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dt-bindings: allow optional phys in Rockchip dw_hdmi binding

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Some newer Rockchip SoCs use an Innosilicon hdmiphy accessed via general
mmio, so allow these to be referenced via the regular phy interfaces
and therefore add optional phy-related properties to the binding.

Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20180912124740.20343-4-heiko@sntech.de
This commit is contained in:
Heiko Stuebner 2018-09-12 14:47:37 +02:00
parent 96c4704fec
commit 9f891dbe39
1 changed files with 2 additions and 0 deletions
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Documentation/devicetree/bindings/display/rockchip/dw_hdmi-rockchip.txt
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@ -34,6 +34,8 @@ Optional properties
- clock-names: May contain "cec" as defined in dw_hdmi.txt.
- clock-names: May contain "grf", power for grf io.
- clock-names: May contain "vpll", external clock for some hdmi phy.
- phys: from general PHY binding: the phandle for the PHY device.
- phy-names: Should be "hdmi" if phys references an external phy.
Example: