[PATCH v3 2/5] dt-bindings: net: Add bindings for AX88796C SPI Ethernet Adapter

Łukasz Stelmach
2020-10-21T21:50:32Z

Add bindings for AX88796C SPI Ethernet Adapter.

Signed-off-by: Łukasz Stelmach <l.stelmach@samsung.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@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
+ - 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