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Sat, 23 Apr 2022 05:49:07 -0700 From: Vidya Sagar To: , , , , CC: , , , , , , , , , , , , , , Subject: [PATCH V2 1/8] dt-bindings: PHY: P2U: Add support for Tegra234 P2U block Date: Sat, 23 Apr 2022 18:18:51 +0530 Message-ID: <20220423124858.25946-2-vidyas@nvidia.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20220423124858.25946-1-vidyas@nvidia.com> References: <20220423124858.25946-1-vidyas@nvidia.com> X-NVConfidentiality: public MIME-Version: 1.0 Content-Type: text/plain X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: f89e7b68-9c54-4e72-3c03-08da2527ab0b X-MS-TrafficTypeDiagnostic: BN9PR12MB5036:EE_ X-Microsoft-Antispam-PRVS: 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:12.22.5.235;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:mail.nvidia.com;PTR:InfoNoRecords;CAT:NONE;SFS:(13230001)(4636009)(40470700004)(46966006)(36840700001)(26005)(6666004)(7696005)(81166007)(186003)(2616005)(2906002)(47076005)(336012)(508600001)(356005)(83380400001)(1076003)(70206006)(426003)(86362001)(70586007)(36860700001)(8676002)(4326008)(5660300002)(8936002)(7416002)(82310400005)(316002)(6636002)(54906003)(40460700003)(36756003)(110136005)(36900700001);DIR:OUT;SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 23 Apr 2022 12:49:12.8689 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: f89e7b68-9c54-4e72-3c03-08da2527ab0b X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[12.22.5.235];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: DM6NAM11FT050.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: BN9PR12MB5036 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add support for Tegra234 P2U (PIPE to UPHY) module block which is a glue module instantiated once for each PCIe lane between Synopsys DesignWare core based PCIe IP and Universal PHY block. Signed-off-by: Vidya Sagar --- V2: * Addressed review comments from Rob and Raul * Ran 'dt_binding_check' and 'dtbs_check' on this change .../bindings/phy/phy-tegra194-p2u.yaml | 17 +++++++++++++---- 1 file changed, 13 insertions(+), 4 deletions(-) diff --git a/Documentation/devicetree/bindings/phy/phy-tegra194-p2u.yaml b/Documentation/devicetree/bindings/phy/phy-tegra194-p2u.yaml index 9a89d05efbda..4dc5205d893b 100644 --- a/Documentation/devicetree/bindings/phy/phy-tegra194-p2u.yaml +++ b/Documentation/devicetree/bindings/phy/phy-tegra194-p2u.yaml @@ -4,7 +4,7 @@ $id: "http://devicetree.org/schemas/phy/phy-tegra194-p2u.yaml#" $schema: "http://devicetree.org/meta-schemas/core.yaml#" -title: NVIDIA Tegra194 P2U binding +title: NVIDIA Tegra194 & Tegra234 P2U binding maintainers: - Thierry Reding @@ -12,13 +12,17 @@ maintainers: description: > Tegra194 has two PHY bricks namely HSIO (High Speed IO) and NVHS (NVIDIA High Speed) each interfacing with 12 and 8 P2U instances respectively. + Tegra234 has three PHY bricks namely HSIO, NVHS and GBE (Gigabit Ethernet) + each interfacing with 8, 8 and 8 P2U instances respectively. A P2U instance is a glue logic between Synopsys DesignWare Core PCIe IP's PIPE - interface and PHY of HSIO/NVHS bricks. Each P2U instance represents one PCIe - lane. + interface and PHY of HSIO/NVHS/GBE bricks. Each P2U instance represents one + PCIe lane. properties: compatible: - const: nvidia,tegra194-p2u + enum: + - nvidia,tegra194-p2u + - nvidia,tegra234-p2u reg: maxItems: 1 @@ -28,6 +32,11 @@ properties: items: - const: ctl + nvidia,skip-sz-protect-en: + description: Should be present if two PCIe retimers are present between + the root port and its immediate downstream device. + type: boolean + '#phy-cells': const: 0 -- 2.17.1