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All additional I2SE Duckbill 2 variants always have the same base board in common. So consider this by including the base board and avoid a lot of redundancy. Special care needs to be taken of the SPI variant. ssp2 is used as SD card interface on the base board, but on the SPI variant it's downgrade to a SPI interface to connect the QCA7000. So the SD card properties must be deleted. Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com> Cc: Michael Heimpold <mhei@heimpold.de> Signed-off-by: Shawn Guo <shawnguo@kernel.org>
64 lines
1.3 KiB
Plaintext
64 lines
1.3 KiB
Plaintext
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* Copyright (C) 2015-2017 I2SE GmbH <info@i2se.com>
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* Copyright (C) 2016 Michael Heimpold <mhei@heimpold.de>
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*/
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/dts-v1/;
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#include "imx28-duckbill-2.dts"
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/ {
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model = "I2SE Duckbill 2 SPI";
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compatible = "i2se,duckbill-2-spi", "i2se,duckbill-2", "fsl,imx28";
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aliases {
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ethernet1 = &qca7000;
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};
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};
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&auart0 {
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status = "disabled";
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};
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&i2c0 {
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status = "disabled";
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};
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&pinctrl {
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qca7000_pins: qca7000@0 {
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reg = <0>;
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fsl,pinmux-ids = <
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MX28_PAD_AUART0_RTS__GPIO_3_3 /* Interrupt */
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MX28_PAD_LCD_D13__GPIO_1_13 /* QCA7K reset */
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MX28_PAD_LCD_D14__GPIO_1_14 /* GPIO 0 */
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MX28_PAD_LCD_D15__GPIO_1_15 /* GPIO 1 */
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MX28_PAD_LCD_D18__GPIO_1_18 /* GPIO 2 */
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MX28_PAD_LCD_D21__GPIO_1_21 /* GPIO 3 */
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>;
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fsl,drive-strength = <MXS_DRIVE_4mA>;
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fsl,voltage = <MXS_VOLTAGE_HIGH>;
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fsl,pull-up = <MXS_PULL_DISABLE>;
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};
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};
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&ssp2 {
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compatible = "fsl,imx28-spi";
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pinctrl-names = "default";
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pinctrl-0 = <&spi2_pins_a>;
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/delete-property/ bus-width;
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/delete-property/ vmmc-supply;
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status = "okay";
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qca7000: ethernet@0 {
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reg = <0>;
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compatible = "qca,qca7000";
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pinctrl-names = "default";
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pinctrl-0 = <&qca7000_pins>;
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interrupt-parent = <&gpio3>;
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interrupts = <3 IRQ_TYPE_EDGE_RISING>;
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spi-cpha;
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spi-cpol;
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spi-max-frequency = <8000000>;
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};
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};
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