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The Colibri Evaluation Carrier Board provides a MCP2515 CAN controller connected via SPI. Note that the i.MX 7 provides an internal CAN controller which is much better suited for CAN operations. Using the MCP2515 with a Colibri iMX7 module is mainly useful to test the SPI interface. Signed-off-by: Stefan Agner <stefan@agner.ch> Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com> Signed-off-by: Shawn Guo <shawnguo@kernel.org>
189 lines
4.1 KiB
Plaintext
189 lines
4.1 KiB
Plaintext
/*
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* Copyright 2016 Toradex AG
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*
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* This file is dual-licensed: you can use it either under the terms
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* of the GPL or the X11 license, at your option. Note that this dual
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* licensing only applies to this file, and not this project as a
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* whole.
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*
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* a) This file is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or (at your option) any later version.
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*
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* This file is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* Or, alternatively,
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*
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* b) Permission is hereby granted, free of charge, to any person
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* obtaining a copy of this software and associated documentation
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* files (the "Software"), to deal in the Software without
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* restriction, including without limitation the rights to use,
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* copy, modify, merge, publish, distribute, sublicense, and/or
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* sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following
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* conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
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* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*/
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/ {
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chosen {
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stdout-path = "serial0:115200n8";
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};
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/* fixed crystal dedicated to mpc258x */
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clk16m: clk16m {
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compatible = "fixed-clock";
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#clock-cells = <0>;
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clock-frequency = <16000000>;
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};
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panel: panel {
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compatible = "edt,et057090dhu";
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backlight = <&bl>;
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power-supply = <®_3v3>;
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port {
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panel_in: endpoint {
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remote-endpoint = <&lcdif_out>;
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};
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};
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};
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reg_3v3: regulator-3v3 {
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compatible = "regulator-fixed";
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regulator-name = "3.3V";
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regulator-min-microvolt = <3300000>;
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regulator-max-microvolt = <3300000>;
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};
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reg_5v0: regulator-5v0 {
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compatible = "regulator-fixed";
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regulator-name = "5V";
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regulator-min-microvolt = <5000000>;
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regulator-max-microvolt = <5000000>;
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};
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reg_usbh_vbus: regulator-usbh-vbus {
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compatible = "regulator-fixed";
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_usbh_reg>;
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regulator-name = "VCC_USB[1-4]";
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regulator-min-microvolt = <5000000>;
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regulator-max-microvolt = <5000000>;
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gpio = <&gpio4 7 GPIO_ACTIVE_LOW>;
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vin-supply = <®_5v0>;
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};
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};
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&bl {
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brightness-levels = <0 4 8 16 32 64 128 255>;
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default-brightness-level = <6>;
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power-supply = <®_3v3>;
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status = "okay";
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};
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&adc1 {
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status = "okay";
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};
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&adc2 {
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status = "okay";
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};
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&ecspi3 {
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status = "okay";
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mcp2515: can@0 {
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compatible = "microchip,mcp2515";
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_can_int>;
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reg = <0>;
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clocks = <&clk16m>;
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interrupt-parent = <&gpio5>;
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interrupts = <2 IRQ_TYPE_EDGE_FALLING>;
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spi-max-frequency = <10000000>;
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vdd-supply = <®_3v3>;
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xceiver-supply = <®_5v0>;
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status = "okay";
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};
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};
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&fec1 {
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status = "okay";
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};
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&i2c4 {
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status = "okay";
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/* M41T0M6 real time clock on carrier board */
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rtc: m41t0m6@68 {
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compatible = "st,m41t0";
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reg = <0x68>;
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};
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};
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&lcdif {
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status = "okay";
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port {
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lcdif_out: endpoint {
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remote-endpoint = <&panel_in>;
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};
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};
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};
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&pwm1 {
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status = "okay";
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};
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&pwm2 {
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status = "okay";
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};
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&pwm3 {
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status = "okay";
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};
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&pwm4 {
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status = "okay";
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};
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&uart1 {
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status = "okay";
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};
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&uart2 {
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status = "okay";
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};
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&uart3 {
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status = "okay";
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};
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&usbotg1 {
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status = "okay";
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};
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&usdhc1 {
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keep-power-in-suspend;
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wakeup-source;
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vmmc-supply = <®_3v3>;
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status = "okay";
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};
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