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https://github.com/zephyrproject-rtos/zephyr
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cf7c826874
Support for running cc2520 radio found on Quark SE devboard. Change-Id: Ib0781489e3ebae8569a13c35d3fe6a6d87ac9a3b Signed-off-by: Jukka Rissanen <jukka.rissanen@linux.intel.com> Signed-off-by: Tomasz Bursztyka <tomasz.bursztyka@linux.intel.com>
74 lines
2.3 KiB
C
74 lines
2.3 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 <nanokernel.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_NETWORKING_WITH_15_4_TI_CC2520)
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#include <802.15.4/cc2520_arch.h>
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struct device *cc2520_spi_configure(void)
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{
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struct device *spi;
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struct spi_config spi_conf = {
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.config = (8 << 4),
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.max_sys_freq = sys_clock_hw_cycles_per_sec /
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(250*1000), /* 250Khz */
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};
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spi = device_get_binding(CONFIG_SPI_DW_PORT_1_DRV_NAME);
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spi_configure(spi, &spi_conf);
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return spi;
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}
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struct cc2520_gpio_config **cc2520_gpio_configure(void)
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{
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struct device *gpio;
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int flags_int = GPIO_INT | GPIO_INT_LEVEL |
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GPIO_INT_ACTIVE_HIGH | GPIO_INT_DEBOUNCE;
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int flags_int_in = flags_int | GPIO_DIR_IN;
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int flags_noint_out = GPIO_DIR_OUT;
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int flags_noint_in = GPIO_DIR_IN;
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gpio = device_get_binding(CONFIG_GPIO_DW_0_NAME);
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gpio_pin_configure(gpio, CONFIG_CC2520_GPIO_FIFOP, flags_int_in);
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gpio_pin_configure(gpio, CONFIG_CC2520_GPIO_FIFO, flags_noint_in);
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gpio_pin_configure(gpio, CONFIG_CC2520_GPIO_CCA, flags_noint_in);
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gpio_pin_configure(gpio, CONFIG_CC2520_GPIO_SFD, flags_noint_in);
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cc2520_gpio_config[CC2520_GPIO_IDX_FIFOP].gpio = gpio;
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cc2520_gpio_config[CC2520_GPIO_IDX_FIFO].gpio = gpio;
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cc2520_gpio_config[CC2520_GPIO_IDX_SFD].gpio = gpio;
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cc2520_gpio_config[CC2520_GPIO_IDX_CCA].gpio = gpio;
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gpio = device_get_binding(CONFIG_GPIO_DW_1_NAME);
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gpio_pin_configure(gpio, CONFIG_CC2520_GPIO_VREG, flags_noint_out);
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gpio_pin_configure(gpio, CONFIG_CC2520_GPIO_RESET, flags_noint_out);
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cc2520_gpio_config[CC2520_GPIO_IDX_VREG].gpio = gpio;
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cc2520_gpio_config[CC2520_GPIO_IDX_RESET].gpio = gpio;
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return (struct cc2520_gpio_config **)&cc2520_gpio_config;
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}
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#endif /* CONFIG_NETWORKING_WITH_15_4_TI_CC2520 */
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