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From:   Philippe Schenker <philippe.schenker@toradex.com>
To:     Marcel Ziswiler <marcel.ziswiler@toradex.com>,
        Max Krummenacher <max.krummenacher@toradex.com>,
        "stefan@agner.ch" <stefan@agner.ch>,
        "devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
        Rob Herring <robh+dt@kernel.org>,
        Shawn Guo <shawnguo@kernel.org>,
        Mark Rutland <mark.rutland@arm.com>,
        =?iso-8859-2?Q?Michal_Vok=E1=E8?= <michal.vokac@ysoft.com>,
        Fabio Estevam <festevam@gmail.com>
CC:     Philippe Schenker <philippe.schenker@toradex.com>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
        "linux-arm-kernel@lists.infradead.org" 
        <linux-arm-kernel@lists.infradead.org>,
        Pengutronix Kernel Team <kernel@pengutronix.de>,
        NXP Linux Team <linux-imx@nxp.com>,
        Sascha Hauer <s.hauer@pengutronix.de>
Subject: [PATCH v3 12/21] ARM: dts: imx6-apalis: Add touchscreens used on
 Toradex eval boards
Thread-Topic: [PATCH v3 12/21] ARM: dts: imx6-apalis: Add touchscreens used on
 Toradex eval boards
Thread-Index: AQHVTPnQjtMg1e7O6kmFWinqGabNyA==
Date:   Wed, 7 Aug 2019 08:26:30 +0000
Message-ID: <20190807082556.5013-13-philippe.schenker@toradex.com>
References: <20190807082556.5013-1-philippe.schenker@toradex.com>
In-Reply-To: <20190807082556.5013-1-philippe.schenker@toradex.com>
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This commit adds the touchscreens from Toradex so one can enable it.

Signed-off-by: Philippe Schenker <philippe.schenker@toradex.com>

---

Changes in v3:
- Fix commit title to "...imx6-apalis:..."

Changes in v2:
- Deleted touchrevolution downstream stuff
- Use generic node name
- Put a better comment in there

 arch/arm/boot/dts/imx6dl-colibri-eval-v3.dts  | 31 +++++++++++++++++++
 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 ++++++++
 4 files changed, 70 insertions(+)

diff --git a/arch/arm/boot/dts/imx6dl-colibri-eval-v3.dts b/arch/arm/boot/d=
ts/imx6dl-colibri-eval-v3.dts
index 9a5d6c94cca4..763fb5e90bd3 100644
--- a/arch/arm/boot/dts/imx6dl-colibri-eval-v3.dts
+++ b/arch/arm/boot/dts/imx6dl-colibri-eval-v3.dts
@@ -168,6 +168,21 @@
 &i2c3 {
 	status =3D "okay";
=20
+	/*
+	 * 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 =3D "atmel,maxtouch";
+		pinctrl-names =3D "default";
+		pinctrl-0 =3D <&pinctrl_pcap_1>;
+		reg =3D <0x4a>;
+		interrupt-parent =3D <&gpio1>;
+		interrupts =3D <9 IRQ_TYPE_EDGE_FALLING>;		/* SODIMM 28 */
+		reset-gpios =3D <&gpio2 10 GPIO_ACTIVE_HIGH>;	/* SODIMM 30 */
+		status =3D "disabled";
+	};
+
 	/* M41T0M6 real time clock on carrier board */
 	rtc_i2c: rtc@68 {
 		compatible =3D "st,m41t0";
@@ -175,6 +190,22 @@
 	};
 };
=20
+&iomuxc {
+	pinctrl_pcap_1: pcap-1 {
+		fsl,pins =3D <
+			MX6QDL_PAD_GPIO_9__GPIO1_IO09	0x1b0b0 /* SODIMM 28 */
+			MX6QDL_PAD_SD4_DAT2__GPIO2_IO10	0x1b0b0 /* SODIMM 30 */
+		>;
+	};
+
+	pinctrl_mxt_ts: mxt-ts {
+		fsl,pins =3D <
+			MX6QDL_PAD_EIM_CS1__GPIO2_IO24	0x130b0 /* SODIMM 107 */
+			MX6QDL_PAD_SD2_DAT1__GPIO1_IO14	0x130b0 /* SODIMM 106 */
+		>;
+	};
+};
+
 &ipu1_di0_disp0 {
 	remote-endpoint =3D <&lcd_display_in>;
 };
diff --git a/arch/arm/boot/dts/imx6q-apalis-eval.dts b/arch/arm/boot/dts/im=
x6q-apalis-eval.dts
index 0edd3043d9c1..4665e15b196d 100644
--- a/arch/arm/boot/dts/imx6q-apalis-eval.dts
+++ b/arch/arm/boot/dts/imx6q-apalis-eval.dts
@@ -167,6 +167,19 @@
 &i2c1 {
 	status =3D "okay";
=20
+	/*
+	 * 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 =3D "atmel,maxtouch";
+		reg =3D <0x4a>;
+		interrupt-parent =3D <&gpio6>;
+		interrupts =3D <10 IRQ_TYPE_EDGE_FALLING>;
+		reset-gpios =3D <&gpio6 9 GPIO_ACTIVE_HIGH>; /* SODIMM 13 */
+		status =3D "disabled";
+	};
+
 	pcie-switch@58 {
 		compatible =3D "plx,pex8605";
 		reg =3D <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 b94bb687be6b..a3fa04a97d81 100644
--- a/arch/arm/boot/dts/imx6q-apalis-ixora-v1.1.dts
+++ b/arch/arm/boot/dts/imx6q-apalis-ixora-v1.1.dts
@@ -172,6 +172,19 @@
 &i2c1 {
 	status =3D "okay";
=20
+	/*
+	 * 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 =3D "atmel,maxtouch";
+		reg =3D <0x4a>;
+		interrupt-parent =3D <&gpio6>;
+		interrupts =3D <10 IRQ_TYPE_EDGE_FALLING>;
+		reset-gpios =3D <&gpio6 9 GPIO_ACTIVE_HIGH>; /* SODIMM 13 */
+		status =3D "disabled";
+	};
+
 	/* M41T0M6 real time clock on carrier board */
 	rtc_i2c: rtc@68 {
 		compatible =3D "st,m41t0";
diff --git a/arch/arm/boot/dts/imx6q-apalis-ixora.dts b/arch/arm/boot/dts/i=
mx6q-apalis-ixora.dts
index 302fd6adc8a7..5ba49d0f4880 100644
--- a/arch/arm/boot/dts/imx6q-apalis-ixora.dts
+++ b/arch/arm/boot/dts/imx6q-apalis-ixora.dts
@@ -171,6 +171,19 @@
 &i2c1 {
 	status =3D "okay";
=20
+	/*
+	 * 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 =3D "atmel,maxtouch";
+		reg =3D <0x4a>;
+		interrupt-parent =3D <&gpio6>;
+		interrupts =3D <10 IRQ_TYPE_EDGE_FALLING>;
+		reset-gpios =3D <&gpio6 9 GPIO_ACTIVE_HIGH>; /* SODIMM 13 */
+		status =3D "disabled";
+	};
+
 	eeprom@50 {
 		compatible =3D "atmel,24c02";
 		reg =3D <0x50>;
--=20
2.22.0