On 2022-06-13 21:23, Chris Morgan wrote:
From: Chris Morgan <macromorgan@xxxxxxxxxxx>
Add documentation for adc-joystick,no-hardware-trigger. New device-tree
properties have been added.
- adc-joystick,no-hardware-trigger: A boolean value noting the joystick
device should be polled rather than
use a triggered buffer.
Signed-off-by: Maya Matuszczyk <maccraft123mc@xxxxxxxxx>
Signed-off-by: Chris Morgan <macromorgan@xxxxxxxxxxx>
---
.../devicetree/bindings/input/adc-joystick.yaml | 9 ++++++++-
1 file changed, 8 insertions(+), 1 deletion(-)
diff --git a/Documentation/devicetree/bindings/input/adc-joystick.yaml
b/Documentation/devicetree/bindings/input/adc-joystick.yaml
index 2ee04e03bc22..627cc6c40191 100644
--- a/Documentation/devicetree/bindings/input/adc-joystick.yaml
+++ b/Documentation/devicetree/bindings/input/adc-joystick.yaml
@@ -12,12 +12,19 @@ maintainers:
description: >
Bindings for joystick devices connected to ADC controllers
supporting
- the Industrial I/O subsystem.
+ the Industrial I/O subsystem. Supports both polled devices where no
+ iio trigger is available and non-polled devices which are triggered
+ by iio.
properties:
compatible:
const: adc-joystick
+ adc-joystick,no-hardware-trigger:
I'm against using Device Tree for this functionality. See my reply to
patch 2/3 for details.
But in case we do end up going DT way, I would much prefer going with
Rob's suggestion of using the existing `poll-interval` input property.
Cheers,
Artur
+ type: boolean
+ description:
+ If the device does not support triggered buffers and needs to be
polled.
+
io-channels:
minItems: 1
maxItems: 1024
