src/mainboard/google/brya/variants/glassway/fw_config.c

   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2
   3 #include <baseboard/gpio.h>
   4 #include <baseboard/variants.h>
   5 #include <console/console.h>
   6 #include <fw_config.h>
   7
   8 static const struct pad_config lte_disable_pads[] = {
   9         /* A8  : WWAN_RF_DISABLE_ODL */
  10         PAD_NC(GPP_A8, NONE),
  11         /* D6  : WWAN_EN */
  12         PAD_NC(GPP_D6, NONE),
  13         /* F12 : WWAN_RST_L */
  14         PAD_NC_LOCK(GPP_F12, NONE, LOCK_CONFIG),
  15         /* H19 : SOC_I2C_SUB_INT_ODL */
  16         PAD_NC(GPP_H19, NONE),
  17         /* H23 : WWAN_SAR_DETECT_ODL */
  18         PAD_NC(GPP_H23, NONE),
  19 };
  20
  21 static const struct pad_config stylus_disable_pads[] = {
  22         /* F13 : SOC_PEN_DETECT_R_ODL */
  23         PAD_NC_LOCK(GPP_F13, NONE, LOCK_CONFIG),
  24         /* F15 : SOC_PEN_DETECT_ODL */
  25         PAD_NC_LOCK(GPP_F15, NONE, LOCK_CONFIG),
  26 };
  27
  28 void fw_config_gpio_padbased_override(struct pad_config *padbased_table)
  29 {
  30         if (!fw_config_probe(FW_CONFIG(DB_USB, DB_1C_LTE))) {
  31                 printk(BIOS_INFO, "Disable LTE-related GPIO pins on Glassway serial projects.\n");
  32                 gpio_padbased_override(padbased_table, lte_disable_pads,
  33                                                 ARRAY_SIZE(lte_disable_pads));
  34         }
  35
  36         if (fw_config_probe(FW_CONFIG(STYLUS, STYLUS_ABSENT))) {
  37                 printk(BIOS_INFO, "Disable Stylus GPIO pins.\n");
  38                 gpio_padbased_override(padbased_table, stylus_disable_pads,
  39                                                 ARRAY_SIZE(stylus_disable_pads));
  40         }
  41 }