70 lines
1.9 KiB
C
70 lines
1.9 KiB
C
/* pinmux_board_hexiwear.c - pin out mapping for the NXP Hexiwear board */
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/*
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* Copyright (c) 2016 Intel Corporation
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* Copyright (c) 2016, Freescale Semiconductor, Inc.
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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 <sys_io.h>
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#include <pinmux.h>
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#include <pinmux/pinmux.h>
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#include <pinmux/k64/pinmux.h>
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/*
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* I/O pin configuration
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*/
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/*
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* Alter this table to change the default pin settings on the NXP Hexiwear
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* boards. Specifically, change the PINMUX_* values to represent the
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* functionality desired.
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*/
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static const struct pin_config mux_config[] = {
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/* pin, selected mode */
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/* RGB */
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{ K64_PIN_PTC8, K64_PINMUX_FUNC_GPIO},
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{ K64_PIN_PTC9, K64_PINMUX_FUNC_GPIO},
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{ K64_PIN_PTD0, K64_PINMUX_FUNC_GPIO},
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/* I2C1 - accel/mag, gyro, pressure */
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{ K64_PIN_PTC10, (K64_PINMUX_ALT_2 | K64_PINMUX_OPEN_DRN_ENABLE)},
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{ K64_PIN_PTC11, (K64_PINMUX_ALT_2 | K64_PINMUX_OPEN_DRN_ENABLE)},
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/* FXOS8700 INT1 */
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{ K64_PIN_PTC1, K64_PINMUX_FUNC_GPIO},
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/* UART4 - BLE */
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{ K64_PIN_PTE25, K64_PINMUX_ALT_3 },
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{ K64_PIN_PTE24, K64_PINMUX_ALT_3 },
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};
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static int hexiwear_pin_init(struct device *arg)
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{
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ARG_UNUSED(arg);
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/* configure the pins from the default mapping above */
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for (int i = 0; i < ARRAY_SIZE(mux_config); i++) {
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_fsl_k64_set_pin(mux_config[i].pin_num, mux_config[i].mode);
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}
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return 0;
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}
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SYS_INIT(hexiwear_pin_init, SECONDARY, CONFIG_KERNEL_INIT_PRIORITY_DEVICE);
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