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From:   Max Krummenacher <max.oss.09@gmail.com>
To:     max.krummenacher@toradex.com
Cc:     Fabio Estevam <festevam@gmail.com>,
        NXP Linux Team <linux-imx@nxp.com>,
        Pengutronix Kernel Team <kernel@pengutronix.de>,
        Rob Herring <robh+dt@kernel.org>,
        Sascha Hauer <s.hauer@pengutronix.de>,
        Shawn Guo <shawnguo@kernel.org>, devicetree@vger.kernel.org,
        linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org
Subject: [PATCH v1 06/14] ARM: dts: imx6dl-colibri: Disable add-on accessories
Date:   Mon, 14 Mar 2022 17:29:50 +0100
Message-Id: <20220314162958.40361-7-max.krummenacher@toradex.com>
In-Reply-To: <20220314162958.40361-1-max.krummenacher@toradex.com>
References: <20220314162958.40361-1-max.krummenacher@toradex.com>
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The Toradex Colibri family is composed of SoM that can be plugged in
various carrier board, with carrier boards allowing multiple optional
add-on (e.g. display, camera, ...).

Keep all the SoM specific part into the module .dtsi, disabling
everything that is not self-contained on the board. The carrier board
dts can reuse/enable anything that is defined in the module dtsi.
Additional device tree overlays can be used for any accessories that
are plugged in the carrier board.

Disable parallel RGB:
The parallel RGB interface (lcd_display) and all related nodes can
be enabled in an overlay if used. Keep all nodes disabled in the
module-level device tree.
Rename display interface node to match imx6qdl-apalis
to make it easier to use overlays.
The pwm-backlight binding now requires the power-supply property,
add it.

Disable stmpe touchscreen:
The touchscreen can be enabled in an overlay if used.
Add labels to the stmpe sub nodes.

Disable hdmi interface:
HDMI can be enabled in an overlay if used.

Update SPDX-License spelling to latest convention.
Update Copyright year.

Signed-off-by: Max Krummenacher <max.krummenacher@toradex.com>
---

 arch/arm/boot/dts/imx6dl-colibri-eval-v3.dts | 59 +-------------------
 arch/arm/boot/dts/imx6qdl-colibri.dtsi       | 57 ++++++++++++++++++-
 2 files changed, 56 insertions(+), 60 deletions(-)

diff --git a/arch/arm/boot/dts/imx6dl-colibri-eval-v3.dts b/arch/arm/boot/dts/imx6dl-colibri-eval-v3.dts
index 7da74e6f46d9..535b5c156229 100644
--- a/arch/arm/boot/dts/imx6dl-colibri-eval-v3.dts
+++ b/arch/arm/boot/dts/imx6dl-colibri-eval-v3.dts
@@ -1,6 +1,6 @@
-// SPDX-License-Identifier: GPL-2.0+ OR MIT
+// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
 /*
- * Copyright 2014-2020 Toradex
+ * Copyright 2014-2022 Toradex
  * Copyright 2012 Freescale Semiconductor, Inc.
  * Copyright 2011 Linaro Ltd.
  */
@@ -58,53 +58,6 @@
 			wakeup-source;
 		};
 	};
-
-	lcd_display: disp0 {
-		compatible = "fsl,imx-parallel-display";
-		#address-cells = <1>;
-		#size-cells = <0>;
-		interface-pix-fmt = "bgr666";
-		pinctrl-names = "default";
-		pinctrl-0 = <&pinctrl_ipu1_lcdif>;
-		status = "okay";
-
-		port@0 {
-			reg = <0>;
-
-			lcd_display_in: endpoint {
-				remote-endpoint = <&ipu1_di0_disp0>;
-			};
-		};
-
-		port@1 {
-			reg = <1>;
-
-			lcd_display_out: endpoint {
-				remote-endpoint = <&lcd_panel_in>;
-			};
-		};
-	};
-
-	panel: panel {
-		/*
-		 * edt,et057090dhu: EDT 5.7" LCD TFT
-		 * edt,et070080dh6: EDT 7.0" LCD TFT
-		 */
-		compatible = "edt,et057090dhu";
-		backlight = <&backlight>;
-
-		port {
-			lcd_panel_in: endpoint {
-				remote-endpoint = <&lcd_display_out>;
-			};
-		};
-	};
-};
-
-&backlight {
-	brightness-levels = <0 127 191 223 239 247 251 255>;
-	default-brightness-level = <1>;
-	status = "okay";
 };
 
 /* Colibri SSP */
@@ -122,10 +75,6 @@
 	};
 };
 
-&hdmi {
-	status = "okay";
-};
-
 /*
  * Colibri I2C: I2C3_SDA/SCL on SODIMM 194/196 (e.g. RTC on carrier board)
  */
@@ -178,10 +127,6 @@
 	};
 };
 
-&ipu1_di0_disp0 {
-	remote-endpoint = <&lcd_display_in>;
-};
-
 &pwm1 {
 	status = "okay";
 };
diff --git a/arch/arm/boot/dts/imx6qdl-colibri.dtsi b/arch/arm/boot/dts/imx6qdl-colibri.dtsi
index c92887f6af61..f6243762e918 100644
--- a/arch/arm/boot/dts/imx6qdl-colibri.dtsi
+++ b/arch/arm/boot/dts/imx6qdl-colibri.dtsi
@@ -13,13 +13,59 @@
 
 	backlight: backlight {
 		compatible = "pwm-backlight";
+		brightness-levels = <0 127 191 223 239 247 251 255>;
+		default-brightness-level = <1>;
+		enable-gpios = <&gpio3 26 GPIO_ACTIVE_HIGH>; /* Colibri BL_ON */
 		pinctrl-names = "default";
 		pinctrl-0 = <&pinctrl_gpio_bl_on>;
+		power-supply = <&reg_module_3v3>;
 		pwms = <&pwm3 0 5000000>;
-		enable-gpios = <&gpio3 26 GPIO_ACTIVE_HIGH>; /* Colibri BL_ON */
 		status = "disabled";
 	};
 
+	lcd_display: disp0 {
+		compatible = "fsl,imx-parallel-display";
+		interface-pix-fmt = "bgr666";
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_ipu1_lcdif>;
+		status = "disabled";
+
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		port@0 {
+			reg = <0>;
+
+			lcd_display_in: endpoint {
+				remote-endpoint = <&ipu1_di0_disp0>;
+			};
+		};
+
+		port@1 {
+			reg = <1>;
+
+			lcd_display_out: endpoint {
+				remote-endpoint = <&lcd_panel_in>;
+			};
+		};
+	};
+
+	panel_dpi: panel-dpi {
+		/*
+		 * edt,et057090dhu: EDT 5.7" LCD TFT
+		 * edt,et070080dh6: EDT 7.0" LCD TFT
+		 */
+		compatible = "edt,et057090dhu";
+		backlight = <&backlight>;
+		status = "disabled";
+
+		port {
+			lcd_panel_in: endpoint {
+				remote-endpoint = <&lcd_display_out>;
+			};
+		};
+	};
+
 	reg_module_3v3: regulator-module-3v3 {
 		compatible = "regulator-fixed";
 		regulator-name = "+V3.3";
@@ -476,7 +522,7 @@
 		/* ADC converstion time: 80 clocks */
 		st,sample-time = <4>;
 
-		stmpe_touchscreen {
+		stmpe_ts: stmpe_touchscreen {
 			compatible = "st,stmpe-ts";
 			/* 8 sample average control */
 			st,ave-ctrl = <3>;
@@ -491,9 +537,10 @@
 			st,settling = <3>;
 			/* 5 ms touch detect interrupt delay */
 			st,touch-det-delay = <5>;
+			status = "disabled";
 		};
 
-		stmpe_adc {
+		stmpe_adc: stmpe_adc {
 			compatible = "st,stmpe-adc";
 			/* forbid to use ADC channels 3-0 (touch) */
 			st,norequest-mask = <0x0F>;
@@ -514,6 +561,10 @@
 	status = "disabled";
 };
 
+&ipu1_di0_disp0 {
+	remote-endpoint = <&lcd_display_in>;
+};
+
 /* Colibri PWM<B> */
 &pwm1 {
 	pinctrl-names = "default";
-- 
2.20.1