From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) (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 03CA542CAF9 for ; Thu, 30 Jul 2026 13:21:58 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=170.10.133.124 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785417720; cv=none; b=d5LglN1c4WqaPZ1i6bDp4BFquQJ8bMDwvB2pd/PDl7AH2dtlNHRAdDXnvyt2qto+zUyMIJmrrf86EHS03/dMftKYAL+Q/w+PNBQhMyNvLjWWL6SXNXVppPd3r+e/J53GhanFAZrP0XWf4VuW45vam/L/F3r+CSBOfckVr35F2Po= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785417720; c=relaxed/simple; bh=iqjldl6ziM3PQ/chpIC+u25LH1PALre9JDBnIBTPVPo=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=XX3Z0KBfF6kwEsm+650BLzy1D/Dg5KhgUrmEgZj6v2XKj7qBp7hOO9Xe2xSP+Vujqu/80idBClmIZXRNiR/VHbs4fX4JZophzSSr5+IobcloS+LCi2H8G458IyEDsjUCnHETtu5DOnaRrjq7PMdnJgLRmJ3fwhO44nWHqw/awIo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=redhat.com; spf=pass smtp.mailfrom=redhat.com; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b=UXbQhb4e; arc=none smtp.client-ip=170.10.133.124 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=redhat.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=redhat.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="UXbQhb4e" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1785417718; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=Ve69xuHtOFCsNoesqH3C4cA4WzBZ2DQJvEeMpNiVWr0=; b=UXbQhb4e0RYDW1BsOMMSYu3sNDxxH58SOHbBzCV8mYFmQknCfCKbdPVu7AZ4xSc9ujmtEa 1BdqB2cMudsHYYRmYmWPgaZTn54AEamXXxK728zzw9K6VkqasfGTfV1DdbFWS0rwIL2axW OAVk+gQoM2vq9gWsbZHirMR4RzAlLdk= Received: from mx-prod-mc-08.mail-002.prod.us-west-2.aws.redhat.com (ec2-35-165-154-97.us-west-2.compute.amazonaws.com [35.165.154.97]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-282-hxTusc1oOwOVsax2t1Frlw-1; Thu, 30 Jul 2026 09:21:56 -0400 X-MC-Unique: hxTusc1oOwOVsax2t1Frlw-1 X-Mimecast-MFC-AGG-ID: hxTusc1oOwOVsax2t1Frlw_1785417715 Received: from mx-prod-int-03.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-03.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.12]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-08.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id AE3A118002E2; Thu, 30 Jul 2026 13:21:54 +0000 (UTC) Received: from p16v.redhat.com (unknown [10.44.33.108]) by mx-prod-int-03.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id A27CD1956094; Thu, 30 Jul 2026 13:21:51 +0000 (UTC) From: Ivan Vecera To: netdev@vger.kernel.org Cc: Arkadiusz Kubalewski , Jakub Kicinski , Jiri Pirko , Paolo Abeni , Petr Oros , Prathosh Satish , Richard Cochran , Vadim Fedorenko , linux-kernel@vger.kernel.org Subject: [PATCH net-next v3 0/3] dpll: zl3073x: add PTP clock support Date: Thu, 30 Jul 2026 15:21:47 +0200 Message-ID: <20260730132150.371376-1-ivecera@redhat.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 3.0 on 10.30.177.12 Add PTP hardware clock support to the zl3073x DPLL driver. Patch 1 adds low-level channel operations for ToD read/write/adjust, output phase step, delta frequency offset write and TIE write as building blocks for PTP callbacks. Patch 2 factors out the output pin frequency setting logic into an unlocked helper callable from internal contexts. Patch 3 registers a PTP clock device for each DPLL channel with gettimex64, settime64, adjtime, adjfine, adjphase, getmaxphase and perout callbacks. Callback availability adapts to the current channel state - adjfine requires NCO pin connected, adjphase uses TIE write when tracking a reference, and adjtime selects the appropriate mechanism automatically. Link: https://lore.kernel.org/netdev/20260713103739.1553284-1-ivecera@redhat.com/ Link: https://lore.kernel.org/netdev/20260708170527.916035-1-ivecera@redhat.com/ Changes: v3: - Use PTP_1588_CLOCK instead of PTP_1588_CLOCK_OPTIONAL (Jakub) - Factor out output pin frequency helper to a separate commit (Jakub) - Remove spurious #include from dpll.h (Jakub) v2: - Squash low-level ops patches (1+3) into patch 1. - Squash PTP callback patches (2+4) into patch 2, register PTP clock regardless of initial channel state. Ivan Vecera (3): dpll: zl3073x: add channel ToD, phase step and TIE operations dpll: zl3073x: refactor output pin frequency set for internal use dpll: zl3073x: add PTP clock support drivers/dpll/zl3073x/Kconfig | 6 +- drivers/dpll/zl3073x/chan.c | 307 +++++++++++++++++++ drivers/dpll/zl3073x/chan.h | 48 +++ drivers/dpll/zl3073x/core.c | 8 + drivers/dpll/zl3073x/core.h | 8 + drivers/dpll/zl3073x/dpll.c | 575 +++++++++++++++++++++++++++++++++-- drivers/dpll/zl3073x/dpll.h | 5 + drivers/dpll/zl3073x/regs.h | 56 ++++ 8 files changed, 977 insertions(+), 36 deletions(-) base-commit: a5c6ae8de11ef0c3aedbe5e123354aad87d0d925 -- 2.54.0