34 lines
1.1 KiB
PHP
34 lines
1.1 KiB
PHP
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/* -*- mode:c -*-
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*
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* Copyright 2014 The Chromium OS Authors. All rights reserved.
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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/* Declare symbolic names for all the GPIOs that we care about.
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* Note: Those with interrupt handlers must be declared first. */
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GPIO_INT(USER_BUTTON, PIN(A, 0), GPIO_INT_FALLING, button_event)
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/* Outputs */
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GPIO(LED_U, PIN(C, 6), GPIO_OUT_LOW)
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GPIO(LED_D, PIN(C, 7), GPIO_OUT_LOW)
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GPIO(LED_L, PIN(C, 8), GPIO_OUT_LOW)
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GPIO(LED_R, PIN(C, 9), GPIO_OUT_LOW)
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/* Flash SPI interface */
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GPIO(SPI_WP, PIN(C, 3), GPIO_OUT_HIGH)
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GPIO(SPI_HOLD, PIN(C, 4), GPIO_OUT_HIGH)
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GPIO(SPI_CS, PIN(B, 12), GPIO_OUT_HIGH)
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ALTERNATE(PIN_MASK(B, 0xE000), 0, MODULE_SPI_FLASH, 0)
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/* Unimplemented signals which we need to emulate for now */
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UNIMPLEMENTED(ENTERING_RW)
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UNIMPLEMENTED(WP_L)
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ALTERNATE(PIN_MASK(A, 0x0600), 1, MODULE_USART, 0) /* USART1: PA09/PA10 */
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ALTERNATE(PIN_MASK(A, 0xC000), 1, MODULE_UART, 0) /* USART2: PA14/PA15 */
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ALTERNATE(PIN_MASK(B, 0x0C00), 4, MODULE_USART, 0) /* USART3: PB10/PB11 */
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ALTERNATE(PIN_MASK(C, 0x0C00), 0, MODULE_USART, 0) /* USART4: PC10/PC11 */
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