[PATCH v4 4/7] dt-bindings: net: Add support StarFive dwmac
From: Yanhong Wang <hidden>
Date: 2023-01-18 06:42:58
Also in:
linux-riscv, lkml, netdev
Subsystem:
networking drivers, open firmware and flattened device tree bindings, starfive dwmac glue layer, the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Emil Renner Berthing, Minda Chen, Linus Torvalds
Add documentation to describe StarFive dwmac driver(GMAC). Signed-off-by: Yanhong Wang <redacted> --- .../devicetree/bindings/net/snps,dwmac.yaml | 1 + .../bindings/net/starfive,jh7110-dwmac.yaml | 113 ++++++++++++++++++ MAINTAINERS | 5 + 3 files changed, 119 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 baf2c5b9e92d..8b07bc9c8b00 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..eb0767da834a
--- /dev/null
+++ b/Documentation/devicetree/bindings/net/starfive,jh7110-dwmac.yaml@@ -0,0 +1,113 @@ +# 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: + - Yanhong Wang <yanhong.wang@starfivetech.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: GTXC clock + - description: GTX clock + + clock-names: + items: + - const: stmmaceth + - const: pclk + - const: ptp_ref + - const: tx + - const: gtxc + - const: gtx + + resets: + items: + - description: MAC Reset signal. + - description: AHB Reset signal. + + reset-names: + items: + - const: stmmaceth + - const: ahb + +allOf: + - $ref: snps,dwmac.yaml# + +unevaluatedProperties: true + +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 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>; + }; + }; + + 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 a70c1d0f303e..56be59bb09f7 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@starfivetech.com> +S: Maintained +F: Documentation/devicetree/bindings/net/starfive,jh7110-dwmac.yaml + STARFIVE PINCTRL DRIVER M: Emil Renner Berthing <kernel@esmil.dk> M: Jianlong Huang <jianlong.huang@starfivetech.com>
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2.17.1