[PATCH v6 2/6] arm64: dts: Add i.MX8MM PCIe EP support on EVK board

Hongxing Zhu hongxing.zhu at nxp.com
Sun Jan 29 18:02:33 PST 2023


> -----Original Message-----
> From: Krzysztof Kozlowski <krzysztof.kozlowski at linaro.org>
> Sent: 2023年1月20日 16:09
> To: Hongxing Zhu <hongxing.zhu at nxp.com>; robh+dt at kernel.org;
> krzysztof.kozlowski+dt at linaro.org; shawnguo at kernel.org; Peng Fan
> <peng.fan at nxp.com>; marex at denx.de; Marcel Ziswiler
> <marcel.ziswiler at toradex.com>; tharvey at gateworks.com; Frank Li
> <frank.li at nxp.com>
> Cc: lorenzo.pieralisi at arm.com; devicetree at vger.kernel.org;
> linux-arm-kernel at lists.infradead.org; linux-kernel at vger.kernel.org;
> kernel at pengutronix.de; dl-linux-imx <linux-imx at nxp.com>
> Subject: Re: [PATCH v6 2/6] arm64: dts: Add i.MX8MM PCIe EP support on EVK
> board
> 
> On 20/01/2023 06:25, Richard Zhu wrote:
> > Add i.MX8MM PCIe EP support on EVK board.
> >
> > Signed-off-by: Richard Zhu <hongxing.zhu at nxp.com>
> > ---
> >  arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi | 13 +++++++++++++
> >  1 file changed, 13 insertions(+)
> >
> > diff --git a/arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi
> > b/arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi
> > index 0ce3005d578d..9d65b70939fa 100644
> > --- a/arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi
> > +++ b/arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi
> > @@ -371,6 +371,19 @@ &pcie0 {
> >  	status = "okay";
> >  };
> >
> > +&pcie0_ep{
> > +	pinctrl-names = "default";
> > +	pinctrl-0 = <&pinctrl_pcie0>;
> > +	clocks = <&clk IMX8MM_CLK_PCIE1_ROOT>, <&pcie0_refclk>,
> > +		 <&clk IMX8MM_CLK_PCIE1_AUX>;
> > +	assigned-clocks = <&clk IMX8MM_CLK_PCIE1_AUX>,
> > +			  <&clk IMX8MM_CLK_PCIE1_CTRL>;
> > +	assigned-clock-rates = <10000000>, <250000000>;
> > +	assigned-clock-parents = <&clk IMX8MM_SYS_PLL2_50M>,
> > +				 <&clk IMX8MM_SYS_PLL2_250M>;
> > +	status = "disabled";
> 
> It's already disabled. What are you doing here? Having disabled node is useless,
> so entire patch should be dropped.
Okay, the 2/4/6 patches would be dropped. Thanks.

Best Regards
Richard Zhu
> 
> Best regards,
> Krzysztof



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