Add documentation to describe StarFive dwmac driver(GMAC). Signed-off-by: Yanhong Wang <yanhong.wang@xxxxxxxxxxxxxxxx> --- .../devicetree/bindings/net/snps,dwmac.yaml | 1 + .../bindings/net/starfive,jh71x0-dwmac.yaml | 103 ++++++++++++++++++ MAINTAINERS | 5 + 3 files changed, 109 insertions(+) create mode 100644 Documentation/devicetree/bindings/net/starfive,jh71x0-dwmac.yaml diff --git a/Documentation/devicetree/bindings/net/snps,dwmac.yaml b/Documentation/devicetree/bindings/net/snps,dwmac.yaml index 7870228b4cd3..cdb045d1c618 100644 --- a/Documentation/devicetree/bindings/net/snps,dwmac.yaml +++ b/Documentation/devicetree/bindings/net/snps,dwmac.yaml @@ -91,6 +91,7 @@ properties: - snps,dwmac-5.20 - snps,dwxgmac - snps,dwxgmac-2.10 + - starfive,jh7110-dwmac reg: minItems: 1 diff --git a/Documentation/devicetree/bindings/net/starfive,jh71x0-dwmac.yaml b/Documentation/devicetree/bindings/net/starfive,jh71x0-dwmac.yaml new file mode 100644 index 000000000000..5cb1272fe959 --- /dev/null +++ b/Documentation/devicetree/bindings/net/starfive,jh71x0-dwmac.yaml @@ -0,0 +1,103 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +# Copyright (C) 2022 StarFive Technology Co., Ltd. +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/net/starfive,jh71x0-dwmac.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: StarFive JH71x0 DWMAC glue layer + +maintainers: + - Yanhong Wang <yanhong.wang@xxxxxxxxxxxxxxxx> + +select: + properties: + compatible: + contains: + enum: + - starfive,jh7110-dwmac + required: + - compatible + +allOf: + - $ref: snps,dwmac.yaml# + +properties: + compatible: + items: + - enum: + - starfive,jh7110-dwmac + - const: snps,dwmac-5.20 + + clocks: + items: + - description: GMAC main clock + - description: GMAC AHB clock + - description: PTP clock + - description: TX clock + - description: GTXC clock + - description: GTX clock + + clock-names: + items: + - const: stmmaceth + - const: pclk + - const: ptp_ref + - const: tx + - const: gtxc + - const: gtx + +required: + - compatible + - clocks + - clock-names + - resets + - reset-names + +unevaluatedProperties: false + +examples: + - | + stmmac_axi_setup: stmmac-axi-config { + snps,lpi_en; + snps,wr_osr_lmt = <4>; + snps,rd_osr_lmt = <4>; + snps,blen = <256 128 64 32 0 0 0>; + }; + + gmac0: ethernet@16030000 { + compatible = "starfive,jh7110-dwmac", "snps,dwmac-5.20"; + reg = <0x16030000 0x10000>; + clocks = <&clk 3>, <&clk 2>, <&clk 109>, + <&clk 5>, <&clk 111>, <&clk 108>; + clock-names = "stmmaceth", "pclk", "ptp_ref", + "tx", "gtxc", "gtx"; + resets = <&rst 1>, <&rst 2>; + reset-names = "stmmaceth", "ahb"; + interrupts = <7>, <6>, <5>; + interrupt-names = "macirq", "eth_wake_irq", "eth_lpi"; + phy-mode = "rgmii-id"; + snps,multicast-filter-bins = <64>; + snps,perfect-filter-entries = <8>; + rx-fifo-depth = <2048>; + tx-fifo-depth = <2048>; + snps,fixed-burst; + snps,no-pbl-x8; + snps,tso; + snps,force_thresh_dma_mode; + snps,axi-config = <&stmmac_axi_setup>; + snps,en-tx-lpi-clockgating; + snps,txpbl = <16>; + snps,rxpbl = <16>; + phy-handle = <&phy0>; + + mdio { + #address-cells = <1>; + #size-cells = <0>; + compatible = "snps,dwmac-mdio"; + + phy0: ethernet-phy@0 { + reg = <0>; + }; + }; + }; diff --git a/MAINTAINERS b/MAINTAINERS index a70c1d0f303e..166b0009f63c 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -19606,6 +19606,11 @@ F: Documentation/devicetree/bindings/clock/starfive* F: drivers/clk/starfive/ F: include/dt-bindings/clock/starfive* +STARFIVE DWMAC GLUE LAYER +M: Yanhong Wang <yanhong.wang@xxxxxxxxxxxxxxxx> +S: Maintained +F: Documentation/devicetree/bindings/net/starfive,jh71x0-dwmac.yaml + STARFIVE PINCTRL DRIVER M: Emil Renner Berthing <kernel@xxxxxxxx> M: Jianlong Huang <jianlong.huang@xxxxxxxxxxxxxxxx> -- 2.17.1