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
|
/* SPDX-License-Identifier: GPL-2.0-only */
#include <baseboard/gpio.h>
#include <baseboard/variants.h>
#include <boardid.h>
#include <gpio.h>
#include <ec/google/chromeec/ec.h>
#define SKU_UNKNOWN 0xFFFFFFFF
static const struct pad_config default_override_table[] = {
PAD_NC(GPIO_52, UP_20K),
PAD_NC(GPIO_53, UP_20K),
PAD_NC(GPIO_67, UP_20K),
PAD_NC(GPIO_117, UP_20K),
PAD_CFG_GPI_APIC_IOS(GPIO_137, NONE, DEEP, LEVEL, INVERT, HIZCRx1,
DISPUPD),
PAD_NC(GPIO_143, UP_20K),
/* EN_PP3300_TOUCHSCREEN */
PAD_CFG_GPO_IOSSTATE_IOSTERM(GPIO_146, 1, DEEP, NONE, Tx0RxDCRx0, DISPUPD),
/* GPIO_105 -- TOUCHSCREEN_RST */
PAD_CFG_GPO_IOSSTATE_IOSTERM(GPIO_105, 0, DEEP, NONE, Tx1RxDCRx0, DISPUPD),
/* GPIO_140 -- PEN_RESET */
PAD_CFG_GPO_IOSSTATE_IOSTERM(GPIO_140, 0, DEEP, NONE, Tx1RxDCRx0, DISPUPD),
PAD_NC(GPIO_161, DN_20K),
PAD_NC(GPIO_213, DN_20K),
PAD_NC(GPIO_214, DN_20K),
};
static const struct pad_config sku1_default_override_table[] = {
/* disable I2C7 SCL and SDA */
PAD_NC(GPIO_114, UP_20K), /* LPSS_I2C7_SDA */
PAD_NC(GPIO_115, UP_20K), /* LPSS_I2C7_SCL */
PAD_NC(GPIO_52, UP_20K),
PAD_NC(GPIO_53, UP_20K),
PAD_NC(GPIO_67, UP_20K),
PAD_NC(GPIO_117, UP_20K),
PAD_CFG_GPI_APIC_IOS(GPIO_137, NONE, DEEP, LEVEL, INVERT, HIZCRx1,
DISPUPD),
PAD_NC(GPIO_143, UP_20K),
/* EN_PP3300_TOUCHSCREEN */
PAD_CFG_GPO_IOSSTATE_IOSTERM(GPIO_146, 0, DEEP, NONE, Tx0RxDCRx0,
DISPUPD),
PAD_NC(GPIO_161, DN_20K),
/* EN_PP3300_WLAN_L */
PAD_CFG_GPO_IOSSTATE_IOSTERM(GPIO_178, 0, DEEP, NONE, Tx0RxDCRx0,
DISPUPD),
PAD_NC(GPIO_213, DN_20K),
PAD_NC(GPIO_214, DN_20K),
};
bool no_touchscreen_sku(uint32_t sku_id)
{
if ((sku_id == 1) || (sku_id == 6))
return true;
else
return false;
}
const struct pad_config *variant_override_gpio_table(size_t *num)
{
const struct pad_config *c;
uint32_t sku_id = SKU_UNKNOWN;
google_chromeec_cbi_get_sku_id(&sku_id);
if (no_touchscreen_sku(sku_id)) {
c = sku1_default_override_table;
*num = ARRAY_SIZE(sku1_default_override_table);
} else {
c = default_override_table;
*num = ARRAY_SIZE(default_override_table);
}
return c;
}
/* Touchscreen GPIOs needed to be set in romstage. */
static const struct pad_config romstage_touch_gpio_table[] = {
/* Enable touchscreen, hold in reset */
/* EN_PP3300_TOUCHSCREEN */
PAD_CFG_GPO_IOSSTATE_IOSTERM(GPIO_146, 1, DEEP, NONE, Tx0RxDCRx0, DISPUPD),
/* GPIO_105 -- TOUCHSCREEN_RST */
PAD_CFG_GPO_IOSSTATE_IOSTERM(GPIO_105, 1, DEEP, NONE, Tx1RxDCRx0, DISPUPD),
/* GPIO_140 -- PEN_RESET */
PAD_CFG_GPO_IOSSTATE_IOSTERM(GPIO_140, 1, DEEP, NONE, Tx1RxDCRx0, DISPUPD),
};
const struct pad_config *variant_romstage_gpio_table(size_t *num)
{
const struct pad_config *c;
uint32_t sku_id = SKU_UNKNOWN;
google_chromeec_cbi_get_sku_id(&sku_id);
if (no_touchscreen_sku(sku_id)) {
c = NULL;
*num = 0;
} else {
c = romstage_touch_gpio_table;
*num = ARRAY_SIZE(romstage_touch_gpio_table);
}
return c;
}
|
