| /* |
| * Copyright (c) 2015 Intel Corporation |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include <nanokernel.h> |
| #include "board.h" |
| #include <uart.h> |
| #include <device.h> |
| #include <init.h> |
| |
| #if defined(CONFIG_NETWORKING_WITH_15_4_TI_CC2520) |
| |
| #include <gpio.h> |
| |
| static struct device *cc2520_gpio_config[CC2520_GPIO_IDX_LAST_ENTRY]; |
| |
| struct device **cc2520_configure_gpios(void) |
| { |
| struct device *gpio; |
| |
| const int flags_noint_out = GPIO_DIR_OUT; |
| const int flags_noint_in = GPIO_DIR_IN; |
| const int flags_int_in = (GPIO_DIR_IN | GPIO_INT | GPIO_INT_EDGE | |
| GPIO_INT_ACTIVE_HIGH | GPIO_INT_DEBOUNCE); |
| |
| gpio = device_get_binding(CONFIG_TI_CC2520_GPIO_AON_NAME); |
| gpio_pin_configure(gpio, CONFIG_CC2520_GPIO_VREG_EN, flags_noint_out); |
| gpio_pin_configure(gpio, CONFIG_CC2520_GPIO_RESET, flags_noint_out); |
| |
| cc2520_gpio_config[CC2520_GPIO_IDX_VREG_EN] = gpio; |
| cc2520_gpio_config[CC2520_GPIO_IDX_RESET] = gpio; |
| |
| gpio = device_get_binding(CONFIG_TI_CC2520_GPIO_NAME); |
| gpio_pin_configure(gpio, CONFIG_CC2520_GPIO_SFD, flags_int_in); |
| gpio_pin_configure(gpio, CONFIG_CC2520_GPIO_FIFOP, flags_int_in); |
| gpio_pin_configure(gpio, CONFIG_CC2520_GPIO_FIFO, flags_noint_in); |
| gpio_pin_configure(gpio, CONFIG_CC2520_GPIO_CCA, flags_noint_in); |
| |
| cc2520_gpio_config[CC2520_GPIO_IDX_FIFOP] = gpio; |
| cc2520_gpio_config[CC2520_GPIO_IDX_FIFO] = gpio; |
| cc2520_gpio_config[CC2520_GPIO_IDX_SFD] = gpio; |
| cc2520_gpio_config[CC2520_GPIO_IDX_CCA] = gpio; |
| |
| return cc2520_gpio_config; |
| } |
| |
| #endif /* CONFIG_NETWORKING_WITH_15_4_TI_CC2520 */ |