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Commit 458e662f authored by Ravikishore Pampana's avatar Ravikishore Pampana Committed by Abhilash Kumar
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dt-bindings: camera: Add TFE support 

Camera TFE is new hardware. This change
adds support for the same.

CRs-Fixed: 2545590
Change-Id: I89ce381a83682681a299ef496d5695b303a481b7
parent 2540a3f2

bindings/msm-cam-isp.txt

+1 −1
Original line number Diff line number Diff line
@@ -20,7 +20,7 @@ First Level Node - CAM ISP device 
- arch-compat

  Usage: required

  Value type: <string>

  Definition: Should be "vfe" or "ife".

  Definition: Should be "vfe", "ife" or "tfe".



- ubwc-static-cfg

  Usage: optional

bindings/msm-cam-tfe-csid.txt

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+123 −0
Original line number Diff line number Diff line 
* Qualcomm Technologies, Inc. MSM Camera TFE CSID



Camera TFE CSID device provides the definitions for enabling

the TFE CSID hardware. It also provides the functions for the client

to control the TFE CSID hardware.



=======================

Required Node Structure

=======================

The TFE CSID device is described in one level of the device node.



======================================

First Level Node - CAM TFE CSID device

======================================

- compatible

  Usage: required

  Value type: <string>

  Definition: Should be "qcom,csid530"



- cell-index

  Usage: required

  Value type: <u32>

  Definition: Should specify the hardware index id.



- reg-names

  Usage: required

  Value type: <string>

  Definition: Should be "csid".



- reg

  Usage: required

  Value type: <u32>

  Definition: Register values.



- interrupt-names

  Usage: Required

  Value type: <string>

  Definition: Name of the interrupt.



- interrupts

  Usage: Required

  Value type: <u32>

  Definition: Interrupt associated with TFE CSID HW.



- regulator-names

  Usage: required

  Value type: <string>

  Definition: Name of the regulator resources for TFE CSID HW.



- xxxx-supply

  Usage: required

  Value type: <phandle>

  Definition: Regulator reference corresponding to the names listed in

		"regulator-names".



- clock-names

  Usage: required

  Value type: <string>

  Definition: List of clock names required for TFE CSID HW.



- clocks

  Usage: required

  Value type: <phandle>

  Definition: List of clocks used for TFE CSID HW.



- clock-rates

  Usage: required

  Value type: <u32>

  Definition: List of clocks rates.



- clock-cntl-level

  Usage: required

  Value type: <string>

  Definition: All different clock level node can support.



- src-clock-name

  Usage: required

  Value type: <string>

  Definition: Source clock name.



- clock-control-debugfs

  Usage: optional

  Value type: <string>

  Definition: Enable/Disable clk rate control.



Example:



	qcom,tfe_csid0@5c6e000 {

		cell-index = <0>;

		compatible = "qcom,csid530";

		reg-names = reg-names = "csid", "top", "camnoc";

		reg = <0x5c6e000 0x5000>,

			<0x5c11000 0x1000>,

			<0x5c13000 0x4000>;

		interrupt-names = "csid0";

		interrupts = <GIC_SPI 210 IRQ_TYPE_EDGE_RISING>;

		regulator-names = "camss";

		camss-supply = <&gcc_camss_top_gdsc>;

		clock-names =

			"tfe_csid_clk_src",

			"tfe_csid_clk",

			"cphy_rx_clk_src",

			"tfe_cphy_rx_clk",

			"tfe_clk_src",

			"tfe_clk",

			"tfe_axi_clk";

		clocks =

			<&gcc GCC_CAMSS_TFE_0_CSID_CLK_SRC>,

			<&gcc GCC_CAMSS_TFE_0_CSID_CLK>,

			<&gcc GCC_CAMSS_TFE_CPHY_RX_CLK_SRC>,

			<&gcc GCC_CAMSS_TFE_0_CPHY_RX_CLK>,

			<&gcc GCC_CAMSS_TFE_0_CLK_SRC>,

			<&gcc GCC_CAMSS_TFE_0_CLK>,

			<&gcc GCC_CAMSS_AXI_CLK>;

		clock-rates =

			<240000000 0 0 0 256000000 0 0>,

			<384000000 0 0 0 460800000 0 0>,

			<426400000 0 0 0 576000000 0 0>,

		clock-cntl-level = "svs", "svs_l1", "turbo";

		src-clock-name = "tfe_csid_clk_src";

		clock-control-debugfs = "true";

		status = "ok";

	};

bindings/msm-cam-tfe.txt

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+142 −0
Original line number Diff line number Diff line 
* Qualcomm Technologies, Inc. MSM Camera TFE



Camera TFE device provides the definitions for enabling

the TFE hardware. It also provides the functions for the client

to control the TFE hardware.



=======================

Required Node Structure

=======================

The TFE device is described in one level of the device node.



======================================

First Level Node - CAM TFE device

======================================

Required properties:

- compatible

  Usage: required

  Value type: <string>

  Definition: Should specify the compatibility string for matching the

	driver. e.g. "qcom,tfe530"



- cell-index

  Usage: required

  Value type: <u32>

  Definition: Should specify the hardware index id.



- reg-names

  Usage: required

  Value type: <string>

  Definition: Should specify the name of the register block.



- reg

  Usage: required

  Value type: <u32>

  Definition: Register values.



- interrupt-names

  Usage: Required

  Value type: <string>

  Definition: Name of the interrupt.



- interrupts

  Usage: Required

  Value type: <u32>

  Definition: Interrupt associated with TFE HW.



- regulator-names

  Usage: required

  Value type: <string>

  Definition: Name of the regulator resources for TFE HW.



- xxxx-supply

  Usage: required

  Value type: <phandle>

  Definition: Regulator reference corresponding to the names listed in

	"regulator-names".



- clock-names

  Usage: required

  Value type: <string>

  Definition: List of clock names required for TFE HW.



- clocks

  Usage: required

  Value type: <phandle>

  Definition: List of clocks used for TFE HW.



- clock-rates

  Usage: required

  Value type: <u32>

  Definition: List of clocks rates.



- src-clock-name

  Usage: required

  Value type: <string>

  Definition: Source clock name.



Optional properties:

- clock-names-option

  Usage: optional

  Value type: <string>

  Definition: Optional clock names.



- clocks-option

  Usage: required if clock-names-option defined

  Value type: <phandle>

  Definition: List of optinal clocks used for TFE HW.



- clock-rates-option

  Usage: required if clock-names-option defined

  Value type: <u32>

  Definition: List of clocks rates for optional clocks.



- clock-control-debugfs

  Usage: optional

  Value type: <string>

  Definition: Enable/Disable clk rate control.



- qcom,cam-cx-ipeak:

  Usage: optional

  Value type: <phandle bit>

	phandle - phandle of CX Ipeak device node

	bit     - Every bit corresponds to a client of CX Ipeak

  Definition: CX Ipeak is a mitigation scheme which throttles camera frequency

	if all the clients are running at their respective threshold

	frequencies to limit CX peak current.

	driver in the relevant register.



- scl-clk-names:

  Usage: optional

  Value type: <string>

  Definition: Scalable clock names to identify which clocks needs to update

	along with source clock.



Example:

	cam_tfe0: qcom,tfe0@5c6e000{

		cell-index = <0>;

		compatible = "qcom,tfe530";

		reg-names = "tfe0";

		reg = <0x5c6e000 0x5000>;

		reg-cam-base = <0x6e000>;

		interrupt-names = "tfe0";

		interrupts = <GIC_SPI 211 IRQ_TYPE_EDGE_RISING>;

		regulator-names = "camss";

		camss-supply = <&gcc_camss_top_gdsc>;

		clock-names =

			"tfe_clk_src",

			"tfe_clk",

			"tfe_axi_clk";

		clocks =

			<&gcc GCC_CAMSS_TFE_0_CLK_SRC>,

			<&gcc GCC_CAMSS_TFE_0_CLK>,

			<&gcc GCC_CAMSS_AXI_CLK>;

		clock-rates =

			<256000000 0 150000000>,

			<460800000 0 200000000>,

			<576000000 0 300000000>;

		clock-cntl-level = "svs", "svs_l1", "turbo";

		src-clock-name = "tfe_clk_src";

		clock-control-debugfs = "true";

		status = "ok";

	};
 
 No newline at end of file

bindings/msm-cam-tpg.txt

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+113 −0
Original line number Diff line number Diff line 
* Qualcomm Technologies, Inc. MSM Camera TPG



Camera TPG device provides the definitions for enabling

the TPG hardware. It also provides the functions for the client

to control the TPG hardware.



=======================

Required Node Structure

=======================

The TPG device is described in one level of the device node.



======================================

First Level Node - CAM TPG device

======================================

Required properties:

- compatible

  Usage: required

  Value type: <string>

  Definition: Should specify the compatibility string for matching the

	driver. e.g. "qcom,tpgv1"



- cell-index

  Usage: required

  Value type: <u32>

  Definition: Should specify the hardware index id.



- reg-names

  Usage: required

  Value type: <string>

  Definition: Should specify the name of the register block.



- reg

  Usage: required

  Value type: <u32>

  Definition: Register values.



- interrupt-names

  Usage: Required

  Value type: <string>

  Definition: Name of the interrupt.



- interrupts

  Usage: Required

  Value type: <u32>

  Definition: Interrupt associated with TFE HW.



- regulator-names

  Usage: required

  Value type: <string>

  Definition: Name of the regulator resources for TFE HW.



- xxxx-supply

  Usage: required

  Value type: <phandle>

  Definition: Regulator reference corresponding to the names listed in

	"regulator-names".



- clock-names

  Usage: required

  Value type: <string>

  Definition: List of clock names required for TFE HW.



- clocks

  Usage: required

  Value type: <phandle>

  Definition: List of clocks used for TFE HW.



- clock-rates

  Usage: required

  Value type: <u32>

  Definition: List of clocks rates.



- src-clock-name

  Usage: required

  Value type: <string>

  Definition: Source clock name.



- clock-control-debugfs

  Usage: optional

  Value type: <string>

  Definition: Enable/Disable clk rate control.



- scl-clk-names:

  Usage: optional

  Value type: <string>

  Definition: Scalable clock names to identify which clocks needs to update

	along with source clock.



Example:

	cam_tfe_tpg0: qcom,tpg0@5c66000 {

		cell-index = <0>;

		compatible = "qcom,tpgv1";

		reg-names = "tpg0", "top";

		reg = <0x5c66000 0x400>,

				<0x5c11000 0x1000>;

		reg-cam-base = <0x66000 0x11000>;

		regulator-names = "camss";

		camss-supply = <&gcc_camss_top_gdsc>;

		clock-names =

			"cphy_rx_clk_src",

			"tfe_0_cphy_rx_clk";

		clocks =

			<&gcc GCC_CAMSS_TFE_CPHY_RX_CLK_SRC>,

			<&gcc GCC_CAMSS_TFE_0_CPHY_RX_CLK>;

		clock-rates =

			<240000000 240000000>,

			<341333333 341333333>,

			<384000000 384000000>;

		clock-cntl-level = "svs", "svs_l1", "turbo";

		src-clock-name = "cphy_rx_clk_src";

		clock-control-debugfs = "false";

		status = "ok";

	};
 
 No newline at end of file