From 24ffaa23cec6e12663633271056c3ba49c291802 Mon Sep 17 00:00:00 2001 From: Philippe Schenker Date: Tue, 27 Aug 2019 13:18:28 +0000 Subject: [PATCH] ARM: dts: imx6-apalis: Add touchscreens used on Toradex eval boards This commit adds the touchscreen from Toradex so one can enable it. It is disabled by default because the pins are also used for PWM, PWM, aka pwm2, pwm3 which is the standard use for colibri boards. Signed-off-by: Philippe Schenker Acked-by: Marcel Ziswiler Reviewed-by: Oleksandr Suvorov Signed-off-by: Shawn Guo --- 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/dts/imx6dl-colibri-eval-v3.dts index 9a5d6c9..5e9d844 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 = "okay"; + /* + * Touchscreen is using SODIMM 28/30, also used for PWM, PWM, + * aka pwm2, pwm3. so if you enable touchscreen, disable the pwms + */ + touchscreen@4a { + compatible = "atmel,maxtouch"; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_pcap_1>; + reg = <0x4a>; + interrupt-parent = <&gpio1>; + interrupts = <9 IRQ_TYPE_EDGE_FALLING>; /* SODIMM 28 */ + reset-gpios = <&gpio2 10 GPIO_ACTIVE_HIGH>; /* SODIMM 30 */ + status = "disabled"; + }; + /* M41T0M6 real time clock on carrier board */ rtc_i2c: rtc@68 { compatible = "st,m41t0"; @@ -175,6 +190,22 @@ }; }; +&iomuxc { + pinctrl_pcap_1: pcap1grp { + fsl,pins = < + MX6QDL_PAD_GPIO_9__GPIO1_IO09 0x1b0b0 /* SODIMM 28 */ + MX6QDL_PAD_SD4_DAT2__GPIO2_IO10 0x1b0b0 /* SODIMM 30 */ + >; + }; + + pinctrl_mxt_ts: mxttsgrp { + fsl,pins = < + MX6QDL_PAD_EIM_CS1__GPIO2_IO24 0x130b0 /* SODIMM 107 */ + MX6QDL_PAD_SD2_DAT1__GPIO1_IO14 0x130b0 /* SODIMM 106 */ + >; + }; +}; + &ipu1_di0_disp0 { remote-endpoint = <&lcd_display_in>; }; diff --git a/arch/arm/boot/dts/imx6q-apalis-eval.dts b/arch/arm/boot/dts/imx6q-apalis-eval.dts index 0edd304..4665e15 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 = "okay"; + /* + * Touchscreen is using SODIMM 28/30, also used for PWM, PWM, + * 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_HIGH>; /* 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 b94bb68..a3fa04a 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 = "okay"; + /* + * Touchscreen is using SODIMM 28/30, also used for PWM, PWM, + * 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_HIGH>; /* 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 302fd6a..5ba49d0 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 = "okay"; + /* + * Touchscreen is using SODIMM 28/30, also used for PWM, PWM, + * 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_HIGH>; /* SODIMM 13 */ + status = "disabled"; + }; + eeprom@50 { compatible = "atmel,24c02"; reg = <0x50>; -- 2.7.4