diff mbox series

[v4,05/11] dt-bindings: iio: dac: ad3552r: add iio backend support

Message ID 20241003-wip-bl-ad3552r-axi-v0-iio-testing-v4-5-ceb157487329@baylibre.com (mailing list archive)
State Changes Requested
Headers show
Series iio: add support for the ad3552r AXI DAC IP | expand

Commit Message

Angelo Dureghello Oct. 3, 2024, 5:29 p.m. UTC 
From: Angelo Dureghello <adureghello@baylibre.com>

There is a version of AXI DAC IP block (for FPGAs) that provides
a physical QSPI bus for AD3552R and similar chips, so supporting
spi-controller functionalities.

For this case, the binding is modified to include some additional
properties.

Signed-off-by: Angelo Dureghello <adureghello@baylibre.com>
---
 Documentation/devicetree/bindings/iio/dac/adi,ad3552r.yaml | 7 +++++++
 1 file changed, 7 insertions(+)

Comments

Conor Dooley Oct. 4, 2024, 4:04 p.m. UTC | #1 
On Thu, Oct 03, 2024 at 07:29:02PM +0200, Angelo Dureghello wrote:
> From: Angelo Dureghello <adureghello@baylibre.com>
> 
> There is a version of AXI DAC IP block (for FPGAs) that provides
> a physical QSPI bus for AD3552R and similar chips, so supporting
> spi-controller functionalities.
> 
> For this case, the binding is modified to include some additional
> properties.
> 
> Signed-off-by: Angelo Dureghello <adureghello@baylibre.com>

Acked-by: Conor Dooley <conor.dooley@microchip.com>
diff mbox series

Patch

diff --git a/Documentation/devicetree/bindings/iio/dac/adi,ad3552r.yaml b/Documentation/devicetree/bindings/iio/dac/adi,ad3552r.yaml
index 41fe00034742..2d2561a52683 100644
--- a/Documentation/devicetree/bindings/iio/dac/adi,ad3552r.yaml
+++ b/Documentation/devicetree/bindings/iio/dac/adi,ad3552r.yaml
@@ -60,6 +60,12 @@  properties:
     $ref: /schemas/types.yaml#/definitions/uint32
     enum: [0, 1, 2, 3]
 
+  io-backends:
+    description: The iio backend reference.
+      Device can be optionally connected to the "axi-ad3552r IP" fpga-based
+      QSPI + DDR (Double Data Rate) controller to reach high speed transfers.
+    maxItems: 1
+
   '#address-cells':
     const: 1
 
@@ -128,6 +134,7 @@  patternProperties:
           - custom-output-range-config
 
 allOf:
+  - $ref: /schemas/spi/spi-peripheral-props.yaml#
   - if:
       properties:
         compatible: