41 lines
893 B
C
41 lines
893 B
C
/*
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* Copyright (c) 2019 Atmark Techno, Inc.
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <init.h>
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#include <gpio.h>
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static int board_degu_evk_init(struct device *dev)
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{
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ARG_UNUSED(dev);
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struct device *gpio0 = device_get_binding(DT_GPIO_P0_DEV_NAME);
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struct device *gpio1 = device_get_binding(DT_GPIO_P1_DEV_NAME);
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/*
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* Degu Evaluation Kit has a TPS22916C power switch.
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* It is connected to GPIO0_26 so we must enable it.
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*/
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gpio_pin_configure(gpio0, 26, GPIO_DIR_OUT);
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gpio_pin_write(gpio0, 26, 1);
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/*
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* We must enable GPIO1_2 to use Secure Element.
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*/
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gpio_pin_configure(gpio1, 2, GPIO_DIR_OUT);
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gpio_pin_write(gpio1, 2, 1);
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/*
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* We must enable GPIO1_6 to read Vin voltage.
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*/
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gpio_pin_configure(gpio1, 6, GPIO_DIR_OUT);
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gpio_pin_write(gpio1, 6, 1);
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return 0;
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}
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SYS_INIT(board_degu_evk_init, PRE_KERNEL_1,
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CONFIG_KERNEL_INIT_PRIORITY_DEFAULT);
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