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From: narmstrong@baylibre.com (Neil Armstrong)
To: linus-amlogic@lists.infradead.org
Subject: [PATCH 2/4] dt-bindings: display: amlogic, meson-dw-hdmi: Add optional HDMI 5V regulator
Date: Tue, 17 Oct 2017 10:07:42 +0200	[thread overview]
Message-ID: <1508227664-11171-3-git-send-email-narmstrong@baylibre.com> (raw)
In-Reply-To: <1508227664-11171-1-git-send-email-narmstrong@baylibre.com>

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@baylibre.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

  parent reply	other threads:[~2017-10-17  8:07 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-10-17  8:07 [PATCH 0/4] drm/meson: power domain init related fixes Neil Armstrong
2017-10-17  8:07 ` [PATCH 1/4] dt-bindings: display: amlogic, meson-vpu: Add optional power domain property Neil Armstrong
2017-10-23 22:44   ` Rob Herring
2017-10-17  8:07 ` Neil Armstrong [this message]
2017-10-23 22:46   ` [PATCH 2/4] dt-bindings: display: amlogic, meson-dw-hdmi: Add optional HDMI 5V regulator Rob Herring
2017-10-24  8:09     ` Neil Armstrong
2017-10-24 15:49       ` Rob Herring
2017-10-17  8:07 ` [PATCH 3/4] drm/meson: dw_hdmi: Add support for an optional external " Neil Armstrong
2017-10-17  8:07 ` [PATCH 4/4] drm/meson: Add missing VPU init Neil Armstrong
2017-10-17  9:06 ` [PATCH 0/4] drm/meson: power domain init related fixes Linus Lüssing
2017-10-17  9:07   ` Neil Armstrong

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