From ae3ac9ffd59acf46b8934f4e7a5fa7a6803ac959 Mon Sep 17 00:00:00 2001 From: Andrew Davis Date: Mon, 21 Apr 2025 16:46:20 -0500 Subject: [PATCH] arm64: dts: ti: am65x: Add missing power-supply for Rocktech-rk101 panel Add the 5v0 supply that is provided over the display panel cable and used by the LCD. This is required by "simple panels" or we get the following warning from DTBS_CHECK: k3-am654-gp-evm.dtb: display0: 'power-supply' is a required property Signed-off-by: Andrew Davis Link: https://lore.kernel.org/r/20250421214620.3770172-4-afd@ti.com Signed-off-by: Nishanth Menon --- .../ti/k3-am654-base-board-rocktech-rk101-panel.dtso | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/arch/arm64/boot/dts/ti/k3-am654-base-board-rocktech-rk101-panel.dtso b/arch/arm64/boot/dts/ti/k3-am654-base-board-rocktech-rk101-panel.dtso index 364c57b3b3a0..7a3953d64fd8 100644 --- a/arch/arm64/boot/dts/ti/k3-am654-base-board-rocktech-rk101-panel.dtso +++ b/arch/arm64/boot/dts/ti/k3-am654-base-board-rocktech-rk101-panel.dtso @@ -15,8 +15,20 @@ #include &{/} { + vcc_5v0: lcd-regulator { + /* Output of LM5140 */ + compatible = "regulator-fixed"; + regulator-name = "vcc_5v0"; + regulator-min-microvolt = <5000000>; + regulator-max-microvolt = <5000000>; + regulator-always-on; + regulator-boot-on; + vin-supply = <&evm_12v0>; + }; + display0 { compatible = "rocktech,rk101ii01d-ct"; + power-supply = <&vcc_5v0>; backlight = <&lcd_bl>; enable-gpios = <&pca9555 8 GPIO_ACTIVE_HIGH>; port { -- 2.50.1