From: Icenowy Zheng <icenowy@aosc.io>
To: linux-arm-kernel@lists.infradead.org,
Maxime Ripard <mripard@kernel.org>,
Jagan Teki <jagan@amarulasolutions.com>
Cc: devicetree@vger.kernel.org, David Airlie <airlied@linux.ie>,
linux-sunxi <linux-sunxi@googlegroups.com>,
dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org,
Chen-Yu Tsai <wens@csie.org>, Daniel Vetter <daniel@ffwll.ch>,
michael@amarulasolutions.com
Subject: Re: [PATCH v11 4/7] dt-bindings: sun6i-dsi: Add VCC-DSI supply property
Date: Thu, 03 Oct 2019 21:04:03 +0800 [thread overview]
Message-ID: <0086CD40-F161-4B33-8D76-8DCA20E7DB07@aosc.io> (raw)
In-Reply-To: <20191003114733.56mlar666l76uoyb@gilmour>
于 2019年10月3日 GMT+08:00 下午7:47:33, Maxime Ripard <mripard@kernel.org> 写到:
>On Thu, Oct 03, 2019 at 12:15:24PM +0530, Jagan Teki wrote:
>> Allwinner MIPI DSI controllers are supplied with SoC DSI
>> power rails via VCC-DSI pin.
>>
>> Some board still work without supplying this but give more
>> faith on datasheet and hardware schematics and document this
>> supply property in required property list.
>>
>> Reviewed-by: Rob Herring <robh@kernel.org>
>> Tested-by: Merlijn Wajer <merlijn@wizzup.org>
>> Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
>> ---
>> .../bindings/display/allwinner,sun6i-a31-mipi-dsi.yaml | 3
>+++
>> 1 file changed, 3 insertions(+)
>>
>> diff --git
>a/Documentation/devicetree/bindings/display/allwinner,sun6i-a31-mipi-dsi.yaml
>b/Documentation/devicetree/bindings/display/allwinner,sun6i-a31-mipi-dsi.yaml
>> index 47950fced28d..9d4c25b104f6 100644
>> ---
>a/Documentation/devicetree/bindings/display/allwinner,sun6i-a31-mipi-dsi.yaml
>> +++
>b/Documentation/devicetree/bindings/display/allwinner,sun6i-a31-mipi-dsi.yaml
>> @@ -36,6 +36,9 @@ properties:
>> resets:
>> maxItems: 1
>>
>> + vcc-dsi-supply:
>> + description: VCC-DSI power supply of the DSI encoder
>> +
>
>The driver treats it as mandatory, so I've added it to the binding, as
>suggested by the commit log.
No. The regulator_get function will return dummy regulator, rather than
fail, if the regulator is not specified.
>
>Maxime
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next prev parent reply other threads:[~2019-10-03 13:04 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-10-03 6:45 [PATCH v11 0/7] drm/sun4i: dsi: Fixes/updates (A33 reworked!) Jagan Teki
2019-10-03 6:45 ` [PATCH v11 1/7] drm/sun4i: dsi: Fix TCON DRQ set bits Jagan Teki
2019-10-03 6:51 ` Icenowy Zheng
2019-10-03 6:55 ` [linux-sunxi] " Jagan Teki
2019-10-03 13:17 ` Maxime Ripard
2019-10-03 15:16 ` Jagan Teki
2019-10-07 11:19 ` Maxime Ripard
2019-10-03 6:45 ` [PATCH v11 2/7] drm/sun4i: dsi: Update start value in video start delay Jagan Teki
2019-10-03 6:52 ` Icenowy Zheng
2019-10-03 6:45 ` [PATCH v11 3/7] drm/sun4i: dsi: Fix video start delay computation Jagan Teki
2019-10-03 6:45 ` [PATCH v11 4/7] dt-bindings: sun6i-dsi: Add VCC-DSI supply property Jagan Teki
2019-10-03 11:47 ` Maxime Ripard
2019-10-03 13:04 ` Icenowy Zheng [this message]
2019-10-03 13:30 ` Maxime Ripard
2019-10-03 6:45 ` [PATCH v11 5/7] drm/sun4i: sun6i_mipi_dsi: Add VCC-DSI regulator support Jagan Teki
2019-10-03 6:55 ` Chen-Yu Tsai
2019-10-03 7:01 ` Jagan Teki
2019-10-03 11:46 ` Maxime Ripard
2019-10-03 6:45 ` [PATCH v11 6/7] drm/panel: Add Bananapi S070WV20-CT16 ICN6211 MIPI-DSI to RGB bridge Jagan Teki
2019-10-03 6:50 ` Jagan Teki
2019-10-03 6:45 ` [PATCH v11 7/7] ARM: dts: sun8i: bananapi-m2m: Enable Bananapi S070WV20-CT16 DSI panel Jagan Teki
2019-10-03 6:50 ` Jagan Teki
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