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

Message ID 1512561268-29806-3-git-send-email-narmstrong@baylibre.com (mailing list archive)
State New, archived
Headers show

Commit Message

Neil Armstrong Dec. 6, 2017, 11:54 a.m. UTC 
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 <robh@kernel.org>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
---
 Documentation/devicetree/bindings/display/amlogic,meson-dw-hdmi.txt | 4 ++++
 1 file changed, 4 insertions(+)
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Patch

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