From: Maxime Ripard <mripard@kernel.org>
To: Christophe ROULLIER <christophe.roullier@st.com>
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: Fri, 15 Nov 2019 08:50:08 +0100 [thread overview]
Message-ID: <20191115075008.GY4345@gilmour.lan> (raw)
In-Reply-To: <f934df21-ac57-50ad-3e7b-b3b337daabe1@st.com>
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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
Maxime
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next prev parent reply other threads:[~2019-11-15 7:50 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 [this message]
2020-01-09 9:07 ` Christophe ROULLIER
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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