linux-kernel - Re: [PATCH 2/2] arm64: dts: ti: k3-am642-phyboard-electra-rdk: Increase CAN max bitrate

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Date: Tue, 2 Apr 2024 11:12:03 -0500
From: Nishanth Menon <nm@...com>
To: Nathan Morrisson <nmorrisson@...tec.com>
CC: <vigneshr@...com>, <kristo@...nel.org>, <robh@...nel.org>,
        <krzysztof.kozlowski+dt@...aro.org>, <conor+dt@...nel.org>,
        <linux-arm-kernel@...ts.infradead.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <upstream@...ts.phytec.de>,
        <w.egorov@...tec.de>
Subject: Re: [PATCH 2/2] arm64: dts: ti: k3-am642-phyboard-electra-rdk:
 Increase CAN max bitrate

On 09:08-20240402, Nathan Morrisson wrote:
> The phyBOARD-Electra has two TCAN1044VDD CAN transceivers which
> support CAN FD at 8 Mbps.
> 
> Increase the maximum bitrate to 8 Mbps.
> 
> Signed-off-by: Nathan Morrisson <nmorrisson@...tec.com>
> ---
>  arch/arm64/boot/dts/ti/k3-am642-phyboard-electra-rdk.dts | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/arch/arm64/boot/dts/ti/k3-am642-phyboard-electra-rdk.dts b/arch/arm64/boot/dts/ti/k3-am642-phyboard-electra-rdk.dts
> index 8237b8c815b8..522699ec65e8 100644
> --- a/arch/arm64/boot/dts/ti/k3-am642-phyboard-electra-rdk.dts
> +++ b/arch/arm64/boot/dts/ti/k3-am642-phyboard-electra-rdk.dts
> @@ -42,7 +42,7 @@ can_tc1: can-phy0 {
>  		pinctrl-names = "default";
>  		pinctrl-0 = <&can_tc1_pins_default>;
>  		#phy-cells = <0>;
> -		max-bitrate = <5000000>;
> +		max-bitrate = <8000000>;
>  		standby-gpios = <&main_gpio0 32 GPIO_ACTIVE_HIGH>;
>  	};
>  
> @@ -51,7 +51,7 @@ can_tc2: can-phy1 {
>  		pinctrl-names = "default";
>  		pinctrl-0 = <&can_tc2_pins_default>;
>  		#phy-cells = <0>;
> -		max-bitrate = <5000000>;
> +		max-bitrate = <8000000>;
>  		standby-gpios = <&main_gpio0 35 GPIO_ACTIVE_HIGH>;
>  	};
>  
> -- 
> 2.25.1
> 

This is better at arch/arm64/boot/dts/ti/k3-am62p-main.dtsi.

-- 
Regards,
Nishanth Menon
Key (0xDDB5849D1736249D) / Fingerprint: F8A2 8693 54EB 8232 17A3  1A34 DDB5 849D 1736 249D