From: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
To: Alexander Stein <alexander.stein@ew.tq-group.com>,
Rob Herring <robh+dt@kernel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
Shawn Guo <shawnguo@kernel.org>,
Sascha Hauer <s.hauer@pengutronix.de>,
Fabio Estevam <festevam@gmail.com>
Cc: devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
Markus Niebel <Markus.Niebel@tq-group.com>
Subject: Re: (EXT) Re: [PATCH 2/2] arm64: dts: freescale: add initial device tree for TQMa8MPQL with i.MX8MP
Date: Fri, 17 Jun 2022 16:15:35 -0700 [thread overview]
Message-ID: <bb6b5271-1dce-bbd8-eb39-34a5ac550cc4@linaro.org> (raw)
In-Reply-To: <5819581.iIbC2pHGDl@steina-w>
On 17/06/2022 04:21, Alexander Stein wrote:
>> What's this node about? There is no compatible.
>
> As mentioned in the cover letter, some nodes are not used yet. In this case
> the intention is to apply an overlay for enabling the display later on. As the
> MBa8MPxL is a starter kit mainboard there is no fixed display attached. So a
> user might use our supported display or chose his own. But the backlight and
> display are fixed, so anything related to that can be part of the general
> mainboad DTS.
> The display specific overlay will then have (among other things) the following
> snippet:
>
Sure. Could you add such explanation to the comment in DTS next to this
unusual node? This would answer people's question if they wonder about
the display node.
>> &display0 {
>> compatible = "tianma,tm070jvhg33";
>> status = "okay";
>> };
>
> Power supply and enable GPIO are fixed, so there the can be part of the
> mainboard DTS while the actual compatible for the display might change.
>
> I hope this makes this approach a bit more clear and this approach is
> acceptable.
Best regards,
Krzysztof
WARNING: multiple messages have this Message-ID (diff)
From: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
To: Alexander Stein <alexander.stein@ew.tq-group.com>,
Rob Herring <robh+dt@kernel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
Shawn Guo <shawnguo@kernel.org>,
Sascha Hauer <s.hauer@pengutronix.de>,
Fabio Estevam <festevam@gmail.com>
Cc: devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
Markus Niebel <Markus.Niebel@tq-group.com>
Subject: Re: (EXT) Re: [PATCH 2/2] arm64: dts: freescale: add initial device tree for TQMa8MPQL with i.MX8MP
Date: Fri, 17 Jun 2022 16:15:35 -0700 [thread overview]
Message-ID: <bb6b5271-1dce-bbd8-eb39-34a5ac550cc4@linaro.org> (raw)
In-Reply-To: <5819581.iIbC2pHGDl@steina-w>
On 17/06/2022 04:21, Alexander Stein wrote:
>> What's this node about? There is no compatible.
>
> As mentioned in the cover letter, some nodes are not used yet. In this case
> the intention is to apply an overlay for enabling the display later on. As the
> MBa8MPxL is a starter kit mainboard there is no fixed display attached. So a
> user might use our supported display or chose his own. But the backlight and
> display are fixed, so anything related to that can be part of the general
> mainboad DTS.
> The display specific overlay will then have (among other things) the following
> snippet:
>
Sure. Could you add such explanation to the comment in DTS next to this
unusual node? This would answer people's question if they wonder about
the display node.
>> &display0 {
>> compatible = "tianma,tm070jvhg33";
>> status = "okay";
>> };
>
> Power supply and enable GPIO are fixed, so there the can be part of the
> mainboard DTS while the actual compatible for the display might change.
>
> I hope this makes this approach a bit more clear and this approach is
> acceptable.
Best regards,
Krzysztof
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next prev parent reply other threads:[~2022-06-17 23:16 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-06-16 14:22 [PATCH 0/2] TQMa8MPxL + MBa8MPxL support Alexander Stein
2022-06-16 14:22 ` Alexander Stein
2022-06-16 14:22 ` [PATCH 1/2] dt-bindings: arm: add TQMa8MPxL board Alexander Stein
2022-06-16 14:22 ` Alexander Stein
2022-06-16 21:57 ` Krzysztof Kozlowski
2022-06-16 21:57 ` Krzysztof Kozlowski
2022-06-16 14:22 ` [PATCH 2/2] arm64: dts: freescale: add initial device tree for TQMa8MPQL with i.MX8MP Alexander Stein
2022-06-16 14:22 ` Alexander Stein
2022-06-16 14:26 ` Krzysztof Kozlowski
2022-06-16 14:26 ` Krzysztof Kozlowski
2022-06-17 11:21 ` (EXT) " Alexander Stein
2022-06-17 11:21 ` Alexander Stein
2022-06-17 23:15 ` Krzysztof Kozlowski [this message]
2022-06-17 23:15 ` Krzysztof Kozlowski
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