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To:     "David S. Miller" <davem@davemloft.net>,
        Jakub Kicinski <kuba@kernel.org>, Andrew Lunn <andrew@lunn.ch>,
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        Kukjin Kim <kgene@kernel.org>,
        Krzysztof Kozlowski <krzk@kernel.org>,
        Russell King <linux@armlinux.org.uk>, netdev@vger.kernel.org,
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        <b.zolnierkie@samsung.com>,
        Marek Szyprowski <m.szyprowski@samsung.com>,
        =?UTF-8?q?=C5=81ukasz=20Stelmach?= <l.stelmach@samsung.com>,
        Rob Herring <robh@kernel.org>
Subject: [PATCH net-next v17 2/3] dt-bindings: net: Add bindings for
 AX88796C SPI Ethernet Adapter
Date:   Wed, 20 Oct 2021 20:24:21 +0200
Message-Id: <20211020182422.362647-3-l.stelmach@samsung.com>
In-Reply-To: <20211020182422.362647-1-l.stelmach@samsung.com>
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References: <20211020182422.362647-1-l.stelmach@samsung.com>
        <CGME20211020182427eucas1p19b59c72bedc0d7f7f0ccfdda19982635@eucas1p1.samsung.com>
Precedence: bulk

Add bindings for AX88796C SPI Ethernet Adapter.

Signed-off-by: Łukasz Stelmach <l.stelmach@samsung.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Acked-by: Krzysztof Kozlowski <krzk@kernel.org>
---
 .../bindings/net/asix,ax88796c.yaml           | 73 +++++++++++++++++++
 1 file changed, 73 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/net/asix,ax88796c.yaml

diff --git a/Documentation/devicetree/bindings/net/asix,ax88796c.yaml b/Documentation/devicetree/bindings/net/asix,ax88796c.yaml
new file mode 100644
index 000000000000..699ebf452479
--- /dev/null
+++ b/Documentation/devicetree/bindings/net/asix,ax88796c.yaml
@@ -0,0 +1,73 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/net/asix,ax88796c.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: ASIX AX88796C SPI Ethernet Adapter
+
+maintainers:
+  - Łukasz Stelmach <l.stelmach@samsung.com>
+
+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 an SPI controller,
+  hence all mandatory properties described in
+  ../spi/spi-controller.yaml must be specified.
+
+allOf:
+  - $ref: ethernet-controller.yaml#
+
+properties:
+  compatible:
+    const: asix,ax88796c
+
+  reg:
+    maxItems: 1
+
+  spi-max-frequency:
+    maximum: 40000000
+
+  interrupts:
+    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
+  - reset-gpios
+
+additionalProperties: false
+
+examples:
+  # Artik5 eval board
+  - |
+    #include <dt-bindings/interrupt-controller/irq.h>
+    #include <dt-bindings/gpio/gpio.h>
+    spi0 {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        ethernet@0 {
+            compatible = "asix,ax88796c";
+            reg = <0x0>;
+            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>;
+            reset-gpios = <&gpe0 2 GPIO_ACTIVE_LOW>;
+        };
+    };
-- 
2.30.2