From mboxrd@z Thu Jan 1 00:00:00 1970 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 22A3548CD4B for ; Thu, 13 Aug 2026 15:52:52 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=205.220.180.131 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786636375; cv=none; b=dhOR2jxzfWf4qNHc8fpKQibC1cV60HmJ25wldOogBuC0mFA8HDJQ07zx3UHYYbNno8ER/4bgZTNTfN9gLAYGIBVe2fSwMnYhkdHGWp6midUNTezMzCtLbLNVNOZ7VdEavjNvnz84qxKttmreXDcDnnsVfhf2UNJFWHA8hY68qlA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786636375; c=relaxed/simple; bh=hkHxholCTGl9sucmyJ3W/YgVCz0/mwmGUzJXzmGXAUk=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=TOMC1oneBJB4F+5ECH62+dPV0E/O3yl+l3uGxmTi3b5y/Azov1k9KqQhI4izsmv5c46IAOfK7iHUNP+oHeCcVyoC5HX7ZB6NLTGkseDfmeVsJazVRvnSh4hYSTLIFfZhLUaMzpSBfB0YsEHaD89Ooko1iibX3t+B1r7px6rSdbs= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=oss.qualcomm.com; spf=pass smtp.mailfrom=oss.qualcomm.com; dkim=pass (2048-bit key) header.d=qualcomm.com header.i=@qualcomm.com header.b=lKG5QdlE; dkim=pass (2048-bit key) header.d=oss.qualcomm.com header.i=@oss.qualcomm.com header.b=Gsdyv4CU; arc=none smtp.client-ip=205.220.180.131 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=oss.qualcomm.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=oss.qualcomm.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=qualcomm.com header.i=@qualcomm.com header.b="lKG5QdlE"; dkim=pass (2048-bit key) header.d=oss.qualcomm.com header.i=@oss.qualcomm.com header.b="Gsdyv4CU" Received: from pps.filterd (m0279872.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.18.1.11/8.18.1.11) with ESMTP id 67DFUYih2824503 for ; Thu, 13 Aug 2026 15:52:51 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=qualcomm.com; h= cc:content-transfer-encoding:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to; s=qcppdkim1; bh= +vJkWved/i+bvy5D1hWgjj8/NbROnWS4fXHGrV1BFc4=; b=lKG5QdlEYsA+I0iH pc1Gslni6YxrHJak4wEKmiTV0N9w1QImxsQZ+R00HRA2Ummn5FtWM6VqMHAUORqg GSe/Wz1bfQ4oiJFGdPNTm3Vte8VedlQbodBDs6UFtMbcQQThGm818JZLk3BJPmZo HsobIEqZopCI+TjujXiP7AV8oZODziG5F06g+IGmO2yLzjUJLRniWurQVAyMsD+a LrfPO/Rk+icQE0x5L0MzREVz3csRL7XdDuGoG4f6xUCop4zvdEPrJFB7Yh2A0rLc dWsdhY9BfEvQxGouSzRZsMy3RTb6hzTTsjl7GrIJaVnjgrYp/LZGcTgPRLQZRF7a 47s0kA== Received: from mail-pf1-f200.google.com (mail-pf1-f200.google.com [209.85.210.200]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 4g158gb49y-1 (version=TLSv1.3 cipher=TLS_AES_128_GCM_SHA256 bits=128 verify=NOT) for ; Thu, 13 Aug 2026 15:52:51 +0000 (GMT) Received: by mail-pf1-f200.google.com with SMTP id d2e1a72fcca58-8488ac68185so1792436b3a.2 for ; Thu, 13 Aug 2026 08:52:51 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oss.qualcomm.com; s=google; t=1786636370; x=1787241170; darn=vger.kernel.org; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :content-type:mime-version:subject:date:from:from:to:cc:subject:date :message-id:reply-to:content-type; bh=+vJkWved/i+bvy5D1hWgjj8/NbROnWS4fXHGrV1BFc4=; b=Gsdyv4CUYHcBHvKgwfOBQ9AXG0v9uEz9EUZz+rEdBsZMbOwk4+ocvyNCEhdZwTdtmv squPe+65rWJbZZxWvMKxLYU8Jf+ww9wh7k/ovM8KuO4WsPks0Ikhn9OnApZfxE5p1MMk WhApb+qezqq81zzP8Ep3YvyM0BqHmVVBLM2TJg3fLbL5YZI4OaQMCKdEjcrTW5/ZhX+d P8RkYfaNCAuMqCDmhp0ONrzLQO588SPB+h+MGssaXKmkSdVXY6H8i0ceFbNa7KiirVLw oJaQUhhZsrv9OPE12nDRif2bBo9X2kVVNxFnIauUgECe8SiRZvb6w+aU8bfxC3jDC5cP kELQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1786636370; x=1787241170; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :content-type:mime-version:subject:date:from:x-gm-gg :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to :content-type; bh=+vJkWved/i+bvy5D1hWgjj8/NbROnWS4fXHGrV1BFc4=; b=pNUwAUkRSS8vroQmMPXN+GVIzHMD/lpVZuKL9gRIurlD9NC2jiIjfYnbkqaEem8ATI eW3+Y3hszEw0cObELWLucBM5DWfDyoBwXtiJNO5Kb1DNDS3XwdVvhPirzLykMFOEOnV3 Jk+JHaOU5jF8o+lyPN0QCzySbOLkACtZG+uPGb1sbEGhisGqKpLW8q1jaSQKgVtxq5rh tKgvvlwDLLucYKxotrWHWXXfD6kyIgqOrxFuWDZNS84byunv3XroTBJjkK69AJPxRNv+ lNsYU0PZtGOAOe3qFMBkn9C/OA+w1OFss0j3xc9rLFH9paAZL+OXQSE1GwFoVAZkjpY/ FGKQ== X-Forwarded-Encrypted: i=1; AHgh+RrQSGlrgJ4u9Urv81C4nkr2yOMdPDDYpWxZn0Ey8oqnP5OobArIiQThfxvJqgxqsCj0SStkiy7OI/HDGio=@vger.kernel.org X-Gm-Message-State: AOJu0Yw+Pje7kRvUYptlk01g1MrJyK6ZTdwXIJoMafS93vHfLm015/H+ RH8YifSPrsG4TLu0313+toIoRyfx9Dxxcite9DsBGBCTNS3T5+zx3Wg/KfcN7AQ8YH7eJVzbn05 duGM85lOvGJOfG1IWAPFXRzzWkkWmqoieL3cAWGyqgJSDJY3dcWYisnaaxj5/Q6q9Hvc= X-Gm-Gg: AR+sD12Zs3JskpYio83AuEu5Vk+dThwYBOWxO8qqb9KFXLYDlJWuh480Yhu2Qyjbme+ q/utuRRqGtdEkCIqWEXg+pp4rLRYpJmGt19r0GJXVT84/GTq+ids8ZmoaMjNvEtPDX0i2LMkZiN hq/SYAlYgVTnOHtICIN7yZEUUEX3Ngke+4dwQtTpePhu6j47Wod0KuedJTX4vATsgGqySrHDRJ3 phlug4q3A9XyklbCqM8tovQB/cevmMCODoDaUQJvXrNYY4jLujXa85hgmE9GUZaPcAGX2BmmSp7 aHmHgKGXJCE8zZOehC8dCMBt8i4TDxyxuiu8j6/HLyb39hBtq9oaj38yYVKxhjrR6FphDPWTg0O 9wevXDF+E20QWalrNA+v6QtViskIK4WnBpGtm X-Received: by 2002:a05:6a00:1898:b0:84f:b01d:3693 with SMTP id d2e1a72fcca58-84fc74f90fcmr7388261b3a.15.1786636370028; Thu, 13 Aug 2026 08:52:50 -0700 (PDT) X-Received: by 2002:a05:6a00:1898:b0:84f:b01d:3693 with SMTP id d2e1a72fcca58-84fc74f90fcmr7388208b3a.15.1786636369581; Thu, 13 Aug 2026 08:52:49 -0700 (PDT) Received: from hu-vdadhani-hyd.qualcomm.com ([202.46.23.25]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-84fc45627cdsm1156401b3a.5.2026.08.13.08.52.45 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 13 Aug 2026 08:52:48 -0700 (PDT) From: Viken Dadhaniya Date: Thu, 13 Aug 2026 21:22:32 +0530 Subject: [PATCH v3 1/2] dt-bindings: i2c: Add Qualcomm I2C target controller Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260813-i2c-qcom-slave-v3-1-1d3742e2ad47@oss.qualcomm.com> References: <20260813-i2c-qcom-slave-v3-0-1d3742e2ad47@oss.qualcomm.com> In-Reply-To: <20260813-i2c-qcom-slave-v3-0-1d3742e2ad47@oss.qualcomm.com> To: Mukesh Kumar Savaliya , Andi Shyti , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: linux-arm-msm@vger.kernel.org, linux-i2c@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Viken Dadhaniya X-Mailer: b4 0.16-dev X-Developer-Signature: v=1; a=ed25519-sha256; t=1786636361; l=2717; i=viken.dadhaniya@oss.qualcomm.com; s=20260324; h=from:subject:message-id; bh=hkHxholCTGl9sucmyJ3W/YgVCz0/mwmGUzJXzmGXAUk=; b=7J8TpCGVBEn1xghbLE8yFdwGzF28xG8QE8uM0hsanpVu62MZ3ofwPvChv8PeS6PpkgBX4dk0n Y7nn2mySW+XAdumRmxSkhSZjgYzajgrVQ4vlnsA6rAG1zLvNWvhyZLr X-Developer-Key: i=viken.dadhaniya@oss.qualcomm.com; a=ed25519; pk=C39f+LOIGhh/02LQpT46TsUSXRvBn9qXC8Xb26KJ44Y= X-Proofpoint-ORIG-GUID: A59WR9otIQdM4byonme--3I6Lpuhx8I4 X-Proofpoint-Spam-Info: AW1haW4tMjYwODEzMDExNCBTYWx0ZWRfX9YzML3opLV8M PnL8hcmHfnjzY5ahdREfFWpgdWx3oNZO4B4VmKrlEhwKqsNsusn0lGoEGhPMroAT6zvGcY9F4cm 2MDvIgwVgnkBnWX9WqwJwvyuMsf0140= X-Authority-Analysis: v=2.4 cv=G5ks1dk5 c=1 sm=1 tr=0 ts=6a7de853 cx=c_pps a=mDZGXZTwRPZaeRUbqKGCBw==:117 a=ZePRamnt/+rB5gQjfz0u9A==:17 a=IkcTkHD0fZMA:10 a=Sv0fKeRqtYgA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=yx91gb_oNiZeI1HMLzn7:22 a=gEfo2CItAAAA:8 a=EUspDBNiAAAA:8 a=64-jBHeFNbSwsrqMnDgA:9 a=QEXdDO2ut3YA:10 a=zc0IvFSfCIW2DFIPzwfm:22 a=sptkURWiP4Gy88Gu7hUp:22 X-Proofpoint-GUID: A59WR9otIQdM4byonme--3I6Lpuhx8I4 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwODEzMDExNCBTYWx0ZWRfX5gCh4IpYilw/ vE7hsnldAMqKkpW0XQQxG6TlUJv7P1klWLM/vjG3AqSJ9RkfZQGWl36Qo1fFmy13M7AUBFlCEYD yMWxx6RiaoYy/F3ZNREvVAlhYi+wL5Ji0bDQZszpj2ewhDFV6KDkXEwbmL6lJZSYHP462k9igsu F8/4i+82rQq2UxGiyhX0eCxJwflMLikB89zcRbO5XyC24hN4JNEeyAgbzMQiDYbVqYz3KbNs3WG H2ukf2gQzIYg5LxyYDzAchXMcmzJqlaoNnGSJW3VOsHmdn860xyxL/H1hChQ+dwVXHHC+WJFa5z EfZ5gnujvf09bp9qKdwhQGUfZhcJ86iz1Sa9X5B1RaeOdTkZAxgQeo05esc3k8uJs4RS4K1h4xr Yxz2uypF4JDIvXUbS9Pf81WnFXXcv0Xk1yXod0qnXW6lHqxtJOEgFQYR3ggmJ6k5Urt4/z9dcIb swzINT0/cSE+ZSD2sgQ== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-08-13_05,2026-08-12_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 spamscore=0 lowpriorityscore=0 impostorscore=0 phishscore=0 adultscore=0 suspectscore=0 priorityscore=1501 malwarescore=0 bulkscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2608130114 QDU1000 and related Qualcomm SoCs include a dedicated I2C target controller that operates exclusively in target mode. It is a distinct IP from the Qualcomm I2C master controllers (GENI, QUP) with a different register interface, so it requires its own binding. Document the MMIO region, interrupt, XO and AHB clocks, interconnect path, and optional pinctrl states for the controller. Signed-off-by: Viken Dadhaniya --- .../bindings/i2c/qcom,qdu1000-i2c-target.yaml | 75 ++++++++++++++++++++++ 1 file changed, 75 insertions(+) diff --git a/Documentation/devicetree/bindings/i2c/qcom,qdu1000-i2c-target.yaml b/Documentation/devicetree/bindings/i2c/qcom,qdu1000-i2c-target.yaml new file mode 100644 index 000000000000..9a6b08f0ab0e --- /dev/null +++ b/Documentation/devicetree/bindings/i2c/qcom,qdu1000-i2c-target.yaml @@ -0,0 +1,75 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/i2c/qcom,qdu1000-i2c-target.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Qualcomm I2C Target Controller + +maintainers: + - Mukesh Kumar Savaliya + - Viken Dadhaniya + +description: + Dedicated hardware IP found on Qualcomm SoCs that operates exclusively + as an I2C target (slave) device on the bus. Supports FIFO (PIO) mode + for data transfer. + +properties: + compatible: + enum: + - qcom,qdu1000-i2c-target + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + items: + - description: XO reference clock + - description: AHB bus clock + + clock-names: + items: + - const: xo + - const: ahb + + interconnects: + maxItems: 1 + + pinctrl-0: true + pinctrl-1: true + + pinctrl-names: + minItems: 1 + items: + - const: default + - const: sleep + +required: + - compatible + - reg + - interrupts + - clocks + - clock-names + - interconnects + +additionalProperties: false + +examples: + - | + #include + #include + #include + + i2c@88ca000 { + compatible = "qcom,qdu1000-i2c-target"; + reg = <0x88ca000 0x64>; + clocks = <&gcc GCC_SM_BUS_XO_CLK>, <&gcc GCC_SM_BUS_AHB_CLK>; + clock-names = "xo", "ahb"; + interrupts = ; + interconnects = <&gem_noc MASTER_APPSS_PROC 0 &config_noc SLAVE_SMBUS_CFG 0>; + }; +... -- 2.34.1