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timer: cadence: Add bind function to driver
author
Michal Simek
<michal.simek@xilinx.com>
Fri, 15 Oct 2021 13:17:28 +0000
(15:17 +0200)
committer
Michal Simek
<michal.simek@xilinx.com>
Wed, 30 Mar 2022 12:43:26 +0000
(14:43 +0200)
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
drivers/timer/cadence-ttc.c
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diff --git
a/drivers/timer/cadence-ttc.c
b/drivers/timer/cadence-ttc.c
index 2f95d45ecd7a1ed06bb372ba066c6da1bdbfeb26..2eff45060ad6811a71fb61a1cceb1f3b32a6b821 100644
(file)
--- a/
drivers/timer/cadence-ttc.c
+++ b/
drivers/timer/cadence-ttc.c
@@
-97,6
+97,17
@@
static int cadence_ttc_of_to_plat(struct udevice *dev)
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
@@
U_BOOT_DRIVER(cadence_ttc) = {
.priv_auto = sizeof(struct cadence_ttc_priv),
.probe = cadence_ttc_probe,
.ops = &cadence_ttc_ops,
+ .bind = cadence_ttc_bind,
};