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Message-ID: <20230308215915.GA3911690-robh@kernel.org>
Date: Wed, 8 Mar 2023 15:59:15 -0600
From: Rob Herring <robh@...nel.org>
To: Samin Guo <samin.guo@...rfivetech.com>
Cc: linux-riscv@...ts.infradead.org, netdev@...r.kernel.org,
devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
"David S . Miller" <davem@...emloft.net>,
Eric Dumazet <edumazet@...gle.com>,
Jakub Kicinski <kuba@...nel.org>,
Paolo Abeni <pabeni@...hat.com>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Emil Renner Berthing <kernel@...il.dk>,
Richard Cochran <richardcochran@...il.com>,
Andrew Lunn <andrew@...n.ch>,
Heiner Kallweit <hkallweit1@...il.com>,
Peter Geis <pgwipeout@...il.com>,
Yanhong Wang <yanhong.wang@...rfivetech.com>
Subject: Re: [PATCH v5 04/12] dt-bindings: net: Add support StarFive dwmac
On Fri, Mar 03, 2023 at 04:59:20PM +0800, Samin Guo wrote:
> From: Yanhong Wang <yanhong.wang@...rfivetech.com>
>
> Add documentation to describe StarFive dwmac driver(GMAC).
>
> Signed-off-by: Yanhong Wang <yanhong.wang@...rfivetech.com>
> Signed-off-by: Samin Guo <samin.guo@...rfivetech.com>
> ---
> .../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@...il.dk>
> + - Samin Guo <samin.guo@...rfivetech.com>
> +
> +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@...30000 {
> + 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@...il.dk>
> S: Maintained
> F: arch/riscv/boot/dts/starfive/
>
> +STARFIVE DWMAC GLUE LAYER
> +M: Emil Renner Berthing <kernel@...il.dk>
> +M: Samin Guo <samin.guo@...rfivetech.com>
> +S: Maintained
> +F: Documentation/devicetree/bindings/net/starfive,jh7110-dwmac.yaml
> +
> STARFIVE JH71X0 CLOCK DRIVERS
> M: Emil Renner Berthing <kernel@...il.dk>
> M: Hal Feng <hal.feng@...rfivetech.com>
> --
> 2.17.1
>
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