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Message-Id: <20201021214910.20001-3-l.stelmach@samsung.com>
Date: Wed, 21 Oct 2020 23:49:07 +0200
From: Łukasz Stelmach <l.stelmach@...sung.com>
To: Andrew Lunn <andrew@...n.ch>, jim.cromie@...il.com,
Heiner Kallweit <hkallweit1@...il.com>,
"David S. Miller" <davem@...emloft.net>,
Jakub Kicinski <kuba@...nel.org>,
Rob Herring <robh+dt@...nel.org>,
Kukjin Kim <kgene@...nel.org>,
Krzysztof Kozlowski <krzk@...nel.org>,
Russell King <linux@...linux.org.uk>, netdev@...r.kernel.org,
devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org,
linux-samsung-soc@...r.kernel.org
Cc: Bartłomiej Żolnierkiewicz
<b.zolnierkie@...sung.com>,
Marek Szyprowski <m.szyprowski@...sung.com>,
Łukasz Stelmach <l.stelmach@...sung.com>
Subject: [PATCH v3 2/5] 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.yaml | 69 +++++++++++++++++++
1 file changed, 69 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..6c4c49fcad66
--- /dev/null
+++ b/Documentation/devicetree/bindings/net/asix,ax88796c.yaml
@@ -0,0 +1,69 @@
+# 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
+
+maintainers:
+ - Łukasz Stelmach <l.stelmach@...sung.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
+ - interrupt-parrent
+ - reset-gpios
+
+additionalProperties: false
+
+examples:
+ # Artik5 eval board
+ - |
+ #include <dt-bindings/interrupt-controller/irq.h>
+ #include <dt-bindings/interrupt-controller/gpio.h>
+ 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>;
+ };
--
2.26.2
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