From patchwork Mon Jan 15 16:42:47 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mao Jinlong X-Patchwork-Id: 763445 Received: from mx0b-0031df01.pphosted.com (mx0b-0031df01.pphosted.com [205.220.180.131]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 15EFF17BBB; Mon, 15 Jan 2024 16:43:27 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=quicinc.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=quicinc.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=quicinc.com header.i=@quicinc.com header.b="kvKgOCD2" Received: from pps.filterd (m0279873.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.24/8.17.1.24) with ESMTP id 40FFEAou013227; Mon, 15 Jan 2024 16:43:08 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; h= from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding:content-type; s= qcppdkim1; bh=XQ3H4RdNiU0Y9LkxGU2rkxr9v9+0ZdUQnvDha20T3co=; b=kv KgOCD2WG/2zuC5p2/qEnwrpbzCAR+r7eZkHocGQ65DwpQhsCKb1lf8Sku68ztrvF zEaif62vT/ogPDstFeIGL2pHS5YA8m9em6/7q7s9o9GWwekw5rTlJN5hAJ6QSja1 BgC7HYZDQ9X204nHNkeTwgXSr94gafir4hQrZp5pBLlyWwr4S+IYMNbyOTQ3s3gy bj5g1EK5qKaqiPNuYt2+B01Zw2HXJtdNi8BvXJzpaNosi0NODQ17PJlGHaWEJrFs yBH7dtL+0VSdAFFPgu7fngnQpFr74Mu1kDIUFu9RKlHCST1v5ZpxfVkDc+XLFrs5 2XdXDpIWEP0X9RIY5RPw== Received: from nalasppmta01.qualcomm.com (Global_NAT1.qualcomm.com [129.46.96.20]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3vmyhk13x2-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 15 Jan 2024 16:43:08 +0000 (GMT) Received: from nalasex01a.na.qualcomm.com (nalasex01a.na.qualcomm.com [10.47.209.196]) by NALASPPMTA01.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 40FGh7OS020778 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 15 Jan 2024 16:43:07 GMT Received: from hu-jinlmao-lv.qualcomm.com (10.49.16.6) by nalasex01a.na.qualcomm.com (10.47.209.196) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.40; Mon, 15 Jan 2024 08:43:06 -0800 From: Mao Jinlong To: Suzuki K Poulose , Mike Leach , James Clark , Leo Yan , Alexander Shishkin , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Maxime Coquelin , "Alexandre Torgue" , Bjorn Andersson , Konrad Dybcio , "Mathieu Poirier" CC: Mao Jinlong , , , , , , Subject: [PATCH v2 1/2] coresight: core: Add device name support Date: Mon, 15 Jan 2024 08:42:47 -0800 Message-ID: <20240115164252.26510-2-quic_jinlmao@quicinc.com> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20240115164252.26510-1-quic_jinlmao@quicinc.com> References: <20240115164252.26510-1-quic_jinlmao@quicinc.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-ClientProxiedBy: nalasex01c.na.qualcomm.com (10.47.97.35) To nalasex01a.na.qualcomm.com (10.47.209.196) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-ORIG-GUID: 0WzKVXlY4KZ-01oudJV35_jYPjqFx9fi X-Proofpoint-GUID: 0WzKVXlY4KZ-01oudJV35_jYPjqFx9fi X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.997,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2023-12-09_02,2023-12-07_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 clxscore=1015 lowpriorityscore=0 spamscore=0 suspectscore=0 malwarescore=0 bulkscore=0 phishscore=0 mlxscore=0 mlxlogscore=999 adultscore=0 priorityscore=1501 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2311290000 definitions=main-2401150122 For some coresight components like CTI and TPDM, there could be numerous of them. From the node name, we can only get the type and register address of the component. We can't identify the HW or the system the component belongs to. Add the device-name support for adding the intuitive name of the device. Signed-off-by: Mao Jinlong --- drivers/hwtracing/coresight/coresight-core.c | 33 ++++++++++--------- .../hwtracing/coresight/coresight-platform.c | 31 +++++++++++++++++ include/linux/coresight.h | 1 + 3 files changed, 50 insertions(+), 15 deletions(-) diff --git a/drivers/hwtracing/coresight/coresight-core.c b/drivers/hwtracing/coresight/coresight-core.c index 9fabe00a40d6..b85fc5cc3807 100644 --- a/drivers/hwtracing/coresight/coresight-core.c +++ b/drivers/hwtracing/coresight/coresight-core.c @@ -1772,24 +1772,27 @@ char *coresight_alloc_device_name(struct coresight_dev_list *dict, mutex_lock(&coresight_mutex); - idx = coresight_search_device_idx(dict, dev_fwnode(dev)); - if (idx < 0) { - /* Make space for the new entry */ - idx = dict->nr_idx; - list = krealloc_array(dict->fwnode_list, - idx + 1, sizeof(*dict->fwnode_list), - GFP_KERNEL); - if (ZERO_OR_NULL_PTR(list)) { - idx = -ENOMEM; - goto done; + name = coresight_get_device_name(dev); + if (!name) { + idx = coresight_search_device_idx(dict, dev_fwnode(dev)); + if (idx < 0) { + /* Make space for the new entry */ + idx = dict->nr_idx; + list = krealloc_array(dict->fwnode_list, + idx + 1, sizeof(*dict->fwnode_list), + GFP_KERNEL); + if (ZERO_OR_NULL_PTR(list)) { + idx = -ENOMEM; + goto done; + } + + list[idx] = dev_fwnode(dev); + dict->fwnode_list = list; + dict->nr_idx = idx + 1; } - list[idx] = dev_fwnode(dev); - dict->fwnode_list = list; - dict->nr_idx = idx + 1; + name = devm_kasprintf(dev, GFP_KERNEL, "%s%d", dict->pfx, idx); } - - name = devm_kasprintf(dev, GFP_KERNEL, "%s%d", dict->pfx, idx); done: mutex_unlock(&coresight_mutex); return name; diff --git a/drivers/hwtracing/coresight/coresight-platform.c b/drivers/hwtracing/coresight/coresight-platform.c index 9d550f5697fa..c6c68fc9f787 100644 --- a/drivers/hwtracing/coresight/coresight-platform.c +++ b/drivers/hwtracing/coresight/coresight-platform.c @@ -183,6 +183,22 @@ static int of_coresight_get_cpu(struct device *dev) return cpu; } +static const char *of_coresight_get_device_name(struct device *dev) +{ + const char *name = NULL; + + if (!dev->of_node) + return NULL; + + /* + * Get the device name from DT. The name describes the HW or + * system the device is for. + */ + of_property_read_string(dev->of_node, "device-name", &name); + + return name; +} + /* * of_coresight_parse_endpoint : Parse the given output endpoint @ep * and fill the connection information in @pdata->out_conns @@ -315,6 +331,12 @@ static inline int of_coresight_get_cpu(struct device *dev) { return -ENODEV; } + +static inline const char *of_coresight_get_device_name(struct device *dev) +{ + return NULL; +} + #endif #ifdef CONFIG_ACPI @@ -794,6 +816,15 @@ int coresight_get_cpu(struct device *dev) } EXPORT_SYMBOL_GPL(coresight_get_cpu); +const char *coresight_get_device_name(struct device *dev) +{ + if (is_of_node(dev->fwnode)) + return of_coresight_get_device_name(dev); + else + return NULL; +} +EXPORT_SYMBOL_GPL(coresight_get_device_name); + struct coresight_platform_data * coresight_get_platform_data(struct device *dev) { diff --git a/include/linux/coresight.h b/include/linux/coresight.h index a269fffaf991..caa17c8af865 100644 --- a/include/linux/coresight.h +++ b/include/linux/coresight.h @@ -675,6 +675,7 @@ static inline void coresight_write64(struct coresight_device *csdev, u64 val, u3 #endif /* IS_ENABLED(CONFIG_CORESIGHT) */ extern int coresight_get_cpu(struct device *dev); +extern const char *coresight_get_device_name(struct device *dev); struct coresight_platform_data *coresight_get_platform_data(struct device *dev); struct coresight_connection * From patchwork Mon Jan 15 16:42:48 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mao Jinlong X-Patchwork-Id: 762802 Received: from mx0a-0031df01.pphosted.com (mx0a-0031df01.pphosted.com [205.220.168.131]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 9EF2218040; Mon, 15 Jan 2024 16:43:41 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=quicinc.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=quicinc.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=quicinc.com header.i=@quicinc.com header.b="Mhi9FGuo" Received: from pps.filterd (m0279867.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.24/8.17.1.24) with ESMTP id 40FFEkOI025807; 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Mon, 15 Jan 2024 16:43:07 GMT Received: from hu-jinlmao-lv.qualcomm.com (10.49.16.6) by nalasex01a.na.qualcomm.com (10.47.209.196) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.40; Mon, 15 Jan 2024 08:43:07 -0800 From: Mao Jinlong To: Suzuki K Poulose , Mike Leach , James Clark , Leo Yan , Alexander Shishkin , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Maxime Coquelin , "Alexandre Torgue" , Bjorn Andersson , Konrad Dybcio , "Mathieu Poirier" CC: Mao Jinlong , , , , , , Subject: [PATCH v2 2/2] dt-bindings: arm: Add device-name in the coresight components Date: Mon, 15 Jan 2024 08:42:48 -0800 Message-ID: <20240115164252.26510-3-quic_jinlmao@quicinc.com> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20240115164252.26510-1-quic_jinlmao@quicinc.com> References: <20240115164252.26510-1-quic_jinlmao@quicinc.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-ClientProxiedBy: nalasex01c.na.qualcomm.com (10.47.97.35) To nalasex01a.na.qualcomm.com (10.47.209.196) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-GUID: 4ImuXbad9OGJ2kxOYfBm0jrplxCV8_p7 X-Proofpoint-ORIG-GUID: 4ImuXbad9OGJ2kxOYfBm0jrplxCV8_p7 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.997,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2023-12-09_02,2023-12-07_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 suspectscore=0 phishscore=0 mlxlogscore=999 lowpriorityscore=0 malwarescore=0 mlxscore=0 spamscore=0 adultscore=0 impostorscore=0 clxscore=1015 priorityscore=1501 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2311290000 definitions=main-2401150122 device-name is used to provide a better description of the coresight device. It can provide the info like the system or HW it belongs to. Signed-off-by: Mao Jinlong --- .../devicetree/bindings/arm/arm,coresight-catu.yaml | 5 +++++ .../devicetree/bindings/arm/arm,coresight-cpu-debug.yaml | 5 +++++ Documentation/devicetree/bindings/arm/arm,coresight-cti.yaml | 5 +++++ .../devicetree/bindings/arm/arm,coresight-dummy-sink.yaml | 5 +++++ .../devicetree/bindings/arm/arm,coresight-dummy-source.yaml | 5 +++++ .../bindings/arm/arm,coresight-dynamic-funnel.yaml | 5 +++++ .../bindings/arm/arm,coresight-dynamic-replicator.yaml | 5 +++++ .../devicetree/bindings/arm/arm,coresight-etb10.yaml | 5 +++++ Documentation/devicetree/bindings/arm/arm,coresight-etm.yaml | 5 +++++ .../devicetree/bindings/arm/arm,coresight-static-funnel.yaml | 5 +++++ .../bindings/arm/arm,coresight-static-replicator.yaml | 5 +++++ Documentation/devicetree/bindings/arm/arm,coresight-stm.yaml | 5 +++++ Documentation/devicetree/bindings/arm/arm,coresight-tmc.yaml | 5 +++++ .../devicetree/bindings/arm/arm,coresight-tpiu.yaml | 5 +++++ .../devicetree/bindings/arm/qcom,coresight-tpda.yaml | 5 +++++ .../devicetree/bindings/arm/qcom,coresight-tpdm.yaml | 5 +++++ 16 files changed, 80 insertions(+) diff --git a/Documentation/devicetree/bindings/arm/arm,coresight-catu.yaml b/Documentation/devicetree/bindings/arm/arm,coresight-catu.yaml index 2bae06eed693..313e25d62f0d 100644 --- a/Documentation/devicetree/bindings/arm/arm,coresight-catu.yaml +++ b/Documentation/devicetree/bindings/arm/arm,coresight-catu.yaml @@ -44,6 +44,11 @@ properties: - const: arm,coresight-catu - const: arm,primecell + device-name: + description: + Define the name which can describe what kind of HW or system the + device is for. + reg: maxItems: 1 diff --git a/Documentation/devicetree/bindings/arm/arm,coresight-cpu-debug.yaml b/Documentation/devicetree/bindings/arm/arm,coresight-cpu-debug.yaml index 0a6bc03ebe00..f7904a7df726 100644 --- a/Documentation/devicetree/bindings/arm/arm,coresight-cpu-debug.yaml +++ b/Documentation/devicetree/bindings/arm/arm,coresight-cpu-debug.yaml @@ -39,6 +39,11 @@ properties: - const: arm,coresight-cpu-debug - const: arm,primecell + device-name: + description: + Define the name which can describe what kind of HW or system the + device is for. + reg: maxItems: 1 diff --git a/Documentation/devicetree/bindings/arm/arm,coresight-cti.yaml b/Documentation/devicetree/bindings/arm/arm,coresight-cti.yaml index 2d5545a2b49c..ba7b4e2db77c 100644 --- a/Documentation/devicetree/bindings/arm/arm,coresight-cti.yaml +++ b/Documentation/devicetree/bindings/arm/arm,coresight-cti.yaml @@ -88,6 +88,11 @@ properties: - const: arm,coresight-cti - const: arm,primecell + device-name: + description: + Define the name which can describe what kind of HW or system the + device is for. + reg: maxItems: 1 diff --git a/Documentation/devicetree/bindings/arm/arm,coresight-dummy-sink.yaml b/Documentation/devicetree/bindings/arm/arm,coresight-dummy-sink.yaml index c960c8e0a9a5..f94e08ca91f0 100644 --- a/Documentation/devicetree/bindings/arm/arm,coresight-dummy-sink.yaml +++ b/Documentation/devicetree/bindings/arm/arm,coresight-dummy-sink.yaml @@ -39,6 +39,11 @@ properties: enum: - arm,coresight-dummy-sink + device-name: + description: + Define the name which can describe what kind of HW or system the + device is for. + in-ports: $ref: /schemas/graph.yaml#/properties/ports diff --git a/Documentation/devicetree/bindings/arm/arm,coresight-dummy-source.yaml b/Documentation/devicetree/bindings/arm/arm,coresight-dummy-source.yaml index 6745b4cc8f1c..031c4a1cb199 100644 --- a/Documentation/devicetree/bindings/arm/arm,coresight-dummy-source.yaml +++ b/Documentation/devicetree/bindings/arm/arm,coresight-dummy-source.yaml @@ -38,6 +38,11 @@ properties: enum: - arm,coresight-dummy-source + device-name: + description: + Define the name which can describe what kind of HW or system the + device is for. + out-ports: $ref: /schemas/graph.yaml#/properties/ports diff --git a/Documentation/devicetree/bindings/arm/arm,coresight-dynamic-funnel.yaml b/Documentation/devicetree/bindings/arm/arm,coresight-dynamic-funnel.yaml index 44a1041cb0fc..2b4829492218 100644 --- a/Documentation/devicetree/bindings/arm/arm,coresight-dynamic-funnel.yaml +++ b/Documentation/devicetree/bindings/arm/arm,coresight-dynamic-funnel.yaml @@ -41,6 +41,11 @@ properties: - const: arm,coresight-dynamic-funnel - const: arm,primecell + device-name: + description: + Define the name which can describe what kind of HW or system the + device is for. + reg: maxItems: 1 diff --git a/Documentation/devicetree/bindings/arm/arm,coresight-dynamic-replicator.yaml b/Documentation/devicetree/bindings/arm/arm,coresight-dynamic-replicator.yaml index 03792e9bd97a..c841db363a87 100644 --- a/Documentation/devicetree/bindings/arm/arm,coresight-dynamic-replicator.yaml +++ b/Documentation/devicetree/bindings/arm/arm,coresight-dynamic-replicator.yaml @@ -41,6 +41,11 @@ properties: - const: arm,coresight-dynamic-replicator - const: arm,primecell + device-name: + description: + Define the name which can describe what kind of HW or system the + device is for. + reg: maxItems: 1 diff --git a/Documentation/devicetree/bindings/arm/arm,coresight-etb10.yaml b/Documentation/devicetree/bindings/arm/arm,coresight-etb10.yaml index 90679788e0bf..6605a8097a14 100644 --- a/Documentation/devicetree/bindings/arm/arm,coresight-etb10.yaml +++ b/Documentation/devicetree/bindings/arm/arm,coresight-etb10.yaml @@ -41,6 +41,11 @@ properties: - const: arm,coresight-etb10 - const: arm,primecell + device-name: + description: + Define the name which can describe what kind of HW or system the + device is for. + reg: maxItems: 1 diff --git a/Documentation/devicetree/bindings/arm/arm,coresight-etm.yaml b/Documentation/devicetree/bindings/arm/arm,coresight-etm.yaml index 01200f67504a..d9ab0fc57f72 100644 --- a/Documentation/devicetree/bindings/arm/arm,coresight-etm.yaml +++ b/Documentation/devicetree/bindings/arm/arm,coresight-etm.yaml @@ -60,6 +60,11 @@ properties: Embedded Trace Macrocell (version 4.x), with system register access only const: arm,coresight-etm4x-sysreg + device-name: + description: + Define the name which can describe what kind of HW or system the + device is for. + reg: maxItems: 1 diff --git a/Documentation/devicetree/bindings/arm/arm,coresight-static-funnel.yaml b/Documentation/devicetree/bindings/arm/arm,coresight-static-funnel.yaml index cc8c3baa79b4..342dfb303072 100644 --- a/Documentation/devicetree/bindings/arm/arm,coresight-static-funnel.yaml +++ b/Documentation/devicetree/bindings/arm/arm,coresight-static-funnel.yaml @@ -27,6 +27,11 @@ properties: compatible: const: arm,coresight-static-funnel + device-name: + description: + Define the name which can describe what kind of HW or system the + device is for. + power-domains: maxItems: 1 diff --git a/Documentation/devicetree/bindings/arm/arm,coresight-static-replicator.yaml b/Documentation/devicetree/bindings/arm/arm,coresight-static-replicator.yaml index 1892a091ac35..eaa828124c58 100644 --- a/Documentation/devicetree/bindings/arm/arm,coresight-static-replicator.yaml +++ b/Documentation/devicetree/bindings/arm/arm,coresight-static-replicator.yaml @@ -27,6 +27,11 @@ properties: compatible: const: arm,coresight-static-replicator + device-name: + description: + Define the name which can describe what kind of HW or system the + device is for. + power-domains: maxItems: 1 diff --git a/Documentation/devicetree/bindings/arm/arm,coresight-stm.yaml b/Documentation/devicetree/bindings/arm/arm,coresight-stm.yaml index 378380c3f5aa..9bc49fed2096 100644 --- a/Documentation/devicetree/bindings/arm/arm,coresight-stm.yaml +++ b/Documentation/devicetree/bindings/arm/arm,coresight-stm.yaml @@ -43,6 +43,11 @@ properties: - const: arm,coresight-stm - const: arm,primecell + device-name: + description: + Define the name which can describe what kind of HW or system the + device is for. + reg: maxItems: 2 diff --git a/Documentation/devicetree/bindings/arm/arm,coresight-tmc.yaml b/Documentation/devicetree/bindings/arm/arm,coresight-tmc.yaml index cb8dceaca70e..ba1dec0f580a 100644 --- a/Documentation/devicetree/bindings/arm/arm,coresight-tmc.yaml +++ b/Documentation/devicetree/bindings/arm/arm,coresight-tmc.yaml @@ -42,6 +42,11 @@ properties: - const: arm,coresight-tmc - const: arm,primecell + device-name: + description: + Define the name which can describe what kind of HW or system the + device is for. + reg: maxItems: 1 diff --git a/Documentation/devicetree/bindings/arm/arm,coresight-tpiu.yaml b/Documentation/devicetree/bindings/arm/arm,coresight-tpiu.yaml index 61a0cdc27745..6a5d0c3468f7 100644 --- a/Documentation/devicetree/bindings/arm/arm,coresight-tpiu.yaml +++ b/Documentation/devicetree/bindings/arm/arm,coresight-tpiu.yaml @@ -41,6 +41,11 @@ properties: - const: arm,coresight-tpiu - const: arm,primecell + device-name: + description: + Define the name which can describe what kind of HW or system the + device is for. + reg: maxItems: 1 diff --git a/Documentation/devicetree/bindings/arm/qcom,coresight-tpda.yaml b/Documentation/devicetree/bindings/arm/qcom,coresight-tpda.yaml index ea3c5db6b52d..31b7d7471a23 100644 --- a/Documentation/devicetree/bindings/arm/qcom,coresight-tpda.yaml +++ b/Documentation/devicetree/bindings/arm/qcom,coresight-tpda.yaml @@ -54,6 +54,11 @@ properties: - const: qcom,coresight-tpda - const: arm,primecell + device-name: + description: + Define the name which can describe what kind of HW or system the + device is for. + reg: minItems: 1 maxItems: 2 diff --git a/Documentation/devicetree/bindings/arm/qcom,coresight-tpdm.yaml b/Documentation/devicetree/bindings/arm/qcom,coresight-tpdm.yaml index 3bad47b7b02b..3b72ca36636e 100644 --- a/Documentation/devicetree/bindings/arm/qcom,coresight-tpdm.yaml +++ b/Documentation/devicetree/bindings/arm/qcom,coresight-tpdm.yaml @@ -40,6 +40,11 @@ properties: - const: qcom,coresight-tpdm - const: arm,primecell + device-name: + description: + Define the name which can describe what kind of HW or system the + device is for. + reg: minItems: 1 maxItems: 2