src/mainboard/google/brya/variants/gothrax/gpio.c

   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2
   3 #include <baseboard/variants.h>
   4 #include <soc/gpio.h>
   5 #include <fw_config.h>
   6
   7 /* Pad configuration in ramstage */
   8 static const struct pad_config override_gpio_table[] = {
   9         /* A8  : WWAN_RF_DISABLE_ODL */
  10         PAD_CFG_GPO(GPP_A8, 1, DEEP),
  11         /* H23 : WWAN_SAR_DETECT_ODL */
  12         PAD_CFG_GPO(GPP_H23, 1, DEEP),
  13         /* H3  : WLAN_PCIE_WAKE_ODL */
  14         PAD_NC_LOCK(GPP_H3, NONE, LOCK_CONFIG),
  15         /* E13  : SRCCLKREQ1# ==> WWAN_EN */
  16         PAD_CFG_GPO_LOCK(GPP_E13, 1, LOCK_CONFIG),
  17         /* F12 : WWAN_RST_L */
  18         PAD_CFG_GPO_LOCK(GPP_F12, 1, LOCK_CONFIG),
  19
  20         /* A21 : GPP_A21 ==> USB_C1_AUX_DC_P */
  21         PAD_CFG_GPO(GPP_A21, 0, DEEP),
  22         /* A22 : GPP_A22 ==> USB_C1_AUX_DC_N */
  23         PAD_CFG_GPO(GPP_A22, 1, DEEP),
  24
  25         /* C1  : SMBDATA ==> TCHSCR_RST_L */
  26         PAD_CFG_GPO(GPP_C1, 1, DEEP),
  27
  28         /* D3  : WCAM_RST_L */
  29         PAD_NC_LOCK(GPP_D3, NONE, LOCK_CONFIG),
  30         /* D15 : EN_PP2800_WCAM_X */
  31         PAD_NC_LOCK(GPP_D15, NONE, LOCK_CONFIG),
  32         /* D16 : EN_PP1800_PP1200_WCAM_X */
  33         PAD_NC_LOCK(GPP_D16, NONE, LOCK_CONFIG),
  34
  35         /* H19 : SOC_I2C_SUB_INT_ODL */
  36         PAD_CFG_GPI_APIC(GPP_H19, NONE, PLTRST, LEVEL, NONE),
  37         /* H22 : WCAM_MCLK_R */
  38         PAD_NC(GPP_H22, NONE),
  39 };
  40
  41 /* Early pad configuration in bootblock */
  42 static const struct pad_config early_gpio_table[] = {
  43         /* F12 : GSXDOUT ==> WWAN_RST_L */
  44         PAD_CFG_GPO(GPP_F12, 0, DEEP),
  45         /* E13  : SRCCLKREQ1# ==> WWAN_EN */
  46         PAD_CFG_GPO(GPP_E13, 1, DEEP),
  47
  48         /* H12 : UART0_RTS# ==> SD_PERST_L */
  49         PAD_CFG_GPO(GPP_H12, 0, DEEP),
  50
  51         /* H20 : IMGCLKOUT1 ==> WLAN_PERST_L */
  52         PAD_CFG_GPO(GPP_H20, 0, DEEP),
  53         /* A13 : GPP_A13 ==> GSC_SOC_INT_ODL */
  54         PAD_CFG_GPI_APIC(GPP_A13, NONE, PLTRST, LEVEL, INVERT),
  55         /* E12 : THC0_SPI1_IO1 ==> SOC_WP_OD */
  56         PAD_CFG_GPI_GPIO_DRIVER(GPP_E12, NONE, DEEP),
  57         /* F18 : THC1_SPI2_INT# ==> EC_IN_RW_OD */
  58         PAD_CFG_GPI(GPP_F18, NONE, DEEP),
  59         /* H4  : I2C0_SDA ==> SOC_I2C_GSC_SDA */
  60         PAD_CFG_NF(GPP_H4, NONE, DEEP, NF1),
  61         /* H5  : I2C0_SCL ==> SOC_I2C_GSC_SCL */
  62         PAD_CFG_NF(GPP_H5, NONE, DEEP, NF1),
  63         /* H10 : UART0_RXD ==> UART_SOC_RX_DBG_TX */
  64         PAD_CFG_NF(GPP_H10, NONE, DEEP, NF2),
  65         /* H11 : UART0_TXD ==> UART_SOC_TX_DBG_RX */
  66         PAD_CFG_NF(GPP_H11, NONE, DEEP, NF2),
  67
  68         /* H13 : UART0_CTS# ==> EN_PP3300_SD_X */
  69         PAD_CFG_GPO(GPP_H13, 1, DEEP),
  70 };
  71
  72 static const struct pad_config romstage_gpio_table[] = {
  73         /* Enable touchscreen, hold in reset */
  74         /* C0  : SMBCLK ==> EN_PP3300_TCHSCR_X */
  75         PAD_CFG_GPO(GPP_C0, 1, DEEP),
  76         /* C1  : SMBDATA ==> TCHSCR_RST_L */
  77         PAD_CFG_GPO(GPP_C1, 0, DEEP),
  78         /* H12 : UART0_RTS# ==> SD_PERST_L */
  79         PAD_CFG_GPO(GPP_H12, 1, DEEP),
  80         /* H20 : IMGCLKOUT1 ==> WLAN_PERST_L */
  81         PAD_CFG_GPO(GPP_H20, 1, DEEP),
  82 };
  83
  84 static const struct pad_config romstage_gpio_table_nontp[] = {
  85         /* H12 : UART0_RTS# ==> SD_PERST_L */
  86         PAD_CFG_GPO(GPP_H12, 1, DEEP),
  87         /* H20 : IMGCLKOUT1 ==> WLAN_PERST_L */
  88         PAD_CFG_GPO(GPP_H20, 1, DEEP),
  89 };
  90
  91 const struct pad_config *variant_gpio_override_table(size_t *num)
  92 {
  93         *num = ARRAY_SIZE(override_gpio_table);
  94         return override_gpio_table;
  95 }
  96
  97 const struct pad_config *variant_early_gpio_table(size_t *num)
  98 {
  99         *num = ARRAY_SIZE(early_gpio_table);
 100         return early_gpio_table;
 101 }
 102
 103 const struct pad_config *variant_romstage_gpio_table(size_t *num)
 104 {
 105         if (fw_config_probe(FW_CONFIG(TOUCH_PANEL, TOUCH_PANEL_DISABLE))) {
 106                 *num = ARRAY_SIZE(romstage_gpio_table_nontp);
 107                 return romstage_gpio_table_nontp;
 108         } else {
 109                 *num = ARRAY_SIZE(romstage_gpio_table);
 110                 return romstage_gpio_table;
 111         }
 112 }