75 lines
2.5 KiB
C
75 lines
2.5 KiB
C
/*
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* Copyright (c) 2015 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 <kernel.h>
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#include "board.h"
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#include <uart.h>
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#include <device.h>
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#include <init.h>
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#if defined(CONFIG_TI_CC2520_LEGACY) || \
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defined(CONFIG_TI_CC2520) || \
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defined(CONFIG_TI_CC2520_RAW)
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#include <ieee802154/cc2520.h>
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#include <gpio.h>
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static struct cc2520_gpio_configuration cc2520_gpios[CC2520_GPIO_IDX_MAX] = {
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{ .dev = NULL, .pin = CC2520_GPIO_VREG_EN, },
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{ .dev = NULL, .pin = CC2520_GPIO_RESET, },
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{ .dev = NULL, .pin = CC2520_GPIO_FIFO, },
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{ .dev = NULL, .pin = CC2520_GPIO_CCA, },
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{ .dev = NULL, .pin = CC2520_GPIO_SFD, },
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{ .dev = NULL, .pin = CC2520_GPIO_FIFOP, },
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};
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struct cc2520_gpio_configuration *cc2520_configure_gpios(void)
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{
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const int flags_noint_out = GPIO_DIR_OUT;
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const int flags_noint_in = GPIO_DIR_IN;
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const int flags_int_in = (GPIO_DIR_IN | GPIO_INT | GPIO_INT_EDGE |
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GPIO_INT_ACTIVE_HIGH | GPIO_INT_DEBOUNCE);
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struct device *gpio;
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gpio = device_get_binding(CONFIG_TI_CC2520_GPIO_1_NAME);
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gpio_pin_configure(gpio, cc2520_gpios[CC2520_GPIO_IDX_VREG_EN].pin,
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flags_noint_out);
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gpio_pin_configure(gpio, cc2520_gpios[CC2520_GPIO_IDX_RESET].pin,
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flags_noint_out);
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cc2520_gpios[CC2520_GPIO_IDX_VREG_EN].dev = gpio;
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cc2520_gpios[CC2520_GPIO_IDX_RESET].dev = gpio;
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gpio = device_get_binding(CONFIG_TI_CC2520_GPIO_0_NAME);
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gpio_pin_configure(gpio, cc2520_gpios[CC2520_GPIO_IDX_SFD].pin,
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flags_int_in);
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gpio_pin_configure(gpio, cc2520_gpios[CC2520_GPIO_IDX_FIFOP].pin,
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flags_int_in);
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gpio_pin_configure(gpio, cc2520_gpios[CC2520_GPIO_IDX_FIFO].pin,
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flags_noint_in);
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gpio_pin_configure(gpio, cc2520_gpios[CC2520_GPIO_IDX_CCA].pin,
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flags_noint_in);
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cc2520_gpios[CC2520_GPIO_IDX_FIFOP].dev = gpio;
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cc2520_gpios[CC2520_GPIO_IDX_FIFO].dev = gpio;
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cc2520_gpios[CC2520_GPIO_IDX_SFD].dev = gpio;
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cc2520_gpios[CC2520_GPIO_IDX_CCA].dev = gpio;
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return cc2520_gpios;
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}
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#endif /* CONFIG_TI_CC2520_LEGACY || CONFIG_TI_CC2520 || CONFIG_TI_CC2520_RAW */
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