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Subject[PATCHv1 1/2] dt-bindings: max3421-udc: add dt bindings for MAX3420 UDC
Date
From: Jassi Brar <jaswinder.singh@linaro.org>

Add YAML dt bindings for Maxim MAX3420 UDC controller.

Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
---
.../bindings/usb/maxim,max3420-udc.yaml | 60 +++++++++++++++++++
1 file changed, 60 insertions(+)
create mode 100644 Documentation/devicetree/bindings/usb/maxim,max3420-udc.yaml

diff --git a/Documentation/devicetree/bindings/usb/maxim,max3420-udc.yaml b/Documentation/devicetree/bindings/usb/maxim,max3420-udc.yaml
new file mode 100644
index 000000000000..cf4eec8a618e
--- /dev/null
+++ b/Documentation/devicetree/bindings/usb/maxim,max3420-udc.yaml
@@ -0,0 +1,60 @@
+# SPDX-License-Identifier: GPL-2.0-only
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/usb/maxim,max3420-udc.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: MAXIM MAX3420/1 USB Peripheral Controller
+
+maintainers:
+ - Jassi Brar <jaswinder.singh@linaro.org>
+
+description: |
+ The controller provices USB2.0 compliant FullSpeed peripheral
+ implementation over the SPI interface.
+
+ Specifications about the part can be found at:
+ http://datasheets.maximintegrated.com/en/ds/MAX3420E.pdf
+
+properties:
+ compatible:
+ enum:
+ - maxim,max3420-udc
+ - maxim,max3421-udc
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ minItems: 1
+ maxItems: 2
+ items:
+ - const: udc
+ - const: vbus
+
+ spi-max-frequency:
+ maximum: 26000000
+
+required:
+ - compatible
+ - reg
+ - interrupts
+ - interrupt-names
+
+examples:
+ - |
+ #include <dt-bindings/gpio/gpio.h>
+ #include <dt-bindings/interrupt-controller/irq.h>
+ spi0 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ udc@0 {
+ compatible = "maxim,max3420-udc";
+ reg = <0>;
+ interrupt-parent = <&gpio>;
+ interrupts = <0 IRQ_TYPE_EDGE_FALLING>, <10 IRQ_TYPE_EDGE_BOTH>;
+ interrupt-names = "udc", "vbus";
+ spi-max-frequency = <12500000>;
+ };
+ };
--
2.20.1
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