blob: 1043f4a484176cb0afbcc2424aac373102ff769c [file] [log] [blame]
/*
* Copyright (c) 2017-2020, NXP
*
* SPDX-License-Identifier: Apache-2.0
*/
#define DT_DRV_COMPAT nxp_lpc_iocon_pio
#include <stdint.h>
#include <errno.h>
#include <device.h>
#include <drivers/pinmux.h>
#include <fsl_common.h>
#include <fsl_clock.h>
#include <fsl_device_registers.h>
struct pinmux_mcux_lpc_config {
clock_ip_name_t clock_ip_name;
volatile uint32_t *base;
};
static int pinmux_mcux_lpc_set(const struct device *dev, uint32_t pin,
uint32_t func)
{
const struct pinmux_mcux_lpc_config *config = dev->config;
volatile uint32_t *base = config->base;
base[pin] = func;
return 0;
}
static int pinmux_mcux_lpc_get(const struct device *dev, uint32_t pin,
uint32_t *func)
{
const struct pinmux_mcux_lpc_config *config = dev->config;
volatile uint32_t *base = config->base;
*func = base[pin];
return 0;
}
static int pinmux_mcux_lpc_pullup(const struct device *dev, uint32_t pin,
uint8_t func)
{
return -ENOTSUP;
}
static int pinmux_mcux_lpc_input(const struct device *dev, uint32_t pin,
uint8_t func)
{
return -ENOTSUP;
}
static int pinmux_mcux_lpc_init(const struct device *dev)
{
#ifndef IOPCTL
const struct pinmux_mcux_lpc_config *config = dev->config;
CLOCK_EnableClock(config->clock_ip_name);
#endif
return 0;
}
static const struct pinmux_driver_api pinmux_mcux_driver_api = {
.set = pinmux_mcux_lpc_set,
.get = pinmux_mcux_lpc_get,
.pullup = pinmux_mcux_lpc_pullup,
.input = pinmux_mcux_lpc_input,
};
#ifdef IOPCTL
#define LPC_CLOCK_IP_NAME kCLOCK_IpInvalid
#else
#define LPC_CLOCK_IP_NAME kCLOCK_Iocon
#endif
#define PINMUX_LPC_INIT(n) \
static const struct pinmux_mcux_lpc_config \
pinmux_mcux_lpc_port##n##_cfg = { \
.base = (uint32_t *)DT_INST_REG_ADDR(n), \
.clock_ip_name = LPC_CLOCK_IP_NAME, \
}; \
\
DEVICE_DT_INST_DEFINE(n, \
&pinmux_mcux_lpc_init, \
NULL, \
NULL, &pinmux_mcux_lpc_port##n##_cfg, \
PRE_KERNEL_1, \
CONFIG_KERNEL_INIT_PRIORITY_DEFAULT, \
&pinmux_mcux_driver_api);
DT_INST_FOREACH_STATUS_OKAY(PINMUX_LPC_INIT)