blob: f3a96b51138b8edf7346a36a4324cb8fc52fac1a [file] [log] [blame]
/*
* SPDX-License-Identifier: Apache-2.0
*
* Copyright (C) 2021, Intel Corporation
*
*/
#include <zephyr/drivers/clock_control.h>
#include <zephyr/drivers/clock_control/clock_agilex_ll.h>
#include <zephyr/dt-bindings/clock/intel_socfpga_clock.h>
#include <zephyr/logging/log.h>
LOG_MODULE_REGISTER(clock_control, CONFIG_CLOCK_CONTROL_LOG_LEVEL);
static int clk_init(const struct device *dev)
{
ARG_UNUSED(dev);
LOG_INF("Intel Clock driver initialized");
return 0;
}
static int clk_get_rate(const struct device *dev,
clock_control_subsys_t sub_system,
uint32_t *rate)
{
ARG_UNUSED(dev);
struct clock_attr *attr = (struct clock_attr *)(sub_system);
switch (attr->clock_id) {
case INTEL_SOCFPGA_CLOCK_MPU:
*rate = get_mpu_clk();
break;
case INTEL_SOCFPGA_CLOCK_WDT:
*rate = get_wdt_clk();
break;
case INTEL_SOCFPGA_CLOCK_UART:
*rate = get_uart_clk();
break;
case INTEL_SOCFPGA_CLOCK_MMC:
*rate = get_mmc_clk();
break;
default:
return -ENOTSUP;
}
return 0;
}
static const struct clock_control_driver_api clk_api = {
.get_rate = clk_get_rate
};
DEVICE_DT_DEFINE(DT_NODELABEL(clock), clk_init, NULL, NULL, NULL,
PRE_KERNEL_1, CONFIG_CLOCK_CONTROL_INIT_PRIORITY,
&clk_api);