[PATCH v2 15/23] arm64: dts: colibri-imx8x: eval: Add spi-to-can

Philippe Schenker dev at pschenker.ch
Tue Mar 14 03:24:01 PDT 2023


From: Philippe Schenker <philippe.schenker at toradex.com>

Add mcp2515 spi-to-can to &lpspi2.

Signed-off-by: Philippe Schenker <philippe.schenker at toradex.com>

---

Changes in v2:
- Change clock-16mhz-fixed to clock-16mhz
- Remove status="okay"

 .../dts/freescale/imx8x-colibri-eval-v3.dtsi   | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx8x-colibri-eval-v3.dtsi b/arch/arm64/boot/dts/freescale/imx8x-colibri-eval-v3.dtsi
index 68e34516961a..14d479b50656 100644
--- a/arch/arm64/boot/dts/freescale/imx8x-colibri-eval-v3.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8x-colibri-eval-v3.dtsi
@@ -11,6 +11,13 @@ aliases {
 		rtc1 = &rtc;
 	};
 
+	/* fixed crystal dedicated to mcp25xx */
+	clk16m: clock-16mhz {
+		compatible = "fixed-clock";
+		#clock-cells = <0>;
+		clock-frequency = <16000000>;
+	};
+
 	gpio-keys {
 		compatible = "gpio-keys";
 		pinctrl-names = "default";
@@ -39,6 +46,17 @@ rtc_i2c: rtc at 68 {
 /* Colibri SPI */
 &lpspi2 {
 	status = "okay";
+
+	mcp2515: can at 0 {
+		compatible = "microchip,mcp2515";
+		reg = <0>;
+		interrupt-parent = <&lsio_gpio3>;
+		interrupts = <13 IRQ_TYPE_EDGE_FALLING>;
+		pinctrl-0 = <&pinctrl_can_int>;
+		pinctrl-names = "default";
+		clocks = <&clk16m>;
+		spi-max-frequency = <10000000>;
+	};
 };
 
 /* Colibri UART_B */
-- 
2.39.2




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