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media: dt-bindings: imx7-mipi-csi2: convert bindings to yaml
Convert imx7 mipi csi2 bindings documentation to yaml schema, remove the textual document and update MAINTAINERS entry. Signed-off-by: Rui Miguel Silva <rmfrfs@gmail.com> Reviewed-by: Jacopo Mondi <jacopo+renesas@jmondi.org> Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
This commit is contained in:
Rui Miguel Silva
Mauro Carvalho Chehab
parent
338de94d22
commit
8b7c7828a3
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Freescale i.MX7 Mipi CSI2
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=========================
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mipi_csi2 node
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--------------
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This is the device node for the MIPI CSI-2 receiver core in i.MX7 SoC. It is
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compatible with previous version of Samsung D-phy.
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Required properties:
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- compatible : "fsl,imx7-mipi-csi2";
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- reg : base address and length of the register set for the device;
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- interrupts : should contain MIPI CSIS interrupt;
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- clocks : list of clock specifiers, see
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Documentation/devicetree/bindings/clock/clock-bindings.txt for details;
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- clock-names : must contain "pclk", "wrap" and "phy" entries, matching
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entries in the clock property;
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- power-domains : a phandle to the power domain, see
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Documentation/devicetree/bindings/power/power_domain.txt for details.
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- reset-names : should include following entry "mrst";
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- resets : a list of phandle, should contain reset entry of
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reset-names;
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- phy-supply : from the generic phy bindings, a phandle to a regulator that
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provides power to MIPI CSIS core;
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Optional properties:
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- clock-frequency : The IP's main (system bus) clock frequency in Hz, default
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value when this property is not specified is 166 MHz;
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- fsl,csis-hs-settle : differential receiver (HS-RX) settle time;
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The device node should contain two 'port' child nodes with one child 'endpoint'
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node, according to the bindings defined in:
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Documentation/devicetree/bindings/ media/video-interfaces.txt.
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The following are properties specific to those nodes.
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port node
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---------
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- reg : (required) can take the values 0 or 1, where 0 shall be
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related to the sink port and port 1 shall be the source
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one;
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endpoint node
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-------------
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- data-lanes : (required) an array specifying active physical MIPI-CSI2
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data input lanes and their mapping to logical lanes; this
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shall only be applied to port 0 (sink port), the array's
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content is unused only its length is meaningful,
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in this case the maximum length supported is 2;
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example:
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mipi_csi: mipi-csi@30750000 {
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#address-cells = <1>;
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#size-cells = <0>;
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compatible = "fsl,imx7-mipi-csi2";
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reg = <0x30750000 0x10000>;
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interrupts = <GIC_SPI 25 IRQ_TYPE_LEVEL_HIGH>;
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clocks = <&clks IMX7D_IPG_ROOT_CLK>,
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<&clks IMX7D_MIPI_CSI_ROOT_CLK>,
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<&clks IMX7D_MIPI_DPHY_ROOT_CLK>;
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clock-names = "pclk", "wrap", "phy";
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clock-frequency = <166000000>;
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power-domains = <&pgc_mipi_phy>;
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phy-supply = <®_1p0d>;
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resets = <&src IMX7_RESET_MIPI_PHY_MRST>;
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reset-names = "mrst";
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fsl,csis-hs-settle = <3>;
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port@0 {
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reg = <0>;
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mipi_from_sensor: endpoint {
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remote-endpoint = <&ov2680_to_mipi>;
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data-lanes = <1>;
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};
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};
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port@1 {
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reg = <1>;
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mipi_vc0_to_csi_mux: endpoint {
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remote-endpoint = <&csi_mux_from_mipi_vc0>;
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};
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};
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};
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@ -0,0 +1,173 @@
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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/media/nxp,imx7-mipi-csi2.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: NXP i.MX7 Mipi CSI2
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maintainers:
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- Rui Miguel Silva <rmfrfs@gmail.com>
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description: |
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This is the device node for the MIPI CSI-2 receiver core in i.MX7 soc. It is
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compatible with previous version of samsung d-phy.
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properties:
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compatible:
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const: fsl,imx7-mipi-csi2
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reg:
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maxItems: 1
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interrupts:
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maxItems: 1
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clocks:
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minItems: 3
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maxItems: 3
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clock-names:
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items:
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- const: pclk
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- const: wrap
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- const: phy
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power-domains:
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maxItems: 1
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phy-supply:
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description:
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Phandle to a regulator that provides power to the PHY. This
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regulator will be managed during the PHY power on/off sequence.
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resets:
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maxItems: 1
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reset-names:
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const: mrst
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clock-frequency:
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description:
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The IP main (system bus) clock frequency in Hertz
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default: 166000000
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fsl,csis-hs-settle:
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$ref: /schemas/types.yaml#/definitions/uint32
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description:
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Differential receiver (HS-RX) settle time
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ports:
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type: object
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description:
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A node containing input and output port nodes with endpoint definitions
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as documented in
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Documentation/devicetree/bindings/media/video-interfaces.txt
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properties:
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'#address-cells':
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const: 1
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'#size-cells':
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const: 0
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port@0:
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type: object
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description:
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Input port node, single endpoint describing the CSI-2 transmitter.
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properties:
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reg:
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const: 0
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endpoint:
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type: object
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properties:
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data-lanes:
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$ref: /schemas/types.yaml#/definitions/uint32-array
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description: See ../video-interfaces.txt
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oneOf:
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- items:
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- const: 1
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- items:
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- const: 1
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- const: 2
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remote-endpoint: true
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required:
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- data-lanes
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- remote-endpoint
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additionalProperties: false
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additionalProperties: false
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port@1:
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type: object
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description:
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Output port node
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required:
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- compatible
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- reg
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- interrupts
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- clocks
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- clock-names
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- power-domains
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- phy-supply
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- resets
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- reset-names
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- ports
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additionalProperties: false
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examples:
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- |
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#include <dt-bindings/clock/imx7d-clock.h>
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#include <dt-bindings/interrupt-controller/arm-gic.h>
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#include <dt-bindings/interrupt-controller/irq.h>
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#include <dt-bindings/reset/imx7-reset.h>
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mipi_csi: mipi-csi@30750000 {
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compatible = "fsl,imx7-mipi-csi2";
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reg = <0x30750000 0x10000>;
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interrupts = <GIC_SPI 25 IRQ_TYPE_LEVEL_HIGH>;
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clocks = <&clks IMX7D_IPG_ROOT_CLK>,
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<&clks IMX7D_MIPI_CSI_ROOT_CLK>,
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<&clks IMX7D_MIPI_DPHY_ROOT_CLK>;
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clock-names = "pclk", "wrap", "phy";
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clock-frequency = <166000000>;
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power-domains = <&pgc_mipi_phy>;
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phy-supply = <®_1p0d>;
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resets = <&src IMX7_RESET_MIPI_PHY_MRST>;
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reset-names = "mrst";
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fsl,csis-hs-settle = <3>;
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ports {
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#address-cells = <1>;
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#size-cells = <0>;
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port@0 {
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reg = <0>;
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mipi_from_sensor: endpoint {
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remote-endpoint = <&ov2680_to_mipi>;
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data-lanes = <1>;
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};
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};
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port@1 {
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reg = <1>;
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mipi_vc0_to_csi_mux: endpoint {
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remote-endpoint = <&csi_mux_from_mipi_vc0>;
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};
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};
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};
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};
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...
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@ -10849,8 +10849,8 @@ L: linux-media@vger.kernel.org
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S: Maintained
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T: git git://linuxtv.org/media_tree.git
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F: Documentation/admin-guide/media/imx7.rst
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F: Documentation/devicetree/bindings/media/imx7-mipi-csi2.txt
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F: Documentation/devicetree/bindings/media/nxp,imx7-csi.yaml
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F: Documentation/devicetree/bindings/media/nxp,imx7-mipi-csi2.yaml
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F: drivers/staging/media/imx/imx7-media-csi.c
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F: drivers/staging/media/imx/imx7-mipi-csis.c
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