On Fri, Mar 03, 2023 at 04:59:20PM +0800, Samin Guo wrote: > From: Yanhong Wang <yanhong.wang@xxxxxxxxxxxxxxxx> > > Add documentation to describe StarFive dwmac driver(GMAC). > > Signed-off-by: Yanhong Wang <yanhong.wang@xxxxxxxxxxxxxxxx> > Signed-off-by: Samin Guo <samin.guo@xxxxxxxxxxxxxxxx> > --- > .../devicetree/bindings/net/snps,dwmac.yaml | 1 + > .../bindings/net/starfive,jh7110-dwmac.yaml | 117 ++++++++++++++++++ > MAINTAINERS | 6 + > 3 files changed, 124 insertions(+) > create mode 100644 Documentation/devicetree/bindings/net/starfive,jh7110-dwmac.yaml > > diff --git a/Documentation/devicetree/bindings/net/snps,dwmac.yaml b/Documentation/devicetree/bindings/net/snps,dwmac.yaml > index 89099a888f0b..395f081161ce 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,jh7110-dwmac.yaml b/Documentation/devicetree/bindings/net/starfive,jh7110-dwmac.yaml > new file mode 100644 > index 000000000000..ca49f08d50dd > --- /dev/null > +++ b/Documentation/devicetree/bindings/net/starfive,jh7110-dwmac.yaml > @@ -0,0 +1,117 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +# Copyright (C) 2022 StarFive Technology Co., Ltd. > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/net/starfive,jh7110-dwmac.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: StarFive JH7110 DWMAC glue layer > + > +maintainers: > + - Emil Renner Berthing <kernel@xxxxxxxx> > + - Samin Guo <samin.guo@xxxxxxxxxxxxxxxx> > + > +select: > + properties: > + compatible: > + contains: > + enum: > + - starfive,jh7110-dwmac > + required: > + - compatible > + > +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: GTX clock > + > + clock-names: > + items: > + - const: stmmaceth > + - const: pclk > + - const: ptp_ref > + - const: tx > + - const: gtx > + > + resets: > + items: > + - description: MAC Reset signal. > + - description: AHB Reset signal. > + > + reset-names: > + items: > + - const: stmmaceth > + - const: ahb > + > + starfive,tx-use-rgmii-clk: > + description: > + Tx clock is provided by external rgmii clock. > + type: boolean > + > +allOf: > + - $ref: snps,dwmac.yaml# > + > +unevaluatedProperties: true This must be false. > + > +required: > + - compatible > + - clocks > + - clock-names > + - resets > + - reset-names > + > +examples: > + - | > + ethernet@16030000 { > + compatible = "starfive,jh7110-dwmac", "snps,dwmac-5.20"; > + reg = <0x16030000 0x10000>; > + clocks = <&clk 3>, <&clk 2>, <&clk 109>, > + <&clk 6>, <&clk 111>; > + clock-names = "stmmaceth", "pclk", "ptp_ref", > + "tx", "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>; > + }; > + }; > + > + 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>; > + }; > + }; > diff --git a/MAINTAINERS b/MAINTAINERS > index 5c67c75a940f..4e236b7c7fd2 100644 > --- a/MAINTAINERS > +++ b/MAINTAINERS > @@ -19912,6 +19912,12 @@ M: Emil Renner Berthing <kernel@xxxxxxxx> > S: Maintained > F: arch/riscv/boot/dts/starfive/ > > +STARFIVE DWMAC GLUE LAYER > +M: Emil Renner Berthing <kernel@xxxxxxxx> > +M: Samin Guo <samin.guo@xxxxxxxxxxxxxxxx> > +S: Maintained > +F: Documentation/devicetree/bindings/net/starfive,jh7110-dwmac.yaml > + > STARFIVE JH71X0 CLOCK DRIVERS > M: Emil Renner Berthing <kernel@xxxxxxxx> > M: Hal Feng <hal.feng@xxxxxxxxxxxxxxxx> > -- > 2.17.1 >
