On Fri, 2020-11-20 at 07:42 +0800, Chun-Kuang Hu wrote:
> Hi, Chunfeng:
>
> Chunfeng Yun 於 2020年11月18日 週三 下午4:21寫道：
> >
> > Convert HDMI PHY binding to YAML schema mediatek,hdmi-phy.yaml
> >
> > Cc: Chun-Kuang Hu
> > Signed-off-by: Chunfeng Yun
> > Reviewed-by: Rob Herring
> > ---
> > v3: add Reviewed-by Rob
> > v2: fix binding check warning of reg in example
> > ---
> > .../display/mediatek/mediatek,hdmi.txt| 18 +---
> > .../bindings/phy/mediatek,hdmi-phy.yaml | 91 +++
> > 2 files changed, 92 insertions(+), 17 deletions(-)
> > create mode 100644
> > Documentation/devicetree/bindings/phy/mediatek,hdmi-phy.yaml
> >
> > diff --git
> > a/Documentation/devicetree/bindings/display/mediatek/mediatek,hdmi.txt
> > b/Documentation/devicetree/bindings/display/mediatek/mediatek,hdmi.txt
> > index 6b1c586403e4..b284ca51b913 100644
> > --- a/Documentation/devicetree/bindings/display/mediatek/mediatek,hdmi.txt
> > +++ b/Documentation/devicetree/bindings/display/mediatek/mediatek,hdmi.txt
> > @@ -53,23 +53,7 @@ Required properties:
> >
> > HDMI PHY
> >
> > -
> > -The HDMI PHY serializes the HDMI encoder's three channel 10-bit parallel
> > -output and drives the HDMI pads.
> > -
> > -Required properties:
> > -- compatible: "mediatek,-hdmi-phy"
> > -- the supported chips are mt2701, mt7623 and mt8173
> > -- reg: Physical base address and length of the module's registers
> > -- clocks: PLL reference clock
> > -- clock-names: must contain "pll_ref"
> > -- clock-output-names: must be "hdmitx_dig_cts" on mt8173
> > -- #phy-cells: must be <0>
> > -- #clock-cells: must be <0>
> > -
> > -Optional properties:
> > -- mediatek,ibias: TX DRV bias current for <1.65Gbps, defaults to 0xa
> > -- mediatek,ibias_up: TX DRV bias current for >1.65Gbps, defaults to 0x1c
> > +See phy/mediatek,hdmi-phy.yaml
> >
> > Example:
> >
> > diff --git a/Documentation/devicetree/bindings/phy/mediatek,hdmi-phy.yaml
> > b/Documentation/devicetree/bindings/phy/mediatek,hdmi-phy.yaml
> > new file mode 100644
> > index ..96700bb8bc00
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/phy/mediatek,hdmi-phy.yaml
> > @@ -0,0 +1,91 @@
> > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> > +# Copyright (c) 2020 MediaTek
> > +%YAML 1.2
> > +---
> > +$id: http://devicetree.org/schemas/phy/mediatek,hdmi-phy.yaml#
> > +$schema: http://devicetree.org/meta-schemas/core.yaml#
> > +
> > +title: MediaTek High Definition Multimedia Interface (HDMI) PHY binding
> > +
> > +maintainers:
> > + - Chun-Kuang Hu
> > + - Chunfeng Yun
>
> Please add Philipp Zabel because he is Mediatek DRM driver maintainer.
Ok, will do it
Thanks a lot
>
> DRM DRIVERS FOR MEDIATEK
> M: Chun-Kuang Hu
> M: Philipp Zabel
> L: dri-devel at lists.freedesktop.org
> S: Supported
> F: Documentation/devicetree/bindings/display/mediatek/
>
> Regards,
> Chun-Kuang.
>
> > +
> > +description: |
> > + The HDMI PHY serializes the HDMI encoder's three channel 10-bit parallel
> > + output and drives the HDMI pads.
> > +
> > +properties:
> > + $nodename:
> > +pattern: "^hdmi-phy@[0-9a-f]+$"
> > +
> > + compatible:
> > +enum:
> > + - mediatek,mt2701-hdmi-phy
> > + - mediatek,mt7623-hdmi-phy
> > + - mediatek,mt8173-hdmi-phy
> > +
> > + reg:
> > +maxItems: 1
> > +
> > + clocks:
> > +items:
> > + - description: PLL reference clock
> > +
> > + clock-names:
> > +items:
> > + - const: pll_ref
> > +
> > + clock-output-names:
> > +items:
> > + - const: hdmitx_dig_cts
> > +
> > + "#phy-cells":
> > +const: 0
> > +
> > + "#clock-cells":
> > +const: 0
> > +
> > + mediatek,ibias:
> > +description:
> > + TX DRV bias current for < 1.65Gbps
> > +$ref: /schemas/types.yaml#/definitions/uint32
> > +minimum: 0
> > +maximum: 63
> > +default: 0xa
> > +
> > + mediatek,ibias_up:
> > +description:
> > + TX DRV bias current for >= 1.65Gbps
> > +$ref: /schemas/types.yaml#/definitions/uint32
> > +minimum: 0
> > +maximum: 63
> > +default: 0x1c
> > +
> > +required:
> > + - compatible
> > + - reg
> > + - clocks
> > + - clock-names
> > + - clock-output-names
> > + - "#phy-cells"
> > + - "#clock-cells"
> > +
> > +additionalProperties: false
> > +
> > +examples:
> > + - |
> > +#include
> > +hdmi_phy: hdmi-phy@10209100 {
> > +compatible = "mediatek,mt8173-hdmi-phy";
> > +reg = <0x10209100 0x24>;
> > +clocks = < CLK_APMIXED_HDMI_REF>;
> > +clock-names = "pll_ref";
> > +clock-output-names = "hdmitx_dig_cts";
> > +mediatek,ibias = <0xa>;
> > +mediatek,ibias_up = <0x1c>;
> > +#clock-cells = <0>;
> > +#phy-cells = <0>;
> > +};
> > +
> > +...
> > --
> > 2.18.0
> >
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