82 lines
1.9 KiB
C
82 lines
1.9 KiB
C
/*
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* Copyright (c) 2016 Freescale Semiconductor, Inc.
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* Copyright (c) 2018 Foundries.io
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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 openisa_rv32m1_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_rv32m1_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_rv32m1_set(struct device *dev, u32_t pin, u32_t func)
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{
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const struct pinmux_rv32m1_config *config = dev->config->config_info;
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PORT_Type *base = config->base;
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base->PCR[pin] = (base->PCR[pin] & ~PORT_PCR_MUX_MASK) | func;
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return 0;
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}
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static int pinmux_rv32m1_get(struct device *dev, u32_t pin, u32_t *func)
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{
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const struct pinmux_rv32m1_config *config = dev->config->config_info;
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PORT_Type *base = config->base;
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*func = base->PCR[pin] & ~PORT_PCR_MUX_MASK;
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return 0;
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}
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static int pinmux_rv32m1_pullup(struct device *dev, u32_t pin, u8_t func)
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{
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return -ENOTSUP;
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}
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static int pinmux_rv32m1_input(struct device *dev, u32_t pin, u8_t func)
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{
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return -ENOTSUP;
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}
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static int pinmux_rv32m1_init(struct device *dev)
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{
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const struct pinmux_rv32m1_config *config = dev->config->config_info;
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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_rv32m1_driver_api = {
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.set = pinmux_rv32m1_set,
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.get = pinmux_rv32m1_get,
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.pullup = pinmux_rv32m1_pullup,
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.input = pinmux_rv32m1_input,
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};
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#define PINMUX_RV32M1_INIT(n) \
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static const struct pinmux_rv32m1_config pinmux_rv32m1_##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_AND_API_INIT(pinmux_rv32m1_##n, DT_INST_LABEL(n), \
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&pinmux_rv32m1_init, \
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NULL, &pinmux_rv32m1_##n##_config, \
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PRE_KERNEL_1, \
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CONFIG_KERNEL_INIT_PRIORITY_DEFAULT, \
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&pinmux_rv32m1_driver_api)
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DT_INST_FOREACH(PINMUX_RV32M1_INIT)
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