155 lines
4.4 KiB
Diff
155 lines
4.4 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Emil Renner Berthing <kernel@esmil.dk>
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Date: Mon, 8 Aug 2022 17:15:17 +0200
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Subject: dt-bindings: net: Add dwmac-starfive bindings
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Add bindings for the DWMAC glue layer for the StarFive JH71x0 SoCs.
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Signed-off-by: Emil Renner Berthing <kernel@esmil.dk>
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---
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Documentation/devicetree/bindings/net/dwmac-starfive.yaml | 119 ++++++++++
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Documentation/devicetree/bindings/net/snps,dwmac.yaml | 2 +
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2 files changed, 121 insertions(+)
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diff --git a/Documentation/devicetree/bindings/net/dwmac-starfive.yaml b/Documentation/devicetree/bindings/net/dwmac-starfive.yaml
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new file mode 100644
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index 000000000000..4826895bda6f
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--- /dev/null
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+++ b/Documentation/devicetree/bindings/net/dwmac-starfive.yaml
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@@ -0,0 +1,119 @@
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+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
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+# Copyright 2022 Emil Renner Berthing
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+%YAML 1.2
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+---
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+$id: "http://devicetree.org/schemas/net/dwmac-starfive.yaml#"
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+$schema: "http://devicetree.org/meta-schemas/core.yaml#"
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+
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+title: StarFive JH71x0 DWMAC glue layer
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+
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+maintainers:
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+ - Emil Renner Berthing <kernel@esmil.dk>
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+
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+description:
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+ This file documents the platform glue layer for using the stmmac driver on
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+ the StarFive JH71x0 RISC-V SoCs.
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+
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+select:
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+ properties:
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+ compatible:
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+ contains:
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+ enum:
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+ - starfive,jh7100-gmac
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+ - starfive,jh7110-gmac
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+ required:
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+ - compatible
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+
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+allOf:
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+ - $ref: "snps,dwmac.yaml#"
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+
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+properties:
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+ compatible:
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+ oneOf:
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+ - items:
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+ - const: starfive,jh7100-gmac
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+ - const: snps,dwmac
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+ - items:
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+ - const: starfive,jh7110-gmac
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+ - const: snps,dwmac-5.20
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+
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+ reg: true
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+
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+ clocks:
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+ minItems: 4
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+ items:
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+ - description: GMAC main clock
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+ - description: GMAC AHB clock
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+ - description: PTP clock
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+ - description: GTX clock
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+ - description: TX clock
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+
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+ clock-names:
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+ minItems: 4
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+ maxItems: 5
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+ contains:
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+ enum:
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+ - stmmaceth
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+ - pclk
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+ - ptp_ref
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+ - gtxc
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+ - tx
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+
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+ starfive,syscon:
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+ $ref: "/schemas/types.yaml#/definitions/phandle"
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+ description: phandle to the syscon node
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+
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+ starfive,gtxclk-dlychain:
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+ $ref: '/schemas/types.yaml#/definitions/uint32'
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+ description: GTX clock delay chain setting
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+
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+required:
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+ - compatible
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+ - reg
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+ - clocks
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+ - clock-names
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+ - resets
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+ - reset-names
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+
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+unevaluatedProperties: false
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+
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+examples:
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+ - |
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+ #include <dt-bindings/clock/starfive-jh7110-sys.h>
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+ #include <dt-bindings/clock/starfive-jh7110-aon.h>
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+ #include <dt-bindings/reset/starfive-jh7110-sys.h>
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+ #include <dt-bindings/reset/starfive-jh7110-aon.h>
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+
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+ gmac0: ethernet@16030000 {
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+ compatible = "starfive,jh7110-gmac", "snps,dwmac-5.20";
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+ reg = <0x16030000 0x10000>;
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+ clocks = <&aoncrg JH7110_AONCLK_GMAC0_AXI>,
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+ <&aoncrg JH7110_AONCLK_GMAC0_AHB>,
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+ <&syscrg JH7110_SYSCLK_GMAC0_PTP>,
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+ <&syscrg JH7110_SYSCLK_GMAC0_GTXC>,
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+ <&aoncrg JH7110_AONCLK_GMAC0_TX_INV>;
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+ clock-names = "stmmaceth", "pclk", "ptp_ref",
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+ "gtxc", "tx";
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+ resets = <&aoncrg JH7110_AONRST_GMAC0_AXI>;
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+ reset-names = "stmmaceth";
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+ interrupts = <7>, <6>, <5>;
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+ interrupt-names = "macirq", "eth_wake_irq", "eth_lpi";
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+ max-frame-size = <9000>;
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+ phy-mode = "rgmii-id";
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+ snps,multicast-filter-bins = <64>;
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+ snps,perfect-filter-entries = <128>;
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+ rx-fifo-depth = <2048>;
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+ tx-fifo-depth = <2048>;
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+ snps,fixed-burst;
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+ snps,no-pbl-x8;
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+ snps,force_thresh_dma_mode;
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+ snps,axi-config = <&stmmac_axi_setup>;
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+ snps,tso;
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+ snps,en-tx-lpi-clockgating;
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+ snps,en-lpi;
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+ snps,write-requests = <4>;
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+ snps,read-requests = <4>;
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+ snps,burst-map = <0x7>;
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+ snps,txpbl = <16>;
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+ snps,rxpbl = <16>;
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+ };
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diff --git a/Documentation/devicetree/bindings/net/snps,dwmac.yaml b/Documentation/devicetree/bindings/net/snps,dwmac.yaml
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index d8779d3de3d6..ee32081e6213 100644
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--- a/Documentation/devicetree/bindings/net/snps,dwmac.yaml
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+++ b/Documentation/devicetree/bindings/net/snps,dwmac.yaml
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@@ -90,6 +90,8 @@ properties:
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- snps,dwmac-5.10a
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- snps,dwxgmac
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- snps,dwxgmac-2.10
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+ - starfive,jh7100-gmac
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+ - starfive,jh7110-gmac
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reg:
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minItems: 1
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--
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Armbian
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