forked from Minki/linux
75416cfebc
Add support for CAN based on a MCP2515 connected to ECSPI1. Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com> Reviewed-by: Eric Bénard <eric@eukrea.com> Signed-off-by: Shawn Guo <shawn.guo@freescale.com>
296 lines
6.3 KiB
Plaintext
296 lines
6.3 KiB
Plaintext
/*
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* Copyright 2013 Eukréa Electromatique <denis@eukrea.com>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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* This program 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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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301, USA.
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*/
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/dts-v1/;
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#include "imx51-eukrea-cpuimx51.dtsi"
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#include <dt-bindings/gpio/gpio.h>
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/ {
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model = "Eukrea CPUIMX51";
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compatible = "eukrea,mbimxsd51","eukrea,cpuimx51", "fsl,imx51";
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clocks {
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clk24M: can_clock {
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compatible = "fixed-clock";
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#clock-cells = <0>;
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clock-frequency = <24000000>;
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};
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};
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gpio_keys {
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compatible = "gpio-keys";
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_gpiokeys_1>;
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button-1 {
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label = "BP1";
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gpios = <&gpio3 31 GPIO_ACTIVE_LOW>;
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linux,code = <256>;
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gpio-key,wakeup;
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linux,input-type = <1>;
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};
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};
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leds {
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compatible = "gpio-leds";
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_gpioled>;
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led1 {
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label = "led1";
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gpios = <&gpio3 30 GPIO_ACTIVE_LOW>;
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linux,default-trigger = "heartbeat";
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};
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};
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regulators {
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compatible = "simple-bus";
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#address-cells = <1>;
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#size-cells = <0>;
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reg_can: regulator@0 {
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compatible = "regulator-fixed";
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reg = <0>;
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regulator-name = "CAN_RST";
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regulator-min-microvolt = <3300000>;
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regulator-max-microvolt = <3300000>;
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gpio = <&gpio4 15 GPIO_ACTIVE_HIGH>;
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startup-delay-us = <20000>;
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enable-active-high;
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};
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};
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sound {
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compatible = "eukrea,asoc-tlv320";
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eukrea,model = "imx51-eukrea-tlv320aic23";
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ssi-controller = <&ssi2>;
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fsl,mux-int-port = <2>;
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fsl,mux-ext-port = <3>;
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};
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usbphy {
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#address-cells = <1>;
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#size-cells = <0>;
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compatible = "simple-bus";
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usbh1phy: usbh1phy@0 {
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compatible = "usb-nop-xceiv";
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reg = <0>;
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clocks = <&clks IMX5_CLK_USB_PHY_GATE>;
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clock-names = "main_clk";
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clock-frequency = <19200000>;
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};
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};
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};
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&audmux {
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_audmux>;
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status = "okay";
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};
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&esdhc1 {
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_esdhc1 &pinctrl_esdhc1_cd>;
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fsl,cd-controller;
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status = "okay";
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};
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&ecspi1 {
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_ecspi1>;
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fsl,spi-num-chipselects = <1>;
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cs-gpios = <&gpio4 24 GPIO_ACTIVE_LOW>;
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status = "okay";
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can0: can@0 {
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_can>;
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compatible = "microchip,mcp2515";
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reg = <0>;
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clocks = <&clk24M>;
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spi-max-frequency = <10000000>;
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interrupt-parent = <&gpio1>;
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interrupts = <1 IRQ_TYPE_EDGE_FALLING>;
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vdd-supply = <®_can>;
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};
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};
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&i2c1 {
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tlv320aic23: codec@1a {
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compatible = "ti,tlv320aic23";
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reg = <0x1a>;
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};
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};
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&iomuxc {
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imx51-eukrea {
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pinctrl_audmux: audmuxgrp {
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fsl,pins = <
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MX51_PAD_AUD3_BB_TXD__AUD3_TXD 0x80000000
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MX51_PAD_AUD3_BB_RXD__AUD3_RXD 0x80000000
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MX51_PAD_AUD3_BB_CK__AUD3_TXC 0x80000000
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MX51_PAD_AUD3_BB_FS__AUD3_TXFS 0x80000000
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>;
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};
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pinctrl_can: cangrp {
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fsl,pins = <
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MX51_PAD_CSI2_PIXCLK__GPIO4_15 0x80000000 /* nReset */
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MX51_PAD_GPIO1_1__GPIO1_1 0x80000000 /* IRQ */
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>;
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};
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pinctrl_ecspi1: ecspi1grp {
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fsl,pins = <
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MX51_PAD_CSPI1_MISO__ECSPI1_MISO 0x185
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MX51_PAD_CSPI1_MOSI__ECSPI1_MOSI 0x185
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MX51_PAD_CSPI1_SCLK__ECSPI1_SCLK 0x185
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MX51_PAD_CSPI1_SS0__GPIO4_24 0x80000000 /* CS0 */
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>;
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};
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pinctrl_esdhc1: esdhc1grp {
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fsl,pins = <
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MX51_PAD_SD1_CMD__SD1_CMD 0x400020d5
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MX51_PAD_SD1_CLK__SD1_CLK 0x20d5
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MX51_PAD_SD1_DATA0__SD1_DATA0 0x20d5
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MX51_PAD_SD1_DATA1__SD1_DATA1 0x20d5
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MX51_PAD_SD1_DATA2__SD1_DATA2 0x20d5
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MX51_PAD_SD1_DATA3__SD1_DATA3 0x20d5
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>;
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};
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pinctrl_uart1: uart1grp {
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fsl,pins = <
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MX51_PAD_UART1_RXD__UART1_RXD 0x1c5
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MX51_PAD_UART1_TXD__UART1_TXD 0x1c5
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>;
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};
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pinctrl_uart3: uart3grp {
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fsl,pins = <
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MX51_PAD_UART3_RXD__UART3_RXD 0x1c5
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MX51_PAD_UART3_TXD__UART3_TXD 0x1c5
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>;
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};
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pinctrl_uart3_rtscts: uart3rtsctsgrp {
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fsl,pins = <
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MX51_PAD_KEY_COL4__UART3_RTS 0x1c5
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MX51_PAD_KEY_COL5__UART3_CTS 0x1c5
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>;
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};
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pinctrl_backlight_1: backlightgrp-1 {
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fsl,pins = <
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MX51_PAD_DI1_D1_CS__GPIO3_4 0x1f5
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>;
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};
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pinctrl_esdhc1_cd: esdhc1_cd {
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fsl,pins = <
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MX51_PAD_GPIO1_0__SD1_CD 0x20d5
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>;
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};
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pinctrl_gpiokeys_1: gpiokeysgrp-1 {
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fsl,pins = <
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MX51_PAD_NANDF_D9__GPIO3_31 0x1f5
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>;
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};
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pinctrl_gpioled: gpioledgrp-1 {
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fsl,pins = <
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MX51_PAD_NANDF_D10__GPIO3_30 0x80000000
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>;
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};
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pinctrl_reg_lcd_3v3: reg_lcd_3v3 {
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fsl,pins = <
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MX51_PAD_CSI1_D9__GPIO3_13 0x1f5
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>;
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};
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pinctrl_usbh1: usbh1grp {
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fsl,pins = <
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MX51_PAD_USBH1_CLK__USBH1_CLK 0x1e5
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MX51_PAD_USBH1_DIR__USBH1_DIR 0x1e5
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MX51_PAD_USBH1_NXT__USBH1_NXT 0x1e5
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MX51_PAD_USBH1_DATA0__USBH1_DATA0 0x1e5
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MX51_PAD_USBH1_DATA1__USBH1_DATA1 0x1e5
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MX51_PAD_USBH1_DATA2__USBH1_DATA2 0x1e5
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MX51_PAD_USBH1_DATA3__USBH1_DATA3 0x1e5
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MX51_PAD_USBH1_DATA4__USBH1_DATA4 0x1e5
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MX51_PAD_USBH1_DATA5__USBH1_DATA5 0x1e5
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MX51_PAD_USBH1_DATA6__USBH1_DATA6 0x1e5
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MX51_PAD_USBH1_DATA7__USBH1_DATA7 0x1e5
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MX51_PAD_USBH1_STP__USBH1_STP 0x1e5
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>;
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};
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pinctrl_usbh1_vbus: usbh1-vbusgrp {
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fsl,pins = <
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MX51_PAD_EIM_CS3__GPIO2_28 0x1f5
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>;
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};
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};
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};
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&ssi2 {
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codec-handle = <&tlv320aic23>;
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fsl,mode = "i2s-slave";
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status = "okay";
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};
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&uart1 {
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_uart1>;
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fsl,uart-has-rtscts;
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status = "okay";
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};
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&uart3 {
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_uart3 &pinctrl_uart3_rtscts>;
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fsl,uart-has-rtscts;
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status = "okay";
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};
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&usbh1 {
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_usbh1>;
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fsl,usbphy = <&usbh1phy>;
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dr_mode = "host";
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phy_type = "ulpi";
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status = "okay";
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};
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&usbotg {
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dr_mode = "otg";
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phy_type = "utmi_wide";
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status = "okay";
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};
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&usbphy0 {
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_usbh1_vbus>;
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reset-gpios = <&gpio2 28 GPIO_ACTIVE_LOW>;
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};
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