linux-kernel - [PATCH 03/12] dt-bindings: display: sun4i-drm: Add DDC power supply

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Message-Id: <20190405234514.6183-4-megous@megous.com>
Date:   Sat,  6 Apr 2019 01:45:05 +0200
From:   megous@...ous.com
To:     linux-sunxi@...glegroups.com,
        Maxime Ripard <maxime.ripard@...tlin.com>,
        Chen-Yu Tsai <wens@...e.org>, Rob Herring <robh+dt@...nel.org>,
        Linus Walleij <linus.walleij@...aro.org>
Cc:     Ondrej Jirman <megous@...ous.com>, David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        Mark Rutland <mark.rutland@....com>,
        Giuseppe Cavallaro <peppe.cavallaro@...com>,
        Alexandre Torgue <alexandre.torgue@...com>,
        Jose Abreu <joabreu@...opsys.com>,
        "David S. Miller" <davem@...emloft.net>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Arend van Spriel <arend.vanspriel@...adcom.com>,
        Franky Lin <franky.lin@...adcom.com>,
        Hante Meuleman <hante.meuleman@...adcom.com>,
        Chi-Hsien Lin <chi-hsien.lin@...ress.com>,
        Wright Feng <wright.feng@...ress.com>,
        Kalle Valo <kvalo@...eaurora.org>,
        Naveen Gupta <naveen.gupta@...ress.com>,
        dri-devel@...ts.freedesktop.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        netdev@...r.kernel.org, linux-stm32@...md-mailman.stormreply.com,
        linux-wireless@...r.kernel.org,
        brcm80211-dev-list.pdl@...adcom.com,
        brcm80211-dev-list@...ress.com, linux-gpio@...r.kernel.org
Subject: [PATCH 03/12] dt-bindings: display: sun4i-drm: Add DDC power supply

From: Ondrej Jirman <megous@...ous.com>

Some Allwinner SoC using boards need to enable a regulator
for the DDC bus to be usable.

Add binding documentation for it.

Signed-off-by: Ondrej Jirman <megous@...ous.com>
---
 Documentation/devicetree/bindings/display/sunxi/sun4i-drm.txt | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Documentation/devicetree/bindings/display/sunxi/sun4i-drm.txt b/Documentation/devicetree/bindings/display/sunxi/sun4i-drm.txt
index 31ab72cba3d4..31474fb92313 100644
--- a/Documentation/devicetree/bindings/display/sunxi/sun4i-drm.txt
+++ b/Documentation/devicetree/bindings/display/sunxi/sun4i-drm.txt
@@ -104,6 +104,7 @@ Required properties:
     output, usually to an HDMI connector.
 
 Optional properties:
+  - ddc-supply: the VCC power supply for the DDC bus
   - hvcc-supply: the VCC power supply of the controller
 
 DWC HDMI PHY
-- 
2.21.0