linux-kernel - [PATCH v1 07/17] ARM: dts: imx6q-apalis: Move Atmel MXT touch ctrl to SoM dtsi

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Message-Id: <20220516115846.58328-8-max.oss.09@gmail.com>
Date:   Mon, 16 May 2022 13:58:35 +0200
From:   Max Krummenacher <max.oss.09@...il.com>
To:     max.krummenacher@...adex.com
Cc:     Fabio Estevam <festevam@...il.com>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        NXP Linux Team <linux-imx@....com>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        Rob Herring <robh+dt@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Shawn Guo <shawnguo@...nel.org>, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH v1 07/17] ARM: dts: imx6q-apalis: Move Atmel MXT touch ctrl to SoM dtsi

From: Max Krummenacher <max.krummenacher@...adex.com>

Reduces code duplication. While at it drop the comments which do not
apply on Apalis iMX6 but add the correct SoM pin names.

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

 arch/arm/boot/dts/imx6q-apalis-eval.dts       | 13 -------------
 arch/arm/boot/dts/imx6q-apalis-ixora-v1.1.dts | 13 -------------
 arch/arm/boot/dts/imx6q-apalis-ixora.dts      | 13 -------------
 arch/arm/boot/dts/imx6qdl-apalis.dtsi         | 11 +++++++++++
 4 files changed, 11 insertions(+), 39 deletions(-)

diff --git a/arch/arm/boot/dts/imx6q-apalis-eval.dts b/arch/arm/boot/dts/imx6q-apalis-eval.dts
index fe5d491e1399..5985d1169be1 100644
--- a/arch/arm/boot/dts/imx6q-apalis-eval.dts
+++ b/arch/arm/boot/dts/imx6q-apalis-eval.dts
@@ -82,19 +82,6 @@
 &i2c1 {
 	status = "okay";
 
-	/*
-	 * Touchscreen is using SODIMM 28/30, also used for PWM<B>, PWM<C>,
-	 * aka pwm2, pwm3. so if you enable touchscreen, disable the pwms
-	 */
-	touchscreen@4a {
-		compatible = "atmel,maxtouch";
-		reg = <0x4a>;
-		interrupt-parent = <&gpio6>;
-		interrupts = <10 IRQ_TYPE_EDGE_FALLING>;
-		reset-gpios = <&gpio6 9 GPIO_ACTIVE_LOW>; /* SODIMM 13 */
-		status = "disabled";
-	};
-
 	pcie-switch@58 {
 		compatible = "plx,pex8605";
 		reg = <0x58>;
diff --git a/arch/arm/boot/dts/imx6q-apalis-ixora-v1.1.dts b/arch/arm/boot/dts/imx6q-apalis-ixora-v1.1.dts
index 8febfc0aea93..21f88e19e87d 100644
--- a/arch/arm/boot/dts/imx6q-apalis-ixora-v1.1.dts
+++ b/arch/arm/boot/dts/imx6q-apalis-ixora-v1.1.dts
@@ -89,19 +89,6 @@
 &i2c1 {
 	status = "okay";
 
-	/*
-	 * Touchscreen is using SODIMM 28/30, also used for PWM<B>, PWM<C>,
-	 * aka pwm2, pwm3. so if you enable touchscreen, disable the pwms
-	 */
-	touchscreen@4a {
-		compatible = "atmel,maxtouch";
-		reg = <0x4a>;
-		interrupt-parent = <&gpio6>;
-		interrupts = <10 IRQ_TYPE_EDGE_FALLING>;
-		reset-gpios = <&gpio6 9 GPIO_ACTIVE_LOW>; /* SODIMM 13 */
-		status = "disabled";
-	};
-
 	/* M41T0M6 real time clock on carrier board */
 	rtc_i2c: rtc@68 {
 		compatible = "st,m41t0";
diff --git a/arch/arm/boot/dts/imx6q-apalis-ixora.dts b/arch/arm/boot/dts/imx6q-apalis-ixora.dts
index 78cf1d9583c1..6743617ad1c1 100644
--- a/arch/arm/boot/dts/imx6q-apalis-ixora.dts
+++ b/arch/arm/boot/dts/imx6q-apalis-ixora.dts
@@ -88,19 +88,6 @@
 &i2c1 {
 	status = "okay";
 
-	/*
-	 * Touchscreen is using SODIMM 28/30, also used for PWM<B>, PWM<C>,
-	 * aka pwm2, pwm3. so if you enable touchscreen, disable the pwms
-	 */
-	touchscreen@4a {
-		compatible = "atmel,maxtouch";
-		reg = <0x4a>;
-		interrupt-parent = <&gpio6>;
-		interrupts = <10 IRQ_TYPE_EDGE_FALLING>;
-		reset-gpios = <&gpio6 9 GPIO_ACTIVE_LOW>; /* SODIMM 13 */
-		status = "disabled";
-	};
-
 	eeprom@50 {
 		compatible = "atmel,24c02";
 		reg = <0x50>;
diff --git a/arch/arm/boot/dts/imx6qdl-apalis.dtsi b/arch/arm/boot/dts/imx6qdl-apalis.dtsi
index 9413c14ce5f6..3aa66b6d0c88 100644
--- a/arch/arm/boot/dts/imx6qdl-apalis.dtsi
+++ b/arch/arm/boot/dts/imx6qdl-apalis.dtsi
@@ -416,6 +416,17 @@
 	scl-gpios = <&gpio5 27 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
 	sda-gpios = <&gpio5 26 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
 	status = "disabled";
+
+	atmel_mxt_ts: touchscreen@4a {
+		compatible = "atmel,maxtouch";
+		/* These GPIOs are muxed with the iomuxc node */
+		interrupt-parent = <&gpio6>;
+		interrupts = <10 IRQ_TYPE_EDGE_FALLING>;	/* MXM3_11 */
+		reg = <0x4a>;
+		reset-gpios = <&gpio6 9 GPIO_ACTIVE_LOW>;	/* MXM3_13 */
+		status = "disabled";
+	};
+
 };
 
 /*
-- 
2.20.1