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Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Emil Renner Berthing , Conor Dooley , Palmer Dabbelt , Paul Walmsley , Albert Ou , Giuseppe Cavallaro , Alexandre Torgue , Jose Abreu , Maxime Coquelin , Richard Cochran , Sagar Kadam , Yanhong Wang Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, linux-riscv@lists.infradead.org, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org, kernel@collabora.com Subject: [PATCH 07/12] dt-bindings: net: Add StarFive JH7100 SoC Date: Sat, 11 Feb 2023 05:18:16 +0200 Message-Id: <20230211031821.976408-8-cristian.ciocaltea@collabora.com> X-Mailer: git-send-email 2.39.1 In-Reply-To: <20230211031821.976408-1-cristian.ciocaltea@collabora.com> References: <20230211031821.976408-1-cristian.ciocaltea@collabora.com> MIME-Version: 1.0 X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1757503158282812055?= X-GMAIL-MSGID: =?utf-8?q?1757503158282812055?= Add DT bindings documentation for the Synopsys DesignWare MAC found on the StarFive JH7100 SoC. Adjust 'reset' and 'reset-names' properties to allow using 'ahb' instead of the 'stmmaceth' reset signal, as required by JH7100. Signed-off-by: Cristian Ciocaltea --- .../devicetree/bindings/net/snps,dwmac.yaml | 15 ++- .../bindings/net/starfive,jh7100-dwmac.yaml | 106 ++++++++++++++++++ MAINTAINERS | 5 + 3 files changed, 122 insertions(+), 4 deletions(-) create mode 100644 Documentation/devicetree/bindings/net/starfive,jh7100-dwmac.yaml diff --git a/Documentation/devicetree/bindings/net/snps,dwmac.yaml b/Documentation/devicetree/bindings/net/snps,dwmac.yaml index e88a86623fce..71522a2cd7a4 100644 --- a/Documentation/devicetree/bindings/net/snps,dwmac.yaml +++ b/Documentation/devicetree/bindings/net/snps,dwmac.yaml @@ -89,6 +89,7 @@ properties: - snps,dwmac-5.10a - snps,dwxgmac - snps,dwxgmac-2.10 + - starfive,jh7100-dwmac reg: minItems: 1 @@ -131,12 +132,17 @@ properties: - ptp_ref resets: - maxItems: 1 - description: - MAC Reset signal. + minItems: 1 + items: + - description: MAC Reset signal + - description: AHB Reset signal reset-names: - const: stmmaceth + minItems: 1 + contains: + enum: + - stmmaceth + - ahb power-domains: maxItems: 1 @@ -578,6 +584,7 @@ allOf: - snps,dwxgmac - snps,dwxgmac-2.10 - st,spear600-gmac + - starfive,jh7100-dwmac then: properties: diff --git a/Documentation/devicetree/bindings/net/starfive,jh7100-dwmac.yaml b/Documentation/devicetree/bindings/net/starfive,jh7100-dwmac.yaml new file mode 100644 index 000000000000..6afe30690172 --- /dev/null +++ b/Documentation/devicetree/bindings/net/starfive,jh7100-dwmac.yaml @@ -0,0 +1,106 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +# Copyright (C) 2022 StarFive Technology Co., Ltd. +# Copyright (C) 2022 Emil Renner Berthing +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/net/starfive,jh7100-dwmac.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: StarFive JH7100 DWMAC Ethernet Controller + +maintainers: + - Emil Renner Berthing + +# We need a select here so we don't match all nodes with 'snps,dwmac' +select: + properties: + compatible: + contains: + const: starfive,jh7100-dwmac + required: + - compatible + +allOf: + - $ref: snps,dwmac.yaml# + +properties: + compatible: + items: + - const: starfive,jh7100-dwmac + - const: snps,dwmac + + clocks: + items: + - description: GMAC main clock + - description: GMAC AHB clock + - description: PTP clock + - description: GTX clock + - description: TX clock + + clock-names: + items: + - const: stmmaceth + - const: pclk + - const: ptp_ref + - const: gtxc + - const: tx + + resets: + description: AHB Reset signal + + reset-names: + const: ahb + + starfive,syscon: + $ref: /schemas/types.yaml#/definitions/phandle + description: phandle to the syscon node + + starfive,gtxclk-dlychain: + $ref: /schemas/types.yaml#/definitions/uint32 + description: GTX clock delay chain setting + +required: + - compatible + - clocks + - clock-names + - resets + - reset-names + +unevaluatedProperties: false + +examples: + - | + #include + #include + + gmac: ethernet@10020000 { + compatible = "starfive,jh7100-dwmac", "snps,dwmac"; + reg = <0x0 0x10020000 0x0 0x10000>; + clocks = <&clkgen JH7100_CLK_GMAC_ROOT_DIV>, + <&clkgen JH7100_CLK_GMAC_AHB>, + <&clkgen JH7100_CLK_GMAC_PTP_REF>, + <&clkgen JH7100_CLK_GMAC_GTX>, + <&clkgen JH7100_CLK_GMAC_TX_INV>; + clock-names = "stmmaceth", "pclk", "ptp_ref", "gtxc", "tx"; + resets = <&rstgen JH7100_RSTN_GMAC_AHB>; + reset-names = "ahb"; + interrupts = <6>, <7>; + interrupt-names = "macirq", "eth_wake_irq"; + max-frame-size = <9000>; + phy-mode = "rgmii-txid"; + snps,multicast-filter-bins = <32>; + snps,perfect-filter-entries = <128>; + starfive,syscon = <&sysmain>; + rx-fifo-depth = <32768>; + tx-fifo-depth = <16384>; + snps,axi-config = <&stmmac_axi_setup>; + snps,fixed-burst; + snps,force_thresh_dma_mode; + snps,no-pbl-x8; + + stmmac_axi_setup: stmmac-axi-config { + snps,wr_osr_lmt = <0xf>; + snps,rd_osr_lmt = <0xf>; + snps,blen = <256 128 64 32 0 0 0>; + }; + }; diff --git a/MAINTAINERS b/MAINTAINERS index abed40db41f0..d48468b81b94 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -19816,6 +19816,11 @@ M: Emil Renner Berthing S: Maintained F: arch/riscv/boot/dts/starfive/ +STARFIVE DWMAC GLUE LAYER +M: Emil Renner Berthing +S: Maintained +F: Documentation/devicetree/bindings/net/starfive,jh7100-dwmac.yaml + STARFIVE JH7100 CLOCK DRIVERS M: Emil Renner Berthing S: Maintained