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SubjectRe: [PATCH 2/4] dt-bindings: display: amlogic, meson-dw-hdmi: Add optional HDMI 5V regulator
On Tue, Oct 17, 2017 at 10:07:42AM +0200, Neil Armstrong wrote:
> 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

5V into a modern SoC sounds strange. Is this really for the chip or for
5V to the connector? The latter should be in the connector node.

Rob

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