linux-kernel - Re: [PATCH V10 12/15] arm64: tegra: Enable PCIe slots in P2972-0000 board

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Date:   Thu, 20 Jun 2019 13:01:41 +0200
From:   Thierry Reding <thierry.reding@...il.com>
To:     Vidya Sagar <vidyas@...dia.com>
Cc:     lorenzo.pieralisi@....com, bhelgaas@...gle.com, robh+dt@...nel.org,
        mark.rutland@....com, jonathanh@...dia.com, kishon@...com,
        catalin.marinas@....com, will.deacon@....com, jingoohan1@...il.com,
        gustavo.pimentel@...opsys.com, digetx@...il.com,
        mperttunen@...dia.com, linux-pci@...r.kernel.org,
        devicetree@...r.kernel.org, linux-tegra@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        kthota@...dia.com, mmaddireddy@...dia.com, sagar.tv@...il.com
Subject: Re: [PATCH V10 12/15] arm64: tegra: Enable PCIe slots in P2972-0000
 board

On Wed, Jun 12, 2019 at 03:23:36PM +0530, Vidya Sagar wrote:
> Enable PCIe controller nodes to enable respective PCIe slots on
> P2972-0000 board. Following is the ownership of slots by different
> PCIe controllers.
> Controller-0 : M.2 Key-M slot
> Controller-1 : On-board Marvell eSATA controller
> Controller-3 : M.2 Key-E slot
> 
> Signed-off-by: Vidya Sagar <vidyas@...dia.com>
> ---
> Changes since [v9]:
> * None
> 
> Changes since [v8]:
> * None
> 
> Changes since [v7]:
> * None
> 
> Changes since [v6]:
> * None
> 
> Changes since [v5]:
> * Arranged PCIe nodes in the order of their addresses
> 
> Changes since [v4]:
> * None
> 
> Changes since [v3]:
> * None
> 
> Changes since [v2]:
> * Changed P2U label names to reflect new format that includes 'hsio'/'nvhs'
>   strings to reflect UPHY brick they belong to
> 
> Changes since [v1]:
> * Dropped 'pcie-' from phy-names property strings
> 
>  .../arm64/boot/dts/nvidia/tegra194-p2888.dtsi |  2 +-
>  .../boot/dts/nvidia/tegra194-p2972-0000.dts   | 41 +++++++++++++++++++
>  2 files changed, 42 insertions(+), 1 deletion(-)

Applied to for-5.3/arm64/dt, thanks.

Thierry

> diff --git a/arch/arm64/boot/dts/nvidia/tegra194-p2888.dtsi b/arch/arm64/boot/dts/nvidia/tegra194-p2888.dtsi
> index 9f5810765efc..62e07e1197cc 100644
> --- a/arch/arm64/boot/dts/nvidia/tegra194-p2888.dtsi
> +++ b/arch/arm64/boot/dts/nvidia/tegra194-p2888.dtsi
> @@ -191,7 +191,7 @@
>  						regulator-boot-on;
>  					};
>  
> -					sd3 {
> +					vdd_1v8ao: sd3 {
>  						regulator-name = "VDD_1V8AO";
>  						regulator-min-microvolt = <1800000>;
>  						regulator-max-microvolt = <1800000>;
> diff --git a/arch/arm64/boot/dts/nvidia/tegra194-p2972-0000.dts b/arch/arm64/boot/dts/nvidia/tegra194-p2972-0000.dts
> index 6e6df650a4b0..eb79663b2af8 100644
> --- a/arch/arm64/boot/dts/nvidia/tegra194-p2972-0000.dts
> +++ b/arch/arm64/boot/dts/nvidia/tegra194-p2972-0000.dts
> @@ -167,4 +167,45 @@
>  			};
>  		};
>  	};
> +
> +	pcie@...00000 {
> +		status = "okay";
> +
> +		vddio-pex-ctl-supply = <&vdd_1v8ao>;
> +
> +		phys = <&p2u_hsio_0>;
> +		phy-names = "p2u-0";
> +	};
> +
> +	pcie@...40000 {
> +		status = "okay";
> +
> +		vddio-pex-ctl-supply = <&vdd_1v8ao>;
> +
> +		phys = <&p2u_hsio_7>;
> +		phy-names = "p2u-0";
> +	};
> +
> +	pcie@...80000 {
> +		status = "okay";
> +
> +		vddio-pex-ctl-supply = <&vdd_1v8ao>;
> +
> +		phys = <&p2u_hsio_2>, <&p2u_hsio_3>, <&p2u_hsio_4>,
> +		       <&p2u_hsio_5>;
> +		phy-names = "p2u-0", "p2u-1", "p2u-2", "p2u-3";
> +	};
> +
> +	pcie@...a0000 {
> +		status = "disabled";
> +
> +		vddio-pex-ctl-supply = <&vdd_1v8ao>;
> +
> +		phys = <&p2u_nvhs_0>, <&p2u_nvhs_1>, <&p2u_nvhs_2>,
> +		       <&p2u_nvhs_3>, <&p2u_nvhs_4>, <&p2u_nvhs_5>,
> +		       <&p2u_nvhs_6>, <&p2u_nvhs_7>;
> +
> +		phy-names = "p2u-0", "p2u-1", "p2u-2", "p2u-3", "p2u-4",
> +			    "p2u-5", "p2u-6", "p2u-7";
> +	};
>  };
> -- 
> 2.17.1
> 

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