build/patch/kernel/archive/starfive-6.1/1039-dt-bindings-net-Add-dwmac-starfive-bindings.patch

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