src/mainboard/intel/adlrvp/fw_config.c

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2
   3 #include <bootstate.h>
   4 #include <console/console.h>
   5 #include <fw_config.h>
   6 #include <gpio.h>
   7
   8 static const struct pad_config i2s_enable_pads[] = {
   9         /* Audio Codec INT N */
  10         PAD_CFG_GPI_APIC(GPP_H3, NONE, PLTRST, EDGE_BOTH, INVERT),
  11
  12         /* I2S0_SCLK */
  13         PAD_CFG_NF(GPP_R0, NONE, DEEP, NF2),
  14         /* I2S0_SFRM */
  15         PAD_CFG_NF(GPP_R1, NONE, DEEP, NF2),
  16         /* I2S0_TXD */
  17         PAD_CFG_NF(GPP_R2, NONE, DEEP, NF2),
  18         /* I2S0_RXD */
  19         PAD_CFG_NF(GPP_R3, NONE, DEEP, NF2),
  20
  21         /* I2S2_SCLK */
  22         PAD_CFG_NF(GPP_R4, NONE, DEEP, NF2),
  23         /* I2S2_SFRM */
  24         PAD_CFG_NF(GPP_R5, NONE, DEEP, NF2),
  25         /* I2S2_TXD */
  26         PAD_CFG_NF(GPP_R6, NONE, DEEP, NF2),
  27         /* I2S2_RXD */
  28         PAD_CFG_NF(GPP_R7, NONE, DEEP, NF2),
  29
  30         /* I2S_MCLK1_OUT */
  31         PAD_CFG_NF(GPP_D19, NONE, DEEP, NF1),
  32 };
  33
  34 static void fw_config_handle(void *unused)
  35 {
  36         if (fw_config_probe(FW_CONFIG(AUDIO, ADL_MAX98373_ALC5682I_I2S))) {
  37                 printk(BIOS_INFO, "Configure GPIOs for I2S audio.\n");
  38                 gpio_configure_pads(i2s_enable_pads, ARRAY_SIZE(i2s_enable_pads));
  39         }
  40 }
  41 BOOT_STATE_INIT_ENTRY(BS_DEV_ENABLE, BS_ON_ENTRY, fw_config_handle, NULL);