replace common qcom sources with samsung ones
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147
qcom/opensource/camera-devicetree/bindings/msm-cam-tfe.txt
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147
qcom/opensource/camera-devicetree/bindings/msm-cam-tfe.txt
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* Qualcomm Technologies, Inc. MSM Camera TFE
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Camera TFE device provides the definitions for enabling
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the TFE hardware. It also provides the functions for the client
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to control the TFE hardware.
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=======================
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Required Node Structure
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=======================
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The TFE device is described in one level of the device node.
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======================================
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First Level Node - CAM TFE device
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======================================
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Required properties:
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- compatible
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Usage: required
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Value type: <string>
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Definition: Should specify the compatibility string for matching the
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driver. e.g. "qcom,tfe640", "qcom,tfe530".
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- cell-index
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Usage: required
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Value type: <u32>
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Definition: Should specify the hardware index id.
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- reg-names
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Usage: required
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Value type: <string>
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Definition: Should specify the name of the register block.
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- reg
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Usage: required
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Value type: <u32>
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Definition: Register values.
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- interrupt-names
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Usage: Required
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Value type: <string>
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Definition: Name of the interrupt.
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- interrupts
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Usage: Required
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Value type: <u32>
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Definition: Interrupt associated with TFE HW.
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- regulator-names
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Usage: required
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Value type: <string>
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Definition: Name of the regulator resources for TFE HW.
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- xxxx-supply
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Usage: required
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Value type: <phandle>
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Definition: Regulator reference corresponding to the names listed in
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"regulator-names".
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- clock-names
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Usage: required
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Value type: <string>
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Definition: List of clock names required for TFE HW.
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- clocks
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Usage: required
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Value type: <phandle>
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Definition: List of clocks used for TFE HW.
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- clock-rates
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Usage: required
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Value type: <u32>
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Definition: List of clocks rates.
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- src-clock-name
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Usage: required
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Value type: <string>
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Definition: Source clock name.
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Optional properties:
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- clock-names-option
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Usage: optional
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Value type: <string>
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Definition: Optional clock names.
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- clocks-option
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Usage: required if clock-names-option defined
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Value type: <phandle>
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Definition: List of optinal clocks used for TFE HW.
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- clock-rates-option
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Usage: required if clock-names-option defined
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Value type: <u32>
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Definition: List of clocks rates for optional clocks.
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- clock-control-debugfs
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Usage: optional
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Value type: <string>
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Definition: Enable/Disable clk rate control.
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- qcom,cam-cx-ipeak:
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Usage: optional
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Value type: <phandle bit>
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phandle - phandle of CX Ipeak device node
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bit - Every bit corresponds to a client of CX Ipeak
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Definition: CX Ipeak is a mitigation scheme which throttles camera frequency
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if all the clients are running at their respective threshold
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frequencies to limit CX peak current.
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driver in the relevant register.
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- scl-clk-names:
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Usage: optional
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Value type: <string>
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Definition: Scalable clock names to identify which clocks needs to update
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along with source clock.
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- cam_hw_pid:
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Usage: optional
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Value type: <u32>
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Definition: HW unique Pid values
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Example:
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cam_tfe0: qcom,tfe0@5c6e000{
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cell-index = <0>;
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compatible = "qcom,tfe530";
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reg-names = "tfe0";
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reg = <0x5c6e000 0x5000>;
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reg-cam-base = <0x6e000>;
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interrupt-names = "tfe0";
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interrupts = <GIC_SPI 211 IRQ_TYPE_EDGE_RISING>;
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regulator-names = "camss";
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camss-supply = <&gcc_camss_top_gdsc>;
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clock-names =
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"tfe_clk_src",
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"tfe_clk",
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"tfe_axi_clk";
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clocks =
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<&gcc GCC_CAMSS_TFE_0_CLK_SRC>,
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<&gcc GCC_CAMSS_TFE_0_CLK>,
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<&gcc GCC_CAMSS_AXI_CLK>;
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clock-rates =
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<256000000 0 150000000>,
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<460800000 0 200000000>,
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<576000000 0 300000000>;
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clock-cntl-level = "svs", "svs_l1", "turbo";
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src-clock-name = "tfe_clk_src";
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clock-control-debugfs = "true";
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status = "ok";
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};
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