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SubjectRe: [PATCH] ARM: dts: aspeed: mtmitchell: Enable NCSI
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On 17/02/2023 11:21, Chanh Nguyen wrote:
> Support the mac3 (RGMII4) as an NC-SI stack instead of an MDIO PHY.
>
> The OCP slot #0 and OCP slot #1 use a common the BMC_NCSI signal,
> so we use only one of them at the same time. The OCP slot #0 will
> be enabled by PCA9539's setting by default.
>
> Also, enable the OCP Auxiliary Power during booting.
>
> Signed-off-by: Chanh Nguyen <chanh@os.amperecomputing.com>
> ---
> .../boot/dts/aspeed-bmc-ampere-mtmitchell.dts | 37 ++++++++++++++++++-
> 1 file changed, 36 insertions(+), 1 deletion(-)
>
> diff --git a/arch/arm/boot/dts/aspeed-bmc-ampere-mtmitchell.dts b/arch/arm/boot/dts/aspeed-bmc-ampere-mtmitchell.dts
> index 4b91600eaf62..e8a6b1f08d6a 100644
> --- a/arch/arm/boot/dts/aspeed-bmc-ampere-mtmitchell.dts
> +++ b/arch/arm/boot/dts/aspeed-bmc-ampere-mtmitchell.dts
> @@ -251,6 +251,14 @@
> pinctrl-0 = <&pinctrl_rgmii1_default>;
> };
>
> +&mac3 {
> + status = "okay";
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_rmii4_default>;
> + clock-names = "MACCLK", "RCLK";
> + use-ncsi;
> +};
> +
> &fmc {
> status = "okay";
> flash@0 {
> @@ -439,6 +447,26 @@
> status = "okay";
> };
>
> +&i2c8 {
> + status = "okay";
> +
> + pca9539@77 {

Node names should be generic, so I believe this is "gpio".
https://devicetree-specification.readthedocs.io/en/latest/chapter2-devicetree-basics.html#generic-names-recommendation

Best regards,
Krzysztof

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