1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
|
/* -*- mode:c -*-
*
* Copyright 2019 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. */
/* Wake Source interrupts */
GPIO_INT(EC_LID_OPEN, PIN(D, 2), GPIO_INT_BOTH | GPIO_HIB_WAKE_HIGH, lid_interrupt)
GPIO_INT(EC_WP_L, PIN(A, 1), GPIO_INT_BOTH, switch_interrupt)
GPIO_INT(H1_EC_PWR_BTN_ODL, PIN(0, 1), GPIO_INT_BOTH, power_button_interrupt)
GPIO_INT(ACOK_OD, PIN(0, 0), GPIO_INT_BOTH | GPIO_HIB_WAKE_HIGH, extpower_interrupt)
/* Optional power sequencing interrupts */
#ifdef VOLTEER_POWER_SEQUENCE
GPIO_INT(CPU_C10_GATE_L, PIN(6, 7), GPIO_INT_BOTH, c10_gate_change)
#endif
/* Power sequencing interrupts */
GPIO_INT(SLP_S0_L, PIN(D, 5), GPIO_INT_BOTH, power_signal_interrupt)
#ifndef CONFIG_HOSTCMD_ESPI_VW_SLP_S3
GPIO_INT(SLP_S3_L, PIN(A, 5), GPIO_INT_BOTH, power_signal_interrupt)
#endif
GPIO_INT(SLP_SUS_L, PIN(D, 7), GPIO_INT_BOTH, power_signal_interrupt)
GPIO_INT(PG_EC_RSMRST_ODL, PIN(E, 2), GPIO_INT_BOTH, power_signal_interrupt)
GPIO_INT(DSW_PWROK, PIN(C, 7), GPIO_INT_BOTH, power_signal_interrupt)
GPIO_INT(PG_EC_ALL_SYS_PWRGD, PIN(F, 4), GPIO_INT_BOTH, power_signal_interrupt)
/* Sensor Interrupts */
/* USB-C interrupts */
GPIO_INT(USB_C0_TCPC_INT_ODL, PIN(E, 0), GPIO_INT_BOTH, tcpc_alert_event)
GPIO_INT(USB_C0_PPC_INT_ODL, PIN(6, 2), GPIO_INT_BOTH, ppc_interrupt)
/* HDMI interrupts */
/* Volume button interrupts */
/* Power Sequencing Signals */
GPIO(EN_PP3300_A, PIN(A, 3), GPIO_OUT_LOW)
GPIO(EN_PP5000_A, PIN(A, 4), GPIO_OUT_LOW)
/* The EC does not buffer this signal on Volteer. */
UNIMPLEMENTED(PCH_DSW_PWROK)
#ifdef VOLTEER_POWER_SEQUENCE
/* Optional power sequencing signals that are not stuffed by default */
GPIO(EN_DRAM_VDDQ, PIN(F, 2), GPIO_OUT_LOW)
GPIO(EN_PP1050_STG, PIN(C, 0), GPIO_OUT_LOW)
GPIO(EN_PP5000_USB_AG, PIN(A, 7), GPIO_OUT_LOW)
GPIO(EN_PP1800_A, PIN(8, 3), GPIO_OUT_LOW)
GPIO(EN_PPVAR_VCCIN_AUX, PIN(8, 1), GPIO_OUT_LOW)
GPIO(EN_PP1050_ST_S0, PIN(3, 4), GPIO_OUT_LOW)
GPIO(EN_VNN_BYPASS, PIN(B, 0), GPIO_OUT_LOW)
GPIO(EN_PP1050_BYPASS, PIN(9, 7), GPIO_OUT_LOW)
GPIO(EN_DRAM_VDD1, PIN(9, 6), GPIO_OUT_LOW)
#endif
/* Other wake sources */
/*
* GPIO_INT_BOTH is required for PSL wake from hibernate, but we don't need an
* interrupt handler because it is automatically handled by the PSL.
*
* We need to lock the setting so this gpio can't be reconfigured to overdrive
* the real reset signal. (This is the PSL input pin not the real reset pin).
*/
GPIO(EC_RST_ODL, PIN(0, 2), GPIO_INT_BOTH |
GPIO_HIB_WAKE_HIGH |
GPIO_LOCKED)
/* AP/PCH Signals */
GPIO(EC_PCH_SYS_PWROK, PIN(3, 7), GPIO_OUT_LOW)
GPIO(EC_PCH_RSMRST_ODL, PIN(A, 6), GPIO_ODR_HIGH) /* TODO - b/140950085 - implement TGL sequencing requirement */
GPIO(EC_PCH_PWR_BTN_ODL, PIN(C, 1), GPIO_ODR_HIGH)
GPIO(EC_PCH_RTCRST, PIN(7, 6), GPIO_OUT_LOW)
GPIO(EC_PCH_WAKE_ODL, PIN(7, 4), GPIO_ODR_HIGH)
GPIO(EC_ENTERING_RW, PIN(E, 3), GPIO_OUT_LOW)
GPIO(EC_PROCHOT_ODL, PIN(6, 3), GPIO_ODR_HIGH)
GPIO(SYS_RST_ODL, PIN(C, 5), GPIO_ODR_HIGH)
GPIO(EC_PCH_INT_ODL, PIN(D, 6), GPIO_ODR_HIGH) /* TODO - b/140557015 - implement with MKBD sensor events */
/* USB and USBC Signals */
GPIO(EN_PP3300_AG, PIN(8, 5), GPIO_OUT_LOW)
/* Misc Signals */
/* This selects between an LED module on the motherboard and one on the daughter
* board, to be controlled by LED{1,2,3}. Select the one on the motherboard by
* default. */
GPIO(LED_SIDESEL_4_L, PIN(6, 0), GPIO_OUT_LOW)
GPIO(EN_PP5000_FAN, PIN(6, 1), GPIO_OUT_LOW)
/*
* eDP backlight - both PCH and EC have enable pins that must be high
* for the backlight to turn on. Default state is high, and can be turned
* off during sleep states.
*/
GPIO(EC_EDP_BL_EN, PIN(D, 3), GPIO_OUT_HIGH)
/* I2C pins - Alternate function below configures I2C module on these pins */
GPIO(EC_I2C0_SENSOR_SCL, PIN(B, 5), GPIO_INPUT | GPIO_SEL_1P8V)
GPIO(EC_I2C0_SENSOR_SDA, PIN(B, 4), GPIO_INPUT | GPIO_SEL_1P8V)
GPIO(EC_I2C1_USB_C0_SCL, PIN(9, 0), GPIO_INPUT)
GPIO(EC_I2C1_USB_C0_SDA, PIN(8, 7), GPIO_INPUT)
GPIO(EC_I2C2_USB_C1_SCL, PIN(9, 2), GPIO_INPUT)
GPIO(EC_I2C2_USB_C1_SDA, PIN(9, 1), GPIO_INPUT)
GPIO(EC_I2C3_USB_1_MIX_SCL, PIN(D, 1), GPIO_INPUT)
GPIO(EC_I2C3_USB_1_MIX_SDA, PIN(D, 0), GPIO_INPUT)
GPIO(EC_I2C5_POWER_SCL, PIN(3, 3), GPIO_INPUT)
GPIO(EC_I2C5_POWER_SDA, PIN(3, 6), GPIO_INPUT)
GPIO(EC_I2C7_EEPROM_SCL, PIN(B, 3), GPIO_INPUT)
GPIO(EC_I2C7_EEPROM_SDA, PIN(B, 2), GPIO_INPUT)
/* Battery signals */
GPIO(EC_BATT_PRES_ODL, PIN(E, 1), GPIO_INPUT)
/* Physical HPD pins are not needed on EC as these are configured by PMC */
GPIO(USB_C0_DP_HPD, PIN(F, 3), GPIO_INPUT)
GPIO(USB_C1_DP_HPD, PIN(7, 0), GPIO_INPUT)
/* Alternate functions GPIO definitions */
ALTERNATE(PIN_MASK(B, BIT(5) | BIT(4)), 0, MODULE_I2C, (GPIO_INPUT | GPIO_SEL_1P8V)) /* I2C0 */
ALTERNATE(PIN_MASK(9, BIT(0) | BIT(2) | BIT(1)), 0, MODULE_I2C, 0) /* I2C1 SCL / I2C2 */
ALTERNATE(PIN_MASK(8, BIT(7)), 0, MODULE_I2C, 0) /* I2C1 SDA */
ALTERNATE(PIN_MASK(D, BIT(1) | BIT(0)), 0, MODULE_I2C, 0) /* I2C3 */
ALTERNATE(PIN_MASK(3, BIT(3) | BIT(6)), 0, MODULE_I2C, 0) /* I2C5 */
ALTERNATE(PIN_MASK(B, BIT(3) | BIT(2)), 0, MODULE_I2C, 0) /* I2C7 */
ALTERNATE(PIN_MASK(C, BIT(2) | BIT(3) | BIT(4)), 0, MODULE_PWM, 0) /* LED{3,2,1}_L */
/* Keyboard pins */
#define GPIO_KB_INPUT (GPIO_INPUT | GPIO_PULL_UP)
ALTERNATE(PIN_MASK(3, 0x03), 0, MODULE_KEYBOARD_SCAN, GPIO_KB_INPUT) /* KSI_00-01 */
ALTERNATE(PIN_MASK(2, 0xFC), 0, MODULE_KEYBOARD_SCAN, GPIO_KB_INPUT) /* KSI_02-07 */
ALTERNATE(PIN_MASK(2, 0x03), 0, MODULE_KEYBOARD_SCAN, GPIO_ODR_HIGH) /* KSO_00-01 */
GPIO(EC_KSO_02_INV, PIN(1, 7), GPIO_OUT_LOW) /* KSO_02 */
ALTERNATE(PIN_MASK(1, 0x7F), 0, MODULE_KEYBOARD_SCAN, GPIO_ODR_HIGH) /* KSO_03-09 */
ALTERNATE(PIN_MASK(0, 0xF0), 0, MODULE_KEYBOARD_SCAN, GPIO_ODR_HIGH) /* KSO_10-13 */
ALTERNATE(PIN_MASK(8, 0x04), 0, MODULE_KEYBOARD_SCAN, GPIO_ODR_HIGH) /* KSO_14 */
/* UART */
ALTERNATE(PIN_MASK(6, BIT(5) | BIT(4)), 0, MODULE_UART, 0) /* UART from EC to Servo */
/* Power Switch Logic (PSL) inputs */
ALTERNATE(PIN_MASK(D, BIT(2)), 0, MODULE_PMU, 0) /* GPIOD2 = EC_LID_OPEN */
ALTERNATE(PIN_MASK(0, BIT(0) | BIT(1) | BIT(2)), 0, MODULE_PMU, 0) /* GPIO00 = ACOK_OD,
GPIO01 = H1_EC_PWR_BTN_ODL
GPIO02 = EC_RST_ODL */
|
