arm64: dts: qcom: qrb4210-rb2: Enable CAN bus controller

Enable the Microchip mcp2518fd hosted on the SPI5 bus.

Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Reviewed-and-Tested-by: Bhupesh Sharma <bhupesh.sharma@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230515-topic-rb2-bits-v1-5-a52d154a639d@linaro.org

diff --git a/arch/arm64/boot/dts/qcom/qrb4210-rb2.dts b/arch/arm64/boot/dts/qcom/qrb4210-rb2.dts
index 38297dd..e8302b0 100644 (file)
--- a/arch/arm64/boot/dts/qcom/qrb4210-rb2.dts
+++ b/arch/arm64/boot/dts/qcom/qrb4210-rb2.dts
@@ -20,6 +20,14 @@
                stdout-path = "serial0:115200n8";
        };
 
+       clocks {
+               clk40M: can-clk {
+                       compatible = "fixed-clock";
+                       clock-frequency = <40000000>;
+                       #clock-cells = <0>;
+               };
+       };
+
        hdmi-connector {
                compatible = "hdmi-connector";
                type = "a";
@@ -390,6 +398,20 @@
        status = "okay";
 };
 
+&spi5 {
+       status = "okay";
+
+       can@0 {
+               compatible = "microchip,mcp2518fd";
+               reg = <0>;
+               interrupts-extended = <&tlmm 39 IRQ_TYPE_LEVEL_LOW>;
+               clocks = <&clk40M>;
+               spi-max-frequency = <10000000>;
+               vdd-supply = <&vdc_5v>;
+               xceiver-supply = <&vdc_5v>;
+       };
+};
+
 &sleep_clk {
        clock-frequency = <32000>;
 };