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Received-SPF: Pass (protection.outlook.com: domain of amd.com designates 165.204.84.17 as permitted sender) receiver=protection.outlook.com; client-ip=165.204.84.17; helo=SATLEXMB04.amd.com; pr=C Received: from SATLEXMB04.amd.com (165.204.84.17) by MWH0EPF000989EB.mail.protection.outlook.com (10.167.241.138) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.20.6838.22 via Frontend Transport; Fri, 13 Oct 2023 11:51:35 +0000 Received: from [192.168.137.2] (10.180.168.240) by SATLEXMB04.amd.com (10.181.40.145) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.27; Fri, 13 Oct 2023 06:51:32 -0500 Message-ID: <013e44c6-45f5-44c1-94b3-536955fae78f@amd.com> Date: Fri, 13 Oct 2023 13:51:30 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 2/5] dt-bindings: nvmem: Convert xlnx,zynqmp-nvmem.txt to yaml Content-Language: en-US To: Krzysztof Kozlowski , "Praveen Teja Kundanala" , , , , , , CC: References: <20231013101450.573-1-praveen.teja.kundanala@amd.com> <20231013101450.573-3-praveen.teja.kundanala@amd.com> <02d3fa42-75a3-4f4f-ade6-204c8146d694@linaro.org> <91d61e1a-abb0-4b31-aa22-aff72d582ebe@amd.com> From: Michal Simek Autocrypt: addr=michal.simek@amd.com; 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charset="UTF-8"; format=flowed Content-Transfer-Encoding: 7bit X-Originating-IP: [10.180.168.240] X-ClientProxiedBy: SATLEXMB03.amd.com (10.181.40.144) To SATLEXMB04.amd.com (10.181.40.145) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: MWH0EPF000989EB:EE_|BY5PR12MB4161:EE_ X-MS-Office365-Filtering-Correlation-Id: 5366faaf-8c47-4369-b9f5-08dbcbe2c05f X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:165.204.84.17;CTRY:US;LANG:en;SCL:1;SRV:;IPV:CAL;SFV:NSPM;H:SATLEXMB04.amd.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230031)(4636009)(136003)(346002)(396003)(376002)(39860400002)(230922051799003)(1800799009)(82310400011)(451199024)(186009)(64100799003)(40470700004)(46966006)(36840700001)(44832011)(31686004)(41300700001)(53546011)(2616005)(82740400003)(40480700001)(86362001)(36756003)(40460700003)(81166007)(36860700001)(356005)(336012)(47076005)(31696002)(2906002)(316002)(16576012)(478600001)(426003)(70586007)(8936002)(16526019)(26005)(5660300002)(4326008)(83380400001)(70206006)(8676002)(110136005)(36900700001)(43740500002);DIR:OUT;SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 13 Oct 2023 11:51:35.2041 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 5366faaf-8c47-4369-b9f5-08dbcbe2c05f X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d;Ip=[165.204.84.17];Helo=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: MWH0EPF000989EB.namprd02.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: BY5PR12MB4161 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 10/13/23 13:46, Krzysztof Kozlowski wrote: > On 13/10/2023 13:22, Michal Simek wrote: >>> >>>> + >>>> +required: >>>> + - compatible >>> >>> required: block goes after patternProperties: block >>> >>>> + >>>> +patternProperties: >>>> + "^soc_revision@0$": >>> >>> Why do you define individual memory cells? Is this part of a binding? >>> IOW, OS/Linux requires this? >> >> nvmem has in kernel interface where you can reference to nodes. nvmem_cell_get() >> calls. It means you should be able to describe internal layout that's why names >> are used. And address in name is there because of reg property is used to >> describe base offset and size. > > That's not really what I am asking. Why internal layout of memory must > be part of the bindings? It doesn't need to be but offsets are hardcoded inside the driver itself and they can't be different. On different nvmem locations like MAC location in eeprom this can vary across boards but in this case location has to be only like this. I am fine if they don't need to be actually check but there is no any other way how they can be composed. And also others are not valid that's why not to describe only valid one. Thanks, Michal