Add support for onboard MCP2518FD SPI CAN transceiver attached to SPI0 of RB5.
Signed-off-by: Manivannan Sadhasivam <[email protected]> --- arch/arm64/boot/dts/qcom/qrb5165-rb5.dts | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) 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 @@ chosen { 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 @@ &sdhc_2 { /* 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 { -- 2.25.1
