linux-kernel - Re: [PATCH v2 19/19] ARM64: dts: r8a77965: Add EtherAVB device node

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Message-ID: <35959135-cb3b-040a-1944-26845e0c07b0@cogentembedded.com>
Date:   Wed, 21 Feb 2018 20:53:53 +0300
From:   Sergei Shtylyov <sergei.shtylyov@...entembedded.com>
To:     Simon Horman <horms@...ge.net.au>
Cc:     jacopo mondi <jacopo@...ndi.org>,
        Jacopo Mondi <jacopo+renesas@...ndi.org>, geert@...ux-m68k.org,
        magnus.damm@...il.com, robh+dt@...nel.org, mark.rutland@....com,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-renesas-soc@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 19/19] ARM64: dts: r8a77965: Add EtherAVB device node

On 02/21/2018 08:38 PM, Sergei Shtylyov wrote:

>>>>>> Populate the ethernet@...00000 device node to enable Ethernet interface
>>>>>> for R-Car M3-N (r8a77965) SoC.
>>>>>>
>>>>>> Signed-off-by: Jacopo Mondi <jacopo+renesas@...ndi.org>
>>>>>> Reviewed-by: Geert Uytterhoeven <geert+renesas@...der.be>
>>>>>>
>>>>>> ---
>>>>>> v1 -> v2:
>>>>>> - Replace ALWAYS_ON power area identifier with numeric constant
>>>>>> ---
>>>>>>  arch/arm64/boot/dts/renesas/r8a77965.dtsi | 43 ++++++++++++++++++++++++++++++-
>>>>>>  1 file changed, 42 insertions(+), 1 deletion(-)
>>>>>>
>>>>>> diff --git a/arch/arm64/boot/dts/renesas/r8a77965.dtsi b/arch/arm64/boot/dts/renesas/r8a77965.dtsi
>>>>>> index 55f05f7..c249895 100644
>>>>>> --- a/arch/arm64/boot/dts/renesas/r8a77965.dtsi
>>>>>> +++ b/arch/arm64/boot/dts/renesas/r8a77965.dtsi
>>>>>> @@ -520,7 +520,48 @@
>>>>>>  		};
>>>>>>
>>>>>>  		avb: ethernet@...00000 {
>>>>>> -			/* placeholder */
>>>>>> +			compatible = "renesas,etheravb-r8a77965",
>>>>>> +				     "renesas,etheravb-rcar-gen3";
>>>>>> +			reg = <0 0xe6800000 0 0x800>, <0 0xe6a00000 0 0x10000>;
>>>>>> +			interrupts = <GIC_SPI 39 IRQ_TYPE_LEVEL_HIGH>,
>>>>>> +				     <GIC_SPI 40 IRQ_TYPE_LEVEL_HIGH>,
>>>>>> +				     <GIC_SPI 41 IRQ_TYPE_LEVEL_HIGH>,
>>>>>> +				     <GIC_SPI 42 IRQ_TYPE_LEVEL_HIGH>,
>>>>>> +				     <GIC_SPI 43 IRQ_TYPE_LEVEL_HIGH>,
>>>>>> +				     <GIC_SPI 44 IRQ_TYPE_LEVEL_HIGH>,
>>>>>> +				     <GIC_SPI 45 IRQ_TYPE_LEVEL_HIGH>,
>>>>>> +				     <GIC_SPI 46 IRQ_TYPE_LEVEL_HIGH>,
>>>>>> +				     <GIC_SPI 47 IRQ_TYPE_LEVEL_HIGH>,
>>>>>> +				     <GIC_SPI 48 IRQ_TYPE_LEVEL_HIGH>,
>>>>>> +				     <GIC_SPI 49 IRQ_TYPE_LEVEL_HIGH>,
>>>>>> +				     <GIC_SPI 50 IRQ_TYPE_LEVEL_HIGH>,
>>>>>> +				     <GIC_SPI 51 IRQ_TYPE_LEVEL_HIGH>,
>>>>>> +				     <GIC_SPI 52 IRQ_TYPE_LEVEL_HIGH>,
>>>>>> +				     <GIC_SPI 53 IRQ_TYPE_LEVEL_HIGH>,
>>>>>> +				     <GIC_SPI 54 IRQ_TYPE_LEVEL_HIGH>,
>>>>>> +				     <GIC_SPI 55 IRQ_TYPE_LEVEL_HIGH>,
>>>>>> +				     <GIC_SPI 56 IRQ_TYPE_LEVEL_HIGH>,
>>>>>> +				     <GIC_SPI 57 IRQ_TYPE_LEVEL_HIGH>,
>>>>>> +				     <GIC_SPI 58 IRQ_TYPE_LEVEL_HIGH>,
>>>>>> +				     <GIC_SPI 59 IRQ_TYPE_LEVEL_HIGH>,
>>>>>> +				     <GIC_SPI 60 IRQ_TYPE_LEVEL_HIGH>,
>>>>>> +				     <GIC_SPI 61 IRQ_TYPE_LEVEL_HIGH>,
>>>>>> +				     <GIC_SPI 62 IRQ_TYPE_LEVEL_HIGH>,
>>>>>> +				     <GIC_SPI 63 IRQ_TYPE_LEVEL_HIGH>;
>>>>>> +			interrupt-names = "ch0", "ch1", "ch2", "ch3",
>>>>>> +					  "ch4", "ch5", "ch6", "ch7",
>>>>>> +					  "ch8", "ch9", "ch10", "ch11",
>>>>>> +					  "ch12", "ch13", "ch14", "ch15",
>>>>>> +					  "ch16", "ch17", "ch18", "ch19",
>>>>>> +					  "ch20", "ch21", "ch22", "ch23",
>>>>>> +					  "ch24";
>>>>>> +			clocks = <&cpg CPG_MOD 812>;
>>>>>> +			power-domains = <&sysc 32>;
>>>>>> +			resets = <&cpg 812>;
>>>>>> +			phy-mode = "rgmii-txid";
>>>>>
>>>>>    Why not just "rgmii"? TX delay is a board specific detail, no?
>>>>>
>>>> I admit I took this one straight from r8a7796 dtsi.
>>>> Would you like to me resend and change this?
>>>
>>>    Yes, unless Simon would fix it while merging...
>>
>> Can I confirm the desired change is s/rgmii-txid/rgmii/ ?
> 
>    Yes.

   Apparently that means that this prop should be overridden in the board file
(which may not be an easy task given the board is Salvator-XS again).

[...]

MBR, Sergei