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Message-ID: <20200319183358.GA17237@bogus>
Date: Thu, 19 Mar 2020 12:33:58 -0600
From: Rob Herring <robh@...nel.org>
To: Jitao Shi <jitao.shi@...iatek.com>
Cc: Mark Rutland <mark.rutland@....com>,
Matthias Brugger <matthias.bgg@...il.com>,
Daniel Vetter <daniel@...ll.ch>,
David Airlie <airlied@...ux.ie>,
dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
linux-mediatek@...ts.infradead.org, devicetree@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org, srv_heupstream@...iatek.com,
yingjoe.chen@...iatek.com, eddie.huang@...iatek.com,
cawa.cheng@...iatek.com, bibby.hsieh@...iatek.com,
ck.hu@...iatek.com, stonea168@....com, huijuan.xie@...iatek.com
Subject: Re: [PATCH v13 4/6] dt-bindings: display: mediatek: convert the
document format from txt to yaml
On Wed, Mar 11, 2020 at 03:18:21PM +0800, Jitao Shi wrote:
> Signed-off-by: Jitao Shi <jitao.shi@...iatek.com>
> ---
> .../display/mediatek/mediatek,dpi.txt | 45 --------
> .../display/mediatek/mediatek,dpi.yaml | 103 ++++++++++++++++++
> 2 files changed, 103 insertions(+), 45 deletions(-)
> delete mode 100644 Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.txt
> create mode 100644 Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.yaml
>
> diff --git a/Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.txt b/Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.txt
> deleted file mode 100644
> index 2dfb50a7321e..000000000000
> --- a/Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.txt
> +++ /dev/null
> @@ -1,45 +0,0 @@
> -Mediatek DPI Device
> -===================
> -
> -The Mediatek DPI function block is a sink of the display subsystem and
> -provides 8-bit RGB/YUV444 or 8/10/10-bit YUV422 pixel data on a parallel
> -output bus.
> -
> -Required properties:
> -- compatible: "mediatek,<chip>-dpi"
> - the supported chips are mt2701 , mt8173 and mt8183.
> -- reg: Physical base address and length of the controller's registers
> -- interrupts: The interrupt signal from the function block.
> -- clocks: device clocks
> - See Documentation/devicetree/bindings/clock/clock-bindings.txt for details.
> -- clock-names: must contain "pixel", "engine", and "pll"
> -- port: Output port node with endpoint definitions as described in
> - Documentation/devicetree/bindings/graph.txt. This port should be connected
> - to the input port of an attached HDMI or LVDS encoder chip.
> -
> -Optional properties:
> -- pinctrl-names: Contain "default" and "sleep".
> - pinctrl-names see Documentation/devicetree/bindings/pinctrlpinctrl-bindings.txt
> -- pclk-sample: refer Documentation/devicetree/bindings/media/video-interfaces.txt.
> -
> -Example:
> -
> -dpi0: dpi@...1d000 {
> - compatible = "mediatek,mt8173-dpi";
> - reg = <0 0x1401d000 0 0x1000>;
> - interrupts = <GIC_SPI 194 IRQ_TYPE_LEVEL_LOW>;
> - clocks = <&mmsys CLK_MM_DPI_PIXEL>,
> - <&mmsys CLK_MM_DPI_ENGINE>,
> - <&apmixedsys CLK_APMIXED_TVDPLL>;
> - clock-names = "pixel", "engine", "pll";
> - pinctrl-names = "default", "sleep";
> - pinctrl-0 = <&dpi_pin_func>;
> - pinctrl-1 = <&dpi_pin_idle>;
> -
> - port {
> - dpi0_out: endpoint {
> - pclk-sample = <0>;
> - remote-endpoint = <&hdmi0_in>;
> - };
> - };
> -};
> diff --git a/Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.yaml b/Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.yaml
> new file mode 100644
> index 000000000000..d65543e3bf8c
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.yaml
> @@ -0,0 +1,103 @@
> +# SPDX-License-Identifier: GPL-2.0
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/display/mediatek/mediatek,dpi.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: mediatek DPI Controller Device Tree Bindings
> +
> +maintainers:
> + - CK Hu <ck.hu@...iatek.com>
> + - Jitao shi <jitao.shi@...iatek.com>
> +
> +description: |
> + The Mediatek DPI function block is a sink of the display subsystem and
> + provides 8-bit RGB/YUV444 or 8/10/10-bit YUV422 pixel data on a parallel
> + output bus.
> +
> +properties:
> + compatible:
> + enum:
> + - mediatek,mt2701-dpi
> + - mediatek,mt8173-dpi
> + - mediatek,mt8183-dpi
> +
> + reg:
> + maxItems: 1
> +
> + interrupts:
> + maxItems: 1
> +
> + clocks:
> + items:
> + - description: Pixel Clock
> + - description: Engine Clock
> + - description: DPI PLL
> +
> + clock-names:
> + items:
> + - const: pixel
> + - const: engine
> + - const: pll
> +
> + pinctrl-0: true
> + pinctrl-1: true
> +
> + pinctrl-names:
> + items:
> + - const: default
> + - const: sleep
> +
> + port@0:
> + type: object
> + description:
> + Output port node with endpoint definitions as described in
> + Documentation/devicetree/bindings/graph.txt. This port should be connected
> + to the input port of an attached HDMI or LVDS encoder chip.
> +
> + properties:
> + endpoint:
> + type: object
> +
> + properties:
> + pclk-sample:
> + items:
> + - description: refer Documentation/devicetree/bindings/media/video-interfaces.txt.
This is not an array.
Just 'pclk-sample: true' if both values are allowed or 'const: 0|1' if
only one value is allowed.
> +
> +required:
> + - compatible
> + - reg
> + - interrupts
> + - clocks
> + - clock-names
> + - port@0
> +
> +additionalProperties: false
> +
> +examples:
> + - |
> + #include <dt-bindings/interrupt-controller/arm-gic.h>
> + #include <dt-bindings/clock/mt8173-clk.h>
> + #include <dt-bindings/interrupt-controller/arm-gic.h>
> + #include <dt-bindings/interrupt-controller/irq.h>
> + dpi0: dpi@...1d000 {
> + compatible = "mediatek,mt8173-dpi";
> + reg = <0 0x1401d000 0 0x1000>;
> + interrupts = <GIC_SPI 194 IRQ_TYPE_LEVEL_LOW>;
> + clocks = <&mmsys CLK_MM_DPI_PIXEL>,
> + <&mmsys CLK_MM_DPI_ENGINE>,
> + <&apmixedsys CLK_APMIXED_TVDPLL>;
> + clock-names = "pixel", "engine", "pll";
> + pinctrl-names = "default", "sleep";
> + pinctrl-0 = <&dpi_pin_func>;
> + pinctrl-1 = <&dpi_pin_idle>;
> +
> + port@0 {
> + dpi0_out: endpoint {
> + pclk-sample = <0>;
> + remote-endpoint = <&hdmi0_in>;
> + };
> + };
> + };
> +
> +...
> --
> 2.21.0
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