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ARM: vf-colibri: add SPI support and enable MCP2515 CAN

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MCP2515 CAN controller is available on Colibri Evaluation board.
Hence enable MCP2515 CAN.

Acked-by: Stefan Agner <stefan@agner.ch>
Signed-off-by: Bhuvanchandra DV <bhuvanchandra.dv@toradex.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
This commit is contained in:
Bhuvanchandra DV 2015-01-29 21:57:45 +05:30 committed by Shawn Guo
parent 1b545c172e
commit 9fca015177
2 changed files with 46 additions and 0 deletions
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31
arch/arm/boot/dts/vf-colibri-eval-v3.dtsi
View File

@ -12,6 +12,12 @@ chosen {
bootargs = "console=ttyLP0,115200";
};
clk16m: clk16m {
compatible = "fixed-clock";
#clock-cells = <0>;
clock-frequency = <16000000>;
};
regulators {
compatible = "simple-bus";
#address-cells = <1>;
@ -47,6 +53,21 @@ &bl {
status = "okay";
};
&dspi1 {
status = "okay";
mcp2515can: can@0 {
compatible = "microchip,mcp2515";
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_can_int>;
reg = <0>;
clocks = <&clk16m>;
spi-max-frequency = <10000000>;
interrupt-parent = <&gpio1>;
interrupts = <11 GPIO_ACTIVE_LOW>;
};
};
&esdhc1 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_esdhc1>;
@ -94,3 +115,13 @@ &uart2 {
&usbh1 {
vbus-supply = <&usbh_vbus_reg>;
};
&iomuxc {
vf610-colibri {
pinctrl_can_int: can_int {
fsl,pins = <
VF610_PAD_PTB21__GPIO_43 0x22ed
>;
};
};
};

15
arch/arm/boot/dts/vf-colibri.dtsi
View File

@ -23,6 +23,12 @@ &adc1 {
status = "okay";
};
&dspi1 {
bus-num = <1>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_dspi1>;
};
&edma0 {
status = "okay";
};
@ -107,6 +113,15 @@ VF610_PAD_PTD26__GPIO_68 0x22ed /* EXT_IO_2 */
>;
};
pinctrl_dspi1: dspi1grp {
fsl,pins = <
VF610_PAD_PTD5__DSPI1_CS0 0x33e2
VF610_PAD_PTD6__DSPI1_SIN 0x33e1
VF610_PAD_PTD7__DSPI1_SOUT 0x33e2
VF610_PAD_PTD8__DSPI1_SCK 0x33e2
>;
};
pinctrl_esdhc1: esdhc1grp {
fsl,pins = <
VF610_PAD_PTA24__ESDHC1_CLK 0x31ef