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counter: cmos: use device tree to instantiate driver

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This changes the CMOS RTC driver to use device tree to
instantiate the driver instance.

Signed-off-by: Daniel Leung <daniel.leung@intel.com>
This commit is contained in:
Daniel Leung 2022-02-14 14:19:09 -08:00 • committed by Maureen Helm
commit 170c9026cb
1 changed files with 6 additions and 4 deletions
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10
drivers/counter/counter_cmos.c
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@ -11,14 +11,16 @@
* crossing clock domains (no pun intended). Use accordingly.
*/
#define DT_DRV_COMPAT motorola_mc146818
#include <drivers/counter.h>
#include <device.h>
#include <soc.h>
/* The "CMOS" device is accessed via an address latch and data port. */
#define X86_CMOS_ADDR 0x70
#define X86_CMOS_DATA 0x71
#define X86_CMOS_ADDR (DT_INST_REG_ADDR_BY_IDX(0, 0))
#define X86_CMOS_DATA (DT_INST_REG_ADDR_BY_IDX(0, 1))
/*
* A snapshot of the RTC state, or at least the state we're
@ -208,5 +210,5 @@ static const struct counter_driver_api api = {
.get_value = get_value
};
DEVICE_DEFINE(counter_cmos, "CMOS", init, NULL, NULL, &info,
POST_KERNEL, CONFIG_COUNTER_INIT_PRIORITY, &api);
DEVICE_DT_INST_DEFINE(0, &init, NULL, NULL, &info,
POST_KERNEL, CONFIG_COUNTER_INIT_PRIORITY, &api);