timer: cadence: Add bind function to driver
When DT node has pwm-cells property it shouldn't be bind as timer driver
but as PWM driver. That's why make sure that this property is checked.
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Reviewed-by: Sean Anderson <sean.anderson@seco.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Link: https://lore.kernel.org/r/434ef195fbedea9f83672a12d1ace0da16e8832e.1634303847.git.michal.simek@xilinx.com
diff --git a/drivers/timer/cadence-ttc.c b/drivers/timer/cadence-ttc.c
index 2f95d45..2eff450 100644
--- a/drivers/timer/cadence-ttc.c
+++ b/drivers/timer/cadence-ttc.c
@@ -97,6 +97,17 @@
return 0;
}
+static int cadence_ttc_bind(struct udevice *dev)
+{
+ const char *cells;
+
+ cells = dev_read_prop(dev, "#pwm-cells", NULL);
+ if (cells)
+ return -ENODEV;
+
+ return 0;
+}
+
static const struct timer_ops cadence_ttc_ops = {
.get_count = cadence_ttc_get_count,
};
@@ -114,4 +125,5 @@
.priv_auto = sizeof(struct cadence_ttc_priv),
.probe = cadence_ttc_probe,
.ops = &cadence_ttc_ops,
+ .bind = cadence_ttc_bind,
};