diff options
Diffstat (limited to 'board/dibbi/gpio.inc')
-rw-r--r-- | board/dibbi/gpio.inc | 142 |
1 files changed, 142 insertions, 0 deletions
diff --git a/board/dibbi/gpio.inc b/board/dibbi/gpio.inc new file mode 100644 index 0000000000..a5c0c02a72 --- /dev/null +++ b/board/dibbi/gpio.inc @@ -0,0 +1,142 @@ +/* -*- mode:c -*- + * + * Copyright 2022 The ChromiumOS Authors + * 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. */ + +/* Power State interrupts */ +GPIO_INT(SLP_S4_L, PIN(I, 5), GPIO_INT_BOTH, power_signal_interrupt) +GPIO_INT(SLP_S3_L, PIN(H, 3), GPIO_INT_BOTH, baseboard_all_sys_pgood_interrupt) +GPIO_INT(SLP_S0_L, PIN(E, 4), GPIO_INT_BOTH, power_signal_interrupt) +GPIO_INT(SLP_SUS_L, PIN(G, 2), GPIO_INT_BOTH, power_signal_interrupt) +GPIO_INT(VCCIN_AUX_VID0, PIN(D, 0), GPIO_INT_BOTH, power_signal_interrupt) +GPIO_INT(RSMRST_PWRGD_L, PIN(E, 1), GPIO_INT_BOTH, power_signal_interrupt) +GPIO_INT(CPU_C10_GATE_L, PIN(G, 1), GPIO_INT_BOTH, power_signal_interrupt) +GPIO_INT(PG_DRAM_OD, PIN(D, 3), GPIO_INT_BOTH, baseboard_all_sys_pgood_interrupt) +GPIO_INT(PG_PP1050_ST_OD, PIN(L, 1), GPIO_INT_BOTH, power_signal_interrupt) +GPIO_INT(VCCIN_AUX_VID1, PIN(K, 1), GPIO_INT_BOTH, power_signal_interrupt) +GPIO_INT(PG_VCCIO_EXT_OD, PIN(D, 7), GPIO_INT_BOTH, baseboard_all_sys_pgood_interrupt) +GPIO_INT(ESPI_RESET_L, PIN(D, 2), GPIO_INT_FALLING | GPIO_SEL_1P8V, espi_reset_pin_asserted_interrupt) + +GPIO_INT(H1_EC_PWR_BTN_ODL, PIN(E, 2), GPIO_INT_BOTH | GPIO_PULL_UP, power_button_interrupt) +#ifdef CONFIG_LOW_POWER_IDLE +/* Used to wake up the EC from Deep Doze mode when writing to console */ +GPIO_INT(UART1_RX, PIN(B, 0), GPIO_INT_BOTH, uart_deepsleep_interrupt) /* UART_DBG_TX_EC_RX */ +#endif + +/* USB-C interrupts */ +GPIO_INT(USB_C0_CCSBU_OVP_ODL, PIN(K, 6), GPIO_INT_FALLING | GPIO_PULL_UP, c0_ccsbu_ovp_interrupt) /* Fault protection */ + +/* Other interrupts */ +GPIO_INT(EC_WP_OD, PIN(A, 6), GPIO_INT_BOTH, switch_interrupt) +/* Directly connected recovery button */ +GPIO_INT(EC_RECOVERY_BTN_ODL, PIN(K, 7), GPIO_INT_BOTH, button_interrupt) +/* Recovery button input from H1 */ +GPIO_INT(H1_EC_RECOVERY_BTN_ODL, PIN(K, 4), GPIO_INT_BOTH, button_interrupt) +GPIO_INT(BJ_ADP_PRESENT_L, PIN(A, 7), GPIO_INT_BOTH | GPIO_PULL_UP, adp_connect_interrupt) +GPIO_INT(USBC_ADP_PRESENT_L, PIN(K, 3), GPIO_INT_BOTH | GPIO_PULL_UP, usbc_connect_interrupt) + +/* Power sequence GPIOs */ +GPIO(EC_AP_RTCRST, PIN(K, 2), GPIO_OUT_LOW) +GPIO(EC_AP_PWR_BTN_ODL, PIN(B, 6), GPIO_ODR_HIGH) +GPIO(EC_AP_DPWROK, PIN(L, 7), GPIO_OUT_LOW) +GPIO(EC_AP_RSMRST_L, PIN(H, 0), GPIO_OUT_LOW) +GPIO(EC_AP_WAKE_ODL, PIN(D, 5), GPIO_ODR_HIGH) +GPIO(SYS_RST_ODL, PIN(D, 1), GPIO_ODR_HIGH) +GPIO(EC_AP_SYS_PWROK, PIN(F, 2), GPIO_OUT_LOW) +GPIO(PG_PP5000_U_OD, PIN(E, 3), GPIO_INPUT) +GPIO(EN_PP3300_A, PIN(C, 5), GPIO_OUT_LOW) +GPIO(EC_AP_PCH_PWROK_OD, PIN(D, 6), GPIO_ODR_LOW) +GPIO(EN_PP5000_U, PIN(K, 5), GPIO_OUT_LOW) +/* TODO(b:149775160) - Modify if needed if we ever use this signal. */ +GPIO(EN_VCCST, PIN(D, 4), GPIO_INPUT) +GPIO(EN_VCCIO_EXT, PIN(B, 2), GPIO_OUT_LOW) +GPIO(EC_PROCHOT_ODL, PIN(I, 1), GPIO_ODR_HIGH | GPIO_SEL_1P8V) +GPIO(EC_AP_VCCST_PWRGD_OD, PIN(E, 5), GPIO_ODR_LOW) +GPIO(ALL_SYS_PWRGD, PIN(B, 7), GPIO_OUT_LOW) +GPIO(EN_PPVAR_BJ_ADP_L, PIN(J, 0), GPIO_OUT_LOW) +GPIO(EN_PPVAR_USBC_ADP_L, PIN(J, 1), GPIO_OUT_LOW) +GPIO(EN_USB_C0_VBUS, PIN(I, 7), GPIO_OUT_LOW) +GPIO(USB_C0_VBUS_ILIM, PIN(I, 6), GPIO_OUT_LOW) + +/* Required for icelake chipset code, but implemented through other means for dedede */ +UNIMPLEMENTED(AC_PRESENT) +UNIMPLEMENTED(PG_EC_DSW_PWROK) +UNIMPLEMENTED(PG_EC_ALL_SYS_PWRGD) + +/* Required for dedede baseboard but not used in dibbi */ +UNIMPLEMENTED(USB_C0_INT_ODL) +UNIMPLEMENTED(EN_SLP_Z) + +/* I2C pins - Alternate function below configures I2C module on these pins */ +GPIO(EC_I2C_EEPROM_SCL, PIN(B, 3), GPIO_INPUT) +GPIO(EC_I2C_EEPROM_SDA, PIN(B, 4), GPIO_INPUT) +GPIO(EC_I2C_BATTERY_SCL, PIN(C, 1), GPIO_INPUT) +GPIO(EC_I2C_BATTERY_SDA, PIN(C, 2), GPIO_INPUT) +GPIO(EC_I2C_SENSOR_SCL, PIN(F, 6), GPIO_INPUT | GPIO_SEL_1P8V) +GPIO(EC_I2C_SENSOR_SDA, PIN(F, 7), GPIO_INPUT | GPIO_SEL_1P8V) +GPIO(EC_I2C_USB_C0_SCL, PIN(A, 4), GPIO_INPUT) +GPIO(EC_I2C_USB_C0_SDA, PIN(A, 5), GPIO_INPUT) + +/* USB pins */ +GPIO(EN_USB_C0_CC1_VCONN, PIN(H, 4), GPIO_OUT_LOW) +GPIO(EN_USB_C0_CC2_VCONN, PIN(H, 6), GPIO_OUT_LOW) +GPIO(EC_AP_USB_C0_HPD, PIN(L, 4), GPIO_OUT_LOW) +GPIO(EN_USB_A0_VBUS, PIN(L, 6), GPIO_OUT_LOW) +GPIO(EN_USB_A1_VBUS, PIN(C, 6), GPIO_OUT_LOW) +GPIO(EN_USB_A2_VBUS, PIN(C, 4), GPIO_OUT_LOW) + +/* MKBP event synchronization */ +/* TODO(b/257833880) Check whether this pin is needed */ +GPIO(EC_AP_MKBP_INT_L, PIN(L, 5), GPIO_ODR_HIGH) + +/* Misc pins which will run to the I/O board */ +GPIO(EC_SUB_IO_1_1, PIN(L, 3), GPIO_INPUT) +GPIO(EC_SUB_IO_1_2, PIN(F, 0), GPIO_INPUT) +GPIO(EC_SUB_IO_2_1, PIN(F, 1), GPIO_INPUT) +GPIO(EC_SUB_IO_2_2, PIN(L, 2), GPIO_INPUT) + +/* Misc */ +GPIO(EC_ENTERING_RW, PIN(G, 0), GPIO_OUT_LOW) +GPIO(CCD_MODE_ODL, PIN(H, 5), GPIO_ODR_HIGH) +GPIO(EC_BATTERY_PRES_ODL, PIN(I, 4), GPIO_INPUT) +GPIO(ECH1_PACKET_MODE, PIN(H, 1), GPIO_OUT_LOW) + + +/* NC pins, enable internal pull-down to avoid floating state. */ +GPIO(GPIOC0_NC, PIN(C, 0), GPIO_INPUT | GPIO_PULL_DOWN) +GPIO(GPIOC3_NC, PIN(C, 3), GPIO_INPUT | GPIO_PULL_DOWN) +GPIO(GPIOG3_NC, PIN(G, 3), GPIO_INPUT | GPIO_PULL_DOWN) +GPIO(GPIOG4_NC, PIN(G, 4), GPIO_INPUT | GPIO_PULL_DOWN) +GPIO(GPIOG5_NC, PIN(G, 5), GPIO_INPUT | GPIO_PULL_DOWN) +GPIO(GPIOG6_NC, PIN(G, 6), GPIO_INPUT | GPIO_PULL_DOWN) +GPIO(GPIOG7_NC, PIN(G, 7), GPIO_INPUT | GPIO_PULL_DOWN) +GPIO(GPIOJ4_NC, PIN(J, 4), GPIO_INPUT | GPIO_PULL_DOWN) +GPIO(GPIOJ5_NC, PIN(J, 5), GPIO_INPUT | GPIO_PULL_DOWN) +GPIO(GPIOJ6_NC, PIN(J, 6), GPIO_INPUT | GPIO_PULL_DOWN) +GPIO(GPIOK0_NC, PIN(K, 0), GPIO_INPUT | GPIO_PULL_DOWN) +GPIO(GPIOL0_NC, PIN(L, 0), GPIO_INPUT | GPIO_PULL_DOWN) +GPIO(GPIOM6_NC, PIN(M, 6), GPIO_INPUT | GPIO_PULL_DOWN) +/* TODO(b/257833880) add any new unused pins */ + +/* Alternate functions GPIO definitions */ +/* UART */ +ALTERNATE(PIN_MASK(B, BIT(0) | BIT(1)), 0, MODULE_UART, 0) /* UART for debug */ + +/* I2C */ +ALTERNATE(PIN_MASK(B, BIT(3) | BIT(4)), 0, MODULE_I2C, 0) /* I2C0 */ +ALTERNATE(PIN_MASK(C, BIT(1) | BIT(2)), 0, MODULE_I2C, 0) /* I2C1 */ +ALTERNATE(PIN_MASK(F, BIT(6) | BIT(7)), 0, MODULE_I2C, GPIO_SEL_1P8V) /* I2C2 - 1.8V */ +ALTERNATE(PIN_MASK(E, BIT(0) | BIT(7)), 0, MODULE_I2C, 0) /* I2C4 */ +ALTERNATE(PIN_MASK(A, BIT(4) | BIT(5)), 0, MODULE_I2C, 0) /* I2C5 */ + +/* ADC */ +ALTERNATE(PIN_MASK(I, BIT(0) | BIT(2) | BIT(3)), 0, MODULE_ADC, 0) /* ADC0: EC_VSNS_PP3300_A, ADC2: TEMP_SENSOR_1, ADC3: TEMP_SENSOR_2 */ +ALTERNATE(PIN_MASK(L, BIT(2) | BIT(3)), 0, MODULE_ADC, 0) /* ADC15: PPVAR_PWR_IN_IMON, ADC16: SNS_PPVAR_PWR_IN */ + +/* PWM */ +ALTERNATE(PIN_MASK(A, BIT(1) | BIT(2) | BIT(3)), 0, MODULE_PWM, 0) /* LED_[R,G,B]_ODL */ |