summaryrefslogtreecommitdiff
path: root/src/mainboard/google/brya/variants/gothrax/gpio.c
blob: 077c8506f7ac665e94b292cf59328430da77726d (plain)
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-or-later */

#include <baseboard/variants.h>
#include <soc/gpio.h>
#include <fw_config.h>

/* Pad configuration in ramstage */
static const struct pad_config override_gpio_table[] = {
	/* A8  : WWAN_RF_DISABLE_ODL */
	PAD_CFG_GPO(GPP_A8, 1, DEEP),
	/* H23 : WWAN_SAR_DETECT_ODL */
	PAD_CFG_GPO(GPP_H23, 1, DEEP),
	/* H3  : WLAN_PCIE_WAKE_ODL */
	PAD_NC_LOCK(GPP_H3, NONE, LOCK_CONFIG),
	/* E13  : SRCCLKREQ1# ==> WWAN_EN */
	PAD_CFG_GPO_LOCK(GPP_E13, 1, LOCK_CONFIG),
	/* F12 : WWAN_RST_L */
	PAD_CFG_GPO_LOCK(GPP_F12, 1, LOCK_CONFIG),

	/* A21 : GPP_A21 ==> USB_C1_AUX_DC_P */
	PAD_CFG_GPO(GPP_A21, 0, DEEP),
	/* A22 : GPP_A22 ==> USB_C1_AUX_DC_N */
	PAD_CFG_GPO(GPP_A22, 1, DEEP),

	/* C1  : SMBDATA ==> TCHSCR_RST_L */
	PAD_CFG_GPO(GPP_C1, 1, DEEP),

	/* D3  : WCAM_RST_L */
	PAD_NC_LOCK(GPP_D3, NONE, LOCK_CONFIG),
	/* D15 : EN_PP2800_WCAM_X */
	PAD_NC_LOCK(GPP_D15, NONE, LOCK_CONFIG),
	/* D16 : EN_PP1800_PP1200_WCAM_X */
	PAD_NC_LOCK(GPP_D16, NONE, LOCK_CONFIG),

	/* H19 : SOC_I2C_SUB_INT_ODL */
	PAD_CFG_GPI_APIC(GPP_H19, NONE, PLTRST, LEVEL, NONE),
	/* H22 : WCAM_MCLK_R */
	PAD_NC(GPP_H22, NONE),
};

/* Early pad configuration in bootblock */
static const struct pad_config early_gpio_table[] = {
	/* F12 : GSXDOUT ==> WWAN_RST_L */
	PAD_CFG_GPO(GPP_F12, 0, DEEP),
	/* E13  : SRCCLKREQ1# ==> WWAN_EN */
	PAD_CFG_GPO(GPP_E13, 1, DEEP),

	/* H12 : UART0_RTS# ==> SD_PERST_L */
	PAD_CFG_GPO(GPP_H12, 0, DEEP),

	/* H20 : IMGCLKOUT1 ==> WLAN_PERST_L */
	PAD_CFG_GPO(GPP_H20, 0, DEEP),
	/* A13 : GPP_A13 ==> GSC_SOC_INT_ODL */
	PAD_CFG_GPI_APIC(GPP_A13, NONE, PLTRST, LEVEL, INVERT),
	/* E12 : THC0_SPI1_IO1 ==> SOC_WP_OD */
	PAD_CFG_GPI_GPIO_DRIVER(GPP_E12, NONE, DEEP),
	/* F18 : THC1_SPI2_INT# ==> EC_IN_RW_OD */
	PAD_CFG_GPI(GPP_F18, NONE, DEEP),
	/* H4  : I2C0_SDA ==> SOC_I2C_GSC_SDA */
	PAD_CFG_NF(GPP_H4, NONE, DEEP, NF1),
	/* H5  : I2C0_SCL ==> SOC_I2C_GSC_SCL */
	PAD_CFG_NF(GPP_H5, NONE, DEEP, NF1),
	/* H10 : UART0_RXD ==> UART_SOC_RX_DBG_TX */
	PAD_CFG_NF(GPP_H10, NONE, DEEP, NF2),
	/* H11 : UART0_TXD ==> UART_SOC_TX_DBG_RX */
	PAD_CFG_NF(GPP_H11, NONE, DEEP, NF2),

	/* H13 : UART0_CTS# ==> EN_PP3300_SD_X */
	PAD_CFG_GPO(GPP_H13, 1, DEEP),
};

static const struct pad_config romstage_gpio_table[] = {
	/* Enable touchscreen, hold in reset */
	/* C0  : SMBCLK ==> EN_PP3300_TCHSCR_X */
	PAD_CFG_GPO(GPP_C0, 1, DEEP),
	/* C1  : SMBDATA ==> TCHSCR_RST_L */
	PAD_CFG_GPO(GPP_C1, 0, DEEP),
	/* H12 : UART0_RTS# ==> SD_PERST_L */
	PAD_CFG_GPO(GPP_H12, 1, DEEP),
	/* H20 : IMGCLKOUT1 ==> WLAN_PERST_L */
	PAD_CFG_GPO(GPP_H20, 1, DEEP),
};

static const struct pad_config romstage_gpio_table_nontp[] = {
	/* H12 : UART0_RTS# ==> SD_PERST_L */
	PAD_CFG_GPO(GPP_H12, 1, DEEP),
	/* H20 : IMGCLKOUT1 ==> WLAN_PERST_L */
	PAD_CFG_GPO(GPP_H20, 1, DEEP),
};

const struct pad_config *variant_gpio_override_table(size_t *num)
{
	*num = ARRAY_SIZE(override_gpio_table);
	return override_gpio_table;
}

const struct pad_config *variant_early_gpio_table(size_t *num)
{
	*num = ARRAY_SIZE(early_gpio_table);
	return early_gpio_table;
}

const struct pad_config *variant_romstage_gpio_table(size_t *num)
{
	if (fw_config_probe(FW_CONFIG(TOUCH_PANEL, TOUCH_PANEL_DISABLE))) {
		*num = ARRAY_SIZE(romstage_gpio_table_nontp);
		return romstage_gpio_table_nontp;
	} else {
		*num = ARRAY_SIZE(romstage_gpio_table);
		return romstage_gpio_table;
	}
}