diff options
Diffstat (limited to '')
| -rw-r--r-- | arch/arm/boot/dts/imx6qdl-skov-cpu-revc.dtsi | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/imx6qdl-skov-cpu-revc.dtsi b/arch/arm/boot/dts/imx6qdl-skov-cpu-revc.dtsi new file mode 100644 index 000000000..b81799d70 --- /dev/null +++ b/arch/arm/boot/dts/imx6qdl-skov-cpu-revc.dtsi @@ -0,0 +1,79 @@ +// SPDX-License-Identifier: (GPL-2.0 OR MIT) +// +// Copyright (C) 2020 Pengutronix, Ulrich Oelmann <kernel@pengutronix.de> + +/ { + touchscreen { + compatible = "resistive-adc-touch"; + io-channels = <&adc_ts 1>, <&adc_ts 3>, <&adc_ts 4>, <&adc_ts 5>; + io-channel-names = "y", "z1", "z2", "x"; + touchscreen-min-pressure = <65000>; + touchscreen-inverted-y; + touchscreen-swapped-x-y; + touchscreen-x-plate-ohms = <300>; + touchscreen-y-plate-ohms = <800>; + }; +}; + +&ecspi4 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_ecspi4>; + cs-gpios = <&gpio3 20 GPIO_ACTIVE_LOW>; + status = "okay"; + + adc_ts: adc@0 { + compatible = "ti,tsc2046e-adc"; + reg = <0>; + pinctrl-0 = <&pinctrl_touch>; + pinctrl-names ="default"; + spi-max-frequency = <1000000>; + interrupts-extended = <&gpio3 19 IRQ_TYPE_LEVEL_LOW>; + #io-channel-cells = <1>; + + #address-cells = <1>; + #size-cells = <0>; + + channel@1 { + reg = <1>; + settling-time-us = <700>; + oversampling-ratio = <5>; + }; + + channel@3 { + reg = <3>; + settling-time-us = <700>; + oversampling-ratio = <5>; + }; + + channel@4 { + reg = <4>; + settling-time-us = <700>; + oversampling-ratio = <5>; + }; + + channel@5 { + reg = <5>; + settling-time-us = <700>; + oversampling-ratio = <5>; + }; + }; +}; + +&iomuxc { + pinctrl_ecspi4: ecspi4grp { + fsl,pins = < + MX6QDL_PAD_EIM_D28__ECSPI4_MOSI 0x100b1 + MX6QDL_PAD_EIM_D22__ECSPI4_MISO 0x000b1 + MX6QDL_PAD_EIM_D21__ECSPI4_SCLK 0x000b1 + /* *no* external pull up */ + MX6QDL_PAD_EIM_D20__GPIO3_IO20 0x40000058 + >; + }; + + pinctrl_touch: touchgrp { + fsl,pins = < + /* external pull up */ + MX6QDL_PAD_EIM_D19__GPIO3_IO19 0x10040 + >; + }; +}; |