From mboxrd@z Thu Jan 1 00:00:00 1970 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 49DD83B8BA1 for ; Fri, 17 Jul 2026 23:13:35 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=205.220.168.131 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784330019; cv=none; b=Om4057inF+ZNGpTtpLsgtQ8D/Jqd82nqNJ8oLIqrh+IQs9gn/ObGn86Vfr9HA82ECLVv11AwAUIGm5+2rICcXdV/KXDe64sBPi6H+9Z4DylPex/VxEmeovBEIsQblhiir4gpOvqQNKtpmFLvmOTIj8BXMfhbP8II1zgRAeu7/dI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784330019; c=relaxed/simple; bh=Hrq9ooj07d7KSBsbP+6CKiVMGL7EDngaZJ/FHtG1PAk=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=W0Vl8ZhFGcQrowQAQJKq0xXwkQ/A3tWHks5ZQ/yHNw7aN1rFNxYooKu5Xy3VWZEhBH3Wg122VB2acfoBB3vrRgh9gMszS6EGlg85bgr072s2gh9cuXM065njm18NBy4sNcVeWaAywav/rP7Y/sCAb/Hj5MAxiFWiuD5R3SGaPi4= 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=MVU7GOca; dkim=pass (2048-bit key) header.d=oss.qualcomm.com header.i=@oss.qualcomm.com header.b=dXKi6DIs; arc=none smtp.client-ip=205.220.168.131 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="MVU7GOca"; dkim=pass (2048-bit key) header.d=oss.qualcomm.com header.i=@oss.qualcomm.com header.b="dXKi6DIs" Received: from pps.filterd (m0279867.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.18.1.11/8.18.1.11) with ESMTP id 66HJtW9J3901539 for ; Fri, 17 Jul 2026 23:13:34 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=qualcomm.com; h= cc:content-transfer-encoding:date:from:message-id:mime-version :subject:to; s=qcppdkim1; bh=CuIes9AoHpQA1RqGyTqyeC/F1pfUSMyXoGM Ky0qhZGo=; b=MVU7GOcawCgjJh+4m2o8fBKBS0L0K2XpdSr7Sk30kNe/sxOgis2 A4mVNGD+hFH/HI7zSb6pY26Qkrh5oL9/Yq3d75OpHr0/ARfDmlsbTOVy7fRItYj7 xCpTKj5mHRCVcBJKet6MgMzuxvSubPoKilRKWM8hfAPGEUbFsdKH/idS6xUyLavL SnSXSO8rhf6eQ1giOMWEZpra/cunxoOXo30FuRScrpEZbjrJqMc5IZZe5Z/g4y8U ydakKLJ6y0GqJqIGuJvCjff+c0XgbaafuNTyrnUGdmkXaiRy0LCIAD2xReJ9XXlQ f9+rdiYeyLAVK59d/bRfVE0n04T7BR5N+Rw== Received: from mail-pl1-f199.google.com (mail-pl1-f199.google.com [209.85.214.199]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 4ffqvf9dce-1 (version=TLSv1.3 cipher=TLS_AES_128_GCM_SHA256 bits=128 verify=NOT) for ; Fri, 17 Jul 2026 23:13:34 +0000 (GMT) Received: by mail-pl1-f199.google.com with SMTP id d9443c01a7336-2cf27789c79so25178515ad.2 for ; Fri, 17 Jul 2026 16:13:34 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oss.qualcomm.com; s=google; t=1784330013; x=1784934813; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to:content-type; bh=CuIes9AoHpQA1RqGyTqyeC/F1pfUSMyXoGMKy0qhZGo=; b=dXKi6DIs+S49S8BU9SgH3Bg+AxmAJaAm3dxicHeEWurU81KNDIl7upYJFW8V1R0BPL UWWJiyYJz/jvLxTMy7TOLhg1sSewMyiiEGPohUj0hx5PFK/NX/hCEC7MrgffUBBkjgh7 zxhbDVX0iyqNdJKJ8k8j+BYzEp+ANDoI/Zc2vNyXesPf6y4VtSki9NWDCG1xHN0JN8e7 YF6YsPJ5VOa6TwimUGs4IO/UfUi7w2PWp8VwUyVS0p28puJB9Jb/y+YjQtx8ZPDI8Xfo OjH6mlyeGSr7hHvhBJUH7ScdEtiCEkLXo+9AZSaUOwTp64CpHok1nNFgcmVgqrL17PQo kViw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1784330013; x=1784934813; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-gg:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to:content-type; bh=CuIes9AoHpQA1RqGyTqyeC/F1pfUSMyXoGMKy0qhZGo=; b=ivWfks9MHlAyx9O33kjznzOuDtjgIX9t9O//e/O7+hBFxpapOFkTf7hBG7SIpMHcAa FwIvN74TMM6M7rRvQkxoPnaXu4uv6Uf23zrhFARnSwuwpYSi8hPWg0DgmanD5euY7pkG tZ4boFzfDK8N+NXWJJr0kx5MrNsjag5LVlq1KWO08NxqmzpeRuou0WEbJtqBv7d9jjhj vuQuAvhqXl5UZRBE/VJVFfuRTTvSwsjJj2kBqkstCp01XkWam4/RGfdZUWZZfU+DoWuw FwEiHEZpt3f9GAwuG7ls/DJgiEDVRXp3Ig9+fooHaKbuAuIMh1jnTzKzedRiWTkO0+Iz Gptg== X-Forwarded-Encrypted: i=1; AHgh+Rp4NtcBsUo8JKbqT84fLD25RzsFf+21Vp9tTlvY0W4NPOJ7JSdk/E7PA4fRLwTNiqcj+pMFd5/6FYRDfjA=@vger.kernel.org X-Gm-Message-State: AOJu0Yy99bNnnWRpbKjmn4jE9/4EADbjXrZv6BTtbtahV/TKX1tu2RLL DLgu73Y0qgqOOQ+g/po5GWh5WveQ0HEiKKl79wKzEA0VcRQi8UJp/EKZRzA51P3F17o7wXagAPd L22gHc6HH/jtcu/QFSs14MXrvLxggte+CcUk/hIXuDVruYB0KYnLDRht6ZQed1Vz7/Lw= X-Gm-Gg: AfdE7cnoTS71NDUwDQdUgLQMOUNpw+15Z1CFN5bb+bDYZA5kawAY+GkhpGV9kXXCheF 33HPGTxq5FXkCU9+ZhqZIHqLqtmDdi2zJzyDvZdddhcGRgoy+wkkeJq2aSgEHLziYW99v+0J1a0 h7okMooCVEShqTNCwyRtSKYJmd2gkWSxZZ1hfBoGiXKeoF68+le/BxUtyjjNULYd/BTpXVAfo+P PiROl/ZzRlIGX6Zo4NFCg1zJrVJmsn02E/mw4tiPERowNMGkDYLSBwmDf/0kXU+c7IN/S9dMK8n KJPhkFHyCyaVkwPf7Vp01JyiM0cG8par8/zglfPu6J13Lce/Cqx6m40MOaWZ3pgWgLDuPdibUF0 rCdWCaEXVp67F8/GTjSMiYrIx6ajiX9TprDCwzDZLd4Rx+uGXj3vuuA4= X-Received: by 2002:a17:90b:2f0d:b0:387:e0db:bc33 with SMTP id 98e67ed59e1d1-38e4b5726e0mr5062865a91.41.1784330013514; Fri, 17 Jul 2026 16:13:33 -0700 (PDT) X-Received: by 2002:a17:90b:2f0d:b0:387:e0db:bc33 with SMTP id 98e67ed59e1d1-38e4b5726e0mr5062834a91.41.1784330013004; Fri, 17 Jul 2026 16:13:33 -0700 (PDT) Received: from hu-aarunnan-lv.qualcomm.com (Global_NAT1.qualcomm.com. [129.46.96.20]) by smtp.gmail.com with ESMTPSA id a92af1059eb24-13ce2a18a47sm8145264c88.8.2026.07.17.16.13.32 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 17 Jul 2026 16:13:32 -0700 (PDT) From: Anusha Arun Nandi To: linux-media@vger.kernel.org Cc: anusha.nandi@oss.qualcomm.com, bryan.odonoghue@linaro.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, jigarkumar.zala@oss.qualcomm.com, gjorgji.rosikopulos@oss.qualcomm.com Subject: [PATCH 0/6] media: qcom: camss: Add C-PHY support for sa8775p, sa8300 and sm8250 Date: Fri, 17 Jul 2026 16:13:25 -0700 Message-Id: <20260717231331.1229693-1-anusha.nandi@oss.qualcomm.com> X-Mailer: git-send-email 2.34.1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Proofpoint-GUID: MqX-uATwSn0SGYkOwQhTmTVc3w-9zVQ9 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNzE3MDIzOCBTYWx0ZWRfX/9OhYqXEhJke 1SSaN3I8s+3i4GMMvJhmz/qLNpDkX5Sb+4fXZ139FH4G5q2mKi+h0nagQ8HYvDPjRECVAmTaCXv GyKG157iLrDlia5A/G0gQCNbVmO86wqxk3F7N56od5/u7CYgIoDB+v8hAvl0aR9URw0hnpaBaLv UwyqwX1o/JLIBceupdOK7bMJoJcf/pA1qyL/y7EgvQ8ZhJPDqSB+FrfMdEDpJFPZlycRSsuLb+/ SwtMHSfazOEZ1OPGwNGlsQqUm/uQkCH39R5sw2cMCXJLkkHDaqV8uGmqoAcV/P1pRhlTv4PVTfc GGcEzpY25rp/chutXDFp9brGhF0wnDlRIR5TsmehQzSDAs5J9eCtI+OhZJ3QzdvN8DtReuPCJuC pjJr8aOVb0dQoa3UQdv/fRcGGC5BuLNf5YvREQaiMBcSnH5PteV7cKzFkZ+hJ5q9G5RvjtK4FNY rFUKAd6aG6X8WMsogDA== X-Proofpoint-ORIG-GUID: MqX-uATwSn0SGYkOwQhTmTVc3w-9zVQ9 X-Proofpoint-Spam-Info: AW1haW4tMjYwNzE3MDIzOCBTYWx0ZWRfX3KOxL5WQEXW2 wCbLr4yT41MIf/WbpYgmJtJs2+puavqwpsRhijrKRj4ETtJHoQlligVg3MZ1w3ciOh5oiIVQn/I AHp6dUCNvehzhnaqpBAjm0ihd08o9kM= X-Authority-Analysis: v=2.4 cv=OPMXGyaB c=1 sm=1 tr=0 ts=6a5ab71e cx=c_pps a=JL+w9abYAAE89/QcEU+0QA==:117 a=ouPCqIW2jiPt+lZRy3xVPw==:17 a=RAioF0-LDSMA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=eoimf2acIAo5FJnRuUoq:22 a=VwQbUJbxAAAA:8 a=EUspDBNiAAAA:8 a=RE83naAZxIoHJT4xGO4A:9 a=324X-CrmTo6CU4MGRt3R:22 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-07-17_06,2026-07-17_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 lowpriorityscore=0 clxscore=1011 priorityscore=1501 malwarescore=0 bulkscore=0 suspectscore=0 adultscore=0 phishscore=0 spamscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2607170238 This series extends the Qualcomm CAMSS (Camera Subsystem) C-PHY support to the Gen3 platforms, adding C-PHY mode configuration for sa8775p (CAMSS_8775P) and sa8300 (CAMSS_8300), along with a dynamic, data-rate specific C-PHY register programming mechanism. It builds on David Heidelberg's C-PHY enablement work for Qualcomm platforms: - Program the common control registers and prepare the CSID RX path to select between C-PHY and D-PHY for Gen3. - Add the sa8775p C-PHY 3ph lane register table and wire it up for sa8775p and sa8300. - Introduce a data-rate selection mechanism so the C-PHY PHY register overrides vary with the negotiated link (symbol) data rate, with tables for sa8775p/8300 (1.5/1.7/2.5/3.5/4.5 GSpS) and sm8250 (2.5/3.5/4.5 GSpS). - Validate that the local (CSIPHY) and remote (sensor) endpoint bus-types agree, catching C-PHY/D-PHY mismatches early at probe. Rebased on David Heidelberg's C-PHY series (v9): https://lore.kernel.org/all/20260617-qcom-cphy-v9-0-83da8a8e4e44@ixit.cz/ Tested on sm8250, sa8775p and sa8300, on top of the v4 revision of that series: https://lore.kernel.org/all/20260301-qcom-cphy-v4-0-e53316d2cc65@ixit.cz/ Anusha Arun Nandi (3): media: qcom: camss: Add sa8300 C-PHY 3ph lane config media: qcom: camss: Dynamic data-rate specific C-PHY register settings media: qcom: camss: validate local/remote endpoint bus-type Jigarkumar Zala (3): media: qcom: camss: Program CSIPHY common control registers media: qcom: camss: Prepare CSID for C-PHY support in gen3 media: qcom: camss: Add sa8775p C-PHY 3ph lane config .../platform/qcom/camss/camss-csid-gen3.c | 2 + .../qcom/camss/camss-csiphy-3ph-1-0.c | 394 +++++++++++++++++- .../media/platform/qcom/camss/camss-csiphy.h | 6 + drivers/media/platform/qcom/camss/camss.c | 28 +- 4 files changed, 420 insertions(+), 10 deletions(-) --- base-commit: 0e35b9b6ec0ffcc5e23cbdec09f5c622ad532b53 change-id: 20251109-qcom-cphy-bb8cbda1c644 Best regards, -- Anusha Arun Nandi