125 lines
2.7 KiB
C
125 lines
2.7 KiB
C
/*
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* Copyright (c) 2017-2020, NXP
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <stdint.h>
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#include <errno.h>
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#include <device.h>
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#include <drivers/pinmux.h>
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#include <fsl_common.h>
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#include <fsl_clock.h>
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#include <fsl_device_registers.h>
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#define PORT0_IDX 0u
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#define PORT1_IDX 1u
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struct pinmux_mcux_lpc_config {
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clock_ip_name_t clock_ip_name;
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#ifdef IOPCTL
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IOPCTL_Type *base;
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#else
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IOCON_Type *base;
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#endif
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uint32_t port_no;
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};
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static int pinmux_mcux_lpc_set(const struct device *dev, uint32_t pin,
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uint32_t func)
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{
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const struct pinmux_mcux_lpc_config *config = dev->config;
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#ifdef IOPCTL
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IOPCTL_Type *base = config->base;
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#else
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IOCON_Type *base = config->base;
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#endif
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uint32_t port = config->port_no;
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base->PIO[port][pin] = func;
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return 0;
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}
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static int pinmux_mcux_lpc_get(const struct device *dev, uint32_t pin,
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uint32_t *func)
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{
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const struct pinmux_mcux_lpc_config *config = dev->config;
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#ifdef IOPCTL
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IOPCTL_Type *base = config->base;
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#else
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IOCON_Type *base = config->base;
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#endif
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uint32_t port = config->port_no;
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*func = base->PIO[port][pin];
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return 0;
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}
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static int pinmux_mcux_lpc_pullup(const struct device *dev, uint32_t pin,
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uint8_t func)
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{
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return -ENOTSUP;
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}
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static int pinmux_mcux_lpc_input(const struct device *dev, uint32_t pin,
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uint8_t func)
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{
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return -ENOTSUP;
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}
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static int pinmux_mcux_lpc_init(const struct device *dev)
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{
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#ifndef IOPCTL
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const struct pinmux_mcux_lpc_config *config = dev->config;
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CLOCK_EnableClock(config->clock_ip_name);
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#endif
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return 0;
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}
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static const struct pinmux_driver_api pinmux_mcux_driver_api = {
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.set = pinmux_mcux_lpc_set,
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.get = pinmux_mcux_lpc_get,
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.pullup = pinmux_mcux_lpc_pullup,
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.input = pinmux_mcux_lpc_input,
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};
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#ifdef CONFIG_PINMUX_MCUX_LPC_PORT0
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static const struct pinmux_mcux_lpc_config pinmux_mcux_lpc_port0_config = {
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#ifdef IOPCTL
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.base = IOPCTL,
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#else
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.base = IOCON,
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.clock_ip_name = kCLOCK_Iocon,
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#endif
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.port_no = PORT0_IDX,
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};
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DEVICE_AND_API_INIT(pinmux_port0, CONFIG_PINMUX_MCUX_LPC_PORT0_NAME,
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&pinmux_mcux_lpc_init,
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NULL, &pinmux_mcux_lpc_port0_config,
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PRE_KERNEL_1, CONFIG_KERNEL_INIT_PRIORITY_DEFAULT,
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&pinmux_mcux_driver_api);
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#endif /* CONFIG_PINMUX_MCUX_LPC_PORT0 */
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#ifdef CONFIG_PINMUX_MCUX_LPC_PORT1
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static const struct pinmux_mcux_lpc_config pinmux_mcux_lpc_port1_config = {
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#ifdef IOPCTL
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.base = IOPCTL,
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#else
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.base = IOCON,
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.clock_ip_name = kCLOCK_Iocon,
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#endif
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.port_no = PORT1_IDX,
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};
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DEVICE_AND_API_INIT(pinmux_port1, CONFIG_PINMUX_MCUX_LPC_PORT1_NAME,
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&pinmux_mcux_lpc_init,
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NULL, &pinmux_mcux_lpc_port1_config,
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PRE_KERNEL_1, CONFIG_KERNEL_INIT_PRIORITY_DEFAULT,
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&pinmux_mcux_driver_api);
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#endif /* CONFIG_PINMUX_MCUX_LPC_PORT1 */
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