diff options
Diffstat (limited to 'board/servo_micro/gpio.inc')
| -rw-r--r-- | board/servo_micro/gpio.inc | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/board/servo_micro/gpio.inc b/board/servo_micro/gpio.inc new file mode 100644 index 0000000000..cca65d857d --- /dev/null +++ b/board/servo_micro/gpio.inc @@ -0,0 +1,60 @@ +/* -*- mode:c -*- + * + * Copyright 2016 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. + */ + +/* Outputs */ +GPIO(UART1_EN_L, PIN(A, 8), GPIO_OUT_HIGH) +GPIO(SERVO_JTAG_TRST_L, PIN(A, 13), GPIO_OUT_LOW) +GPIO(SPI1_BUF_EN_L, PIN(A, 14), GPIO_OUT_HIGH) +GPIO(SPI2_BUF_EN_L, PIN(A, 15), GPIO_OUT_HIGH) + +GPIO(UART2_EN_L, PIN(B, 0), GPIO_OUT_HIGH) +GPIO(SPI1_VREF_33, PIN(B, 2), GPIO_OUT_LOW) +GPIO(SPI1_VREF_18, PIN(B, 3), GPIO_OUT_LOW) +GPIO(SPI2_VREF_33, PIN(B, 4), GPIO_OUT_LOW) +GPIO(SPI2_VREF_18, PIN(B, 5), GPIO_OUT_LOW) +GPIO(SERVO_JTAG_TRST_DIR, PIN(B, 6), GPIO_OUT_HIGH) +GPIO(SERVO_JTAG_TDI_DIR, PIN(B, 7), GPIO_OUT_HIGH) + +GPIO(TCA6416_RESET_L, PIN(C, 13), GPIO_OUT_LOW) +GPIO(SERVO_JTAG_TMS_DIR, PIN(C, 14), GPIO_OUT_LOW) +GPIO(SERVO_JTAG_TDO_SEL, PIN(C, 15), GPIO_OUT_LOW) + +/* Inputs */ +GPIO(SERVO_JTAG_TMS, PIN(A, 4), GPIO_INPUT) +GPIO(SERVO_JTAG_TCK, PIN(A, 5), GPIO_INPUT) +GPIO(SERVO_JTAG_MUX_TDO, PIN(A, 6), GPIO_INPUT) +GPIO(SERVO_JTAG_TDI, PIN(A, 7), GPIO_INPUT) + +GPIO(SERVO_JTAG_RTCK, PIN(B, 1), GPIO_INPUT) + +/* Flash SPI interface */ +GPIO(SPI_CS, PIN(B, 12), GPIO_OUT_HIGH) +GPIO(SPI_CLK, PIN(B, 13), GPIO_INPUT) +GPIO(SPI_MISO, PIN(B, 14), GPIO_INPUT) +GPIO(SPI_MOSI, PIN(B, 15), GPIO_INPUT) + +/* I2C pins should be configured as inputs until I2C module is */ +/* initialized. This will avoid driving the lines unintentionally.*/ +GPIO(MASTER_I2C_SCL, PIN(B, 8), GPIO_INPUT) +GPIO(MASTER_I2C_SDA, PIN(B, 9), GPIO_INPUT) + +/* Unimplemented signals since we are not an EC */ +UNIMPLEMENTED(ENTERING_RW) +UNIMPLEMENTED(WP_L) + +ALTERNATE(PIN_MASK(A, 0x0600), 1, MODULE_UART, 0) /* USART1: PA09/PA10 - Servo stm32 console UART*/ +ALTERNATE(PIN_MASK(A, 0x000C), 1, MODULE_USART, 0) /* USART2: PA2/PA3 - Servo UART1 */ +ALTERNATE(PIN_MASK(B, 0x0C00), 4, MODULE_USART, 0) /* USART3: PB10/PB11 - Servo UART2 */ +/* Servo UART3 (USART4) is broken on servo micro rev. 1 */ +// ALTERNATE(PIN_MASK(A, 0x0003), 4, MODULE_USART, 0) /* USART4: PA0/PA1 - Servo UART3 */ +/* Expose Servo UART3 as GPIOs for debugging. */ +GPIO(UART3_TX, PIN(A, 0), GPIO_INPUT) +GPIO(UART3_RX, PIN(A, 1), GPIO_INPUT) + +ALTERNATE(PIN_MASK(B, 0x0300), 1, MODULE_I2C, 0) /* I2C MASTER:PB8/9 GPIO_ODR_HIGH */ + +ALTERNATE(PIN_MASK(B, 0xE000), 0, MODULE_SPI_FLASH, 0) /* SPI: PB15 - PB12 MOSI, MISO, CLK, CS */ |