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Date: Mon, 04 Dec 2023 10:33:08 +0100
From: Michael Walle <mwalle@kernel.org>
To: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Cc: Tony Lindgren <tony@atomide.com>, Andrzej Hajda
 <andrzej.hajda@intel.com>, Neil Armstrong <neil.armstrong@linaro.org>,
 Robert Foss <rfoss@kernel.org>, Laurent Pinchart
 <Laurent.pinchart@ideasonboard.com>, Jonas Karlman <jonas@kwiboo.se>, Jernej
 Skrabec <jernej.skrabec@gmail.com>, Maarten Lankhorst
 <maarten.lankhorst@linux.intel.com>, Maxime Ripard <mripard@kernel.org>,
 Thomas Zimmermann <tzimmermann@suse.de>, David Airlie <airlied@gmail.com>,
 Daniel Vetter <daniel@ffwll.ch>, Rob Herring <robh+dt@kernel.org>, Krzysztof
 Kozlowski <krzysztof.kozlowski+dt@linaro.org>, Conor Dooley
 <conor+dt@kernel.org>, Simha BN <simhavcs@gmail.com>, Sam Ravnborg
 <sam@ravnborg.org>, Carl Philipp Klemm <philipp@uvos.xyz>, Ivaylo Dimitrov
 <ivo.g.dimitrov.75@gmail.com>, Merlijn Wajer <merlijn@wizzup.org>, Pavel
 Machek <pavel@ucw.cz>, Sebastian Reichel <sre@kernel.org>,
 dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org
Subject: Re: [PATCH v2 01/10] dt-bindings: display: bridge: tc358775: make
 stby gpio and vdd supplies optional
In-Reply-To: <a7fa155c-39d3-4678-bd38-ea08d5f48adc@linaro.org>
References: <20231202075514.44474-1-tony@atomide.com>
 <20231202075514.44474-2-tony@atomide.com>
 <a7fa155c-39d3-4678-bd38-ea08d5f48adc@linaro.org>
Message-ID: <686bfc416ff8adb5ee73064386a42f11@kernel.org>
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>> For a normal operation, the vdd supplies nor the stby GPIO is needed.
>> There are boards, where these voltages are statically enabled during
>> board power-up.
> 
> This means supply is still required.

You mean using fixed-regulator? I didn't consider that. But yes, you're
right.

-michael