6e994c5a1d
Add device tree node for touchscreen support on Colibri VF50. The touchscreen functionality on VF50 uses the ADC channels of Vybrid and some GPIOs. Also add pinctrl nodes for proper pinmux. Signed-off-by: Sanchayan Maity <maitysanchayan@gmail.com> Signed-off-by: Shawn Guo <shawnguo@kernel.org>
68 lines
1.7 KiB
Plaintext
68 lines
1.7 KiB
Plaintext
/*
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* Copyright 2014 Toradex AG
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*/
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#include "vf500.dtsi"
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#include "vf-colibri.dtsi"
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/ {
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model = "Toradex Colibri VF50 COM";
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compatible = "toradex,vf610-colibri_vf50", "fsl,vf500";
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memory {
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reg = <0x80000000 0x8000000>;
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};
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touchscreen: vf50-touchscreen {
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compatible = "toradex,vf50-touchscreen";
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io-channels = <&adc1 0>,<&adc0 0>,
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<&adc0 1>,<&adc1 2>;
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xp-gpios = <&gpio0 13 GPIO_ACTIVE_LOW>;
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xm-gpios = <&gpio2 29 GPIO_ACTIVE_HIGH>;
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yp-gpios = <&gpio0 12 GPIO_ACTIVE_LOW>;
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ym-gpios = <&gpio0 4 GPIO_ACTIVE_HIGH>;
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interrupt-parent = <&gpio0>;
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interrupts = <8 IRQ_TYPE_LEVEL_LOW>;
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pinctrl-names = "idle","default","gpios";
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pinctrl-0 = <&pinctrl_touchctrl_idle>;
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pinctrl-1 = <&pinctrl_touchctrl_default>;
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pinctrl-2 = <&pinctrl_touchctrl_gpios>;
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vf50-ts-min-pressure = <200>;
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status = "disabled";
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};
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};
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&iomuxc {
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vf610-colibri {
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pinctrl_touchctrl_idle: touchctrl_idle {
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fsl,pins = <
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VF610_PAD_PTA18__GPIO_8 0x006d
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VF610_PAD_PTA19__GPIO_9 0x006c
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>;
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};
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pinctrl_touchctrl_default: touchctrl_default {
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fsl,pins = <
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VF610_PAD_PTA18__ADC0_SE0 0x0040
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VF610_PAD_PTA19__ADC0_SE1 0x0040
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VF610_PAD_PTA16__ADC1_SE0 0x0040
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VF610_PAD_PTB2__ADC1_SE2 0x0040
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>;
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};
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pinctrl_touchctrl_gpios: touchctrl_gpios {
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fsl,pins = <
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VF610_PAD_PTA23__GPIO_13 0x22e9
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VF610_PAD_PTB23__GPIO_93 0x22e9
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VF610_PAD_PTA22__GPIO_12 0x22e9
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VF610_PAD_PTA11__GPIO_4 0x22e9
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>;
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};
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};
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};
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