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Wed, 15 Feb 2023 03:32:05 -0600 From: Piyush Mehta To: , , , , CC: , , , , , , Piyush Mehta Subject: [PATCH 0/2] usb: dwc3: core: add external vBus supply support for ulpi phy Date: Wed, 15 Feb 2023 15:01:44 +0530 Message-ID: <20230215093146.5812-1-piyush.mehta@amd.com> X-Mailer: git-send-email 2.17.1 MIME-Version: 1.0 Content-Type: text/plain X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DS1PEPF0000E640:EE_|SJ2PR12MB8061:EE_ X-MS-Office365-Filtering-Correlation-Id: 46bc72cf-698e-4e1f-6ce6-08db0f379024 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:(13230025)(4636009)(39860400002)(376002)(136003)(396003)(346002)(451199018)(46966006)(40470700004)(36840700001)(2906002)(44832011)(36860700001)(4744005)(82310400005)(81166007)(82740400003)(40480700001)(186003)(336012)(86362001)(40460700003)(966005)(36756003)(26005)(47076005)(426003)(356005)(70206006)(54906003)(110136005)(316002)(6666004)(41300700001)(8676002)(4326008)(1076003)(478600001)(70586007)(2616005)(5660300002)(8936002)(36900700001);DIR:OUT;SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 15 Feb 2023 09:32:31.7887 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 46bc72cf-698e-4e1f-6ce6-08db0f379024 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: DS1PEPF0000E640.namprd02.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: SJ2PR12MB8061 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Some ULPI USB PHY does not support internal VBUS supply, they worked on with an external supply. To support the external vBus supply for ULPI PHY, added 'snps,ulpi-ext-vbus-drv' quirk and based on quirk configure the ULPI PHY in the phy configuration setup. --- Reference for dwc3 register data-base Link: GUSB2PHYCFG (USB3_XHCI) Register [:ULPIEXTVBUSDRV] https://www.xilinx.com/htmldocs/registers/ug1087/ug1087-zynq-ultrascale-registers.html --- Piyush Mehta (2): dt-bindings: usb: dwc3: Add snps,ulpi-ext-vbus-drv quirk usb: dwc3: core: add external vBus supply support for ulpi phy Documentation/devicetree/bindings/usb/snps,dwc3.yaml | 8 ++++++++ drivers/usb/dwc3/core.c | 12 ++++++++++++ drivers/usb/dwc3/core.h | 4 ++++ 3 files changed, 24 insertions(+) -- 2.17.1