Re: [PATCH 1/4] dt-bindings: media: add mediatek ISP3.0 sensor interface

From: Rob Herring
Date: Wed Jun 28 2023 - 12:13:59 EST

On Wed, Jun 28, 2023 at 04:52:52PM +0200, Julien Stephan wrote:
> From: Louis Kuo <louis.kuo@xxxxxxxxxxxx>
>
> This adds the bindings, for the mediatek ISP3.0 SENINF module embedded in
> some Mediatek SoC, such as the mt8365
>
> Signed-off-by: Louis Kuo <louis.kuo@xxxxxxxxxxxx>
> Signed-off-by: Phi-Bang Nguyen <pnguyen@xxxxxxxxxxxx>
> Signed-off-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
> Signed-off-by: Julien Stephan <jstephan@xxxxxxxxxxxx>
> ---
> .../media/mediatek,mt8365-seninf.yaml | 299 ++++++++++++++++++
> MAINTAINERS | 7 +
> 2 files changed, 306 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/media/mediatek,mt8365-seninf.yaml
>
> diff --git a/Documentation/devicetree/bindings/media/mediatek,mt8365-seninf.yaml b/Documentation/devicetree/bindings/media/mediatek,mt8365-seninf.yaml
> new file mode 100644
> index 000000000000..a54f785bb252
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/media/mediatek,mt8365-seninf.yaml
> @@ -0,0 +1,299 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +# Copyright (c) 2023 MediaTek, BayLibre
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/media/mediatek,mt8365-seninf.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: MediaTek Sensor Interface 3.0
> +
> +maintainers:
> + - Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
> + - Julien Stephan <jstephan@xxxxxxxxxxxx>
> + - Andy Hsieh <andy.hsieh@xxxxxxxxxxxx>
> +
> +description:
> + The ISP3.0 SENINF is the CSI-2 and parallel camera sensor interface found in
> + multiple MediaTek SoCs. It can support up to three physical CSI-2
> + input ports, configured in DPHY (2 or 4 data lanes) or CPHY depending on the soc.
> + On the output side, SENINF can be connected either to CAMSV instance or
> + to the internal ISP. CAMSV is used to bypass the internal ISP processing
> + in order to connect either an external ISP, or a sensor (RAW, YUV).
> +
> +properties:
> + compatible:
> + const: mediatek,mt8365-seninf
> +
> + reg:
> + maxItems: 1
> +
> + interrupts:
> + maxItems: 1
> +
> + power-domains:
> + maxItems: 1
> +
> + clocks:
> + items:
> + - description: Seninf camsys clock
> + - description: Seninf top mux clock
> +
> + clock-names:
> + items:
> + - const: cam_seninf

_seninf is redundant as that is the block name. 'camsys' perhaps based
on the description.

> + - const: top_mux_seninf

top_mux

> +
> + ports:
> + $ref: /schemas/graph.yaml#/properties/ports
> +
> + properties:
> + port@0:
> + $ref: /schemas/graph.yaml#/$defs/port-base
> + unevaluatedProperties: false
> + description: CSI0 or CSI0A port
> +
> + properties:
> + phys:
> + maxItems: 1
> + description: phandle to the PHY connected to CSI0/CSI0A

'port' nodes shouldn't have properties. This goes in the top level.

> +
> + patternProperties:
> + endpoint:
> + $ref: video-interfaces.yaml#
> + unevaluatedProperties: false
> +
> + properties:
> + clock-lanes:
> + maxItems: 1
> + data-lanes:
> + minItems: 1
> + maxItems: 4
> +
> + port@1:
> + $ref: /schemas/graph.yaml#/$defs/port-base
> + unevaluatedProperties: false
> + description: CSI1 port
> +
> + properties:
> + phys:
> + maxItems: 1
> + description: phandle to the PHY connected to CSI1
> +
> + patternProperties:
> + endpoint:
> + $ref: video-interfaces.yaml#
> + unevaluatedProperties: false
> +
> + properties:
> + clock-lanes:
> + maxItems: 1
> + data-lanes:
> + minItems: 1
> + maxItems: 4
> +
> + port@2:
> + $ref: /schemas/graph.yaml#/$defs/port-base
> + unevaluatedProperties: false
> + description: CSI2 port
> +
> + properties:
> + phys:
> + maxItems: 1
> + description: phandle to the PHY connected to CSI2
> +
> + patternProperties:
> + endpoint:
> + $ref: video-interfaces.yaml#
> + unevaluatedProperties: false
> +
> + properties:
> + clock-lanes:
> + maxItems: 1
> + data-lanes:
> + minItems: 1
> + maxItems: 4
> +
> + port@3:
> + $ref: /schemas/graph.yaml#/$defs/port-base
> + unevaluatedProperties: false
> + description: CSI0B port
> +
> + properties:
> + phys:
> + maxItems: 1
> + description: phandle to the PHY connected to CSI0B
> +
> + patternProperties:
> + endpoint:
> + $ref: video-interfaces.yaml#
> + unevaluatedProperties: false
> +
> + properties:
> + clock-lanes:
> + maxItems: 1
> + data-lanes:
> + minItems: 1
> + maxItems: 2
> +
> + port@4:
> + $ref: /schemas/graph.yaml#/$defs/port-base
> + unevaluatedProperties: false
> + description: connection point for cam0
> +
> + patternProperties:
> + endpoint:
> + $ref: video-interfaces.yaml#

Are you using any properties from here? If not, you just need to
reference graph.yaml#/properties/port.

> + unevaluatedProperties: false
> +
> + port@5:
> + $ref: /schemas/graph.yaml#/$defs/port-base
> + unevaluatedProperties: false
> + description: connection point for cam1
> +
> + patternProperties:
> + endpoint:
> + $ref: video-interfaces.yaml#
> + unevaluatedProperties: false
> +
> + port@6:
> + $ref: /schemas/graph.yaml#/$defs/port-base
> + unevaluatedProperties: false
> + description: connection point for camsv0
> +
> + patternProperties:
> + endpoint:
> + $ref: video-interfaces.yaml#
> + unevaluatedProperties: false
> +
> + port@7:
> + $ref: /schemas/graph.yaml#/$defs/port-base
> + unevaluatedProperties: false
> + description: connection point for camsv1
> +
> + patternProperties:
> + endpoint:
> + $ref: video-interfaces.yaml#
> + unevaluatedProperties: false
> +
> + port@8:
> + $ref: /schemas/graph.yaml#/$defs/port-base
> + unevaluatedProperties: false
> + description: connection point for camsv2
> +
> + patternProperties:
> + endpoint:
> + $ref: video-interfaces.yaml#
> + unevaluatedProperties: false
> +
> + port@9:
> + $ref: /schemas/graph.yaml#/$defs/port-base
> + unevaluatedProperties: false
> + description: connection point for camsv3
> +
> + patternProperties:
> + endpoint:
> + $ref: video-interfaces.yaml#
> + unevaluatedProperties: false
> +
> + required:
> + - port@0
> + - port@1
> + - port@2
> + - port@3
> + - port@4
> + - port@5
> + - port@6
> + - port@7
> + - port@8
> + - port@9
> +
> +required:
> + - compatible
> + - interrupts
> + - clocks
> + - clock-names
> + - power-domains
> + - ports
> +
> +additionalProperties: false
> +
> +examples:
> + - |
> + #include <dt-bindings/clock/mediatek,mt8365-clk.h>
> + #include <dt-bindings/interrupt-controller/irq.h>
> + #include <dt-bindings/interrupt-controller/arm-gic.h>
> + #include <dt-bindings/phy/phy.h>
> + #include <dt-bindings/power/mediatek,mt8365-power.h>
> +
> + soc {
> + #address-cells = <2>;
> + #size-cells = <2>;
> +
> + seninf: seninf@15040000 {
> + compatible = "mediatek,mt8365-seninf";
> + reg = <0 0x15040000 0 0x6000>;
> + interrupts = <GIC_SPI 210 IRQ_TYPE_LEVEL_LOW>;
> + clocks = <&camsys CLK_CAM_SENIF>,
> + <&topckgen CLK_TOP_SENIF_SEL>;
> + clock-names = "cam_seninf", "top_mux_seninf";
> +
> + power-domains = <&spm MT8365_POWER_DOMAIN_CAM>;
> +
> + ports {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + port@0 {
> + reg = <0>;
> + phys = <&mipi_csi0 PHY_TYPE_DPHY>;
> + seninf_in1: endpoint {
> + clock-lanes = <2>;
> + data-lanes = <1 3 0 4>;
> + remote-endpoint = <&isp1_out>;
> + };
> + };
> +
> + port@1 {
> + reg = <1>;
> + };
> +
> + port@2 {
> + reg = <2>;
> + };
> +
> + port@3 {
> + reg = <3>;
> + };
> +
> + port@4 {
> + reg = <4>;
> + seninf_camsv1_endpoint: endpoint {
> + remote-endpoint = <&camsv1_endpoint>;
> + };
> + };
> +
> + port@5 {
> + reg = <5>;
> + };
> +
> + port@6 {
> + reg = <6>;
> + };
> +
> + port@7 {
> + reg = <7>;
> + };
> +
> + port@8 {
> + reg = <8>;
> + };
> +
> + port@9 {
> + reg = <9>;
> + };
> +
> + };
> + };
> + };
> +
> +...
> diff --git a/MAINTAINERS b/MAINTAINERS
> index e505023ffda1..1248a915a72f 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -13256,6 +13256,13 @@ M: Sean Wang <sean.wang@xxxxxxxxxxxx>
> S: Maintained
> F: drivers/char/hw_random/mtk-rng.c
>
> +MEDIATEK ISP3.0 DRIVER
> +M: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
> +M: Julien Stephan <jstephan@xxxxxxxxxxxx>
> +M: Andy Hsieh <andy.hsieh@xxxxxxxxxxxx>
> +S: Supported
> +F: Documentation/devicetree/bindings/media/mediatek,mt8365-seninf.yaml
> +
> MEDIATEK SMI DRIVER
> M: Yong Wu <yong.wu@xxxxxxxxxxxx>
> L: linux-mediatek@xxxxxxxxxxxxxxxxxxx (moderated for non-subscribers)
> --
> 2.41.0
>