linux-kernel - Re: [PATCH] arm64: dts: qcom: qrb5165-rb5: Add support for MCP2518FD

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Message-ID: <50c384f5-5557-d0e3-5ab0-31ad7d14632d@linaro.org>
Date:   Sun, 29 Nov 2020 01:54:15 +0300
From:   Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To:     Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>,
        agross@...nel.org, bjorn.andersson@...aro.org
Cc:     linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] arm64: dts: qcom: qrb5165-rb5: Add support for MCP2518FD

On 27/11/2020 20:30, Manivannan Sadhasivam wrote:
> Add support for onboard MCP2518FD SPI CAN transceiver attached to SPI0
> of RB5.
> 
> Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>

Tested-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>

> ---
>   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 {
> 


-- 
With best wishes
Dmitry