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timer: cadence: Add bind function to driver

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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
This commit is contained in:
Michal Simek 2021-10-15 15:17:28 +02:00
parent 035d56f238
commit dcbdd24259
1 changed files with 12 additions and 0 deletions
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12
drivers/timer/cadence-ttc.c
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@ -97,6 +97,17 @@ static int cadence_ttc_of_to_plat(struct udevice *dev)
return 0; 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 = { static const struct timer_ops cadence_ttc_ops = {
.get_count = cadence_ttc_get_count, .get_count = cadence_ttc_get_count,
}; };
@ -114,4 +125,5 @@ U_BOOT_DRIVER(cadence_ttc) = {
.priv_auto = sizeof(struct cadence_ttc_priv), .priv_auto = sizeof(struct cadence_ttc_priv),
.probe = cadence_ttc_probe, .probe = cadence_ttc_probe,
.ops = &cadence_ttc_ops, .ops = &cadence_ttc_ops,
.bind = cadence_ttc_bind,
}; };