linux-kernel - Re: [PATCH v6 4/6] arm64: dts: Add i.MX8MQ PCIe EP support on EVK board

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Message-ID: <2f833638-346a-5e79-bf39-ee4365794b82@linaro.org>
Date:   Fri, 20 Jan 2023 09:08:55 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Richard Zhu <hongxing.zhu@....com>, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, shawnguo@...nel.org,
        peng.fan@....com, marex@...x.de, marcel.ziswiler@...adex.com,
        tharvey@...eworks.com, frank.li@....com
Cc:     lorenzo.pieralisi@....com, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        kernel@...gutronix.de, linux-imx@....com
Subject: Re: [PATCH v6 4/6] arm64: dts: Add i.MX8MQ PCIe EP support on EVK
 board

On 20/01/2023 06:25, Richard Zhu wrote:
> Add i.MX8MQ PCIe EP support on EVK board.
> 
> Signed-off-by: Richard Zhu <hongxing.zhu@....com>
> ---
>  arch/arm64/boot/dts/freescale/imx8mq-evk.dts | 11 +++++++++++
>  1 file changed, 11 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/freescale/imx8mq-evk.dts b/arch/arm64/boot/dts/freescale/imx8mq-evk.dts
> index 7507548cdb16..c48b94746efb 100644
> --- a/arch/arm64/boot/dts/freescale/imx8mq-evk.dts
> +++ b/arch/arm64/boot/dts/freescale/imx8mq-evk.dts
> @@ -376,6 +376,17 @@ &pcie1 {
>  	status = "okay";
>  };
>  
> +&pcie1_ep {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_pcie1>;
> +	clocks = <&clk IMX8MQ_CLK_PCIE2_ROOT>,
> +		 <&pcie0_refclk>,
> +		 <&clk IMX8MQ_CLK_PCIE2_PHY>,
> +		 <&clk IMX8MQ_CLK_PCIE2_AUX>;
> +	vph-supply = <&vgen5_reg>;
> +	status = "disabled";

Nope, it's useless as disabled.

Best regards,
Krzysztof