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media: dt-bindings: Add qcom,msm8939-camss
Add bindings for qcom,msm8939-camss in order to support the camera subsystem for MSM8939. Signed-off-by: Vincent Knecht <[email protected]>
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‎Documentation/devicetree/bindings/media/qcom,msm8939-camss.yaml

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# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/media/qcom,msm8939-camss.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Qualcomm MSM8939 Camera Subsystem (CAMSS)
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maintainers:
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- Vincent Knecht <[email protected]>
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description:
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The CAMSS IP is a CSI decoder and ISP present on Qualcomm platforms
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properties:
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compatible:
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const: qcom,msm8939-camss
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clocks:
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minItems: 24
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maxItems: 24
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clock-names:
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items:
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- const: top_ahb
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- const: ispif_ahb
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- const: csiphy0_timer
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- const: csiphy1_timer
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- const: csi0_ahb
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- const: csi0
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- const: csi0_phy
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- const: csi0_pix
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- const: csi0_rdi
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- const: csi1_ahb
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- const: csi1
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- const: csi1_phy
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- const: csi1_pix
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- const: csi1_rdi
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- const: csi2_ahb
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- const: csi2
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- const: csi2_phy
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- const: csi2_pix
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- const: csi2_rdi
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- const: ahb
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- const: vfe0
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- const: csi_vfe0
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- const: vfe_ahb
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- const: vfe_axi
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interrupts:
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minItems: 7
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maxItems: 7
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interrupt-names:
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items:
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- const: csiphy0
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- const: csiphy1
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- const: csid0
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- const: csid1
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- const: csid2
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- const: ispif
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- const: vfe0
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iommus:
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maxItems: 1
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power-domains:
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items:
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- description: VFE GDSC - Video Front End, Global Distributed Switch Controller.
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ports:
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$ref: /schemas/graph.yaml#/properties/ports
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description:
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CSI input ports.
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properties:
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port@0:
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$ref: /schemas/graph.yaml#/$defs/port-base
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unevaluatedProperties: false
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description:
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Input port for receiving CSI data.
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properties:
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endpoint:
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$ref: video-interfaces.yaml#
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unevaluatedProperties: false
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properties:
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data-lanes:
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minItems: 1
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maxItems: 4
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bus-type:
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enum:
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- 4 # MEDIA_BUS_TYPE_CSI2_DPHY
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required:
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- data-lanes
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port@1:
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$ref: /schemas/graph.yaml#/$defs/port-base
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unevaluatedProperties: false
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description:
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Input port for receiving CSI data.
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properties:
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endpoint:
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$ref: video-interfaces.yaml#
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unevaluatedProperties: false
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properties:
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data-lanes:
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minItems: 1
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maxItems: 4
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bus-type:
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enum:
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- 4 # MEDIA_BUS_TYPE_CSI2_DPHY
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required:
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- data-lanes
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reg:
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minItems: 11
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maxItems: 11
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reg-names:
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items:
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- const: csiphy0
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- const: csiphy0_clk_mux
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- const: csiphy1
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- const: csiphy1_clk_mux
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- const: csid0
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- const: csid1
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- const: csid2
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- const: ispif
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- const: csi_clk_mux
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- const: vfe0
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- const: vfe0_vbif
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vdda-supply:
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description:
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Definition of the regulator used as analog power supply.
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required:
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- clock-names
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- clocks
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- compatible
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- interrupt-names
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- interrupts
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- iommus
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- power-domains
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- reg
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- reg-names
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- vdda-supply
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additionalProperties: false
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examples:
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- |
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#include <dt-bindings/interrupt-controller/arm-gic.h>
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#include <dt-bindings/clock/qcom,gcc-msm8939.h>
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camss: camss@1b0ac00 {
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compatible = "qcom,msm8939-camss";
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clocks = <&gcc GCC_CAMSS_TOP_AHB_CLK>,
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<&gcc GCC_CAMSS_ISPIF_AHB_CLK>,
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<&gcc GCC_CAMSS_CSI0PHYTIMER_CLK>,
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<&gcc GCC_CAMSS_CSI1PHYTIMER_CLK>,
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<&gcc GCC_CAMSS_CSI0_AHB_CLK>,
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<&gcc GCC_CAMSS_CSI0_CLK>,
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<&gcc GCC_CAMSS_CSI0PHY_CLK>,
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<&gcc GCC_CAMSS_CSI0PIX_CLK>,
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<&gcc GCC_CAMSS_CSI0RDI_CLK>,
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<&gcc GCC_CAMSS_CSI1_AHB_CLK>,
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<&gcc GCC_CAMSS_CSI1_CLK>,
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<&gcc GCC_CAMSS_CSI1PHY_CLK>,
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<&gcc GCC_CAMSS_CSI1PIX_CLK>,
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<&gcc GCC_CAMSS_CSI1RDI_CLK>,
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<&gcc GCC_CAMSS_CSI2_AHB_CLK>,
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<&gcc GCC_CAMSS_CSI2_CLK>,
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<&gcc GCC_CAMSS_CSI2PHY_CLK>,
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<&gcc GCC_CAMSS_CSI2PIX_CLK>,
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<&gcc GCC_CAMSS_CSI2RDI_CLK>,
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<&gcc GCC_CAMSS_AHB_CLK>,
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<&gcc GCC_CAMSS_VFE0_CLK>,
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<&gcc GCC_CAMSS_CSI_VFE0_CLK>,
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<&gcc GCC_CAMSS_VFE_AHB_CLK>,
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<&gcc GCC_CAMSS_VFE_AXI_CLK>;
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clock-names = "top_ahb",
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"ispif_ahb",
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"csiphy0_timer",
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"csiphy1_timer",
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"csi0_ahb",
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"csi0",
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"csi0_phy",
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"csi0_pix",
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"csi0_rdi",
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"csi1_ahb",
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"csi1",
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"csi1_phy",
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"csi1_pix",
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"csi1_rdi",
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"csi2_ahb",
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"csi2",
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"csi2_phy",
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"csi2_pix",
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"csi2_rdi",
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"ahb",
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"vfe0",
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"csi_vfe0",
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"vfe_ahb",
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"vfe_axi";
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interrupts = <GIC_SPI 78 IRQ_TYPE_EDGE_RISING>,
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<GIC_SPI 79 IRQ_TYPE_EDGE_RISING>,
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<GIC_SPI 51 IRQ_TYPE_EDGE_RISING>,
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<GIC_SPI 52 IRQ_TYPE_EDGE_RISING>,
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<GIC_SPI 153 IRQ_TYPE_EDGE_RISING>,
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<GIC_SPI 55 IRQ_TYPE_EDGE_RISING>,
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<GIC_SPI 57 IRQ_TYPE_EDGE_RISING>;
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interrupt-names = "csiphy0",
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"csiphy1",
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"csid0",
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"csid1",
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"csid2",
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"ispif",
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"vfe0";
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iommus = <&apps_iommu 3>;
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power-domains = <&gcc VFE_GDSC>;
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reg = <0x01b0ac00 0x200>,
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<0x01b00030 0x4>,
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<0x01b0b000 0x200>,
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<0x01b00038 0x4>,
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<0x01b08000 0x100>,
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<0x01b08400 0x100>,
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<0x01b08800 0x100>,
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<0x01b0a000 0x500>,
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<0x01b00020 0x10>,
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<0x01b10000 0x1000>,
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<0x01b40000 0x200>;
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reg-names = "csiphy0",
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"csiphy0_clk_mux",
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"csiphy1",
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"csiphy1_clk_mux",
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"csid0",
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"csid1",
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"csid2",
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"ispif",
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"csi_clk_mux",
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"vfe0",
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"vfe0_vbif";
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vdda-supply = <&reg_2v8>;
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ports {
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#address-cells = <1>;
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#size-cells = <0>;
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};
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};

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