From: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
To: Sascha Hauer <s.hauer@pengutronix.de>
Cc: andrew-ct.chen@mediatek.com,
Maxime Ripard <maxime.ripard@free-electrons.com>,
Rob Herring <robh+dt@kernel.org>, Pawel Moll <pawel.moll@arm.com>,
Mark Rutland <mark.rutland@arm.com>,
Ian Campbell <ijc+devicetree@hellion.org.uk>,
Kumar Gala <galak@codeaurora.org>,
Matthias Brugger <matthias.bgg@gmail.com>,
devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org,
srv_heupstream@mediatek.com
Subject: Re: [PATCH 1/3] dt-bindings: add document of mediatek efuse driver
Date: Mon, 26 Oct 2015 10:55:20 +0000 [thread overview]
Message-ID: <562E0698.1000503@linaro.org> (raw)
In-Reply-To: <20151026102344.GD25308@pengutronix.de>
On 26/10/15 10:23, Sascha Hauer wrote:
> On Mon, Oct 26, 2015 at 09:56:14AM +0000, Srinivas Kandagatla wrote:
>>
>>
>> On 16/10/15 09:39, andrew-ct.chen@mediatek.com wrote:
>>> From: Andrew-CT Chen <andrew-ct.chen@mediatek.com>
>>>
>>> Add Mediatek MT8173 EFUSE Devicetree binding file
>>>
>>> Signed-off-by: Andrew-CT Chen <andrew-ct.chen@mediatek.com>
>>
>> Looks good to me, minor comment below.
>>
>> Will queue this for v4.5 once v4.4-rc1 is released.
>>
>>
>>> ---
>>> .../devicetree/bindings/nvmem/mtk-efuse.txt | 36 ++++++++++++++++++++++
>>> 1 file changed, 36 insertions(+)
>>> create mode 100644 Documentation/devicetree/bindings/nvmem/mtk-efuse.txt
>>>
>>> diff --git a/Documentation/devicetree/bindings/nvmem/mtk-efuse.txt b/Documentation/devicetree/bindings/nvmem/mtk-efuse.txt
>>> new file mode 100644
>>> index 0000000..92edc3d
>>> --- /dev/null
>>> +++ b/Documentation/devicetree/bindings/nvmem/mtk-efuse.txt
>>> @@ -0,0 +1,36 @@
>>> += Mediatek MTK-EFUSE device tree bindings =
>>> +
>>> +This binding is intended to represent MTK-EFUSE which is found in most Mediatek SOCs.
>>> +
>>> +Required properties:
>>> +- compatible: should be "mediatek,mt8173-efuse" or "mediatek,mt8135-efuse"
>>
>> Can we make the compatible more generic for mediatek socs? Like
>> "mediatek,efuse" Or are they different in each SOC?
>
> While we can add an additional "mediatek,efuse" compatible we should
> always add the most specific compatible first. Otherwise we cannot
> differentiate between SoCs later without changing the device tree.
Yes, that’s correct.
AFAIK, Ideally the driver should have more generic compatible string
unless there is any SOC specific thing, and DT can still use the order
of specific, generic compatible strings. If not we would end up adding
compatible strings into the driver for every new SOC.
--srini
>
> Sascha
>
next prev parent reply other threads:[~2015-10-26 10:55 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-10-16 8:39 [PATCH 0/3] Mediatek EFUSE Support andrew-ct.chen
2015-10-16 8:39 ` [PATCH 1/3] dt-bindings: add document of mediatek efuse driver andrew-ct.chen
2015-10-26 9:56 ` Srinivas Kandagatla
2015-10-26 10:23 ` Sascha Hauer
2015-10-26 10:55 ` Srinivas Kandagatla [this message]
2015-10-27 5:32 ` andrew-ct chen
2015-10-27 9:27 ` andrew-ct chen
2015-10-16 8:39 ` [PATCH 2/3] nvmem: mediatek: Add Mediatek EFUSE driver andrew-ct.chen
2015-10-26 9:56 ` Srinivas Kandagatla
2015-10-26 10:28 ` Sascha Hauer
2015-10-26 10:39 ` Srinivas Kandagatla
2015-10-27 5:32 ` andrew-ct chen
2015-10-27 9:28 ` andrew-ct chen
2015-10-16 8:39 ` [PATCH 3/3] dts: arm64: Add EFUSE device node andrew-ct.chen
2015-10-19 6:49 ` [PATCH 0/3] Mediatek EFUSE Support Sascha Hauer
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