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Message-ID: <20230324022819.2324-5-samin.guo@starfivetech.com>
Date: Fri, 24 Mar 2023 10:28:17 +0800
From: Samin Guo <samin.guo@...rfivetech.com>
To: <linux-kernel@...r.kernel.org>, <linux-riscv@...ts.infradead.org>,
<devicetree@...r.kernel.org>, <netdev@...r.kernel.org>
CC: "David S . Miller" <davem@...emloft.net>,
Eric Dumazet <edumazet@...gle.com>,
Jakub Kicinski <kuba@...nel.org>,
Paolo Abeni <pabeni@...hat.com>,
Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Emil Renner Berthing <kernel@...il.dk>,
Jose Abreu <joabreu@...opsys.com>,
Richard Cochran <richardcochran@...il.com>,
Conor Dooley <conor@...nel.org>,
Paul Walmsley <paul.walmsley@...ive.com>,
Palmer Dabbelt <palmer@...belt.com>,
Albert Ou <aou@...s.berkeley.edu>,
Andrew Lunn <andrew@...n.ch>,
Heiner Kallweit <hkallweit1@...il.com>,
Peter Geis <pgwipeout@...il.com>,
Yanhong Wang <yanhong.wang@...rfivetech.com>,
Samin Guo <samin.guo@...rfivetech.com>,
Tommaso Merciai <tomm.merciai@...il.com>
Subject: [PATCH v8 4/6] dt-bindings: net: Add support StarFive dwmac
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 | 144 ++++++++++++++++++
MAINTAINERS | 6 +
3 files changed, 151 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 e4519cf722ab..245f7d713261 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..5861426032bd
--- /dev/null
+++ b/Documentation/devicetree/bindings/net/starfive,jh7110-dwmac.yaml
@@ -0,0 +1,144 @@
+# 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
+
+ reg:
+ maxItems: 1
+
+ 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
+
+ interrupts:
+ minItems: 3
+ maxItems: 3
+
+ interrupt-names:
+ minItems: 3
+ maxItems: 3
+
+ 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
+
+ starfive,syscon:
+ $ref: /schemas/types.yaml#/definitions/phandle-array
+ items:
+ - items:
+ - description: phandle to syscon that configures phy mode
+ - description: Offset of phy mode selection
+ - description: Shift of phy mode selection
+ description:
+ A phandle to syscon with two arguments that configure phy mode.
+ The argument one is the offset of phy mode selection, the
+ argument two is the shift of phy mode selection.
+
+allOf:
+ - $ref: snps,dwmac.yaml#
+
+unevaluatedProperties: false
+
+required:
+ - compatible
+ - reg
+ - clocks
+ - clock-names
+ - interrupts
+ - interrupt-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>;
+ starfive,syscon = <&aon_syscon 0xc 0x12>;
+ 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 ebc97c6c922f..5c6d53a9f62a 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -19905,6 +19905,12 @@ 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 JH7110 MMC/SD/SDIO DRIVER
M: William Qiu <william.qiu@...rfivetech.com>
S: Supported
--
2.17.1
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