linux-kernel - Re: [RFC PATCH 3/6] ARM64: dts: exynos5433: add the pcie

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Message-id: <43872be0-191e-2b6d-adcc-3ce0b88b44c7@samsung.com>
Date:   Wed, 28 Dec 2016 07:57:30 +0900
From:   Jaehoon Chung <jh80.chung@...sung.com>
To:     Krzysztof Kozlowski <krzk@...nel.org>
Cc:     linux-pci@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-samsung-soc@...r.kernel.org,
        bhelgaas@...gle.com, robh+dt@...nel.org, mark.rutland@....com,
        kgene@...nel.org, javier@....samsung.com, kishon@...com,
        will.deacon@....com, catalin.marinas@....com, cpgs@...sung.com
Subject: Re: [RFC PATCH 3/6] ARM64: dts: exynos5433: add the pcie_phy node for
 PCIe

On 12/28/2016 01:11 AM, Krzysztof Kozlowski wrote:
> On Mon, Dec 26, 2016 at 02:20:26PM +0900, Jaehoon Chung wrote:
>> To use the generic PHY framework, adds the pcie_phy node.
>>
>> Signed-off-by: Jaehoon Chung <jh80.chung@...sung.com>
>> ---
>>  arch/arm64/boot/dts/exynos/exynos5433.dtsi | 14 ++++++++++++++
>>  1 file changed, 14 insertions(+)
>>
>> diff --git a/arch/arm64/boot/dts/exynos/exynos5433.dtsi b/arch/arm64/boot/dts/exynos/exynos5433.dtsi
>> index 64226d5..2a15f18 100644
>> --- a/arch/arm64/boot/dts/exynos/exynos5433.dtsi
>> +++ b/arch/arm64/boot/dts/exynos/exynos5433.dtsi
>> @@ -805,6 +805,11 @@
>>  			reg = <0x145f0000 0x1038>;
>>  		};
>>  
>> +		syscon_fsys: syscon@...f0000 {
>> +			compatible = "syscon";
>> +			reg = <0x156f0000 0x1044>;
>> +		};
>> +
>>  		gsc_0: video-scaler@...00000 {
>>  			compatible = "samsung,exynos5433-gsc";
>>  			reg = <0x13c00000 0x1000>;
>> @@ -1443,6 +1448,15 @@
>>  				status = "disabled";
>>  			};
>>  		};
>> +
>> +		pcie_phy: pcie-phy@...80000 {
>> +			#phy-cells = <0>;
>> +			compatible = "samsung,exynos5433-pcie-phy";
> 
> Mostly we use the convention of compatible being first property.
> 
>> +			reg = <0x15680000 0x1000>;
>> +			samsung,pmureg-phandle = <&pmu_system_controller>;
>> +			samsung,fsys-sysreg = <&syscon_fsys>;
>> +			status = "okay";
> 
> Why do you need to put status=okay here?

Not need. Will remove.

Best Regards,
Jaehoon Chung

> 
> Best regards,
> Krzysztof
> 
>> +		};
>>  	};
>>  
>>  	timer: timer {
>> -- 
>> 2.10.2
>>
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