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+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/media/nxp,imx8-isi.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: i.MX8 Image Sensing Interface
+
+maintainers:
+ - Laurent Pinchart <laurent.pinchart@ideasonboard.com>
+
+description: |
+ The Image Sensing Interface (ISI) combines image processing pipelines with
+ DMA engines to process and capture frames originating from a variety of
+ sources. The inputs to the ISI go through Pixel Link interfaces, and their
+ number and nature is SoC-dependent. They cover both capture interfaces (MIPI
+ CSI-2 RX, HDMI RX, ...) and display engine outputs for writeback support.
+
+properties:
+ compatible:
+ enum:
+ - fsl,imx8mn-isi
+ - fsl,imx8mp-isi
+ - fsl,imx93-isi
+
+ reg:
+ maxItems: 1
+
+ clocks:
+ items:
+ - description: The AXI clock
+ - description: The APB clock
+ # TODO: Check if the per-channel ipg_proc_clk clocks need to be specified
+ # as well, in case some SoCs have the ability to control them separately.
+ # This may be the case of the i.MX8[DQ]X(P)
+
+ clock-names:
+ items:
+ - const: axi
+ - const: apb
+
+ fsl,blk-ctrl:
+ $ref: /schemas/types.yaml#/definitions/phandle
+ description:
+ A phandle referencing the block control that contains the CSIS to ISI
+ gasket.
+
+ interrupts:
+ description: Processing pipeline interrupts, one per pipeline
+ minItems: 1
+ maxItems: 2
+
+ power-domains:
+ maxItems: 1
+
+ ports:
+ $ref: /schemas/graph.yaml#/properties/ports
+ description: |
+ Ports represent the Pixel Link inputs to the ISI. Their number and
+ assignment are model-dependent. Each port shall have a single endpoint.
+
+required:
+ - compatible
+ - reg
+ - interrupts
+ - clocks
+ - clock-names
+ - fsl,blk-ctrl
+ - ports
+
+allOf:
+ - if:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - fsl,imx8mn-isi
+ - fsl,imx93-isi
+ then:
+ properties:
+ interrupts:
+ maxItems: 1
+ ports:
+ properties:
+ port@0:
+ description: MIPI CSI-2 RX
+ required:
+ - port@0
+
+ - if:
+ properties:
+ compatible:
+ contains:
+ const: fsl,imx8mp-isi
+ then:
+ properties:
+ interrupts:
+ maxItems: 2
+ ports:
+ properties:
+ port@0:
+ description: MIPI CSI-2 RX 0
+ port@1:
+ description: MIPI CSI-2 RX 1
+ required:
+ - port@0
+ - port@1
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/clock/imx8mn-clock.h>
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+ #include <dt-bindings/interrupt-controller/irq.h>
+ #include <dt-bindings/power/imx8mn-power.h>
+
+ isi@32e20000 {
+ compatible = "fsl,imx8mn-isi";
+ reg = <0x32e20000 0x100>;
+ interrupts = <GIC_SPI 16 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&clk IMX8MN_CLK_DISP_AXI_ROOT>,
+ <&clk IMX8MN_CLK_DISP_APB_ROOT>;
+ clock-names = "axi", "apb";
+ fsl,blk-ctrl = <&disp_blk_ctrl>;
+ power-domains = <&disp_blk_ctrl IMX8MN_DISPBLK_PD_ISI>;
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ reg = <0>;
+ isi_in: endpoint {
+ remote-endpoint = <&mipi_csi_out>;
+ };
+ };
+ };
+ };
+
+ - |
+ #include <dt-bindings/clock/imx8mp-clock.h>
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+ #include <dt-bindings/interrupt-controller/irq.h>
+
+ isi@32e00000 {
+ compatible = "fsl,imx8mp-isi";
+ reg = <0x32e00000 0x4000>;
+ interrupts = <GIC_SPI 16 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 42 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&clk IMX8MP_CLK_MEDIA_AXI_ROOT>,
+ <&clk IMX8MP_CLK_MEDIA_APB_ROOT>;
+ clock-names = "axi", "apb";
+ fsl,blk-ctrl = <&media_blk_ctrl>;
+ power-domains = <&mediamix_pd>;
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ reg = <0>;
+ isi_in_0: endpoint {
+ remote-endpoint = <&mipi_csi_0_out>;
+ };
+ };
+
+ port@1 {
+ reg = <1>;
+ isi_in_1: endpoint {
+ remote-endpoint = <&mipi_csi_1_out>;
+ };
+ };
+ };
+ };
+...