From: Christophe ROULLIER <christophe.roullier@st.com>
To: Maxime Ripard <mripard@kernel.org>
Cc: "davem@davemloft.net" <davem@davemloft.net>,
"robh+dt@kernel.org" <robh+dt@kernel.org>,
"mark.rutland@arm.com" <mark.rutland@arm.com>,
"martin.blumenstingl@googlemail.com"
<martin.blumenstingl@googlemail.com>,
"alexandru.ardelean@analog.com" <alexandru.ardelean@analog.com>,
"narmstrong@baylibre.com" <narmstrong@baylibre.com>,
"mcoquelin.stm32@gmail.com" <mcoquelin.stm32@gmail.com>,
Alexandre TORGUE <alexandre.torgue@st.com>,
"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
"netdev@vger.kernel.org" <netdev@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"linux-stm32@st-md-mailman.stormreply.com"
<linux-stm32@st-md-mailman.stormreply.com>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>
Subject: Re: [PATCH 1/2] dt-bindings: net: dwmac: increase 'maxItems' for 'clocks', 'clock-names' properties
Date: Thu, 9 Jan 2020 09:07:32 +0000 [thread overview]
Message-ID: <009e8c0e-6a72-7e14-699e-8a897199ae16@st.com> (raw)
In-Reply-To: <20191115075008.GY4345@gilmour.lan>
On 15/11/2019 08:50, Maxime Ripard wrote:
> On Fri, Nov 08, 2019 at 01:02:14PM +0000, Christophe ROULLIER wrote:
>> On 11/8/19 11:42 AM, Maxime Ripard wrote:
>>> Hi,
>>>
>>> On Fri, Nov 08, 2019 at 11:35:25AM +0100, Christophe Roullier wrote:
>>>> This change is needed for some soc based on snps,dwmac, which have
>>>> more than 3 clocks.
>>>>
>>>> Signed-off-by: Christophe Roullier <christophe.roullier@st.com>
>>>> ---
>>>> Documentation/devicetree/bindings/net/snps,dwmac.yaml | 8 +++++++-
>>>> 1 file changed, 7 insertions(+), 1 deletion(-)
>>>>
>>>> diff --git a/Documentation/devicetree/bindings/net/snps,dwmac.yaml b/Documentation/devicetree/bindings/net/snps,dwmac.yaml
>>>> index 4845e29411e4..376a531062c2 100644
>>>> --- a/Documentation/devicetree/bindings/net/snps,dwmac.yaml
>>>> +++ b/Documentation/devicetree/bindings/net/snps,dwmac.yaml
>>>> @@ -27,6 +27,7 @@ select:
>>>> - snps,dwmac-3.710
>>>> - snps,dwmac-4.00
>>>> - snps,dwmac-4.10a
>>>> + - snps,dwmac-4.20a
>>>> - snps,dwxgmac
>>>> - snps,dwxgmac-2.10
>>>>
>>>> @@ -62,6 +63,7 @@ properties:
>>>> - snps,dwmac-3.710
>>>> - snps,dwmac-4.00
>>>> - snps,dwmac-4.10a
>>>> + - snps,dwmac-4.20a
>>>> - snps,dwxgmac
>>>> - snps,dwxgmac-2.10
>>>>
>>>> @@ -87,7 +89,8 @@ properties:
>>>>
>>>> clocks:
>>>> minItems: 1
>>>> - maxItems: 3
>>>> + maxItems: 5
>>>> + additionalItems: true
>>> Those additional clocks should be documented
>>>
>>> Maxime
>> Hi Maxime,
>>
>> The problem it is specific to our soc, so is it possible to
>>
>> propose "optional clock" for 2 extras clocks in snps,dwmac.yaml
>>
>> and "official" description in soc yaml file (stm32-dwmac.yaml) ?
>>
>> clocks:
>> minItems: 1
>> maxItems: 5
>> additionalItems: true
>> items:
>> - description: GMAC main clock
>> - description: Peripheral registers interface clock
>> - description:
>> PTP reference clock. This clock is used for programming the
>> Timestamp Addend Register. If not passed then the system
>> clock will be used and this is fine on some platforms.
>>
>> + - description: optional clock
>>
>> + - description: optional clock
> I guess we'd really need to figure out what those clocks are doing,
> they are probably helpful (and used, under a different name) by
> others.
>
> Hopefully the questions Rob asked will clear that out
Rob, do you have any ideas, suggestions ?
Thanks
> Maxime
next prev parent reply other threads:[~2020-01-09 9:08 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-11-08 10:35 [PATCH 0/2] Convert stm32 dwmac to DT schema Christophe Roullier
2019-11-08 10:35 ` [PATCH 1/2] dt-bindings: net: dwmac: increase 'maxItems' for 'clocks', 'clock-names' properties Christophe Roullier
2019-11-08 10:42 ` Maxime Ripard
2019-11-08 13:02 ` Christophe ROULLIER
2019-11-15 7:50 ` Maxime Ripard
2020-01-09 9:07 ` Christophe ROULLIER [this message]
2020-01-09 21:34 ` Rob Herring
2019-11-08 10:35 ` [PATCH 2/2] dt-bindings: net: dwmac: Convert stm32 dwmac to DT schema Christophe Roullier
2019-11-14 18:22 ` Rob Herring
2020-01-14 11:09 ` Christophe ROULLIER
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