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From:   Alexandru Gagniuc <mr.nuke.me@gmail.com>
To:     dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org
Cc:     sam@ravnborg.org, Alexandru Gagniuc <mr.nuke.me@gmail.com>,
        Rob Herring <robh@kernel.org>, David Airlie <airlied@linux.ie>,
        Daniel Vetter <daniel@ffwll.ch>,
        Rob Herring <robh+dt@kernel.org>,
        Andrzej Hajda <a.hajda@samsung.com>,
        Neil Armstrong <narmstrong@baylibre.com>,
        Laurent Pinchart <Laurent.pinchart@ideasonboard.com>,
        Jonas Karlman <jonas@kwiboo.se>,
        Jernej Skrabec <jernej.skrabec@siol.net>,
        Thomas Bogendoerfer <tsbogend@alpha.franken.de>,
        Mark Brown <broonie@kernel.org>,
        Mauro Carvalho Chehab <mchehab+huawei@kernel.org>,
        linux-kernel@vger.kernel.org (open list)
Subject: [PATCH v3 3/3] dt-bindings: display: sii902x: Add supply bindings
Date:   Tue, 20 Oct 2020 17:14:59 -0500
Message-Id: <20201020221501.260025-3-mr.nuke.me@gmail.com>
In-Reply-To: <20200928173056.1674274-1-mr.nuke.me@gmail.com>
References: <20200928173056.1674274-1-mr.nuke.me@gmail.com>
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The sii902x chip family requires IO and core voltages to reach the
correct voltage before chip initialization. Add binding for describing
the two supplies.

Signed-off-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
Acked-by: Rob Herring <robh@kernel.org>
---
Changes since v1, v2:
  * Nothing. version incremented to stay in sync with sii902x regulator patch
  * Added Rob's acked-by line

 Documentation/devicetree/bindings/display/bridge/sii902x.txt | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Documentation/devicetree/bindings/display/bridge/sii902x.txt b/Documentation/devicetree/bindings/display/bridge/sii902x.txt
index 0d1db3f9da84..02c21b584741 100644
--- a/Documentation/devicetree/bindings/display/bridge/sii902x.txt
+++ b/Documentation/devicetree/bindings/display/bridge/sii902x.txt
@@ -8,6 +8,8 @@ Optional properties:
 	- interrupts: describe the interrupt line used to inform the host
 	  about hotplug events.
 	- reset-gpios: OF device-tree gpio specification for RST_N pin.
+	- iovcc-supply: I/O Supply Voltage (1.8V or 3.3V)
+	- cvcc12-supply: Digital Core Supply Voltage (1.2V)
 
 	HDMI audio properties:
 	- #sound-dai-cells: <0> or <1>. <0> if only i2s or spdif pin
@@ -54,6 +56,8 @@ Example:
 		compatible = "sil,sii9022";
 		reg = <0x39>;
 		reset-gpios = <&pioA 1 0>;
+		iovcc-supply = <&v3v3_hdmi>;
+		cvcc12-supply = <&v1v2_hdmi>;
 
 		#sound-dai-cells = <0>;
 		sil,i2s-data-lanes = < 0 1 2 >;
-- 
2.26.2