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Message-Id: <20230812151135.1028780-4-keguang.zhang@gmail.com>
Date:   Sat, 12 Aug 2023 23:11:33 +0800
From:   Keguang Zhang <keguang.zhang@...il.com>
To:     netdev@...r.kernel.org, devicetree@...r.kernel.org,
        linux-mips@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     Lee Jones <lee@...nel.org>, Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        "David S . Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
        Giuseppe Cavallaro <peppe.cavallaro@...com>,
        Alexandre Torgue <alexandre.torgue@...s.st.com>,
        Jose Abreu <joabreu@...opsys.com>,
        Serge Semin <Sergey.Semin@...kalelectronics.ru>,
        Keguang Zhang <keguang.zhang@...il.com>
Subject: [PATCH 3/5] dt-bindings: net: Add Loongson-1 DWMAC glue layer

Add devicetree binding document for Loongson-1 DWMAC glue layer.

Signed-off-by: Keguang Zhang <keguang.zhang@...il.com>
---
 .../bindings/net/loongson,ls1x-dwmac.yaml     | 98 +++++++++++++++++++
 .../devicetree/bindings/net/snps,dwmac.yaml   |  2 +
 2 files changed, 100 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/net/loongson,ls1x-dwmac.yaml

diff --git a/Documentation/devicetree/bindings/net/loongson,ls1x-dwmac.yaml b/Documentation/devicetree/bindings/net/loongson,ls1x-dwmac.yaml
new file mode 100644
index 000000000000..150799460599
--- /dev/null
+++ b/Documentation/devicetree/bindings/net/loongson,ls1x-dwmac.yaml
@@ -0,0 +1,98 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/net/loongson,ls1x-dwmac.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Loongson-1 DWMAC glue layer
+
+maintainers:
+  - Keguang Zhang <keguang.zhang@...il.com>
+
+select:
+  properties:
+    compatible:
+      contains:
+        enum:
+          - loongson,ls1b-dwmac
+          - loongson,ls1c-dwmac
+  required:
+    - compatible
+
+properties:
+  compatible:
+    items:
+      - enum:
+          - loongson,ls1b-dwmac
+          - loongson,ls1c-dwmac
+      - const: snps,dwmac-3.50a
+
+  reg:
+    maxItems: 1
+
+  clocks:
+    maxItems: 1
+
+  clock-names:
+    const: stmmaceth
+
+  interrupts:
+    maxItems: 1
+
+  interrupt-names:
+    const: macirq
+
+  syscon:
+    $ref: /schemas/types.yaml#/definitions/phandle
+    description:
+      Phandle to the syscon containing some extra configurations
+      including PHY interface mode.
+
+required:
+  - compatible
+  - reg
+  - clocks
+  - clock-names
+  - interrupts
+  - interrupt-names
+  - phy-handle
+  - phy-mode
+  - syscon
+
+allOf:
+  - $ref: snps,dwmac.yaml#
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/clock/loongson,ls1x-clk.h>
+    #include <dt-bindings/interrupt-controller/irq.h>
+
+    gmac0: ethernet@...10000 {
+        compatible = "loongson,ls1b-dwmac", "snps,dwmac-3.50a";
+        reg = <0x1fe10000 0x10000>;
+
+        clocks = <&clkc LS1X_CLKID_AHB>;
+        clock-names = "stmmaceth";
+
+        interrupt-parent = <&intc1>;
+        interrupts = <2 IRQ_TYPE_LEVEL_HIGH>;
+        interrupt-names = "macirq";
+
+        phy-handle = <&phy0>;
+        phy-mode = "mii";
+
+        snps,pbl = <1>;
+        syscon = <&syscon>;
+
+        mdio {
+            #address-cells = <1>;
+            #size-cells = <0>;
+            compatible = "snps,dwmac-mdio";
+
+            phy0: ethernet-phy@0 {
+                reg = <0x0>;
+            };
+        };
+    };
diff --git a/Documentation/devicetree/bindings/net/snps,dwmac.yaml b/Documentation/devicetree/bindings/net/snps,dwmac.yaml
index ddf9522a5dc2..e1a956cf171e 100644
--- a/Documentation/devicetree/bindings/net/snps,dwmac.yaml
+++ b/Documentation/devicetree/bindings/net/snps,dwmac.yaml
@@ -66,6 +66,8 @@ properties:
         - ingenic,x2000-mac
         - loongson,ls2k-dwmac
         - loongson,ls7a-dwmac
+        - loongson,ls1b-dwmac
+        - loongson,ls1c-dwmac
         - qcom,qcs404-ethqos
         - qcom,sa8775p-ethqos
         - qcom,sc8280xp-ethqos
-- 
2.39.2

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