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ARM: dts: imx51-eukrea-mbimxsd51-baseboard: Add CAN support

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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>
This commit is contained in:
Fabio Estevam 2014-05-10 12:47:35 -03:00 committed by Shawn Guo
parent ec55b15087
commit 75416cfebc
1 changed files with 62 additions and 0 deletions
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62
arch/arm/boot/dts/imx51-eukrea-mbimxsd51-baseboard.dts
View file

@ -24,6 +24,14 @@ / {
model = "Eukrea CPUIMX51";
compatible = "eukrea,mbimxsd51","eukrea,cpuimx51", "fsl,imx51";
clocks {
clk24M: can_clock {
compatible = "fixed-clock";
#clock-cells = <0>;
clock-frequency = <24000000>;
};
};
gpio_keys {
compatible = "gpio-keys";
pinctrl-names = "default";
@ -50,6 +58,23 @@ led1 {
};
};
regulators {
compatible = "simple-bus";
#address-cells = <1>;
#size-cells = <0>;
reg_can: regulator@0 {
compatible = "regulator-fixed";
reg = <0>;
regulator-name = "CAN_RST";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
gpio = <&gpio4 15 GPIO_ACTIVE_HIGH>;
startup-delay-us = <20000>;
enable-active-high;
};
};
sound {
compatible = "eukrea,asoc-tlv320";
eukrea,model = "imx51-eukrea-tlv320aic23";
@ -86,6 +111,26 @@ &esdhc1 {
status = "okay";
};
&ecspi1 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_ecspi1>;
fsl,spi-num-chipselects = <1>;
cs-gpios = <&gpio4 24 GPIO_ACTIVE_LOW>;
status = "okay";
can0: can@0 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_can>;
compatible = "microchip,mcp2515";
reg = <0>;
clocks = <&clk24M>;
spi-max-frequency = <10000000>;
interrupt-parent = <&gpio1>;
interrupts = <1 IRQ_TYPE_EDGE_FALLING>;
vdd-supply = <&reg_can>;
};
};
&i2c1 {
tlv320aic23: codec@1a {
compatible = "ti,tlv320aic23";
@ -104,6 +149,23 @@ MX51_PAD_AUD3_BB_FS__AUD3_TXFS 0x80000000
>;
};
pinctrl_can: cangrp {
fsl,pins = <
MX51_PAD_CSI2_PIXCLK__GPIO4_15 0x80000000 /* nReset */
MX51_PAD_GPIO1_1__GPIO1_1 0x80000000 /* IRQ */
>;
};
pinctrl_ecspi1: ecspi1grp {
fsl,pins = <
MX51_PAD_CSPI1_MISO__ECSPI1_MISO 0x185
MX51_PAD_CSPI1_MOSI__ECSPI1_MOSI 0x185
MX51_PAD_CSPI1_SCLK__ECSPI1_SCLK 0x185
MX51_PAD_CSPI1_SS0__GPIO4_24 0x80000000 /* CS0 */
>;
};
pinctrl_esdhc1: esdhc1grp {
fsl,pins = <
MX51_PAD_SD1_CMD__SD1_CMD 0x400020d5