netdev - [PATCH v2 1/4] dt-bindings: net: Add bindings for AX88796C SPI Ethernet Adapter

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Date:   Fri,  2 Oct 2020 21:22:07 +0200
From:   Łukasz Stelmach <l.stelmach@...sung.com>
To:     "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Krzysztof Kozlowski <krzk@...nel.org>,
        Kukjin Kim <kgene@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Russell King <linux@...linux.org.uk>,
        Andrew Lunn <andrew@...n.ch>, jim.cromie@...il.com,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-samsung-soc@...r.kernel.org, netdev@...r.kernel.org,
        devicetree@...r.kernel.org
Cc:     Bartłomiej Żolnierkiewicz 
        <b.zolnierkie@...sung.com>,
        Marek Szyprowski <m.szyprowski@...sung.com>,
        Łukasz Stelmach <l.stelmach@...sung.com>
Subject: [PATCH v2 1/4] dt-bindings: net: Add bindings for AX88796C SPI
 Ethernet Adapter

Add bindings for AX88796C SPI Ethernet Adapter.

Signed-off-by: Łukasz Stelmach <l.stelmach@...sung.com>
---
 .../bindings/net/asix,ax88796c-spi.yaml       | 76 +++++++++++++++++++
 .../devicetree/bindings/vendor-prefixes.yaml  |  2 +
 2 files changed, 78 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/net/asix,ax88796c-spi.yaml

diff --git a/Documentation/devicetree/bindings/net/asix,ax88796c-spi.yaml b/Documentation/devicetree/bindings/net/asix,ax88796c-spi.yaml
new file mode 100644
index 000000000000..50a488d59dbf
--- /dev/null
+++ b/Documentation/devicetree/bindings/net/asix,ax88796c-spi.yaml
@@ -0,0 +1,76 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/net/asix,ax88796c-spi.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: ASIX AX88796C SPI Ethernet Adapter
+
+allOf:
+  - $ref: ethernet-controller.yaml#
+
+description: |
+  ASIX AX88796C is an Ethernet controller with a built in PHY. This
+  describes SPI mode of the chip.
+
+  The node for this driver must be a child node of a SPI controller, hence
+  all mandatory properties described in ../spi/spi-bus.txt must be specified.
+
+maintainers:
+  - Łukasz Stelmach <l.stelmach@...sung.com>
+
+properties:
+  compatible:
+    const: asix,ax99796c-spi
+
+  reg:
+    description:
+      SPI device address.
+    maxItems: 1
+
+  spi-max-frequency:
+    maximum: 40000000
+
+  interrupts:
+    description:
+     GPIO interrupt to which the chip is connected.
+    maxItems: 1
+
+  interrupt-parrent:
+    description:
+      A phandle of an interrupt controller.
+    maxItems: 1
+
+  reset-gpios:
+    description:
+      A GPIO line handling reset of the chip. As the line is active low,
+      it should be marked GPIO_ACTIVE_LOW.
+    maxItems: 1
+
+  local-mac-address: true
+
+  mac-address: true
+
+required:
+  - compatible
+  - reg
+  - spi-max-frequency
+  - interrupts
+  - interrupt-parrent
+  - reset-gpios
+
+examples:
+  # Artik5 eval board
+  - |
+    ax88796c@0 {
+        compatible = "asix,ax88796c";
+        local-mac-address = [00 00 00 00 00 00]; /* Filled in by a bootloader */
+        interrupt-parent = <&gpx2>;
+        interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
+        spi-max-frequency = <40000000>;
+        reg = <0x0>;
+        reset-gpios = <&gpe0 2 GPIO_ACTIVE_LOW>;
+        controller-data {
+            samsung,spi-feedback-delay = <2>;
+        };
+    };
diff --git a/Documentation/devicetree/bindings/vendor-prefixes.yaml b/Documentation/devicetree/bindings/vendor-prefixes.yaml
index 2baee2c817c1..5ce5c4a43735 100644
--- a/Documentation/devicetree/bindings/vendor-prefixes.yaml
+++ b/Documentation/devicetree/bindings/vendor-prefixes.yaml
@@ -117,6 +117,8 @@ patternProperties:
     description: Asahi Kasei Corp.
   "^asc,.*":
     description: All Sensors Corporation
+  "^asix,.*":
+    description: ASIX Electronics Corporation
   "^aspeed,.*":
     description: ASPEED Technology Inc.
   "^asus,.*":
-- 
2.26.2