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https://github.com/Evolution-X-Devices/kernel_xiaomi_sm8450-devicetrees
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Merge "dt-bindings: arm: Add CSR/TPDM/TPDA/TGU/Remote ETM support"
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qctecmdr
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Gerrit - the friendly Code Review server
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ff12f4fbb8
@@ -85,8 +85,41 @@ its hardware characteristcs.
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- Coresight Non-configurable Funnel:
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"arm,coresight-static-funnel";
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- Coresight Trace, Profiling & Diagnostic module:
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"qcom,coresight-tpda"
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"qcom,coresight-tpdm"
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- Coresight control register:
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"qcom,coresight-csr"
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- Coresight Hardware Event
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"qcom,coresight-hwevent"
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- Coresight dummy device:
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"qcom,coresight-dummy"
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- Coresight remote ETM:
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"qcom,coresight-remote-etm"
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* port or ports: see "Graph bindings for Coresight" below.
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* Additional required property for coresight-tgu devices:
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* tgu-steps: must be present. Indicates number of steps supported
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by the TGU.
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* tgu-conditions: must be present. Indicates the number of conditions
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supported by the TGU.
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* tgu-regs: must be present. Indicates the number of regs supported
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by the TGU.
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* tgu-timer-counters: must be present. Indicates the number of timers and
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counters available in the TGU to do a comparision.
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* Optional properties for all components:
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* reg-names: names corresponding to each reg property value.
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* qcom,proxy-regs: List of regulators required.
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* qcom,proxy-clks: List of additional clocks required.
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* Optional properties for ETM/PTMs:
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* arm,cp14: must be present if the system accesses ETM/PTM management
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@@ -108,6 +141,77 @@ its hardware characteristcs.
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* interrupts : Exactly one SPI may be listed for reporting the address
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error
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* Required property for TPDAs:
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* qcom,tpda-atid: must be present. Specifies the ATID for TPDA.
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* Optional properties for TPDAs:
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* qcom,bc-elem-size: specifies the BC element size supported by each
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monitor connected to the aggregator on each port. Should be specified
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in pairs (port, bc element size).
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* qcom,tc-elem-size: specifies the TC element size supported by each
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monitor connected to the aggregator on each port. Should be specified
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in pairs (port, tc element size).
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* qcom,dsb-elem-size: specifies the DSB element size supported by each
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monitor connected to the aggregator on each port. Should be specified
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in pairs (port, dsb element size).
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* qcom,cmb-elem-size: specifies the CMB element size supported by each
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monitor connected to the aggregator on each port. Should be specified
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in pairs (port, cmb element size).
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* Optional properties for TPDM:
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* qcom,clk-enable: specifies whether additional clock bit needs to be
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set for M4M TPDM.
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* qcom,msr-fix-req: boolean, indicating if MSRs need to be programmed
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after enabling the subunit.
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* qcom,hw-enable-check: Check if the tpdm need to be probed as some tpdms
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are not enabled in secure device.
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* Optional properties for CSRs:
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* qcom,usb-bam-support: boolean, indicates CSR has the ability to operate on
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usb bam, include enable,disable and flush.
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* qcom,hwctrl-set-support: boolean, indicates CSR has the ability to operate on
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to "HWCTRL" register.
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* qcom,set-byte-cntr-support:boolean, indicates CSR has the ability to operate on
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to "BYTECNT" register.
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* qcom,timestamp-support:boolean, indicates CSR support sys interface to read
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timestamp value.
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* Required property for Remote ETMs:
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* qcom,inst-id: must be present. QMI instance id for remote ETMs.
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* Optional properties for funnels:
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* source: specifies the source that binds to this output port. Only
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trace from that source routes to this output port.
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* qcom,duplicate-funnel: boolean, indicates its a duplicate of an
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existing funnel. Funnel devices are now capable of supporting
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multiple-input and multiple-output configuration with in built
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hardware filtering for TPDM devices. Each set of input-output
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combination is treated as independent funnel device.
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funnel-base-dummy and funnel-base-real reg-names must be specified
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when this property is enabled.
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* reg-names: funnel-base-dummy: dummy register space used by a
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duplicate funnel. Should be a valid register address space that
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no other device is using.
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* reg-names: funnel-base-real: actual register space for the
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duplicate funnel.
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Graph bindings for Coresight
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-------------------------------
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@@ -364,5 +468,21 @@ Example:
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};
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};
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6. TGUs
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ipcb_tgu: tgu@6b0c000 {
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compatible = "arm,primecell";
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arm,primecell-periphid = <0x0003b999>;
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reg = <0x06B0C000 0x1000>;
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reg-names = "tgu-base";
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tgu-steps = <3>;
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tgu-conditions = <4>;
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tgu-regs = <4>;
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tgu-timer-counters = <8>;
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coresight-name = "coresight-tgu-ipcb";
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clocks = <&clock_aop QDSS_CLK>;
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clock-names = "apb_pclk";
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};
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[1]. There is currently two version of STM: STM32 and STM500. Both
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have the same HW interface and as such don't need an explicit binding name.
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