From: GrĂ©gor Boirie <[email protected]>

Add compatible string that should be used in DT.
Also cascade of_node to newly allocated trigger device.

Signed-off-by: Gregor Boirie <[email protected]>
Signed-off-by: Fabrice Gasnier <[email protected]>
---
Original PATCH from Gregor Boirie:
https://marc.info/?l=linux-iio&m=145590953607905&w=4

Updates:
- compatible string changed to "interrupt-trigger"
- cascade of_node down to iio trigger device
---
 drivers/iio/trigger/iio-trig-interrupt.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/drivers/iio/trigger/iio-trig-interrupt.c 
b/drivers/iio/trigger/iio-trig-interrupt.c
index e18f12b..6ee1f7e 100644
--- a/drivers/iio/trigger/iio-trig-interrupt.c
+++ b/drivers/iio/trigger/iio-trig-interrupt.c
@@ -62,6 +62,7 @@ static int iio_interrupt_trigger_probe(struct platform_device 
*pdev)
        }
        iio_trigger_set_drvdata(trig, trig_info);
        trig_info->irq = irq;
+       trig->dev.of_node = pdev->dev.of_node;
        trig->ops = &iio_interrupt_trigger_ops;
        ret = request_irq(irq, iio_interrupt_trigger_poll,
                          irqflags, trig->name, trig);
@@ -104,11 +105,20 @@ static int iio_interrupt_trigger_remove(struct 
platform_device *pdev)
        return 0;
 }
 
+#ifdef CONFIG_OF
+static const struct of_device_id iio_interrupt_trigger_of_match[] = {
+       { .compatible = "interrupt-trigger" },
+       {},
+};
+MODULE_DEVICE_TABLE(of, iio_interrupt_trigger_of_match);
+#endif
+
 static struct platform_driver iio_interrupt_trigger_driver = {
        .probe = iio_interrupt_trigger_probe,
        .remove = iio_interrupt_trigger_remove,
        .driver = {
                .name = "iio_interrupt_trigger",
+               .of_match_table = of_match_ptr(iio_interrupt_trigger_of_match),
        },
 };
 
-- 
1.9.1

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