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 hdmi_disable_pads[] = {
   9         /* A20  : DDSP_HPD2 ==> NC */
  10         PAD_NC_LOCK(GPP_A20, NONE, LOCK_CONFIG),
  11         /* E20 : DDP2_CTRLCLK ==> NC */
  12         PAD_NC_LOCK(GPP_E20, NONE, LOCK_CONFIG),
  13         /* E21 : DDP2_CTRLDATA ==> NC */
  14         PAD_NC_LOCK(GPP_E21, NONE, LOCK_CONFIG),
  15 };
  16
  17 static const struct pad_config lte_disable_pads[] = {
  18         /* A8  : WWAN_RF_DISABLE_ODL */
  19         PAD_NC(GPP_A8, NONE),
  20         /* D6  : WWAN_EN */
  21         PAD_NC(GPP_D6, NONE),
  22         /* F12 : WWAN_RST_L */
  23         PAD_NC_LOCK(GPP_F12, NONE, LOCK_CONFIG),
  24         /* H19 : SOC_I2C_SUB_INT_ODL */
  25         PAD_NC(GPP_H19, NONE),
  26         /* H23 : WWAN_SAR_DETECT_ODL */
  27         PAD_NC(GPP_H23, NONE),
  28 };
  29
  30 static const struct pad_config stylus_disable_pads[] = {
  31         /* F13 : SOC_PEN_DETECT_R_ODL */
  32         PAD_NC_LOCK(GPP_F13, NONE, LOCK_CONFIG),
  33         /* F15 : SOC_PEN_DETECT_ODL */
  34         PAD_NC_LOCK(GPP_F15, NONE, LOCK_CONFIG),
  35 };
  36
  37 void fw_config_gpio_padbased_override(struct pad_config *padbased_table)
  38 {
  39         if (!fw_config_probe(FW_CONFIG(DB_USB, DB_HDMI_LTE))) {
  40                 printk(BIOS_INFO, "Disable HDMI GPIO pins.\n");
  41                 gpio_padbased_override(padbased_table, hdmi_disable_pads,
  42                                                 ARRAY_SIZE(hdmi_disable_pads));
  43         }
  44
  45         /* Set to Disable LTE-related GPIO pins when field DB_USB is not DB_1C_LTE and DB_HDMI_LTE. */
  46         if (!fw_config_probe(FW_CONFIG(DB_USB, DB_1C_LTE))
  47                 && !fw_config_probe(FW_CONFIG(DB_USB, DB_HDMI_LTE))) {
  48                 printk(BIOS_INFO, "Disable LTE GPIO pins.\n");
  49                 gpio_padbased_override(padbased_table, lte_disable_pads,
  50                                                 ARRAY_SIZE(lte_disable_pads));
  51         }
  52
  53         if (fw_config_probe(FW_CONFIG(STYLUS, STYLUS_ABSENT))) {
  54                 printk(BIOS_INFO, "Disable Stylus GPIO pins.\n");
  55                 gpio_padbased_override(padbased_table, stylus_disable_pads,
  56                                                 ARRAY_SIZE(stylus_disable_pads));
  57         }
  58 }