From: Johan Jonker <jbx6244@gmail.com>
To: helen.koike@collabora.com
Cc: dafna.hirschfeld@collabora.com, devel@driverdev.osuosl.org,
devicetree@vger.kernel.org, ezequiel@collabora.com,
heiko@sntech.de, hverkuil-cisco@xs4all.nl,
karthik.poduval@gmail.com, kernel@collabora.com,
linux-kernel@vger.kernel.org, linux-media@vger.kernel.org,
linux-rockchip@lists.infradead.org, mark.rutland@arm.com,
robh+dt@kernel.org
Subject: Re: [PATCH 2/4] dt-bindings: media: rkisp1: move rockchip-isp1 bindings out of staging
Date: Thu, 2 Apr 2020 13:35:05 +0200 [thread overview]
Message-ID: <7e53ec1e-33bd-3385-40a0-de3fd00ad1a1@gmail.com> (raw)
In-Reply-To: <20200402000234.226466-3-helen.koike@collabora.com>
Hi Helen,
> # SPDX-License-Identifier: (GPL-2.0+ OR MIT)
> %YAML 1.2
> ---
> $id: http://devicetree.org/schemas/media/rockchip-isp1.yaml#
> $schema: http://devicetree.org/meta-schemas/core.yaml#
>
> title: Rockchip SoC Image Signal Processing unit v1
Where do we need 'v1' for? Is there a 'v2'?
>
> maintainers:
> - Helen Koike <helen.koike@collabora.com>
>
> description: |
> Rockchip ISP1 is the Camera interface for the Rockchip series of SoCs
> which contains image processing, scaling, and compression functions.
>
> properties:
> compatible:
> const: rockchip,rk3399-cif-isp
>
> reg:
> maxItems: 1
>
> interrupts:
> maxItems: 1
>
> iommus:
> maxItems: 1
>
> power-domains:
> maxItems: 1
>
> phys:
> maxItems: 1
> description: phandle for the PHY port
>
> phy-names:
> const: dphy
>
> clocks:
> items:
> - description: ISP clock
> - description: ISP AXI clock clock
> - description: ISP AXI clock wrapper clock
> - description: ISP AHB clock clock
> - description: ISP AHB wrapper clock
>
> clock-names:
> items:
> - const: clk_isp
> - const: aclk_isp
> - const: aclk_isp_wrap
> - const: hclk_isp
> - const: hclk_isp_wrap
>
> # See ./video-interfaces.txt for details
> ports:
> type: object
> additionalProperties: false
>
> properties:
> "#address-cells":
> const: 1
>
> "#size-cells":
> const: 0
>
> port@0:
> type: object
> description: connection point for sensors at MIPI-DPHY RX0
> additionalProperties: false
Nothing required here?
>
> properties:
> "#address-cells":
> const: 1
>
> "#size-cells":
> const: 0
>
> reg:
> const: 0
>
> patternProperties:
> endpoint:
> type: object
> additionalProperties: false
>
> properties:
> reg:
> maxItems: 1
>
> data-lanes:
> minItems: 1
> maxItems: 4
>
> remote-endpoint: true
>
> required:
> - port@0
The use of '@0' makes "#address-cells" and "#size-cells" also a requirement.
- "#address-cells"
- "#size-cells"
>
> required:
> - compatible
How about 'reg'?
- reg
> - interrupts
> - clocks
> - clock-names
> - power-domains
> - iommus
> - phys
> - phy-names
> - ports
>
> additionalProperties: false
>
> examples:
> - |
>
> #include <dt-bindings/clock/rk3399-cru.h>
> #include <dt-bindings/interrupt-controller/arm-gic.h>
> #include <dt-bindings/power/rk3399-power.h>
>
> parent0: parent@0 {
> #address-cells = <2>;
> #size-cells = <2>;
>
> isp0: isp0@ff910000 {
> compatible = "rockchip,rk3399-cif-isp";
> reg = <0x0 0xff910000 0x0 0x4000>;
> interrupts = <GIC_SPI 43 IRQ_TYPE_LEVEL_HIGH 0>;
> clocks = <&cru SCLK_ISP0>,
> <&cru ACLK_ISP0>, <&cru ACLK_ISP0_WRAPPER>,
> <&cru HCLK_ISP0>, <&cru HCLK_ISP0_WRAPPER>;
> clock-names = "clk_isp",
> "aclk_isp", "aclk_isp_wrap",
> "hclk_isp", "hclk_isp_wrap";
> power-domains = <&power RK3399_PD_ISP0>;
> iommus = <&isp0_mmu>;
> phys = <&dphy>;
> phy-names = "dphy";
>
> ports {
> #address-cells = <1>;
> #size-cells = <0>;
>
> port@0 {
> #address-cells = <1>;
> #size-cells = <0>;
> reg = <0>;
>
> mipi_in_wcam: endpoint@0 {
> reg = <0>;
> remote-endpoint = <&wcam_out>;
> data-lanes = <1 2>;
> };
>
> mipi_in_ucam: endpoint@1 {
> reg = <1>;
> remote-endpoint = <&ucam_out>;
> data-lanes = <1>;
> };
> };
> };
> };
>
> i2c7: i2c@ff160000 {
> clock-frequency = <400000>;
> #address-cells = <1>;
> #size-cells = <0>;
Incomplete example.
From i2c-rk3x.yaml:
required:
- compatible
- reg
- interrupts
- clocks
- clock-names
>
> wcam: camera@36 {
> compatible = "ovti,ov5695";
> reg = <0x36>;
>
> port {
> wcam_out: endpoint {
> remote-endpoint = <&mipi_in_wcam>;
> data-lanes = <1 2>;
> };
> };
> };
>
> ucam: camera@3c {
> compatible = "ovti,ov2685";
> reg = <0x3c>;
>
> port {
> ucam_out: endpoint {
> remote-endpoint = <&mipi_in_ucam>;
> data-lanes = <1>;
> };
> };
> };
> };
> };
next prev parent reply other threads:[~2020-04-02 11:35 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-02 0:02 [PATCH 0/4] move Rockchip ISP bindings out of staging / add ISP DT nodes for RK3399 Helen Koike
2020-04-02 0:02 ` [PATCH 1/4] dt-bindings: phy: phy-rockchip-dphy-rx0: move rockchip dphy rx0 bindings out of staging Helen Koike
2020-04-02 12:16 ` Johan Jonker
2020-04-02 14:42 ` Helen Koike
2020-04-02 16:17 ` Ezequiel Garcia
2020-04-03 13:00 ` Helen Koike
2020-04-02 0:02 ` [PATCH 2/4] dt-bindings: media: rkisp1: move rockchip-isp1 " Helen Koike
2020-04-02 11:35 ` Johan Jonker [this message]
2020-04-02 14:42 ` Helen Koike
2020-04-02 0:02 ` [PATCH 3/4] arm64: dts: rockchip: add rx0 mipi-phy for rk3399 Helen Koike
2020-04-02 13:48 ` Johan Jonker
2020-04-02 14:31 ` Heiko Stübner
2020-04-02 14:37 ` Johan Jonker
2020-04-02 14:49 ` Heiko Stübner
2020-04-02 14:43 ` Helen Koike
2020-04-02 0:02 ` [PATCH 4/4] arm64: dts: rockchip: add isp0 node " Helen Koike
2020-04-02 17:20 ` Johan Jonker
2020-04-02 19:46 ` Helen Koike
2020-04-02 20:10 ` Johan Jonker
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