am642-evm: Add VTT GPIO regulator for DDR
Hold the DDR vtt regulator active for functionality.
Signed-off-by: Nishanth Menon <nm@ti.com>
Reviewed-by: Roger Quadros <rogerq@kernel.org>
Link: https://lore.kernel.org/r/20230414073328.381336-10-nm@ti.com
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
Diffstat (limited to 'arch/arm64/boot/dts/ti/k3-am642-evm.dts')
| -rw-r--r-- | arch/arm64/boot/dts/ti/k3-am642-evm.dts | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/ti/k3-am642-evm.dts b/arch/arm64/boot/dts/ti/k3-am642-evm.dts index 9cf181d0199f..3d0b473d5252 100644 --- a/arch/arm64/boot/dts/ti/k3-am642-evm.dts +++ b/arch/arm64/boot/dts/ti/k3-am642-evm.dts @@ -148,6 +148,20 @@ regulator-boot-on; }; + vtt_supply: regulator-5 { + compatible = "regulator-fixed"; + regulator-name = "vtt"; + pinctrl-names = "default"; + pinctrl-0 = <&ddr_vtt_pins_default>; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + gpio = <&main_gpio0 12 GPIO_ACTIVE_HIGH>; + vin-supply = <&vsys_3v3>; + enable-active-high; + regulator-always-on; + regulator-boot-on; + }; + leds { compatible = "gpio-leds"; @@ -338,6 +352,12 @@ AM64X_IOPAD(0x0258, PIN_OUTPUT, 0) /* (C17) MCAN1_TX */ >; }; + + ddr_vtt_pins_default: ddr-vtt-pins-default { + pinctrl-single,pins = < + AM64X_IOPAD(0x0030, PIN_OUTPUT_PULLUP, 7) /* (L18) OSPI0_CSN1.GPIO0_12 */ + >; + }; }; &main_uart0 { |