From: robh@kernel.org (Rob Herring)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 2/4] dt-bindings: display: amlogic, meson-dw-hdmi: Add optional HDMI 5V regulator
Date: Mon, 23 Oct 2017 17:46:25 -0500 [thread overview]
Message-ID: <20171023224625.oiswnpgmxzhg7aep@rob-hp-laptop> (raw)
In-Reply-To: <1508227664-11171-3-git-send-email-narmstrong@baylibre.com>
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
next prev parent reply other threads:[~2017-10-23 22:46 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 ` [PATCH 2/4] dt-bindings: display: amlogic, meson-dw-hdmi: Add optional HDMI 5V regulator Neil Armstrong
2017-10-23 22:46 ` Rob Herring [this message]
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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