On 20.07.2021 19:46:39, Aswath Govindraju wrote:
> From: Faiz Abbas <faiz_abbas@ti.com>
> 
> Add support for 14 MCAN controllers in main domain and 2 MCAN controllers
> present in mcu domain. All the MCAN controllers support classic CAN
> messages as well as CAN_FD messages.
> 
> Signed-off-by: Faiz Abbas <faiz_abbas@ti.com>
> Signed-off-by: Aswath Govindraju <a-govindraju@ti.com>
> ---
>  arch/arm64/boot/dts/ti/k3-j721e-main.dtsi     | 196 ++++++++++++++++++
>  .../boot/dts/ti/k3-j721e-mcu-wakeup.dtsi      |  28 +++
>  2 files changed, 224 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/ti/k3-j721e-main.dtsi b/arch/arm64/boot/dts/ti/k3-j721e-main.dtsi
> index cf3482376c1e..4215b8e6785a 100644
> --- a/arch/arm64/boot/dts/ti/k3-j721e-main.dtsi
> +++ b/arch/arm64/boot/dts/ti/k3-j721e-main.dtsi
> @@ -1940,4 +1940,200 @@
>  			bus_freq = <1000000>;
>  		};
>  	};
> +
> +	main_mcan0: can@2701000 {
> +		compatible = "bosch,m_can";
> +		reg = <0x00 0x02701000 0x00 0x200>,
> +		      <0x00 0x02708000 0x00 0x8000>;
> +		reg-names = "m_can", "message_ram";
> +		power-domains = <&k3_pds 156 TI_SCI_PD_EXCLUSIVE>;
> +		clocks = <&k3_clks 156 1>, <&k3_clks 156 0>;
> +		clock-names = "cclk", "hclk";
> +		interrupts = <GIC_SPI 124 IRQ_TYPE_LEVEL_HIGH>,
> +			     <GIC_SPI 125 IRQ_TYPE_LEVEL_HIGH>;
> +		interrupt-names = "int0", "int1";
> +		bosch,mram-cfg = <0x0 0 0 32 0 0 1 1>;

Are you intentionally only enabling 1 TX buffer?

Marc

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