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Message-ID: <0500c72cd1fd8e0c374dbd85dffc6ead4dad2467.camel@mediatek.com>
Date: Tue, 12 Apr 2022 17:17:17 +0800
From: CK Hu <ck.hu@...iatek.com>
To: <xinlei.lee@...iatek.com>, <chunkuang.hu@...nel.org>,
<p.zabel@...gutronix.de>, <airlied@...ux.ie>, <daniel@...ll.ch>,
<robh+dt@...nel.org>, <matthias.bgg@...il.com>
CC: <devicetree@...r.kernel.org>, <jitao.shi@...iatek.com>,
<linux-kernel@...r.kernel.org>, <dri-devel@...ts.freedesktop.org>,
<Project_Global_Chrome_Upstream_Group@...iatek.com>,
<linux-mediatek@...ts.infradead.org>, <rex-bc.chen@...iatek.com>,
<linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH v4, 1/3] dt-bindings: display: mediatek: dsi: Convert
dsi_dtbinding to .yaml
Hi, Xinlei:
On Sat, 2022-04-09 at 17:11 +0800, xinlei.lee@...iatek.com wrote:
> From: Xinlei Lee <xinlei.lee@...iatek.com>
>
> Convert mediatek,dsi.txt to mediatek,dsi.yaml format
>
> Signed-off-by: Xinlei Lee <xinlei.lee@...iatek.com>
> ---
> .../display/mediatek/mediatek,dsi.txt | 62 ---------
> .../display/mediatek/mediatek,dsi.yaml | 118
> ++++++++++++++++++
> 2 files changed, 118 insertions(+), 62 deletions(-)
> delete mode 100644
> Documentation/devicetree/bindings/display/mediatek/mediatek,dsi.txt
> create mode 100644
> Documentation/devicetree/bindings/display/mediatek/mediatek,dsi.yaml
>
> diff --git
> a/Documentation/devicetree/bindings/display/mediatek/mediatek,dsi.txt
> b/Documentation/devicetree/bindings/display/mediatek/mediatek,dsi.txt
> deleted file mode 100644
> index 36b01458f45c..000000000000
> ---
> a/Documentation/devicetree/bindings/display/mediatek/mediatek,dsi.txt
> +++ /dev/null
> @@ -1,62 +0,0 @@
> -Mediatek DSI Device
> -===================
> -
> -The Mediatek DSI function block is a sink of the display subsystem
> and can
> -drive up to 4-lane MIPI DSI output. Two DSIs can be synchronized for
> dual-
> -channel output.
> -
> -Required properties:
> -- compatible: "mediatek,<chip>-dsi"
> -- the supported chips are mt2701, mt7623, mt8167, 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 "engine", "digital", and "hs"
> -- phys: phandle link to the MIPI D-PHY controller.
> -- phy-names: must contain "dphy"
> -- 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 DSI panel or DSI-to-eDP encoder
> chip.
> -
> -Optional properties:
> -- resets: list of phandle + reset specifier pair, as described in
> [1].
> -
> -[1] Documentation/devicetree/bindings/reset/reset.txt
> -
> -MIPI TX Configuration Module
> -============================
> -
> -See phy/mediatek,dsi-phy.yaml
> -
> -Example:
> -
> -mipi_tx0: mipi-dphy@...15000 {
> - compatible = "mediatek,mt8173-mipi-tx";
> - reg = <0 0x10215000 0 0x1000>;
> - clocks = <&clk26m>;
> - clock-output-names = "mipi_tx0_pll";
> - #clock-cells = <0>;
> - #phy-cells = <0>;
> - drive-strength-microamp = <4600>;
> - nvmem-cells= <&mipi_tx_calibration>;
> - nvmem-cell-names = "calibration-data";
> -};
> -
> -dsi0: dsi@...1b000 {
> - compatible = "mediatek,mt8173-dsi";
> - reg = <0 0x1401b000 0 0x1000>;
> - interrupts = <GIC_SPI 192 IRQ_TYPE_LEVEL_LOW>;
> - clocks = <&mmsys MM_DSI0_ENGINE>, <&mmsys MM_DSI0_DIGITAL>,
> - <&mipi_tx0>;
> - clock-names = "engine", "digital", "hs";
> - resets = <&mmsys MT8173_MMSYS_SW0_RST_B_DISP_DSI0>;
> - phys = <&mipi_tx0>;
> - phy-names = "dphy";
> -
> - port {
> - dsi0_out: endpoint {
> - remote-endpoint = <&panel_in>;
> - };
> - };
> -};
> diff --git
> a/Documentation/devicetree/bindings/display/mediatek/mediatek,dsi.yam
> l
> b/Documentation/devicetree/bindings/display/mediatek/mediatek,dsi.yam
> l
> new file mode 100644
> index 000000000000..431bb981394f
> --- /dev/null
> +++
> b/Documentation/devicetree/bindings/display/mediatek/mediatek,dsi.yam
> l
> @@ -0,0 +1,118 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id:
> https://urldefense.com/v3/__http://devicetree.org/schemas/display/mediatek/mediatek,dsi.yaml*__;Iw!!CTRNKA9wMg0ARbw!1nUf3PGHra5nGo845exNyAn1KxdDMSV2ISukRJ6hQejfVta1JOIVoNEZ5BleoA$
>
> +$schema:
> https://urldefense.com/v3/__http://devicetree.org/meta-schemas/core.yaml*__;Iw!!CTRNKA9wMg0ARbw!1nUf3PGHra5nGo845exNyAn1KxdDMSV2ISukRJ6hQejfVta1JOIVoNHzl2rp1Q$
>
> +
> +title: MediaTek DSI Controller Device Tree Bindings
> +
> +maintainers:
> + - CK Hu <ck.hu@...iatek.com>
Replace 'CK Hu' with MediaTek DRM driver maintainer:
Chun-Kuang Hu <chunkuang.hu@...nel.org>
Philipp Zabel <p.zabel@...gutronix.de>
> + - Jitao Shi <jitao.shi@...iatek.com>
> + - Xinlei Lee <xinlei.lee@...iatek.com>
> +
> +description: |
> + The MediaTek DSI function block is a sink of the display subsystem
> and can
> + drive up to 4-lane MIPI DSI output. Two DSIs can be synchronized
> for dual-
> + channel output.
> +
> +properties:
> + compatible:
> + enum:
> + - mediatek,mt2701-dsi
> + - mediatek,mt7623-dsi
> + - mediatek,mt8167-dsi
> + - mediatek,mt8173-dsi
> + - mediatek,mt8183-dsi
> +
> + reg:
> + maxItems: 1
> +
> + interrupts:
> + maxItems: 1
> +
> + power-domains:
> + maxItems: 1
> +
> + clocks:
> + items:
> + - description: Engine Clock
> + - description: Digital Clock
> + - description: HS Clock
> +
> + clock-names:
> + items:
> + - const: engine
> + - const: digital
> + - const: hs
> +
> + resets:
> + maxItems: 1
> +
> + phys:
> + maxItems: 1
> +
> + phy-names:
> + items:
> + - const: dphy
> +
> + port:
> + $ref: /schemas/graph.yaml#/properties/port
> + description:
> + Output port node. This port should be connected to the input
> + port of an attached DSI panel or DSI-to-eDP encoder chip.
> +
> +
> + "#address-cells":
> + const: 2
> +
> + "#size-cells":
> + const: 2
> +
> +required:
> + - compatible
> + - reg
> + - interrupts
> + - power-domains
> + - clocks
> + - clock-names
> + - phys
> + - phy-names
> + - port
> +
> +additionalProperties: false
> +
> +examples:
> + - |
> + #include <dt-bindings/clock/mt8183-clk.h>
> + #include <dt-bindings/interrupt-controller/arm-gic.h>
> + #include <dt-bindings/interrupt-controller/irq.h>
> + #include <dt-bindings/power/mt8183-power.h>
> + #include <dt-bindings/phy/phy.h>
> + #include <dt-bindings/reset/mt8183-resets.h>
> +
> + soc {
> + #address-cells = <2>;
> + #size-cells = <2>;
> +
> + dsi0: dsi@...14000 {
> + compatible = "mediatek,mt8183-dsi";
> + reg = <0 0x14014000 0 0x1000>;
> + interrupts = <GIC_SPI 236 IRQ_TYPE_LEVEL_LOW>;
> + power-domains = <&spm MT8183_POWER_DOMAIN_DISP>;
> + clocks = <&mmsys CLK_MM_DSI0_MM>,
> + <&mmsys CLK_MM_DSI0_IF>,
> + <&mipi_tx0>;
> + clock-names = "engine", "digital", "hs";
> + resets = <&mmsys MT8183_MMSYS_SW0_RST_B_DISP_DSI0>;
> + phys = <&mipi_tx0>;
> + phy-names = "dphy";
> + port {
> + dsi0_out: endpoint {
> + remote-endpoint = <&panel_in>;
> + };
> + };
> + };
> + };
> +
> +...
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