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Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Rob Herring , Krzysztof Kozlowski , Jan Petrous , Andrew Lunn Cc: Chester Lin , Alexandre Torgue , Giuseppe Cavallaro , Jose Abreu , netdev@vger.kernel.org, s32@nxp.com, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, =?utf-8?q?Andreas_F=C3=A4rber?= , Matthias Brugger Subject: [PATCH v2 2/5] dt-bindings: net: add schema for NXP S32CC dwmac glue driver Date: Mon, 28 Nov 2022 13:49:17 +0800 Message-Id: <20221128054920.2113-3-clin@suse.com> X-Mailer: git-send-email 2.37.3 In-Reply-To: <20221128054920.2113-1-clin@suse.com> References: <20221128054920.2113-1-clin@suse.com> X-ClientProxiedBy: TYCP286CA0146.JPNP286.PROD.OUTLOOK.COM (2603:1096:400:31b::11) To VI1PR0402MB3439.eurprd04.prod.outlook.com (2603:10a6:803:4::13) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: VI1PR0402MB3439:EE_|AS8PR04MB7655:EE_ X-MS-Office365-Filtering-Correlation-Id: f3a04ac4-c047-4de7-c834-08dad1045da8 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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Signed-off-by: Jan Petrous Signed-off-by: Chester Lin --- Changes in v2: - Fix schema issues. - Add minItems to clocks & clock-names. - Replace all sgmii/SGMII terms with pcs/PCS. .../bindings/net/nxp,s32cc-dwmac.yaml | 135 ++++++++++++++++++ 1 file changed, 135 insertions(+) create mode 100644 Documentation/devicetree/bindings/net/nxp,s32cc-dwmac.yaml diff --git a/Documentation/devicetree/bindings/net/nxp,s32cc-dwmac.yaml b/Documentation/devicetree/bindings/net/nxp,s32cc-dwmac.yaml new file mode 100644 index 000000000000..c6839fd3df40 --- /dev/null +++ b/Documentation/devicetree/bindings/net/nxp,s32cc-dwmac.yaml @@ -0,0 +1,135 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +# Copyright 2021-2022 NXP +%YAML 1.2 +--- +$id: "http://devicetree.org/schemas/net/nxp,s32cc-dwmac.yaml#" +$schema: "http://devicetree.org/meta-schemas/core.yaml#" + +title: NXP S32CC DWMAC Ethernet controller + +maintainers: + - Jan Petrous + - Chester Lin + +allOf: + - $ref: "snps,dwmac.yaml#" + +properties: + compatible: + enum: + - nxp,s32cc-dwmac + + reg: + items: + - description: Main GMAC registers + - description: S32 MAC control registers + + dma-coherent: true + + clocks: + minItems: 5 + items: + - description: Main GMAC clock + - description: Peripheral registers clock + - description: Transmit PCS clock + - description: Transmit RGMII clock + - description: Transmit RMII clock + - description: Transmit MII clock + - description: Receive PCS clock + - description: Receive RGMII clock + - description: Receive RMII clock + - description: Receive MII clock + - description: + PTP reference clock. This clock is used for programming the + Timestamp Addend Register. If not passed then the system + clock will be used. + + clock-names: + minItems: 5 + items: + - const: stmmaceth + - const: pclk + - const: tx_pcs + - const: tx_rgmii + - const: tx_rmii + - const: tx_mii + - const: rx_pcs + - const: rx_rgmii + - const: rx_rmii + - const: rx_mii + - const: ptp_ref + + tx-fifo-depth: + const: 20480 + + rx-fifo-depth: + const: 20480 + +required: + - compatible + - reg + - tx-fifo-depth + - rx-fifo-depth + - clocks + - clock-names + +unevaluatedProperties: false + +examples: + - | + #include + #include + + #define S32GEN1_SCMI_CLK_GMAC0_AXI + #define S32GEN1_SCMI_CLK_GMAC0_TX_PCS + #define S32GEN1_SCMI_CLK_GMAC0_TX_RGMII + #define S32GEN1_SCMI_CLK_GMAC0_TX_RMII + #define S32GEN1_SCMI_CLK_GMAC0_TX_MII + #define S32GEN1_SCMI_CLK_GMAC0_RX_PCS + #define S32GEN1_SCMI_CLK_GMAC0_RX_RGMII + #define S32GEN1_SCMI_CLK_GMAC0_RX_RMII + #define S32GEN1_SCMI_CLK_GMAC0_RX_MII + #define S32GEN1_SCMI_CLK_GMAC0_TS + + soc { + #address-cells = <1>; + #size-cells = <1>; + + gmac0: ethernet@4033c000 { + compatible = "nxp,s32cc-dwmac"; + reg = <0x4033c000 0x2000>, /* gmac IP */ + <0x4007C004 0x4>; /* S32 CTRL_STS reg */ + interrupt-parent = <&gic>; + interrupts = ; + interrupt-names = "macirq"; + phy-mode = "rgmii-id"; + tx-fifo-depth = <20480>; + rx-fifo-depth = <20480>; + dma-coherent; + clocks = <&clks S32GEN1_SCMI_CLK_GMAC0_AXI>, + <&clks S32GEN1_SCMI_CLK_GMAC0_AXI>, + <&clks S32GEN1_SCMI_CLK_GMAC0_TX_PCS>, + <&clks S32GEN1_SCMI_CLK_GMAC0_TX_RGMII>, + <&clks S32GEN1_SCMI_CLK_GMAC0_TX_RMII>, + <&clks S32GEN1_SCMI_CLK_GMAC0_TX_MII>, + <&clks S32GEN1_SCMI_CLK_GMAC0_RX_PCS>, + <&clks S32GEN1_SCMI_CLK_GMAC0_RX_RGMII>, + <&clks S32GEN1_SCMI_CLK_GMAC0_RX_RMII>, + <&clks S32GEN1_SCMI_CLK_GMAC0_RX_MII>, + <&clks S32GEN1_SCMI_CLK_GMAC0_TS>; + clock-names = "stmmaceth", "pclk", + "tx_pcs", "tx_rgmii", "tx_rmii", "tx_mii", + "rx_pcs", "rx_rgmii", "rx_rmii", "rx_mii", + "ptp_ref"; + + gmac0_mdio: mdio { + #address-cells = <1>; + #size-cells = <0>; + compatible = "snps,dwmac-mdio"; + + ethernet-phy@4 { + reg = <0x04>; + }; + }; + }; + };