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@xxxxxxxxxxxxx> > > 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>; > }; > }; > }; > }; > };
