78 lines
1.8 KiB
C
78 lines
1.8 KiB
C
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/* pinmux_dev_qmsi.c - QMSI pinmux dev driver */
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/*
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* Copyright (c) 2016 Intel Corporation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <nanokernel.h>
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#include <device.h>
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#include <init.h>
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#include <pinmux.h>
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#include <sys_io.h>
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#include "pinmux/pinmux.h"
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#include "qm_pinmux.h"
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static int pinmux_dev_set(struct device *dev, uint32_t pin,
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uint32_t func)
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{
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ARG_UNUSED(dev);
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return qm_pmux_select(pin, func) == QM_RC_OK ? 0 : -EIO;
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}
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static int pinmux_dev_get(struct device *dev, uint32_t pin,
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uint32_t *func)
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{
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ARG_UNUSED(dev);
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ARG_UNUSED(pin);
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ARG_UNUSED(func);
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return -ENODEV;
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}
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static int pinmux_dev_pullup(struct device *dev, uint32_t pin,
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uint8_t func)
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{
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ARG_UNUSED(dev);
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return qm_pmux_pullup_en(pin, func) == QM_RC_OK ? 0 : -EIO;
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}
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static int pinmux_dev_input(struct device *dev, uint32_t pin,
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uint8_t func)
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{
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ARG_UNUSED(dev);
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return qm_pmux_input_en(pin, func) == QM_RC_OK ? 0 : -EIO;
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}
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static struct pinmux_driver_api api_funcs = {
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.set = pinmux_dev_set,
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.get = pinmux_dev_get,
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.pullup = pinmux_dev_pullup,
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.input = pinmux_dev_input
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};
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static int pinmux_dev_initialize(struct device *port)
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{
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port->driver_api = &api_funcs;
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return 0;
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}
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DEVICE_INIT(pmux_dev, CONFIG_PINMUX_DEV_NAME, &pinmux_dev_initialize,
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NULL, NULL,
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SECONDARY, CONFIG_KERNEL_INIT_PRIORITY_DEFAULT);
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