Patchwork [RESEND,2/4] dt-bindings: display: amlogic, meson-dw-hdmi: Add optional HDMI 5V regulator

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Submitter Neil Armstrong
Date Dec. 6, 2017, 11:54 a.m.
Message ID <>
Download mbox | patch
Permalink /patch/10095687/
State New
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Neil Armstrong - Dec. 6, 2017, 11:54 a.m.
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.

Acked-by: Rob Herring <>
Signed-off-by: Neil Armstrong <>
 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:
   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