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authorManivannan Sadhasivam <manivannan.sadhasivam@linaro.org>2020-11-27 23:00:44 +0530
committerBjorn Andersson <bjorn.andersson@linaro.org>2020-11-28 20:41:20 -0600
commit5c44c564e4491758124050643f00c6bad9bfbea8 (patch)
tree7709827664e33f2c101a4d2d7b597087ef92132d /arch/arm64/boot/dts/qcom
parent0fc0f4b6aded9ac5316e1c0d49c3813586415e90 (diff)
downloadlinux-5c44c564e4491758124050643f00c6bad9bfbea8.tar.gz
arm64: dts: qcom: qrb5165-rb5: Add support for MCP2518FD
Add support for onboard MCP2518FD SPI CAN transceiver attached to SPI0
of RB5.

Tested-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/20201127173044.55144-1-manivannan.sadhasivam@linaro.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Diffstat (limited to 'arch/arm64/boot/dts/qcom')
-rw-r--r--arch/arm64/boot/dts/qcom/qrb5165-rb5.dts17
1 files changed, 17 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/qcom/qrb5165-rb5.dts b/arch/arm64/boot/dts/qcom/qrb5165-rb5.dts
index d9f52703ba2a..ce22d4fa383e 100644
--- a/arch/arm64/boot/dts/qcom/qrb5165-rb5.dts
+++ b/arch/arm64/boot/dts/qcom/qrb5165-rb5.dts
@@ -25,6 +25,13 @@
 		stdout-path = "serial0:115200n8";
 	};
 
+	/* Fixed crystal oscillator dedicated to MCP2518FD */
+	clk40M: can_clock {
+		compatible = "fixed-clock";
+		#clock-cells = <0>;
+		clock-frequency = <40000000>;
+	};
+
 	dc12v: dc12v-regulator {
 		compatible = "regulator-fixed";
 		regulator-name = "DC12V";
@@ -493,6 +500,16 @@
 /* CAN */
 &spi0 {
 	status = "okay";
+
+	can@0 {
+		compatible = "microchip,mcp2518fd";
+		reg = <0>;
+		clocks = <&clk40M>;
+		interrupts-extended = <&tlmm 15 IRQ_TYPE_LEVEL_LOW>;
+		spi-max-frequency = <10000000>;
+		vdd-supply = <&vdc_5v>;
+		xceiver-supply = <&vdc_5v>;
+	};
 };
 
 &tlmm {