linux-kernel - Re: [PATCH 2/3] dt-bindings: display: rockchip: Add schema for RK3588 DW DSI2 controller

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Message-ID: <20241106142558.GA3329455-robh@kernel.org>
Date: Wed, 6 Nov 2024 08:25:58 -0600
From: Rob Herring <robh@...nel.org>
To: Heiko Stuebner <heiko@...ech.de>
Cc: andy.yan@...k-chips.com, maarten.lankhorst@...ux.intel.com,
	mripard@...nel.org, tzimmermann@...e.de, krzk+dt@...nel.org,
	conor+dt@...nel.org, andrzej.hajda@...el.com,
	neil.armstrong@...aro.org, rfoss@...nel.org,
	Laurent.pinchart@...asonboard.com, jonas@...boo.se,
	jernej.skrabec@...il.com, dri-devel@...ts.freedesktop.org,
	devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org,
	quentin.schulz@...rry.de, Heiko Stuebner <heiko.stuebner@...rry.de>
Subject: Re: [PATCH 2/3] dt-bindings: display: rockchip: Add schema for
 RK3588 DW DSI2 controller

On Wed, Nov 06, 2024 at 01:33:03PM +0100, Heiko Stuebner wrote:
> From: Heiko Stuebner <heiko.stuebner@...rry.de>
> 
> The Display Serial Interface 2 (DSI-2) is part of a group of communication
> protocols defined by the MIPI Alliance. The RK3588 implements this
> specification in its two MIPI DSI-2 Host Controllers that are based on a
> new Synopsis IP.
> 
> Signed-off-by: Heiko Stuebner <heiko.stuebner@...rry.de>
> ---
>  .../rockchip/rockchip,rk3588-mipi-dsi2.yaml   | 119 ++++++++++++++++++
>  1 file changed, 119 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/display/rockchip/rockchip,rk3588-mipi-dsi2.yaml
> 
> diff --git a/Documentation/devicetree/bindings/display/rockchip/rockchip,rk3588-mipi-dsi2.yaml b/Documentation/devicetree/bindings/display/rockchip/rockchip,rk3588-mipi-dsi2.yaml
> new file mode 100644
> index 000000000000..8fc6b4a63f06
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/display/rockchip/rockchip,rk3588-mipi-dsi2.yaml
> @@ -0,0 +1,119 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/display/rockchip/rockchip,dw-mipi-dsi2.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Rockchip specific extensions to the Synopsys Designware MIPI DSI2
> +
> +maintainers:
> +  - Heiko Stuebner <heiko@...ech.de>
> +
> +properties:
> +  compatible:
> +    enum:
> +      - rockchip,rk3588-mipi-dsi2
> +
> +  reg:
> +    maxItems: 1
> +
> +  interrupts:
> +    maxItems: 1
> +
> +  clocks:
> +    maxItems: 2
> +
> +  clock-names:
> +    items:
> +      - const: pclk
> +      - const: sys
> +
> +  rockchip,grf:
> +    $ref: /schemas/types.yaml#/definitions/phandle
> +    description:
> +      This SoC uses GRF regs to switch between vopl/vopb.
> +
> +  phys:
> +    maxItems: 1
> +
> +  phy-names:
> +    const: dcphy
> +
> +  ports:

Nodes after properties.

> +    $ref: /schemas/graph.yaml#/properties/ports
> +
> +    properties:
> +      port@0:
> +        $ref: /schemas/graph.yaml#/properties/port
> +        description: Input node to receive pixel data.
> +
> +      port@1:
> +        $ref: /schemas/graph.yaml#/properties/port
> +        description: DSI output node to panel.
> +
> +    required:
> +      - port@0
> +      - port@1
> +
> +  power-domains:
> +    maxItems: 1
> +
> +  resets:
> +    maxItems: 1
> +
> +  reset-names:
> +    const: apb
> +
> +required:
> +  - compatible
> +  - clocks
> +  - clock-names
> +  - rockchip,grf
> +  - phys
> +  - phy-names
> +  - ports
> +  - reg
> +
> +allOf:
> +  - $ref: ../dsi-controller.yaml#

Absolute path: /schemas/...

> +
> +unevaluatedProperties: false
> +
> +examples:
> +  - |
> +    #include <dt-bindings/clock/rockchip,rk3588-cru.h>
> +    #include <dt-bindings/interrupt-controller/arm-gic.h>
> +    #include <dt-bindings/interrupt-controller/irq.h>
> +    #include <dt-bindings/power/rk3588-power.h>
> +    #include <dt-bindings/reset/rockchip,rk3588-cru.h>
> +
> +    soc {
> +      #address-cells = <2>;
> +      #size-cells = <2>;
> +
> +      dsi0: dsi@...20000 {

Drop unused labels.

> +        compatible = "rockchip,rk3588-mipi-dsi2";
> +        reg = <0x0 0xfde20000 0x0 0x10000>;
> +        interrupts = <GIC_SPI 167 IRQ_TYPE_LEVEL_HIGH 0>;
> +        clocks = <&cru PCLK_DSIHOST0>, <&cru CLK_DSIHOST0>;
> +        clock-names = "pclk", "sys";
> +        resets = <&cru SRST_P_DSIHOST0>;
> +        reset-names = "apb";
> +        power-domains = <&power RK3588_PD_VOP>;
> +        phys = <&mipidcphy0>;
> +        phy-names = "dcphy";
> +        rockchip,grf = <&vop_grf>;
> +
> +        ports {
> +          #address-cells = <1>;
> +          #size-cells = <0>;
> +          dsi0_in: port@0 {
> +            reg = <0>;
> +          };
> +
> +          dsi0_out: port@1 {
> +            reg = <1>;
> +          };
> +        };
> +      };
> +    };
> -- 
> 2.45.2
>