diff options
Diffstat (limited to 'board/honeybuns/gpio.inc')
| -rw-r--r-- | board/honeybuns/gpio.inc | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/board/honeybuns/gpio.inc b/board/honeybuns/gpio.inc new file mode 100644 index 0000000000..e61972a6a3 --- /dev/null +++ b/board/honeybuns/gpio.inc @@ -0,0 +1,55 @@ +/* -*- mode:c -*- + * + * Copyright 2015 The Chromium OS Authors. All rights reserved. + * Use of this source code is governed by a BSD-style license that can be + * found in the LICENSE file. + */ + +/*GPIO(DP_HPD, A, 0, GPIO_INT_BOTH, hpd_event)*/ +GPIO(DP_HPD, A, 0, GPIO_INPUT, NULL) + +/* PD RX/TX */ +GPIO(USB_CC1_PD, A, 1, GPIO_ANALOG, NULL) +GPIO(PD_VBUS_P, A, 5, GPIO_ANALOG, NULL) +GPIO(PD_VBUS_N, A, 6, GPIO_ANALOG, NULL) +GPIO(PD_TX_EN, A, 15, GPIO_OUT_LOW, NULL) +GPIO(PD_TX_DATA, B, 4, GPIO_OUT_LOW, NULL) + +/* Power and muxes control */ +GPIO(PP20000_EN, A, 8, GPIO_OUT_LOW, NULL) +GPIO(PPVAR_VBUS_EN, B, 12, GPIO_OUT_LOW, NULL) +GPIO(SS_MUX_OE_L, B, 13, GPIO_OUT_HIGH, NULL) +GPIO(SS_MUX_SEL, B, 14, GPIO_OUT_LOW, NULL) + +/* Display Port/HDMI */ +GPIO(PD_SBU_ENABLE, A, 7, GPIO_OUT_LOW, NULL) + +/* Chip Resets */ +GPIO(BRIDGE_RESET_L, B, 0, GPIO_OUT_HIGH, NULL) +GPIO(SPLITTER_RESET_L, B, 1, GPIO_OUT_HIGH, NULL) +GPIO(HUB_RESET_L, B, 15, GPIO_OUT_HIGH, NULL) + + +/* + * I2C pins should be configured as inputs until I2C module is + * initialized. This will avoid driving the lines unintentionally. + */ +GPIO(MASTER_I2C_SCL, B, 6, GPIO_INPUT, NULL) +GPIO(MASTER_I2C_SDA, B, 7, GPIO_INPUT, NULL) + + +/* Test points */ +GPIO(TP6, A, 13, GPIO_OUT_HIGH /*GPIO_ODR_HIGH*/, NULL) +GPIO(TP7, A, 14, GPIO_OUT_LOW /*GPIO_ODR_HIGH*/, NULL) + +/* Unimplemented signals which we need to emulate for now */ +UNIMPLEMENTED(ENTERING_RW) +UNIMPLEMENTED(WP_L) + +ALTERNATE(B, 0x0018, 0, MODULE_USB_PD, 0) /* SPI1 SCK/MISO: PB3/PB4 */ +ALTERNATE(B, 0x0200, 2, MODULE_USB_PD, 0) /* TIM17_CH1: PB9 */ +ALTERNATE(A, 0x0600, 1, MODULE_UART, GPIO_PULL_UP) /* USART1: PA9/PA10 */ +ALTERNATE(A, 0x000C, 1, MODULE_UART, GPIO_PULL_UP) /* USART2: PA2/PA3 */ +ALTERNATE(B, 0x0C00, 4, MODULE_UART, GPIO_PULL_UP) /* USART3: PB10/PB11 */ +ALTERNATE(B, 0x00C0, 1, MODULE_I2C, 0) /* I2C MASTER: PB6/PB7 */ + |