src/mainboard/google/dedede/variants/cappy2/gpio.c

   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2
   3 #include <baseboard/gpio.h>
   4 #include <baseboard/variants.h>
   5 #include <bootstate.h>
   6 #include <fw_config.h>
   7
   8 /* Pad configuration in ramstage */
   9 static const struct pad_config gpio_table[] = {
  10         /* D5  : TOUCH_RESET_L */
  11         PAD_NC(GPP_D5, NONE),
  12         /* D6  : EN_PP3300_TOUCH_S0 */
  13         PAD_NC(GPP_D6, NONE),
  14         /* D15 : EN_PP3300_CAMERA */
  15         PAD_CFG_GPO(GPP_D15, 1, PLTRST),
  16         /* H16 : AP_SUB_IO_L ==> HP_RST_ODL */
  17         PAD_CFG_GPO(GPP_H16, 1, PWROK),
  18 };
  19
  20 const struct pad_config *variant_override_gpio_table(size_t *num)
  21 {
  22         *num = ARRAY_SIZE(gpio_table);
  23         return gpio_table;
  24 }
  25
  26 static const struct pad_config codec_rt5682_pads[] = {
  27         PAD_NC(GPP_H16, NONE),
  28 };
  29
  30 static const struct pad_config codec_cs42l42_pads[] = {
  31         PAD_NC(GPP_D18, NONE),
  32 };
  33
  34 static const struct pad_config romstage_gpio_table[] = {
  35         /* no touchscreen present */
  36         /* D5  : TOUCH_RESET_L */
  37         PAD_NC(GPP_D5, NONE),
  38         /* D6  : EN_PP3300_TOUCH_S0 */
  39         PAD_NC(GPP_D6, NONE),
  40 };
  41
  42 const struct pad_config *__weak variant_romstage_gpio_table(size_t *num)
  43 {
  44         *num = ARRAY_SIZE(romstage_gpio_table);
  45         return romstage_gpio_table;
  46 }
  47
  48 static void fw_config_handle(void *unused)
  49 {
  50         if (fw_config_probe(FW_CONFIG(AUDIO_CODEC_SOURCE, AUDIO_CODEC_ALC5682)))
  51                 gpio_configure_pads(codec_rt5682_pads, ARRAY_SIZE(codec_rt5682_pads));
  52         if (fw_config_probe(FW_CONFIG(AUDIO_CODEC_SOURCE, AUDIO_CODEC_CS42l42)))
  53                 gpio_configure_pads(codec_cs42l42_pads, ARRAY_SIZE(codec_cs42l42_pads));
  54 }
  55
  56 BOOT_STATE_INIT_ENTRY(BS_DEV_ENABLE, BS_ON_ENTRY, fw_config_handle, NULL);