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[103.229.16.4]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-8434b03fd0bsm9968393b3a.50.2026.06.15.05.33.20 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 15 Jun 2026 05:33:22 -0700 (PDT) From: Yingchao Deng Date: Mon, 15 Jun 2026 20:32:33 +0800 Subject: [PATCH v10 5/5] coresight: cti: document banked and missing base CTI sysfs registers MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260615-extended_cti-v10-5-1c1694b6d8ed@oss.qualcomm.com> References: <20260615-extended_cti-v10-0-1c1694b6d8ed@oss.qualcomm.com> In-Reply-To: <20260615-extended_cti-v10-0-1c1694b6d8ed@oss.qualcomm.com> To: Suzuki K Poulose , Mike Leach , James Clark , Leo Yan , Alexander Shishkin Cc: coresight@lists.linaro.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, quic_yingdeng@quicinc.com, tingwei.zhang@oss.qualcomm.com, Jinlong Mao , jie.gan@oss.qualcomm.com, Yingchao Deng X-Mailer: b4 0.13.0 X-Developer-Signature: v=1; a=ed25519-sha256; t=1781526782; l=4728; i=yingchao.deng@oss.qualcomm.com; s=20260611; h=from:subject:message-id; bh=sVNEsaKI0s3R6oPe1epN5ZwL+HwElnwD/2wqBgGhWsc=; b=xrjzXq+0FweLFMAZP6AFuQu+4WYGHuaVkvve5aDJ9J4hda+bhLUMZE3XQOwes46WyedpL9P34 yq3JNirfcD4AaZ+Zaj2JLxOo9yCEP2ml2BAz1gpbGpZ8fG/wQq7xtet X-Developer-Key: i=yingchao.deng@oss.qualcomm.com; a=ed25519; pk=+y3U2mIt7mf0C+x6qBUD670cd9S2QV+yl5015bUYMgs= X-Authority-Analysis: v=2.4 cv=adxRWxot c=1 sm=1 tr=0 ts=6a2ff114 cx=c_pps a=rEQLjTOiSrHUhVqRoksmgQ==:117 a=nuhDOHQX5FNHPW3J6Bj6AA==:17 a=IkcTkHD0fZMA:10 a=FelO9ux0wxsA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=ZpdpYltYx_vBUK5n70dp:22 a=EUspDBNiAAAA:8 a=KKAkSRfTAAAA:8 a=ZlVeDcQYEk3IPcOgC64A:9 a=QEXdDO2ut3YA:10 a=2VI0MkxyNR6bbpdq8BZq:22 a=cvBusfyB2V15izCimMoJ:22 X-Proofpoint-GUID: -LGuWQGMLQvOcEdcLTmzRp7WQqBYCa8P X-Proofpoint-ORIG-GUID: -LGuWQGMLQvOcEdcLTmzRp7WQqBYCa8P X-Proofpoint-Spam-Info: AW1haW4tMjYwNjE1MDEzMiBTYWx0ZWRfXyveaX+alNaUo aw9KPUsgtuyi3B+9zfFU708mY55N7gzRTXBM8QnmZh+9m6floJ8cqntSLRf2LMBPCeDeG6lZP0d UWaQv4Zcy/GUJWma/Ziw7l8BUAE8sYw= X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNjE1MDEzMiBTYWx0ZWRfX/bomDyQIhs8R vuvoosfXs3Ms/vjzyc/IQMh62K8idfxEn5zi6dcCIO13tM2H6voEFYzwV6HwBP0dP0TvW/MGRK5 mhptV+wdHvoBwr0kTr8YyC1C30bpip5r3+49zTBAnqbFWT51WvBORWyFYRFLjdIt09RjwXRf0UD LL2inu0KN65RpQUsaURkb3yf7jPk5BF5N+6qRWK4gIh82mdmHXdwAG4OcVdSnhBVrHeZysd1Pes y1bcpAh0hZR36c95NztVPBHadBpBw5ChdPWNkLwVvOc5bV9k98iiYoNjtfd0S85jqhewSADaoM4 19M8XOwls3Rk/skkMz/mQQOTaLJwvDVMNkfU6Kj5ijs/x2qcVUO+hmM1RkHIX0gpwvDWkTA4DAv nvxoUX1D65UFj2lJHh6AXRnulCoP2yvgjz7FVz4lW9cqtfoJkau070guehwLhwK0JOshNeaW5sD mWNwAzcXpuji7YwCdXg== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.125,FMLib:17.12.100.49 definitions=2026-06-15_03,2026-06-15_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 clxscore=1015 impostorscore=0 lowpriorityscore=0 malwarescore=0 suspectscore=0 spamscore=0 phishscore=0 adultscore=0 bulkscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606040000 definitions=main-2606150132 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260615_053327_111091_23274E02 X-CRM114-Status: GOOD ( 11.95 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Document the new sysfs entries triginstatus[1-3], trigoutstatus[1-3], ittrigin[1-3], ittrigout[1-3], ittrigoutack[1-3] and ittriginack[1-3] in the coresight-cti ABI documentation. Also document the previously undocumented base integration test registers itctrl, itchin, itchinack, ittrigin, ittriginack, itchout, itchoutack, ittrigout and ittrigoutack, which were introduced in kernel version 5.7. Signed-off-by: Yingchao Deng --- .../ABI/testing/sysfs-bus-coresight-devices-cti | 90 ++++++++++++++++++++++ 1 file changed, 90 insertions(+) diff --git a/Documentation/ABI/testing/sysfs-bus-coresight-devices-cti b/Documentation/ABI/testing/sysfs-bus-coresight-devices-cti index a2aef7f5a6d7..9d7831ac455b 100644 --- a/Documentation/ABI/testing/sysfs-bus-coresight-devices-cti +++ b/Documentation/ABI/testing/sysfs-bus-coresight-devices-cti @@ -128,12 +128,102 @@ KernelVersion: 5.7 Contact: Mike Leach or Mathieu Poirier Description: (Read) read current status of input trigger signals +What: /sys/bus/coresight/devices//regs/triginstatus[1-3] +Date: June 2026 +KernelVersion: 7.3 +Contact: Jinlong Mao +Description: (Read) read current status of QCOM extended input trigger signals. + What: /sys/bus/coresight/devices//regs/trigoutstatus Date: March 2020 KernelVersion: 5.7 Contact: Mike Leach or Mathieu Poirier Description: (Read) read current status of output trigger signals. +What: /sys/bus/coresight/devices//regs/trigoutstatus[1-3] +Date: June 2026 +KernelVersion: 7.3 +Contact: Jinlong Mao +Description: (Read) read current status of QCOM extended output trigger signals. + +What: /sys/bus/coresight/devices//regs/itctrl +Date: March 2020 +KernelVersion: 5.7 +Contact: coresight@lists.linaro.org +Description: (RW) Control integration mode. + +What: /sys/bus/coresight/devices//regs/itchin +Date: March 2020 +KernelVersion: 5.7 +Contact: coresight@lists.linaro.org +Description: (Read) Read the values of the CTCHIN inputs. + +What: /sys/bus/coresight/devices//regs/itchinack +Date: March 2020 +KernelVersion: 5.7 +Contact: coresight@lists.linaro.org +Description: (Write) Write the value of the CTCHINACK input. + +What: /sys/bus/coresight/devices//regs/ittrigin +Date: March 2020 +KernelVersion: 5.7 +Contact: coresight@lists.linaro.org +Description: (Read) Read the values of the CTTRIGIN inputs. + +What: /sys/bus/coresight/devices//regs/ittrigin[1-3] +Date: June 2026 +KernelVersion: 7.3 +Contact: Jinlong Mao +Description: (Read) Read the values of the QCOM extended CTTRIGIN inputs. + +What: /sys/bus/coresight/devices//regs/ittriginack +Date: March 2020 +KernelVersion: 5.7 +Contact: coresight@lists.linaro.org +Description: (Write) Write the value of the CTTRIGINACK input. + +What: /sys/bus/coresight/devices//regs/ittriginack[1-3] +Date: June 2026 +KernelVersion: 7.3 +Contact: Jinlong Mao +Description: (Write) Write the value of the QCOM extended CTTRIGINACK input. + +What: /sys/bus/coresight/devices//regs/itchout +Date: March 2020 +KernelVersion: 5.7 +Contact: coresight@lists.linaro.org +Description: (RW) Read or write the value of the CTCHOUT outputs. + +What: /sys/bus/coresight/devices//regs/itchoutack +Date: March 2020 +KernelVersion: 5.7 +Contact: coresight@lists.linaro.org +Description: (Read) Read the value of the CTCHOUTACK input. + +What: /sys/bus/coresight/devices//regs/ittrigout +Date: March 2020 +KernelVersion: 5.7 +Contact: coresight@lists.linaro.org +Description: (RW) Read or write the value of the CTTRIGOUT outputs. + +What: /sys/bus/coresight/devices//regs/ittrigout[1-3] +Date: June 2026 +KernelVersion: 7.3 +Contact: Jinlong Mao +Description: (RW) Read or write the value of the QCOM extended CTTRIGOUT outputs. + +What: /sys/bus/coresight/devices//regs/ittrigoutack +Date: March 2020 +KernelVersion: 5.7 +Contact: coresight@lists.linaro.org +Description: (Read) Read the value of the CTTRIGOUTACK input. + +What: /sys/bus/coresight/devices//regs/ittrigoutack[1-3] +Date: June 2026 +KernelVersion: 7.3 +Contact: Jinlong Mao +Description: (Read) Read the value of the QCOM extended CTTRIGOUTACK input. + What: /sys/bus/coresight/devices//channels/trigin_attach Date: March 2020 KernelVersion: 5.7 -- 2.43.0