diff options
Diffstat (limited to 'board/baklava/gpio.inc')
| -rw-r--r-- | board/baklava/gpio.inc | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/board/baklava/gpio.inc b/board/baklava/gpio.inc new file mode 100644 index 0000000000..a1adf15c9f --- /dev/null +++ b/board/baklava/gpio.inc @@ -0,0 +1,97 @@ +/* -*- mode:c -*- + * + * Copyright 2021 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. + */ + +/* Declare symbolic names for all the GPIOs that we care about. + * Note: Those with interrupt handlers must be declared first. */ + +#ifdef SECTION_IS_RW +GPIO_INT(HOST_USBC_PPC_INT_ODL, PIN(D, 9), GPIO_INT_FALLING | GPIO_PULL_UP, ppc_interrupt) +GPIO_INT(USBC_DP_MUX_ALERT_ODL, PIN(B, 1), GPIO_INT_FALLING | GPIO_PULL_UP, tcpc_alert_event) +GPIO_INT(USBC_DP_PPC_INT_ODL, PIN(E, 7), GPIO_INT_FALLING | GPIO_PULL_UP, ppc_interrupt) +GPIO_INT(DDI_MST_IN_HPD, PIN(C, 14), GPIO_INT_BOTH, hpd_interrupt) +GPIO_INT(USBC_UF_MUX_VBUS_EN, PIN(C, 12), GPIO_INT_BOTH, board_uf_manage_vbus_interrupt) +GPIO_INT(PWR_BTN, PIN(A, 0), GPIO_INT_BOTH, board_pwr_btn_interrupt) +#endif + +/* Power sequencing signals */ +GPIO(EN_AC_JACK, PIN(A, 1), GPIO_OUT_LOW) +GPIO(EN_BB, PIN(A, 8), GPIO_OUT_LOW) +GPIO(EN_PP3300_B, PIN(B, 2), GPIO_OUT_LOW) +GPIO(EN_PP5000_A, PIN(C, 6), GPIO_OUT_LOW) +GPIO(EN_PP1200_A, PIN(E, 8), GPIO_OUT_LOW) +GPIO(EN_PP1100_A, PIN(C, 7), GPIO_OUT_LOW) +GPIO(EN_PP1050_A, PIN(A, 2), GPIO_OUT_LOW) +GPIO(EN_PP5000_C, PIN(D, 1), GPIO_OUT_LOW) +GPIO(EN_PP5000_HSPORT, PIN(D, 0), GPIO_OUT_LOW) + +/* MST Hub signals */ +GPIO(MST_LP_CTL_L, PIN(D, 10), GPIO_ODR_LOW) +GPIO(MST_RST_L, PIN(E, 14), GPIO_ODR_LOW) +GPIO(MST_HUB_LANE_SWITCH, PIN(C, 15), GPIO_OUT_HIGH) + +/* Display Demux signals */ +GPIO(DEMUX_DUAL_DP_MODE, PIN(B, 0), GPIO_OUT_LOW) +GPIO(DEMUX_DP_HDMI_MODE, PIN(E, 15), GPIO_OUT_LOW) +GPIO(DEMUX_DUAL_DP_RESET_N, PIN(E, 13), GPIO_ODR_LOW) +GPIO(DEMUX_DUAL_DP_PD_N, PIN(E, 12), GPIO_ODR_LOW) +GPIO(DEMUX_DP_HDMI_PD_N, PIN(B, 13), GPIO_ODR_LOW) + +/* USBC Mux and Demux Signals */ +GPIO(EN_DP_SINK, PIN(B, 14), GPIO_OUT_LOW) +GPIO(DP_SINK_RESET, PIN(B, 15), GPIO_OUT_LOW) +GPIO(USBC_DP_PD_RST_L, PIN(E, 9), GPIO_ODR_LOW) +GPIO(USBC_UF_RESET_L, PIN(D, 2), GPIO_ODR_LOW) + +/* USB Hubs signals */ +GPIO(EC_HUB2_RESET_L, PIN(C, 5), GPIO_ODR_LOW) +GPIO(EC_HUB3_RESET_L, PIN(B, 10), GPIO_ODR_LOW) + +/* USB-A Current limit switches, set default to 1.5A */ +GPIO(TP73, PIN(C, 0), GPIO_OUT_LOW) +GPIO(EC_DFU_MUX_CTRL, PIN(C, 3), GPIO_OUT_HIGH) +GPIO(EC_STATUS_LED1, PIN(C, 1), GPIO_OUT_HIGH) +GPIO(EC_STATUS_LED2, PIN(C, 2), GPIO_OUT_HIGH) +GPIO(USB3_A5_CDP_EN, PIN(B, 9), GPIO_OUT_LOW) +GPIO(USB3_A6_CDP_EN, PIN(C, 13), GPIO_OUT_LOW) +GPIO(TP41, PIN(B, 12), GPIO_OUT_LOW) + +/* Write protect */ +GPIO(EC_FLASH_WP_ODL, PIN(A, 3), GPIO_ODR_HIGH) +GPIO(EC_WP_L, PIN(E, 11), GPIO_INT_BOTH) + +/* UART Bus */ +GPIO(EC_UART_TX, PIN(C, 10), GPIO_INT_BOTH) +GPIO(EC_UART_RX, PIN(C, 11), GPIO_INT_BOTH) + +/* + * I2C SCL/SDA pins. These will normally be under control of the peripheral from + * alt fucntion setting below. But if a port gets wedged, the unwedge code uses + * these signals as regular GPIOs. + */ +GPIO(EC_I2C1_SCL, PIN(A, 15), GPIO_ODR_HIGH) +GPIO(EC_I2C1_SDA, PIN(B, 7), GPIO_ODR_HIGH) +GPIO(EC_I2C3_SCL, PIN(C, 8), GPIO_ODR_HIGH) +GPIO(EC_I2C3_SDA, PIN(C, 9), GPIO_ODR_HIGH) + +/* misc signals */ +GPIO(BOOT0, PIN(B, 8), GPIO_INPUT) + +/* Unimplemented signals since we are not an EC */ +UNIMPLEMENTED(ENTERING_RW) + +/* USART3_TX/RX GPIOC 10-11*/ +ALTERNATE(PIN_MASK(C, 0x0C00), 7, MODULE_UART, GPIO_PULL_UP) +/* I2C Ports + * I2C1: SDA/SCL -> PB7/PA15 + * I2C2: SDA/SCL -> PA8/PA9 + * I2C3: SDA/SCL -> PC8/PC9 + */ +ALTERNATE(PIN_MASK(B, 0x0080), 4, MODULE_I2C, GPIO_OPEN_DRAIN) +ALTERNATE(PIN_MASK(A, 0X8000), 4, MODULE_I2C, GPIO_OPEN_DRAIN) +ALTERNATE(PIN_MASK(C, 0x0300), 8, MODULE_I2C, GPIO_OPEN_DRAIN) +/* GPIOA4-7: SPI Signals */ +ALTERNATE(PIN_MASK(A, 0x00F0), 5, MODULE_SPI, 0) |