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From:   Justin Chen <justin.chen@broadcom.com>
To:     netdev@vger.kernel.org, devicetree@vger.kernel.org,
        linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org,
        bcm-kernel-feedback-list@broadcom.com
Cc:     florian.fainelli@broadcom.com, davem@davemloft.net,
        edumazet@google.com, kuba@kernel.org, pabeni@redhat.com,
        robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org,
        conor+dt@kernel.org, opendmb@gmail.com, andrew@lunn.ch,
        hkallweit1@gmail.com, linux@armlinux.org.uk,
        richardcochran@gmail.com, sumit.semwal@linaro.org,
        christian.koenig@amd.com, simon.horman@corigine.com,
        Justin Chen <justin.chen@broadcom.com>
Subject: [PATCH net-next v6 2/6] dt-bindings: net: Brcm ASP 2.0 Ethernet controller
Date:   Thu,  1 Jun 2023 15:12:27 -0700
Message-Id: <1685657551-38291-3-git-send-email-justin.chen@broadcom.com>
In-Reply-To: <1685657551-38291-1-git-send-email-justin.chen@broadcom.com>
References: <1685657551-38291-1-git-send-email-justin.chen@broadcom.com>
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        boundary="0000000000009ab11405fd18bc06"
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--0000000000009ab11405fd18bc06

From: Florian Fainelli <florian.fainelli@broadcom.com>

Add a binding document for the Broadcom ASP 2.0 Ethernet
controller.

Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Signed-off-by: Florian Fainelli <florian.fainelli@broadcom.com>
Signed-off-by: Justin Chen <justin.chen@broadcom.com>
---
v6
	- Moved compatible to the top
	- Changed quotes to be consistent
	- Elaborated on brcm,channel description

v5
	- Fix compatible string yaml format to properly capture what we want

v4
        - Adjust compatible string example to reference SoC and HW ver

v3
        - Minor formatting issues
        - Change channel prop to brcm,channel for vendor specific format
        - Removed redundant v2.0 from compat string
        - Fix ranges field

v2
        - Minor formatting issues

 .../devicetree/bindings/net/brcm,asp-v2.0.yaml     | 153 +++++++++++++++++++++
 1 file changed, 153 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/net/brcm,asp-v2.0.yaml

diff --git a/Documentation/devicetree/bindings/net/brcm,asp-v2.0.yaml b/Documentation/devicetree/bindings/net/brcm,asp-v2.0.yaml
new file mode 100644
index 000000000000..3f2bf64b65c0
--- /dev/null
+++ b/Documentation/devicetree/bindings/net/brcm,asp-v2.0.yaml
@@ -0,0 +1,153 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/net/brcm,asp-v2.0.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Broadcom ASP 2.0 Ethernet controller
+
+maintainers:
+  - Justin Chen <justin.chen@broadcom.com>
+  - Florian Fainelli <florian.fainelli@broadcom.com>
+
+description: Broadcom Ethernet controller first introduced with 72165
+
+properties:
+  compatible:
+    oneOf:
+      - items:
+          - enum:
+              - brcm,bcm74165-asp
+          - const: brcm,asp-v2.1
+      - items:
+          - enum:
+              - brcm,bcm72165-asp
+          - const: brcm,asp-v2.0
+
+  "#address-cells":
+    const: 1
+  "#size-cells":
+    const: 1
+
+  reg:
+    maxItems: 1
+
+  ranges: true
+
+  interrupts:
+    minItems: 1
+    items:
+      - description: RX/TX interrupt
+      - description: Port 0 Wake-on-LAN
+      - description: Port 1 Wake-on-LAN
+
+  clocks:
+    maxItems: 1
+
+  ethernet-ports:
+    type: object
+    properties:
+      "#address-cells":
+        const: 1
+      "#size-cells":
+        const: 0
+
+    patternProperties:
+      "^port@[0-9]+$":
+        type: object
+
+        $ref: ethernet-controller.yaml#
+
+        properties:
+          reg:
+            maxItems: 1
+            description: Port number
+
+          brcm,channel:
+            $ref: /schemas/types.yaml#/definitions/uint32
+            description: |
+              ASP Channel Number
+
+              The depacketizer channel that consumes packets from
+              the unimac/port.
+
+        required:
+          - reg
+          - brcm,channel
+
+    additionalProperties: false
+
+patternProperties:
+  "^mdio@[0-9a-f]+$":
+    type: object
+    $ref: brcm,unimac-mdio.yaml
+
+    description:
+      ASP internal UniMAC MDIO bus
+
+required:
+  - compatible
+  - reg
+  - interrupts
+  - clocks
+  - ranges
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/irq.h>
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+
+    ethernet@9c00000 {
+        compatible = "brcm,bcm72165-asp", "brcm,asp-v2.0";
+        reg = <0x9c00000 0x1fff14>;
+        interrupts = <GIC_SPI 51 IRQ_TYPE_LEVEL_HIGH>;
+        ranges = <0x0 0x9c00000 0x1fff14>;
+        clocks = <&scmi 14>;
+        #address-cells = <1>;
+        #size-cells = <1>;
+
+        mdio@c614 {
+            compatible = "brcm,asp-v2.0-mdio";
+            reg = <0xc614 0x8>;
+            reg-names = "mdio";
+            #address-cells = <1>;
+            #size-cells = <0>;
+
+            phy0: ethernet-phy@1 {
+                reg = <1>;
+            };
+       };
+
+        mdio@ce14 {
+            compatible = "brcm,asp-v2.0-mdio";
+            reg = <0xce14 0x8>;
+            reg-names = "mdio";
+            #address-cells = <1>;
+            #size-cells = <0>;
+
+            phy1: ethernet-phy@1 {
+                reg = <1>;
+            };
+        };
+
+        ethernet-ports {
+            #address-cells = <1>;
+            #size-cells = <0>;
+
+            port@0 {
+                reg = <0>;
+                brcm,channel = <8>;
+                phy-mode = "rgmii";
+                phy-handle = <&phy0>;
+            };
+
+            port@1 {
+                reg = <1>;
+                brcm,channel = <9>;
+                phy-mode = "rgmii";
+                phy-handle = <&phy1>;
+            };
+        };
+    };
-- 
2.7.4


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