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Thu, 11 May 2023 02:12:20 -0500 From: Pranavi Somisetty To: , , , , , , , , CC: , , , , , , , Subject: [PATCH net-next v2 1/2] dt-bindings: net: cdns,macb: Add rx-watermark property Date: Thu, 11 May 2023 01:12:13 -0600 Message-ID: <20230511071214.18611-2-pranavi.somisetty@amd.com> X-Mailer: git-send-email 2.36.1 In-Reply-To: <20230511071214.18611-1-pranavi.somisetty@amd.com> References: <20230511071214.18611-1-pranavi.somisetty@amd.com> MIME-Version: 1.0 X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DM6NAM11FT052:EE_|IA1PR12MB6020:EE_ X-MS-Office365-Filtering-Correlation-Id: 7c70ffe6-cbe8-493d-5b48-08db51ef12a2 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:SATLEXMB03.amd.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230028)(4636009)(39860400002)(346002)(136003)(396003)(376002)(451199021)(40470700004)(36840700001)(46966006)(6666004)(41300700001)(70206006)(4326008)(70586007)(40480700001)(1076003)(26005)(110136005)(54906003)(316002)(478600001)(8936002)(8676002)(44832011)(5660300002)(40460700003)(7416002)(82310400005)(2616005)(36860700001)(426003)(336012)(2906002)(47076005)(83380400001)(82740400003)(81166007)(36756003)(356005)(186003)(36900700001);DIR:OUT;SFP:1101; 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X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org watermark value is the minimum amount of packet data required to activate the forwarding process. The watermark implementation and maximum size is dependent on the device where Cadence MACB/GEM is used. Signed-off-by: Pranavi Somisetty --- Documentation/devicetree/bindings/net/cdns,macb.yaml | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/Documentation/devicetree/bindings/net/cdns,macb.yaml b/Documentation/devicetree/bindings/net/cdns,macb.yaml index bef5e0f895be..779bc25cf005 100644 --- a/Documentation/devicetree/bindings/net/cdns,macb.yaml +++ b/Documentation/devicetree/bindings/net/cdns,macb.yaml @@ -109,6 +109,13 @@ properties: power-domains: maxItems: 1 + rx-watermark: + maxItems: 1 + $ref: /schemas/types.yaml#/definitions/uint16 + description: + Set watermark value for pbuf_rxcutthru reg and enable + rx partial store and forward. + '#address-cells': const: 1 @@ -166,6 +173,7 @@ examples: compatible = "cdns,macb"; reg = <0xfffc4000 0x4000>; interrupts = <21>; + rx-watermark = /bits/ 16 <0x44>; phy-mode = "rmii"; local-mac-address = [3a 0e 03 04 05 06]; clock-names = "pclk", "hclk", "tx_clk";