linux-kernel - Re: [STLinux Kernel] [PATCH 3/4] ARM: DT: STi: Add DT node for MiPHY365x

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Message-ID: <537B01E9.8020507@st.com>
Date:	Tue, 20 May 2014 09:19:05 +0200
From:	Maxime Coquelin <maxime.coquelin@...com>
To:	Lee Jones <lee.jones@...aro.org>
Cc:	<linux-arm-kernel@...ts.infradead.org>,
	<linux-kernel@...r.kernel.org>, <kernel@...inux.com>,
	Srinivas Kandagatla <srinivas.kandagatla@...com>
Subject: Re: [STLinux Kernel] [PATCH 3/4] ARM: DT: STi: Add DT node for MiPHY365x


On 05/19/2014 05:51 PM, Lee Jones wrote:
>>> The MiPHY365x is a Generic PHY which can serve various SATA or PCIe
>>> devices. It has 2 ports which it can use for either; both SATA, both
>>> PCIe or one of each in any configuration.
>>>
>>> Cc: Srinivas Kandagatla <srinivas.kandagatla@...com>
>>> Acked-by: Mark Rutland <mark.rutland@....com>
>>> Acked-by: Alexandre Torgue <alexandre.torgue@...com>
>>> Signed-off-by: Lee Jones <lee.jones@...aro.org>
>>> ---
>>>   arch/arm/boot/dts/stih416-b2020-revE.dts | 22 ++++++++++++++++++++++
>>>   arch/arm/boot/dts/stih416-b2020.dts      |  6 ++++++
>>>   arch/arm/boot/dts/stih416.dtsi           | 14 ++++++++++++++
>>>   3 files changed, 42 insertions(+)
>>>   create mode 100644 arch/arm/boot/dts/stih416-b2020-revE.dts
>>>
>>> diff --git a/arch/arm/boot/dts/stih416-b2020-revE.dts b/arch/arm/boot/dts/stih416-b2020-revE.dts
>>> new file mode 100644
>>> index 0000000..23fdaf7
>>> --- /dev/null
>>> +++ b/arch/arm/boot/dts/stih416-b2020-revE.dts
>>> @@ -0,0 +1,22 @@
>>> +/*
>>> + * Copyright (C) 2014 STMicroelectronics Limited.
>>> + * Author: Lee Jones <lee.jones@...aro.org>
>>> + *
>>> + * This program is free software; you can redistribute it and/or modify
>>> + * it under the terms of the GNU General Public License version 2 as
>>> + * publishhed by the Free Software Foundation.
>>> + */
>>> +/dts-v1/;
>>> +#include "stih416.dtsi"
>>> +#include "stih41x-b2020.dtsi"
>>> +/ {
>>> +        model = "STiH416 B2020 REV-E";
>>> +	compatible = "st,stih416-b2020", "st,stih416";
>>> +
>>> +	soc {
>>> +		miphy365x_phy: miphy365x@...82000 {
>>> +			st,pcie-tx-pol-inv;
>>> +			st,sata-gen = <3>;
>>> +		};
>>> +	};
>>> +};
>> Shouldn't this new board being added in a separate patch?
>
> I certainly can do that, but I don't think that it's necessary?

I think it is, as you introduce a new board.
Moreover, the miphy description being the same as in stih416-b2020.dts, 
so I don't understand why you introduce this board for this feature.


>
>>> diff --git a/arch/arm/boot/dts/stih416-b2020.dts b/arch/arm/boot/dts/stih416-b2020.dts
>>> index 276f28d..172f222 100644
>>> --- a/arch/arm/boot/dts/stih416-b2020.dts
>>> +++ b/arch/arm/boot/dts/stih416-b2020.dts
>>> @@ -13,4 +13,10 @@
>>>   	model = "STiH416 B2020";
>>>   	compatible = "st,stih416", "st,stih416-b2020";
>>>
>>> +	soc {
>>> +		miphy365x_phy: miphy365x@...82000 {
>>> +			st,pcie-tx-pol-inv;
>>> +			st,sata-gen = <3>;
>>> +		};
>>> +	};
>>>   };
>> ...
>
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