9b361f64a4
This flag is added in cpas node to indicate that the src clk in this node supports crmb api passthrough when voting. CRs-Fixed: 3799575 Change-Id: Ic11d376e2d04b49dad3185ef32ae863f60f1d759 Signed-off-by: Atiya Kailany <quic_akailany@quicinc.com>
634 lines
19 KiB
Plaintext
634 lines
19 KiB
Plaintext
* Qualcomm Technologies, Inc. MSM Camera CPAS
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The MSM camera CPAS device provides dependency definitions for
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enabling Camera CPAS HW and provides the Client definitions
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for all HW blocks that use CPAS driver for BW voting. These
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definitions consist of various properties that define the list
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of clients supported, AHB, AXI master-slave IDs used for BW
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voting.
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=======================
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Required Node Structure
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=======================
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The camera CPAS device must be described in five levels. The first level has
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general description of cpas including compatibility, interrupts, power info
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etc.
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The second level deals with information related to CPAS clients and how
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the BW should be calculated. For simplicity in BW vote consolidation, the
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grouping of granular votes pertaining to CPAS clients is represented as nodes
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at four CAMNOC levels. The nodes at a particular level have some common
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properties such as traffic merge type which indicates whether the votes at a
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node have to be summed up, sum divided by two or taken max of all. CAMNOC Level
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zero node usually represents granular vote info for clients. CAMNOC Level one
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represents nodes which are clubbed together by arbiter in CAMNOC diagram. CAMNOC
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Level two represents consolidated read and write nodes for RT and NRT paths.
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CAMNOC Level three provides axi port information and these have nodes where all
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paths from clients eventually converge according to their properties. This
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includes master-slave IDs, ab, ib values for mnoc, camnoc bus interface
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==================================
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First Level Node - CAM CPAS device
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==================================
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- cell-index
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Usage: required
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Value type: <u32>
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Definition: Node instance number.
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- compatible
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Usage: required
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Value type: <string>
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Definition: Should be "qcom,cam-cpas".
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- label
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Usage: required
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Value type: <string>
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Definition: Should be "cpas".
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- arch-compat
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Usage: required
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Value type: <string>
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Definition: Should be "cpas_top" or "camss_top".
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- reg-names
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Usage: required
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Value type: <string>
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Definition: Name of the register resources.
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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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- reg-cam-base
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Usage: required
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Value type: <u32>
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Definition: Offset of the register space compared to
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to Camera base register space.
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- cam_hw_fuse
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Usage: optional
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Value type: <u32:fuse_id> <u32:fuse_address> <u32:fuse_mask> <u32:fuse_type> <u32:hw_map>
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Definition: List of fuse based features and respective fuse info.
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fuse_id: fuse id for each features
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fuse_address: fuse register io address
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fuse_mask: fuse mask for the fuse registers
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fuse_type: fuse feature is enable, disable or value type
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hw_map: Hw map of the feature, set bit positions which HWs are
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supported for that feature. Use 0xFF if all HWs supported
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- interrupt-names
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Usage: optional
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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: optional
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Value type: <u32>
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Definition: Interrupt associated with CAMNOC HW.
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- qcom,cpas-hw-ver
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Usage: required
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Value type: <u32>
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Definition: CAM HW Version information.
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- camnoc-axi-min-ib-bw
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Usage: optional
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Value type: <u64>
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Definition: Min camnoc axi bw for the given target.
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- cam-max-rt-axi-bw
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Usage: optional
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Value type: <u64>
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Definition: Max RT axi bw allowed to be voted for the given target.
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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 CPAS HW.
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- camss-vdd-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
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in "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 CPAS 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 CPAS HW.
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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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- 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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- clock-cntl-level
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Usage: required
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Value type: <string>
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Definition: List of strings corresponds clock-rates levels.
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Supported strings: minsvs, lowsvs, svs, svs_l1, nominal, turbo.
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- qcom,cam-cx-ipeak
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Usage: required
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Value type: <u32>
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Definition: Camera Cx Ipeak ID.
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- control-camnoc-axi-clk
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Usage: optional
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Value type: <empty>
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Definition: Bool property specifying whether to control camnoc axi
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clock from cpas driver.
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- cam-crmb-clk
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Usage: required
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Value type: <empty>
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Definition: Flag indicating whether the src clk in this node is
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a crmb clk or not
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- camnoc-bus-width
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Usage: required if control-camnoc-axi-clk is enabled
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Value type: <u32>
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Definition: camnoc bus width.
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- camnoc-axi-clk-bw-margin-perc
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Usage: optional
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Value type: <u32>
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Definition: Percentage value to be added to camnoc bw while calculating
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camnoc axi clock frequency.
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- rpmh-bcm-info
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Usage: optional
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Value type: <u32:idx> <u32:bcm_fe> <u32:bcm_be> <u32:ddr_idx> <u32:mmnoc_idx>
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Definition: Rpmh bcm register map
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idx: Total number of BCMs
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bcm_fe: First BCM FE (front-end) register offset.
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bcm_be: First BCM BE (back-end) register offset.
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ddr_idx: DDR BCM index
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mmnoc_idx: MMNOC BCM index
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- qcom,msm-bus,name
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- qcom,msm-bus,num-cases
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- qcom,msm-bus,num-paths
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- qcom,msm-bus,vectors-KBps
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Please refer Documentation/devicetree/bindings/arm/msm/msm_bus.txt
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for the properties above.
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- vdd-corners
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Usage: required
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Value type: <u32>
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Definition: List of vdd corners to map for ahb level.
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- vdd-corner-ahb-mapping
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Usage: required
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Value type: <string>
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Definition: List of ahb level strings corresponds to vdd-corners.
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Supported strings: suspend, svs, nominal, turbo
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- client-id-based
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Usage: required
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Value type: <empty>
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Definition: Bool property specifying whether CPAS clients are ID based.
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- client-names
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Usage: required
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Value type: <string>
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Definition: List of Clients supported by CPAS.
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- client-bus-camnoc-based
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Usage: optional
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Value type: <empty>
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Definition: Bool property specifying whether Clients are connected
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through CAMNOC for AXI access.
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- sys-cache-names
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Usage: optional
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Value type: <string>
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Definition: last level cache info for camera. Specifies the type
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of cache; small or large. Small cache is around 256K and its
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read property is self-evict. Large cache is around 3.2M which
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is pre-determined for a target based on the calulations done
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for concerned use cases. Large cache is Non-self evict.
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UIDs value and their usage can vary from target to target.
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for example; same UID 38 is used as small and large in different
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targets.
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- sys-cache-uids
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Usage: optional
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Value type: <u32>
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Definition: Client ID for camera caches. ID is used to differentiate
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the property of the cache like being Forget, Dealloc.
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- enable-smart-qos
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Usage: optional
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Value type: <empty>
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Definition: Bool property specifying whether Smart Qos feature is enabled.
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- enable-cam-drv
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Usage: optional
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Value type: <u32>
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Definition: Bit mask value specifying the DRV features enabled.
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Supported: CAM_DDR_DRV
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Please refer dt-bindings/msm-camera.h for all supported
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definitions.
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- rt-wr-priority-min
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Usage: optional
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Value type: <u32>
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Definition: Minimum priority value for rt write NIUs.
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- rt-wr-priority-max
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Usage: optional
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Value type: <u32>
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Definition: Maximum priority value for rt write NIUs.
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- rt-wr-priority-clamp
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Usage: optional
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Value type: <u32>
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Definition: Clamp priority value for rt write NIUs.
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- rt-wr-slope-factor
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Usage: optional
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Value type: <u32>
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Definition: Slope factor value for rt write NIUs. Take in percentages
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to avoid confusion, such as take value 100 for 1, take value 70 for 0.7.
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- rt-wr-leaststressed-clamp-threshold
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Usage: optional
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Value type: <u32>
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Definition: Least stressed clamp threshold value for rt write NIUs.
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- rt-wr-moststressed-clamp-threshold
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Usage: optional
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Value type: <u32>
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Definition: Most stressed clamp threshold value for rt write NIUs.
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- rt-wr-highstress-indicator-threshold
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Usage: optional
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Value type: <u32>
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Definition: High stress indicator threshold value for rt write NIUs.
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Take in percentages to avoid confusion, such as take value 100 for 1,
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take value 50 for 0.5. If the buf bw ratio for a NIU is larger than
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high stress indicator threshold, this NIU is more stressed.
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- rt-wr-lowstress-indicator-threshold
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Usage: optional
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Value type: <u32>
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Definition: Low stress indicator threshold value for rt write NIUs.
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Take in percentages to avoid confusion.
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- rt-wr-bw-ratio-scale-factor
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Usage: optional
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Value type: <u32>
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Definition: BW ratio scale factor value for rt write NIUs.
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- domain-id
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Usage: optional
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Value type: <u32>
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Definition: List of mapping between domain types and their IDs.
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See dt-bindings/msm-camera.h for definitions of
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supported domain types.
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- domain-id-support-clks
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Usage: optional
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Value type: <string>
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Definition: Clocks needed to be turned on for domain-id support.
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Note that this property builds on top of clock-names-option,
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clocks-option, clock-rates-option and shared-clks-option
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(if any of these clocks are shared), so the associated
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properties for those need to be included for this
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property to work.
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- vmrm-resource-ids
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Usage: optional
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Value type: <u32>
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Definition: should specify vmrm resource id list order is mem label,
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mem tag, irq1 label, irq2 label.
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- cam-version
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Usage: optional
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Value type: <u32>
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Definition: should specify camera version.
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- cpas-version
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Usage: optional
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Value type: <u32>
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Definition: should specify cpas version.
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- camera-capability
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Usage: optional
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Value type: <u32>
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Definition: should specify camera capability.
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===================================================================
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Third Level Node - CAMNOC Level nodes
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===================================================================
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- level-index
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Usage: required
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Value type: <u32>
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Definition: Number representing level index for ndoes at current CAMNOC level
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- camnoc-max-needed
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Usage: optional
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Value type: <empty>
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Definition: Bool property for all votes at current level to be taken maximum
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for CAMNOC BW calculation.
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===================================================================
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Fourth Level Node - Generic CAMNOC node properties
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===================================================================
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- cell-index
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Usage: required
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Value type: <u32>
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Definition: Unique index of node to be used by CPAS driver.
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- node-name
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Usage: required
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Value type: <string>
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Definition: Unique name representing this node.
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- path-data-type
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Usage: required if a CAMNOC Level 0 Node
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Value type: <u32>
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Definition: Type of path data for a specific client.
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Supported : CAM_CPAS_PATH_DATA_IFE_LINEAR, CAM_CPAS_PATH_DATA_ALL, etc.
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Please refer dt-bindings/msm-camera.h for all supported
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definitions.
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- path-transaction-type
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Usage: required if a CAMNOC Level 0 Node
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Value type: <u32>
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Definition: Type of path transaction for a specific client.
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Supported : CAM_CPAS_TRANSACTION_READ, CAM_CPAS_TRANSACTION_WRITE
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- client-name
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Usage: required if a CAMNOC Level 0 Node
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Value type: <string>
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Definition: Name of the client with above properties.
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Supported : From "client-names" property in CPAS node
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- constituent-paths
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Usage: optional, applicable only to CAMNOC Level 0 Nodes
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Value type: <u32>
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Definition: List of constituents of path data type of current node.
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Supported : CAM_CPAS_PATH_DATA_IFE_VID, CAM_CPAS_PATH_DATA_IFE_DISP, etc.
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Please refer dt-bindings/msm-camera.h for all supported
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definitions.
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- drv-voting-index
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Usage: optional, applicable only to CAMNOC Level 0 Nodes
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Value type: <u32>
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Definition: Voting index pointing to Bus Ids for Camera DRV (HLOS DRV by default).
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Supported : CAM_CPAS_PORT_DRV_0, CAM_CPAS_PORT_DRV_1, etc.
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Please refer dt-bindings/msm-camera.h for all supported
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definitions.
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- traffic-merge-type
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Usage: required if NOT a CAMNOC Level 0 Node
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Value type: <u32>
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Definition: Type of traffic merge for that node.
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Supported : CAM_CPAS_TRAFFIC_MERGE_SUM, CAM_CPAS_TRAFFIC_MERGE_SUM_INTERLEAVE.
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- parent-node
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Usage: required for all except CAMNOC Level 3 Nodes
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Value type: <phandle>
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Definition: Parent node of this node. Parent node must be at least
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one level above the current level.
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- rt-wr-niu
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Usage: optional
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Value type: <empty>
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Definition: Bool property representing whether this node represents a
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Real Time Write NIU node.
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- niu-size
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Usage: optional
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Value type: <u32>
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Definition: Size of NIU represented by this node.
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- priority-lut-low-offset
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Usage: optional
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Value type: <u32>
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Definition: Priority lut low register offset of NIU represented by this node.
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- priority-lut-high-offset
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Usage: optional
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Value type: <u32>
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Definition: Priority lut high register offset of NIU represented by this node.
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- bus-width-factor
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Usage: optional
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Value type: <u32>
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Definition: For bus width factor consideration in CAMNOC BW calculation
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- qcom,axi-port-name
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Usage: required at CAMNOC Level 3
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Value type: <string>
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Definition: Name of the AXI Port.
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- ib-bw-voting-needed
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Usage: optional
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Value type: <empty>
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Definition: Bool property indicating axi port requires instantaneous bandwidth
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- rt-axi-port
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Usage: optional
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Value type: <empty>
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Definition: Bool property indicating whether this axi port represents
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a real time port.
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===================================================================
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Fifth Level Node - CAM AXI Bus Properties
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===================================================================
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- qcom,msm-bus,name
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- qcom,msm-bus,num-cases
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- qcom,msm-bus,num-paths
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- qcom,msm-bus,vectors-KBps
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Please refer Documentation/devicetree/bindings/arm/msm/msm_bus.txt
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for the properties above.
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- qcom,msm-bus-vector-dyn-vote
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Usage: optional
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Value type: <empty>
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Definition: Bool property specifying whether this bus client
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is dynamic vote based.
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Example:
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qcom,cam-cpas@ac40000 {
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cell-index = <0>;
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compatible = "qcom,cam-cpas";
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label = "cpas";
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arch-compat = "cpas_top";
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status = "ok";
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reg-names = "cam_cpas_top", "cam_camnoc";
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reg = <0xac40000 0x1000>,
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<0xac42000 0x5000>;
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reg-cam-base = <0x40000 0x42000>;
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cam_hw_fuse = <CAM_CPAS_QCFA_BINNING_ENABLE 0x00780210 29>,
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<CAM_CPAS_SECURE_CAMERA_ENABLE 0x00780210 18>;
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interrupt-names = "cpas_camnoc";
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interrupts = <0 459 0>;
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qcom,cpas-hw-ver = <0x170100>; /* Titan v170 v1.0.0 */
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regulator-names = "camss-vdd";
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camss-vdd-supply = <&titan_top_gdsc>;
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clock-names = "gcc_ahb_clk",
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"gcc_axi_clk",
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"soc_ahb_clk",
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"cpas_ahb_clk",
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"slow_ahb_clk_src",
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"camnoc_axi_clk";
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clocks = <&clock_gcc GCC_CAMERA_AHB_CLK>,
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<&clock_gcc GCC_CAMERA_AXI_CLK>,
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<&clock_camcc CAM_CC_SOC_AHB_CLK>,
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<&clock_camcc CAM_CC_CPAS_AHB_CLK>,
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<&clock_camcc CAM_CC_SLOW_AHB_CLK_SRC>,
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<&clock_camcc CAM_CC_CAMNOC_AXI_CLK>;
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src-clock-name = "slow_ahb_clk_src";
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domain-id-support-clks = "ife_lite_csid_clk",
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"ife_lite_ahb", "csid_clk_src", "csid_clk";
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/* domain-id-support-clks property dependent on below clock option properties */
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clock-names-option = "cam_icp_clk",
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"ife_lite_csid_clk",
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"ife_lite_ahb", "csid_clk_src", "csid_clk";
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clocks-option = <&camcc CAM_CC_ICP_CLK>,
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<&camcc CAM_CC_IFE_LITE_CSID_CLK>,
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<&camcc CAM_CC_IFE_LITE_AHB_CLK>,
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<&camcc CAM_CC_CSID_CLK_SRC>,
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<&camcc CAM_CC_CSID_CLK>;
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clock-rates-option = <400000000>,
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<0>, <0>, <0>, <0>;
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shared-clks-option = <0 0 0 1 0>;
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domain-id = <CAM_CPAS_SECURE_DOMAIN 16>,
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<CAM_CPAS_NON_SECURE_DOMAIN 0>;
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clock-rates = <0 0 0 0 80000000 0>;
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clock-cntl-level = "turbo";
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qcom,cam-cx-ipeak = <&cx_ipeak_lm 8>;
|
|
control-camnoc-axi-clk;
|
|
cam-crmb-clk;
|
|
camnoc-bus-width = <32>;
|
|
camnoc-axi-clk-bw-margin-perc = <10>;
|
|
qcom,msm-bus,name = "cam_ahb";
|
|
qcom,msm-bus,num-cases = <4>;
|
|
qcom,msm-bus,num-paths = <1>;
|
|
qcom,msm-bus,vectors-KBps =
|
|
<MSM_BUS_MASTER_AMPSS_M0
|
|
MSM_BUS_SLAVE_CAMERA_CFG 0 0>,
|
|
<MSM_BUS_MASTER_AMPSS_M0
|
|
MSM_BUS_SLAVE_CAMERA_CFG 0 300000>,
|
|
<MSM_BUS_MASTER_AMPSS_M0
|
|
MSM_BUS_SLAVE_CAMERA_CFG 0 640000>,
|
|
<MSM_BUS_MASTER_AMPSS_M0
|
|
MSM_BUS_SLAVE_CAMERA_CFG 0 640000>;
|
|
client-id-based;
|
|
client-names =
|
|
"csiphy0", "csiphy1", "csiphy2", "csiphy3",
|
|
"csiphy4", "csiphy5", "cci0", "cci1",
|
|
"csid0", "csid1", "csid2", "csid3",
|
|
"csid4", "csid5", "csid6",
|
|
"ife0", "ife1", "ife2", "ife3", "custom0",
|
|
"ipe0", "cam-cdm-intf0", "cpas-cdm0", "cpas-cdm1",
|
|
"cpas-cdm2",
|
|
"bps0", "icp0", "jpeg-dma0", "jpeg-enc0",
|
|
"fd0";
|
|
sys-cache-names = "small-1", "large-1", "large-2", "large-3", "large-4";
|
|
sys-cache-uids = <34 38 50 51 52>;
|
|
enable-smart-qos;
|
|
rt-wr-priority-min = <3>;
|
|
rt-wr-priority-max = <6>;
|
|
rt-wr-priority-clamp = <6>;
|
|
rt-wr-slope-factor = <100>;
|
|
rt-wr-leaststressed-clamp-threshold = <7>;
|
|
rt-wr-moststressed-clamp-threshold = <7>;
|
|
rt-wr-highstress-indicator-threshold = <100>;
|
|
rt-wr-lowstress-indicator-threshold = <0>;
|
|
rt-wr-bw-ratio-scale-factor = <1>;
|
|
enable-cam-drv;
|
|
vmrm-resource-ids = <10 10 10>;
|
|
cam-version = <0x80800>;
|
|
cpas-version = <0x10000000>;
|
|
camera-capability = <0x9fffedeb 0x8>;
|
|
camera-bus-nodes {
|
|
level3-nodes {
|
|
level-index = <3>;
|
|
level3_rt0_rd_wr_sum: level3-rt0-rd-wr-sum {
|
|
cell-index = <0>;
|
|
node-name = "level3-rt0-rd-wr-sum";
|
|
traffic-merge-type =
|
|
<CAM_CPAS_TRAFFIC_MERGE_SUM>;
|
|
qcom,axi-port-name = "cam_hf_0";
|
|
ib-bw-voting-needed;
|
|
rt-axi-port;
|
|
qcom,axi-port-mnoc {
|
|
qcom,msm-bus,name =
|
|
"cam_hf_0_mnoc";
|
|
qcom,msm-bus-vector-dyn-vote;
|
|
qcom,msm-bus,num-cases = <2>;
|
|
qcom,msm-bus,num-paths = <1>;
|
|
qcom,msm-bus,vectors-KBps =
|
|
<MSM_BUS_MASTER_CAMNOC_HF
|
|
MSM_BUS_SLAVE_EBI_CH0 0 0>,
|
|
<MSM_BUS_MASTER_CAMNOC_HF
|
|
MSM_BUS_SLAVE_EBI_CH0 0 0>;
|
|
};
|
|
};
|
|
};
|
|
level2-nodes {
|
|
level-index = <2>;
|
|
camnoc-max-needed;
|
|
level2_rt0_wr: level2-rt0-wr {
|
|
cell-index = <3>;
|
|
node-name = "level2-rt0-wr";
|
|
parent-node = <&level3_rt0_rd_wr_sum>;
|
|
traffic-merge-type =
|
|
<CAM_CPAS_TRAFFIC_MERGE_SUM_INTERLEAVE>;
|
|
};
|
|
};
|
|
level1-nodes {
|
|
level-index = <1>;
|
|
camnoc-max-needed;
|
|
level1_rt0_wr0: level1-rt0-wr0 {
|
|
cell-index = <8>;
|
|
node-name = "level1-rt0-wr0";
|
|
parent-node = <&level2_rt0_wr>;
|
|
traffic-merge-type =
|
|
<CAM_CPAS_TRAFFIC_MERGE_SUM>;
|
|
rt-wr-niu;
|
|
niu-size = <175>;
|
|
priority-lut-low-offset = <0x5830>;
|
|
priority-lut-high-offset = <0x5834>;
|
|
};
|
|
};
|
|
level0-nodes {
|
|
level-index = <0>;
|
|
ife0_ubwc_stats_wr: ife0-ubwc-stats-wr {
|
|
cell-index = <16>;
|
|
node-name = "ife0-ubwc-stats-wr";
|
|
client-name = "ife0";
|
|
traffic-data =
|
|
<CAM_CPAS_PATH_DATA_IFE_UBWC_STATS>;
|
|
traffic-transaction-type =
|
|
<CAM_CPAS_TRANSACTION_WRITE>;
|
|
constituent-paths =
|
|
<CAM_CPAS_PATH_DATA_IFE_VID
|
|
CAM_CPAS_PATH_DATA_IFE_DISP
|
|
CAM_CPAS_PATH_DATA_IFE_STATS>;
|
|
drv-voting-index =
|
|
<CAM_CPAS_PORT_DRV_0>;
|
|
parent-node = <&level1_rt0_wr0>;
|
|
};
|
|
};
|
|
};
|
|
};
|
|
|