94 lines
2.1 KiB
C
94 lines
2.1 KiB
C
/*
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* Copyright (c) 2016 Freescale Semiconductor, Inc.
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#define DT_DRV_COMPAT nxp_kinetis_pinmux
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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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struct pinmux_mcux_config {
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clock_ip_name_t clock_ip_name;
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PORT_Type *base;
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};
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static int pinmux_mcux_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_config *config = dev->config;
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PORT_Type *base = config->base;
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base->PCR[pin] = func;
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return 0;
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}
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static int pinmux_mcux_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_config *config = dev->config;
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PORT_Type *base = config->base;
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*func = base->PCR[pin];
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return 0;
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}
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static int pinmux_mcux_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_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_init(const struct device *dev)
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{
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const struct pinmux_mcux_config *config = dev->config;
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CLOCK_EnableClock(config->clock_ip_name);
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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_set,
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.get = pinmux_mcux_get,
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.pullup = pinmux_mcux_pullup,
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.input = pinmux_mcux_input,
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};
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#if DT_NODE_HAS_STATUS(DT_INST(0, nxp_kinetis_ke1xf_sim), okay)
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#define INST_DT_CLOCK_IP_NAME(n) \
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DT_REG_ADDR(DT_INST_PHANDLE(n, clocks)) + DT_INST_CLOCKS_CELL(n, name)
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#else
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#define INST_DT_CLOCK_IP_NAME(n) \
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CLK_GATE_DEFINE(DT_INST_CLOCKS_CELL(n, offset), \
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DT_INST_CLOCKS_CELL(n, bits))
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#endif
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#define PINMUX_MCUX_INIT(n) \
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static const struct pinmux_mcux_config pinmux_mcux_##n##_config = {\
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.base = (PORT_Type *)DT_INST_REG_ADDR(n), \
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.clock_ip_name = INST_DT_CLOCK_IP_NAME(n), \
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}; \
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\
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DEVICE_DT_INST_DEFINE(n, \
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&pinmux_mcux_init, \
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NULL, \
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NULL, &pinmux_mcux_##n##_config, \
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PRE_KERNEL_1, \
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CONFIG_KERNEL_INIT_PRIORITY_DEFAULT, \
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&pinmux_mcux_driver_api);
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DT_INST_FOREACH_STATUS_OKAY(PINMUX_MCUX_INIT)
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