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Message-Id: <20251014-imx6_dts_clean_2-v1-1-508b36e5a3fd@nxp.com>
Date: Tue, 14 Oct 2025 15:38:18 -0400
From: Frank Li <Frank.Li@....com>
To: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
Conor Dooley <conor+dt@...nel.org>, Shawn Guo <shawnguo@...nel.org>,
Sascha Hauer <s.hauer@...gutronix.de>,
Pengutronix Kernel Team <kernel@...gutronix.de>,
Fabio Estevam <festevam@...il.com>,
Christoph Niedermaier <cniedermaier@...electronics.com>,
Marek Vasut <marex@...x.de>
Cc: devicetree@...r.kernel.org, imx@...ts.linux.dev,
linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
kernel@...electronics.com, Frank Li <Frank.Li@....com>
Subject: [PATCH 1/8] ARM: dts: imx: add power-supply for lcd panel
Add power-supply for lcd panel to fix below CHECK_DTBS warnings:
arch/arm/boot/dts/nxp/imx/imx6q-evi.dtb: panel (sharp,lq101k1ly04): 'power-supply' is a required property
Signed-off-by: Frank Li <Frank.Li@....com>
---
arch/arm/boot/dts/nxp/imx/imx6dl-aristainetos2_7.dts | 1 +
arch/arm/boot/dts/nxp/imx/imx6dl-lanmcu.dts | 8 ++++++++
arch/arm/boot/dts/nxp/imx/imx6q-bosch-acc.dts | 1 +
arch/arm/boot/dts/nxp/imx/imx6q-evi.dts | 8 ++++++++
arch/arm/boot/dts/nxp/imx/imx6q-icore-ofcap10.dts | 1 +
arch/arm/boot/dts/nxp/imx/imx6q-icore-ofcap12.dts | 1 +
arch/arm/boot/dts/nxp/imx/imx6q-pistachio.dts | 1 +
arch/arm/boot/dts/nxp/imx/imx6q-prti6q.dts | 8 ++++++++
arch/arm/boot/dts/nxp/imx/imx6qdl-nit6xlite.dtsi | 1 +
arch/arm/boot/dts/nxp/imx/imx6qdl-nitrogen6_max.dtsi | 3 +++
arch/arm/boot/dts/nxp/imx/imx6qdl-nitrogen6_som2.dtsi | 3 +++
arch/arm/boot/dts/nxp/imx/imx6qdl-nitrogen6x.dtsi | 2 ++
arch/arm/boot/dts/nxp/imx/imx6qdl-sabrelite.dtsi | 2 ++
arch/arm/boot/dts/nxp/imx/imx6qdl-sabresd.dtsi | 8 ++++++++
arch/arm/boot/dts/nxp/imx/imx6qdl-tx6-mb7.dtsi | 3 +++
arch/arm/boot/dts/nxp/imx/imx6ul-14x14-evk.dtsi | 8 ++++++++
arch/arm/boot/dts/nxp/imx/imx6ull-dhcom-pdk2.dts | 2 +-
arch/arm/boot/dts/nxp/imx/imx7d-nitrogen7.dts | 8 ++++++++
18 files changed, 68 insertions(+), 1 deletion(-)
diff --git a/arch/arm/boot/dts/nxp/imx/imx6dl-aristainetos2_7.dts b/arch/arm/boot/dts/nxp/imx/imx6dl-aristainetos2_7.dts
index a7400d42475b49928d0b3d376516e58cb8b656a3..bf8e07f971435da537e2b8a64be7bcfc01f21955 100644
--- a/arch/arm/boot/dts/nxp/imx/imx6dl-aristainetos2_7.dts
+++ b/arch/arm/boot/dts/nxp/imx/imx6dl-aristainetos2_7.dts
@@ -20,6 +20,7 @@ memory@...00000 {
panel: panel {
compatible = "lg,lb070wv8";
backlight = <&backlight>;
+ power-supply = <®_3p3v>;
enable-gpios = <&gpio6 15 GPIO_ACTIVE_HIGH>;
port {
diff --git a/arch/arm/boot/dts/nxp/imx/imx6dl-lanmcu.dts b/arch/arm/boot/dts/nxp/imx/imx6dl-lanmcu.dts
index 7c62db91173b78659372b3095a2676fec4eaea0f..47a6d63c8e04cf28795310aafcdd3b2b05740830 100644
--- a/arch/arm/boot/dts/nxp/imx/imx6dl-lanmcu.dts
+++ b/arch/arm/boot/dts/nxp/imx/imx6dl-lanmcu.dts
@@ -72,6 +72,7 @@ led-0 {
panel {
compatible = "edt,etm0700g0bdh6";
backlight = <&backlight>;
+ power-supply = <®_panel>;
port {
panel_in: endpoint {
@@ -89,6 +90,13 @@ reg_otg_vbus: regulator-otg-vbus {
enable-active-high;
};
+ reg_panel: regulator-panel {
+ compatible = "regulator-fixed";
+ regulator-name = "panel";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ };
+
usdhc2_wifi_pwrseq: usdhc2-wifi-pwrseq {
compatible = "mmc-pwrseq-simple";
pinctrl-names = "default";
diff --git a/arch/arm/boot/dts/nxp/imx/imx6q-bosch-acc.dts b/arch/arm/boot/dts/nxp/imx/imx6q-bosch-acc.dts
index d3f14b4d3b51e19a5bdf52f9d99da4b314da7811..929def2bb35ebbd40455133e7b0cfbbd34d7f61d 100644
--- a/arch/arm/boot/dts/nxp/imx/imx6q-bosch-acc.dts
+++ b/arch/arm/boot/dts/nxp/imx/imx6q-bosch-acc.dts
@@ -46,6 +46,7 @@ backlight_lvds: backlight-lvds {
panel {
compatible = "dataimage,fg1001l0dsswmg01";
backlight = <&backlight_lvds>;
+ power-supply = <®_lcd>;
port {
panel_in: endpoint {
diff --git a/arch/arm/boot/dts/nxp/imx/imx6q-evi.dts b/arch/arm/boot/dts/nxp/imx/imx6q-evi.dts
index 78d941fef5dfb288c69d702ed190150caa92ba7a..c764634cdb2bc6145590ebd1636c51b6d02be1f5 100644
--- a/arch/arm/boot/dts/nxp/imx/imx6q-evi.dts
+++ b/arch/arm/boot/dts/nxp/imx/imx6q-evi.dts
@@ -55,6 +55,13 @@ memory@...00000 {
reg = <0x10000000 0x40000000>;
};
+ reg_3v3: regulator-3v3 {
+ compatible = "regulator-fixed";
+ regulator-name = "3v3";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ };
+
reg_usbh1_vbus: regulator-usbhubreset {
compatible = "regulator-fixed";
regulator-name = "usbh1_vbus";
@@ -81,6 +88,7 @@ reg_usb_otg_vbus: regulator-usbotgvbus {
panel {
compatible = "sharp,lq101k1ly04";
+ power-supply = <®_3v3>;
port {
panel_in: endpoint {
diff --git a/arch/arm/boot/dts/nxp/imx/imx6q-icore-ofcap10.dts b/arch/arm/boot/dts/nxp/imx/imx6q-icore-ofcap10.dts
index 02aca1e28ce3feeecebb737b09ea4f8208974e43..1ad3bdcea4a3497dd5bf1c6ad0dc32cfa8af9522 100644
--- a/arch/arm/boot/dts/nxp/imx/imx6q-icore-ofcap10.dts
+++ b/arch/arm/boot/dts/nxp/imx/imx6q-icore-ofcap10.dts
@@ -16,6 +16,7 @@ / {
panel {
compatible = "ampire,am-1280800n3tzqw-t00h";
backlight = <&backlight_lvds>;
+ power-supply = <®_3p3v>;
port {
panel_in: endpoint {
diff --git a/arch/arm/boot/dts/nxp/imx/imx6q-icore-ofcap12.dts b/arch/arm/boot/dts/nxp/imx/imx6q-icore-ofcap12.dts
index 241811c52b624625c7a44cbd46558b78d5f5b154..9e1c64da0b30adf371958505614cd47a0c451053 100644
--- a/arch/arm/boot/dts/nxp/imx/imx6q-icore-ofcap12.dts
+++ b/arch/arm/boot/dts/nxp/imx/imx6q-icore-ofcap12.dts
@@ -16,6 +16,7 @@ / {
panel {
compatible = "koe,tx31d200vm0baa";
backlight = <&backlight_lvds>;
+ power-supply = <®_3p3v>;
port {
panel_in: endpoint {
diff --git a/arch/arm/boot/dts/nxp/imx/imx6q-pistachio.dts b/arch/arm/boot/dts/nxp/imx/imx6q-pistachio.dts
index 56b77cc0af2be51d8eb6a9b0931d977e1f267670..b821873aa52639c912d05e0694ce6a55da248cc5 100644
--- a/arch/arm/boot/dts/nxp/imx/imx6q-pistachio.dts
+++ b/arch/arm/boot/dts/nxp/imx/imx6q-pistachio.dts
@@ -145,6 +145,7 @@ backlight_lvds: backlight-lvds {
panel {
compatible = "hannstar,hsd100pxn1";
backlight = <&backlight_lvds>;
+ power-supply = <®_3p3v>;
port {
panel_in: endpoint {
diff --git a/arch/arm/boot/dts/nxp/imx/imx6q-prti6q.dts b/arch/arm/boot/dts/nxp/imx/imx6q-prti6q.dts
index fb81bd8ba035165525337a35acfe67f155bb7e46..73ed40ae5a7bc25ca13683d907dd762f7a8ca52e 100644
--- a/arch/arm/boot/dts/nxp/imx/imx6q-prti6q.dts
+++ b/arch/arm/boot/dts/nxp/imx/imx6q-prti6q.dts
@@ -57,6 +57,7 @@ led-debug1 {
panel {
compatible = "kyo,tcg121xglp";
backlight = <&backlight_lcd>;
+ power-supply = <®_3v3>;
port {
panel_in: endpoint {
@@ -72,6 +73,13 @@ reg_1v8: regulator-1v8 {
regulator-max-microvolt = <1800000>;
};
+ reg_3v3: regulator-3v3 {
+ compatible = "regulator-fixed";
+ regulator-name = "3v3";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ };
+
reg_wifi: regulator-wifi {
compatible = "regulator-fixed";
pinctrl-names = "default";
diff --git a/arch/arm/boot/dts/nxp/imx/imx6qdl-nit6xlite.dtsi b/arch/arm/boot/dts/nxp/imx/imx6qdl-nit6xlite.dtsi
index 8d471450d5c5c76131ab9677986228c1615f584e..610b2a72fe82557c51fbad1bfff65154540e2279 100644
--- a/arch/arm/boot/dts/nxp/imx/imx6qdl-nit6xlite.dtsi
+++ b/arch/arm/boot/dts/nxp/imx/imx6qdl-nit6xlite.dtsi
@@ -127,6 +127,7 @@ backlight_lvds0: backlight-lvds0 {
panel-lvds0 {
compatible = "hannstar,hsd100pxn1";
backlight = <&backlight_lvds0>;
+ power-supply = <®_3p3v>;
port {
panel_in_lvds0: endpoint {
diff --git a/arch/arm/boot/dts/nxp/imx/imx6qdl-nitrogen6_max.dtsi b/arch/arm/boot/dts/nxp/imx/imx6qdl-nitrogen6_max.dtsi
index c727aac257f9c3a1f16dc357fce355ad46a3f699..ca29933302c6b9b19eb5daced48cab2b458d85c0 100644
--- a/arch/arm/boot/dts/nxp/imx/imx6qdl-nitrogen6_max.dtsi
+++ b/arch/arm/boot/dts/nxp/imx/imx6qdl-nitrogen6_max.dtsi
@@ -237,6 +237,7 @@ lcd_display_out: endpoint {
panel-lcd {
compatible = "okaya,rs800480t-7x0gp";
backlight = <&backlight_lcd>;
+ power-supply = <®_3p3v>;
port {
lcd_panel_in: endpoint {
@@ -248,6 +249,7 @@ lcd_panel_in: endpoint {
panel-lvds0 {
compatible = "hannstar,hsd100pxn1";
backlight = <&backlight_lvds0>;
+ power-supply = <®_3p3v>;
port {
panel_in_lvds0: endpoint {
@@ -259,6 +261,7 @@ panel_in_lvds0: endpoint {
panel-lvds1 {
compatible = "hannstar,hsd100pxn1";
backlight = <&backlight_lvds1>;
+ power-supply = <®_3p3v>;
port {
panel_in_lvds1: endpoint {
diff --git a/arch/arm/boot/dts/nxp/imx/imx6qdl-nitrogen6_som2.dtsi b/arch/arm/boot/dts/nxp/imx/imx6qdl-nitrogen6_som2.dtsi
index 806af7f60419e7e81c8373cdbaca36453abbbba6..03fe053880ca6e0e9870cb13f932a3b5afc8fc79 100644
--- a/arch/arm/boot/dts/nxp/imx/imx6qdl-nitrogen6_som2.dtsi
+++ b/arch/arm/boot/dts/nxp/imx/imx6qdl-nitrogen6_som2.dtsi
@@ -114,6 +114,7 @@ lcd_display_out: endpoint {
panel-lcd {
compatible = "okaya,rs800480t-7x0gp";
backlight = <&backlight_lcd>;
+ power-supply = <®_3p3v>;
port {
lcd_panel_in: endpoint {
@@ -125,6 +126,7 @@ lcd_panel_in: endpoint {
panel-lvds0 {
compatible = "hannstar,hsd100pxn1";
backlight = <&backlight_lvds0>;
+ power-supply = <®_3p3v>;
port {
panel_in_lvds0: endpoint {
@@ -136,6 +138,7 @@ panel_in_lvds0: endpoint {
panel-lvds1 {
compatible = "hannstar,hsd100pxn1";
backlight = <&backlight_lvds1>;
+ power-supply = <®_3p3v>;
port {
panel_in_lvds1: endpoint {
diff --git a/arch/arm/boot/dts/nxp/imx/imx6qdl-nitrogen6x.dtsi b/arch/arm/boot/dts/nxp/imx/imx6qdl-nitrogen6x.dtsi
index c71aa7498acf4a0b1cc8f74c325c8944ed1a781c..6a353a99e13daa2f13ba91d7311f60c88b40695b 100644
--- a/arch/arm/boot/dts/nxp/imx/imx6qdl-nitrogen6x.dtsi
+++ b/arch/arm/boot/dts/nxp/imx/imx6qdl-nitrogen6x.dtsi
@@ -179,6 +179,7 @@ lcd_display_out: endpoint {
panel-lcd {
compatible = "okaya,rs800480t-7x0gp";
backlight = <&backlight_lcd>;
+ power-supply = <®_3p3v>;
port {
lcd_panel_in: endpoint {
@@ -190,6 +191,7 @@ lcd_panel_in: endpoint {
panel-lvds0 {
compatible = "hannstar,hsd100pxn1";
backlight = <&backlight_lvds>;
+ power-supply = <®_3p3v>;
port {
panel_in: endpoint {
diff --git a/arch/arm/boot/dts/nxp/imx/imx6qdl-sabrelite.dtsi b/arch/arm/boot/dts/nxp/imx/imx6qdl-sabrelite.dtsi
index f7abc17c7c93a7016854d7beb7d041dc90301514..8323be1bfb769fda5c21ea9d4790786654e996a8 100644
--- a/arch/arm/boot/dts/nxp/imx/imx6qdl-sabrelite.dtsi
+++ b/arch/arm/boot/dts/nxp/imx/imx6qdl-sabrelite.dtsi
@@ -207,6 +207,7 @@ lcd_display_out: endpoint {
panel-lcd {
compatible = "okaya,rs800480t-7x0gp";
backlight = <&backlight_lcd>;
+ power-supply = <®_3p3v>;
port {
lcd_panel_in: endpoint {
@@ -218,6 +219,7 @@ lcd_panel_in: endpoint {
panel-lvds0 {
compatible = "hannstar,hsd100pxn1";
backlight = <&backlight_lvds>;
+ power-supply = <®_3p3v>;
port {
panel_in: endpoint {
diff --git a/arch/arm/boot/dts/nxp/imx/imx6qdl-sabresd.dtsi b/arch/arm/boot/dts/nxp/imx/imx6qdl-sabresd.dtsi
index e8368c6b27ef3be2bae1d1dadc7c29672db0e5df..cc2a7b61a293a0d8919a74a0ea28ae83390dd68b 100644
--- a/arch/arm/boot/dts/nxp/imx/imx6qdl-sabresd.dtsi
+++ b/arch/arm/boot/dts/nxp/imx/imx6qdl-sabresd.dtsi
@@ -17,6 +17,13 @@ memory@...00000 {
reg = <0x10000000 0x40000000>;
};
+ reg_3v3: regulator-3v3 {
+ compatible = "regulator-fixed";
+ regulator-name = "reg-3v3";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ };
+
reg_usb_otg_vbus: regulator-usb-otg-vbus {
compatible = "regulator-fixed";
regulator-name = "usb_otg_vbus";
@@ -139,6 +146,7 @@ led-red {
panel {
compatible = "hannstar,hsd100pxn1";
backlight = <&backlight_lvds>;
+ power-supply = <®_3v3>;
port {
panel_in: endpoint {
diff --git a/arch/arm/boot/dts/nxp/imx/imx6qdl-tx6-mb7.dtsi b/arch/arm/boot/dts/nxp/imx/imx6qdl-tx6-mb7.dtsi
index dd4e5bce4a55dca44ee70d5485017ddba1e186d2..8232f4ea27526584b52654d7d3940eb5b104794e 100644
--- a/arch/arm/boot/dts/nxp/imx/imx6qdl-tx6-mb7.dtsi
+++ b/arch/arm/boot/dts/nxp/imx/imx6qdl-tx6-mb7.dtsi
@@ -16,16 +16,19 @@ backlight1 {
lcd-panel {
compatible = "edt,et057090dhu";
+ power-supply = <®_lcd1_pwr>;
pixelclk-active = <0>;
};
lvds0-panel {
compatible = "edt,etml1010g0dka";
+ power-supply = <®_lcd1_pwr>;
pixelclk-active = <0>;
};
lvds1-panel {
compatible = "edt,etml1010g0dka";
+ power-supply = <®_lcd1_pwr>;
pixelclk-active = <0>;
};
};
diff --git a/arch/arm/boot/dts/nxp/imx/imx6ul-14x14-evk.dtsi b/arch/arm/boot/dts/nxp/imx/imx6ul-14x14-evk.dtsi
index 73c9cfbdba621c1cf42f56ef2e9d31574c4f8311..3d147b160ecf150f2f3b6afa8b5873fabc2ba96f 100644
--- a/arch/arm/boot/dts/nxp/imx/imx6ul-14x14-evk.dtsi
+++ b/arch/arm/boot/dts/nxp/imx/imx6ul-14x14-evk.dtsi
@@ -43,6 +43,13 @@ reg_2v8: regulator-2v8 {
regulator-max-microvolt = <2800000>;
};
+ reg_3v3: regulator-3v3 {
+ compatible = "regulator-fixed";
+ regulator-name = "3v3";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ };
+
reg_sd1_vmmc: regulator-sd1-vmmc {
compatible = "regulator-fixed";
regulator-name = "VSD_3V3";
@@ -157,6 +164,7 @@ gpio_spi: gpio@0 {
panel {
compatible = "innolux,at043tn24";
backlight = <&backlight_display>;
+ power-supply = <®_3v3>;
port {
panel_in: endpoint {
diff --git a/arch/arm/boot/dts/nxp/imx/imx6ull-dhcom-pdk2.dts b/arch/arm/boot/dts/nxp/imx/imx6ull-dhcom-pdk2.dts
index b29713831a74489e8cc0e651c18a40d85f9f9113..04e570d76e42cd67a38e0f3b2301598f712e6bd4 100644
--- a/arch/arm/boot/dts/nxp/imx/imx6ull-dhcom-pdk2.dts
+++ b/arch/arm/boot/dts/nxp/imx/imx6ull-dhcom-pdk2.dts
@@ -199,7 +199,7 @@ touchscreen@38 {
reg = <0x38>;
interrupt-parent = <&gpio5>;
interrupts = <4 IRQ_TYPE_EDGE_FALLING>; /* GPIO E */
- power-supply = <®_panel_3v3>;
+ vcc-supply = <®_panel_3v3>;
};
};
diff --git a/arch/arm/boot/dts/nxp/imx/imx7d-nitrogen7.dts b/arch/arm/boot/dts/nxp/imx/imx7d-nitrogen7.dts
index 7acd28658e6ffa3bc649c93c19d2f0b8e5a9f51e..2192f105ec81cb488f1c3634cf0ecda21492eea4 100644
--- a/arch/arm/boot/dts/nxp/imx/imx7d-nitrogen7.dts
+++ b/arch/arm/boot/dts/nxp/imx/imx7d-nitrogen7.dts
@@ -35,6 +35,7 @@ backlight_lcd: backlight-j20 {
panel-lcd {
compatible = "okaya,rs800480t-7x0gp";
backlight = <&backlight_lcd>;
+ power-supply = <®_3v3>;
port {
panel_in: endpoint {
@@ -61,6 +62,13 @@ reg_usb_otg2_vbus: regulator-usb-otg2-vbus {
enable-active-high;
};
+ reg_3v3: regulator-3v3 {
+ compatible = "regulator-fixed";
+ regulator-name = "reg-3v3";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ };
+
reg_can2_3v3: regulator-can2-3v3 {
compatible = "regulator-fixed";
regulator-name = "can2-3v3";
--
2.34.1
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