From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.13]) (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 7FECD221DB5 for ; Sun, 27 Jul 2025 19:19:57 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.13 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1753643999; cv=none; b=OEzSPKAVVNB6a7oLtuSJsrdghi/tlJD9HRi1oGsXL91tFwW+5dlcVVojf+HNwFIvgHcZhki8sljt6XNU4h1KmVdJ3IVN0qBlT/8Y/S8XA8idfnFIz6qnbl+LEMZsRkz6naYiq+HYlJcCyg240K+IaomlboXZS7NN78zVfF8Zj/o= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1753643999; c=relaxed/simple; bh=ODQad/kLebqtWcgou3DFGpBib/gjsX4M3+AiroUgXOs=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=ljwZo6Djn36OFF/DmOpu6+sceWB14mKGZyKk06kY0ejHdBKLtTzKKlPQ5ADMX1FjMlDU6BgjLlhloae0edfhTWBkWorlZ3JQgSpto8tHLVHfH2tzU2q/so9eKoa16XcNM2L46hOqC7+2yJsfYdh+lLHumX4gyS/V2kZMJJAdvLE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com; spf=none smtp.mailfrom=linux.intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=FRviUR+8; arc=none smtp.client-ip=192.198.163.13 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="FRviUR+8" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1753643998; x=1785179998; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=ODQad/kLebqtWcgou3DFGpBib/gjsX4M3+AiroUgXOs=; b=FRviUR+8bGTISj1QxV+JqdMHItlTPdKDfFcPs5G3ilGiXupsgVDUEAjY vAOHPkSM/sTRJ2dedP2BQdnUWLd0WpzDXyoTwlR3SI1KT5mgZzwGgI6Sl aEUtEqmVvNo1RWSvm9r0otA4wi9nHVyQcMY5iPtvepufvvcRYmwS+C3JK IjguS845BrrUoZffosv/pZX6AAJusSJ7H/Vu8IqDSr9kU1/sq7taxWBq+ VqKHYPdyhQ/agzqE6wP5cAn8RHY0gFMp14acuYOhRrIOfT/WRaaFJzmVf mG2vOzuPpKXZfS6VHO8k7FastxE6zSXP9G/ms8erY+gOTSiTf59Q6sNsP w==; X-CSE-ConnectionGUID: 9SS6kHcXRq+RwBpQhGtqNg== X-CSE-MsgGUID: lgSWdk8cRm6d7RPlrLLwvw== X-IronPort-AV: E=McAfee;i="6800,10657,11504"; a="58518750" X-IronPort-AV: E=Sophos;i="6.16,339,1744095600"; d="scan'208";a="58518750" Received: from orviesa002.jf.intel.com ([10.64.159.142]) by fmvoesa107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 Jul 2025 12:19:57 -0700 X-CSE-ConnectionGUID: Wlqgd4GMRi2rWUo+AG9GTw== X-CSE-MsgGUID: ftSqS2g5RKOKTsUxssggWQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.16,339,1744095600"; d="scan'208";a="193215578" Received: from mjarzebo-mobl1.ger.corp.intel.com (HELO kekkonen.fi.intel.com) ([10.245.245.124]) by orviesa002-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 Jul 2025 12:19:53 -0700 Received: from kekkonen.localdomain (localhost [127.0.0.1]) by kekkonen.fi.intel.com (Postfix) with SMTP id 821F111FAF5; Sun, 27 Jul 2025 22:19:49 +0300 (EEST) Date: Sun, 27 Jul 2025 19:19:49 +0000 Organization: Intel Finland Oy - BIC 0357606-4 - c/o Alberga Business Park, 6 krs, Bertel Jungin Aukio 5, 02600 Espoo From: Sakari Ailus To: Cosmin Tanislav Cc: Cosmin Tanislav , Tomi Valkeinen , Mauro Carvalho Chehab , Rob Herring , Niklas =?iso-8859-1?Q?S=F6derlund?= , Julien Massot , Laurent Pinchart , Greg Kroah-Hartman , Linus Walleij , linux-media@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-staging@lists.linux.dev, linux-gpio@vger.kernel.org Subject: Re: [PATCH v7 14/24] dt-bindings: media: i2c: add MAX9296A, MAX96716A, MAX96792A Message-ID: References: <20250718152500.2656391-1-demonsingur@gmail.com> <20250718152500.2656391-15-demonsingur@gmail.com> Precedence: bulk X-Mailing-List: linux-staging@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250718152500.2656391-15-demonsingur@gmail.com> Hi Cosmin, On Fri, Jul 18, 2025 at 06:24:50PM +0300, Cosmin Tanislav wrote: > The MAX9296A deserializer converts single or dual serial inputs to MIPI > CSI-2 outputs. The GMSL2 links operate at a fixed rate of 3Gbps or 6Gbps > in the forward direction and 187.5Mbps in the reverse direction. > In GMSL1 mode, each serial link can be paired with 3.12Gbps or 1.5Gbps > GMSL1 serializers or operate up to 4.5Gbps with GMSL2 serializers with > GMSL1 backward compatibility. The MAX9296A supports mixed GMSL2 and > GMSL1 links. The serial inputs operate independently, allowing videos > with different timings and resolutions to be received on each input. C-PHY or D-PHY? I'd assume the latter? > > MAX96716A supports both tunnel and pixel mode. > MAX96792A supports both tunnel and pixel mode, and has two GMSL3 links. > > Signed-off-by: Cosmin Tanislav > Acked-by: Rob Herring (Arm) > --- > .../bindings/media/i2c/maxim,max9296a.yaml | 242 ++++++++++++++++++ > MAINTAINERS | 6 + > 2 files changed, 248 insertions(+) > create mode 100644 Documentation/devicetree/bindings/media/i2c/maxim,max9296a.yaml > > diff --git a/Documentation/devicetree/bindings/media/i2c/maxim,max9296a.yaml b/Documentation/devicetree/bindings/media/i2c/maxim,max9296a.yaml > new file mode 100644 > index 0000000000000..4f2b3b5b69cf4 > --- /dev/null > +++ b/Documentation/devicetree/bindings/media/i2c/maxim,max9296a.yaml > @@ -0,0 +1,242 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +# Copyright (C) 2024 Collabora Ltd. > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/media/i2c/maxim,max9296a.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Maxim MAX9296A GMSL2 to CSI-2 Deserializer > + > +maintainers: > + - Cosmin Tanislav > + > +description: > > + The MAX9296A deserializer converts single or dual serial inputs to > + MIPI CSI-2 outputs. The GMSL2 links operate at a fixed rate of 3Gbps > + or 6Gbps in the forward direction and 187.5Mbps in the reverse > + direction. In GMSL1 mode, each serial link can be paired with 3.12Gbps > + or 1.5Gbps GMSL1 serializers or operate up to 4.5Gbps with GMSL2 > + serializers with GMSL1 backward compatibility. The MAX9296A supports > + mixed GMSL2 and GMSL1 links. The serial inputs operate independently, > + allowing videos with different timings and resolutions to be received > + on each input. > + > + MAX96716A supports both tunnel and pixel mode. > + > + MAX96792A supports both tunnel and pixel mode, and has two GMSL3 links. > + > +properties: > + compatible: > + enum: > + - maxim,max9296a > + - maxim,max96716a > + - maxim,max96792a > + > + reg: > + maxItems: 1 > + > + powerdown-gpios: > + maxItems: 1 > + description: Specifier for the GPIO connected to the PWDNB pin. > + > + port0-poc-supply: > + description: Regulator providing Power over Coax for GMSL port 0 > + > + port1-poc-supply: > + description: Regulator providing Power over Coax for GMSL port 1 > + > + i2c-alias-pool: > + maxItems: 2 > + > + i2c-atr: > + type: object > + additionalProperties: false > + > + properties: > + '#address-cells': > + const: 1 > + > + '#size-cells': > + const: 0 > + > + patternProperties: > + '^i2c@[0-1]$': > + $ref: /schemas/i2c/i2c-controller.yaml# > + unevaluatedProperties: false > + properties: > + reg: > + items: > + minimum: 0 > + maximum: 1 > + > + ports: > + $ref: /schemas/graph.yaml#/properties/ports > + > + patternProperties: > + '^port@[0-1]$': > + $ref: /schemas/graph.yaml#/properties/port > + description: GMSL Input ports 0-1 > + > + '^port@[2-3]$': > + $ref: /schemas/graph.yaml#/$defs/port-base > + unevaluatedProperties: false > + description: CSI-2 Output ports 0-1 > + properties: > + endpoint: > + $ref: /schemas/media/video-interfaces.yaml# > + unevaluatedProperties: false > + > + properties: > + data-lanes: > + minItems: 1 > + maxItems: 4 > + > + lane-polarities: > + minItems: 1 With D-PHY, 2 is the minimum. > + maxItems: 5 > + > + link-frequencies: > + maxItems: 1 > + > + required: > + - data-lanes > + > + anyOf: > + - required: > + - port@2 > + - required: > + - port@3 > + > +required: > + - compatible > + - reg > + - ports > + > +additionalProperties: false > + > +allOf: > + - $ref: /schemas/i2c/i2c-atr.yaml# > + > +dependentRequired: > + i2c-atr: [i2c-alias-pool] > + i2c-alias-pool: [i2c-atr] > + > +examples: > + - | > + #include > + #include > + > + i2c { > + #address-cells = <1>; > + #size-cells = <0>; > + > + deserializer@28 { > + compatible = "maxim,max9296a"; > + reg = <0x28>; > + powerdown-gpios = <&main_gpio0 37 GPIO_ACTIVE_LOW>; > + > + i2c-alias-pool = <0x40 0x41>; > + > + ports { > + #address-cells = <1>; > + #size-cells = <0>; > + > + port@0 { > + reg = <0>; > + des_gmsl_in_0: endpoint { > + remote-endpoint = <&ser_0_gmsl_out>; > + }; > + }; > + > + port@1 { > + reg = <1>; > + des_gmsl_in_1: endpoint { > + remote-endpoint = <&ser_1_gmsl_out>; > + }; > + }; > + > + port@2 { > + reg = <2>; > + des_csi_out: endpoint { > + data-lanes = <1 2 3 4>; > + link-frequencies = /bits/ 64 <400000000>; > + remote-endpoint = <&csi_in>; > + }; > + }; > + }; > + > + i2c-atr { > + #address-cells = <1>; > + #size-cells = <0>; > + > + i2c@0 { > + #address-cells = <1>; > + #size-cells = <0>; > + reg = <0>; > + > + serializer@40 { > + compatible = "maxim,max96717", "maxim,max96717f"; > + reg = <0x40>; > + gpio-controller; > + #gpio-cells = <2>; > + #clock-cells = <0>; > + > + ports { > + #address-cells = <1>; > + #size-cells = <0>; > + > + port@0 { > + reg = <0>; > + ser_0_csi_in: endpoint { > + data-lanes = <1 2>; > + remote-endpoint = <&sensor_0_out>; > + }; > + }; > + > + port@1 { > + reg = <1>; > + ser_0_gmsl_out: endpoint { > + remote-endpoint = <&des_gmsl_in_0>; > + }; > + }; > + }; > + }; > + }; > + > + i2c@1 { > + #address-cells = <1>; > + #size-cells = <0>; > + reg = <1>; > + > + serializer@40 { > + compatible = "maxim,max96717", "maxim,max96717f"; > + reg = <0x40>; > + gpio-controller; > + #gpio-cells = <2>; > + #clock-cells = <0>; > + > + ports { > + #address-cells = <1>; > + #size-cells = <0>; > + > + port@0 { > + reg = <0>; > + ser_1_csi_in: endpoint { > + data-lanes = <1 2>; > + remote-endpoint = <&sensor_1_out>; > + }; > + }; > + > + port@1 { > + reg = <1>; > + ser_1_gmsl_out: endpoint { > + remote-endpoint = <&des_gmsl_in_1>; > + }; > + }; > + }; > + }; > + }; > + }; > + }; > + }; > +... > diff --git a/MAINTAINERS b/MAINTAINERS > index 93e22dfd61c17..0eb1729ae1647 100644 > --- a/MAINTAINERS > +++ b/MAINTAINERS > @@ -14783,6 +14783,12 @@ S: Maintained > F: Documentation/devicetree/bindings/iio/proximity/maxbotix,mb1232.yaml > F: drivers/iio/proximity/mb1232.c > > +MAXIM GMSL2/3 SERIALIZERS AND DESERIALIZERS > +M: Cosmin Tanislav > +L: linux-media@vger.kernel.org > +S: Maintained > +F: Documentation/devicetree/bindings/media/i2c/maxim,max9296a.yaml > + > MAXIM MAX11205 DRIVER > M: Ramona Bolboaca > L: linux-iio@vger.kernel.org -- Kind regards, Sakari Ailus