[PATCH V2] ARM: vf-colibri: add SPI support and enable MCP2515 CAN

Bhuvanchandra DV
2015-01-29T16:27:45Z

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>
---
arch/arm/boot/dts/vf-colibri-eval-v3.dtsi | 31 +++++++++++++++++++++++++++++++
arch/arm/boot/dts/vf-colibri.dtsi | 15 +++++++++++++++
2 files changed, 46 insertions(+)

diff --git a/arch/arm/boot/dts/vf-colibri-eval-v3.dtsi b/arch/arm/boot/dts/vf-colibri-eval-v3.dtsi
index 36cafbf..606753e 100644
--- a/arch/arm/boot/dts/vf-colibri-eval-v3.dtsi
+++ b/arch/arm/boot/dts/vf-colibri-eval-v3.dtsi
@@ -12,6 +12,12 @@
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 @@
status = "okay";
};

+&dspi1 {
+ status = "okay";
+
+ mcp2515can: can at 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 @@
&usbh1 {
vbus-supply = <&usbh_vbus_reg>;
};
+
+&iomuxc {
+ vf610-colibri {
+ pinctrl_can_int: can_int {
+ fsl,pins = <
+ VF610_PAD_PTB21__GPIO_43 0x22ed
+ >;
+ };
+ };
+};
diff --git a/arch/arm/boot/dts/vf-colibri.dtsi b/arch/arm/boot/dts/vf-colibri.dtsi
index 5c2b732..fbef082 100644
--- a/arch/arm/boot/dts/vf-colibri.dtsi
+++ b/arch/arm/boot/dts/vf-colibri.dtsi
@@ -23,6 +23,12 @@
status = "okay";
};

+&dspi1 {
+ bus-num = <1>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_dspi1>;
+};
+
&edma0 {
status = "okay";
};
@@ -107,6 +113,15 @@
>;
};

+ 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
--
2.2.2