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Date: Tue, 17 Oct 2017 10:07:42 +0200
From: Neil Armstrong <narmstrong@...libre.com>
To: airlied@...ux.ie
Cc: Neil Armstrong <narmstrong@...libre.com>,
dri-devel@...ts.freedesktop.org, linux-amlogic@...ts.infradead.org,
linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
devicetree@...r.kernel.org
Subject: [PATCH 2/4] dt-bindings: display: amlogic,meson-dw-hdmi: Add optional HDMI 5V regulator
On reference boards and derivatives, the HDMI Logic is powered by an external
5V regulator.
This regulator was set by the Vendor U-Boot, add optional support for it.
Signed-off-by: Neil Armstrong <narmstrong@...libre.com>
---
Documentation/devicetree/bindings/display/amlogic,meson-dw-hdmi.txt | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/Documentation/devicetree/bindings/display/amlogic,meson-dw-hdmi.txt b/Documentation/devicetree/bindings/display/amlogic,meson-dw-hdmi.txt
index 7f040ed..bf4a180 100644
--- a/Documentation/devicetree/bindings/display/amlogic,meson-dw-hdmi.txt
+++ b/Documentation/devicetree/bindings/display/amlogic,meson-dw-hdmi.txt
@@ -48,6 +48,10 @@ Required properties:
Documentation/devicetree/bindings/reset/reset.txt,
the reset-names should be "hdmitx_apb", "hdmitx", "hdmitx_phy"
+Optional properties:
+- hdmi-supply: Optional phandle to an external 5V regulator to power the HDMI
+ logic, as described in the file ../regulator/regulator.txt
+
Required nodes:
The connections to the HDMI ports are modeled using the OF graph
--
2.7.4
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