diff options
Diffstat (limited to 'board/ryu_sh/gpio.inc')
| -rw-r--r-- | board/ryu_sh/gpio.inc | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/board/ryu_sh/gpio.inc b/board/ryu_sh/gpio.inc new file mode 100644 index 0000000000..f2adefb4b5 --- /dev/null +++ b/board/ryu_sh/gpio.inc @@ -0,0 +1,45 @@ +/* -*- mode:c -*- + * + * Copyright (c) 2014 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. + */ + +/* Interrupts */ +/* + * TODO(gwendal): Follow Rambus work. + * Combined accelerometer input. This will become an interrupt, once we have + * support for it. + */ +GPIO(ACC_IRQ, B, 12, GPIO_INPUT, NULL) + +/* Outputs */ +GPIO(SH_EC_SIGNAL, A, 7, GPIO_OUT_LOW, NULL) +GPIO(SH_IRQ_L, A, 11, GPIO_OUT_LOW, NULL) + +/* Inputs */ +GPIO(COMPASS_DRDY, B, 11, GPIO_INPUT, NULL) +GPIO(AP_IN_SUSPEND, B, 15, GPIO_INPUT, NULL) + +#if 0 +/* Alternate functions */ +GPIO(UART_TX, A, 2, GPIO_OUT_LOW, NULL) +GPIO(UART_RX, A, 3, GPIO_OUT_LOW, NULL) +#endif + +/* Needed to bypass flash write protection */ +UNIMPLEMENTED(ENTERING_RW) +UNIMPLEMENTED(WP_L) + +/* + * I2C pins should be configured as inputs until I2C module is + * initialized. This will avoid driving the lines unintentionally. + */ +GPIO(SLAVE_I2C_SCL, B, 6, GPIO_INPUT, NULL) +GPIO(SLAVE_I2C_SDA, B, 7, GPIO_INPUT, NULL) +GPIO(MASTER_I2C_SCL, B, 13, GPIO_INPUT, NULL) +GPIO(MASTER_I2C_SDA, B, 14, GPIO_INPUT, NULL) + +ALTERNATE(A, 0x000C, 1, MODULE_UART, 0) /* USART2: PA2/PA3 */ +ALTERNATE(B, 0x00C0, 1, MODULE_I2C, 0) /* I2C SLAVE:PB6/7 */ +ALTERNATE(B, 0x6000, 5, MODULE_I2C, 0) /* I2C MASTER:PB13/14 */ |