src/mainboard/google/dedede/variants/cret/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 override_gpio_table[] = {
  10         /* A10 : WWAN_EN */
  11         PAD_CFG_GPO(GPP_A10, 1, PWROK),
  12         /* C12 : AP_PEN_DET_ODL  ==> NC */
  13         PAD_NC(GPP_C12, UP_20K),
  14         /* C18 : AP_I2C_EMR_SDA */
  15         PAD_NC(GPP_C18, NONE),
  16         /* C19 : AP_I2C_EMR_SCL */
  17         PAD_NC(GPP_C19, NONE),
  18         /* C22 : UART2_RTS_N ==> NC */
  19         PAD_NC(GPP_C22, UP_20K),
  20         /* D0  : WWAN_HOST_WAKE ==> WWAN_WDISABLE_L */
  21         PAD_CFG_GPO(GPP_D0, 1, DEEP),
  22         /* D12 : WCAM_RST_L ==> NC */
  23         PAD_NC(GPP_D12, NONE),
  24         /* D14 : EN_PP1200_CAMERA ==> NC */
  25         PAD_NC(GPP_D14, NONE),
  26         /* D15 : UCAM_RST_L ==> NC */
  27         PAD_NC(GPP_D15, NONE),
  28         /* D19 : WWAN_WLAN_COEX1 ==> NC */
  29         PAD_NC(GPP_D19, NONE),
  30         /* D20 : WWAN_WLAN_COEX2 ==> NC */
  31         PAD_NC(GPP_D20, NONE),
  32         /* D21 : WWAN_WLAN_COEX3 ==> NC */
  33         PAD_NC(GPP_D21, NONE),
  34         /* E0  : CLK_24M_UCAM ==> NC */
  35         PAD_NC(GPP_E0, NONE),
  36         /* E2  : CLK_24M_WCAM ==> NC */
  37         PAD_NC(GPP_E2, NONE),
  38         /* H1  : EN_PP3300_SD_U ==> NC */
  39         PAD_NC(GPP_H1, NONE),
  40         /* H6  : AP_I2C_CAM_SDA ==> NC */
  41         PAD_NC(GPP_H6, NONE),
  42         /* H7  : AP_I2C_CAM_SCL ==> NC */
  43         PAD_NC(GPP_H7, NONE),
  44         /* H16 : AP_SUB_IO_L ==> HP_RST_ODL */
  45         PAD_CFG_GPO(GPP_H16, 1, PWROK),
  46         /* H17 : WWAN_RST_L */
  47         PAD_CFG_GPO(GPP_H17, 1, PLTRST),
  48         /* G0  : SD_CMD ==> NC */
  49         PAD_NC(GPP_G0, NONE),
  50         /* G1  : SD_DATA0 ==> NC */
  51         PAD_NC(GPP_G1, NONE),
  52         /* G2  : SD_DATA1 ==> NC */
  53         PAD_NC(GPP_G2, NONE),
  54         /* G3  : SD_DATA2 ==> NC */
  55         PAD_NC(GPP_G3, NONE),
  56         /* G4  : SD_DATA3 ==> NC */
  57         PAD_NC(GPP_G4, NONE),
  58         /* G5  : SD_CD_ODL ==> NC */
  59         PAD_NC(GPP_G5, UP_20K),
  60         /* G6  : SD_CLK ==> NC */
  61         PAD_NC(GPP_G6, NONE),
  62         /* G7  : SD_SDIO_WP ==> NC */
  63         PAD_NC(GPP_G7, NONE),
  64 };
  65
  66 static const struct pad_config lte_disable_pads[] = {
  67         PAD_NC(GPP_A10, NONE),
  68         PAD_NC(GPP_D0, NONE),
  69         PAD_NC(GPP_H17, NONE),
  70 };
  71
  72 static const struct pad_config codec_da7219_pads[] = {
  73         PAD_NC(GPP_H16, NONE),
  74 };
  75
  76 static const struct pad_config codec_cs42l42_pads[] = {
  77         PAD_NC(GPP_D18, NONE),
  78 };
  79
  80 const struct pad_config *variant_override_gpio_table(size_t *num)
  81 {
  82         *num = ARRAY_SIZE(override_gpio_table);
  83         return override_gpio_table;
  84 }
  85
  86 static void fw_config_handle(void *unused)
  87 {
  88         if (!fw_config_probe(FW_CONFIG(LTE, LTE_PRESENT)))
  89                 gpio_configure_pads(lte_disable_pads, ARRAY_SIZE(lte_disable_pads));
  90         if (fw_config_probe(FW_CONFIG(AUDIO_CODEC_SOURCE, AUDIO_CODEC_DA7219)))
  91                 gpio_configure_pads(codec_da7219_pads, ARRAY_SIZE(codec_da7219_pads));
  92         if (fw_config_probe(FW_CONFIG(AUDIO_CODEC_SOURCE, AUDIO_CODEC_CS42l42)))
  93                 gpio_configure_pads(codec_cs42l42_pads, ARRAY_SIZE(codec_cs42l42_pads));
  94 }
  95 BOOT_STATE_INIT_ENTRY(BS_DEV_ENABLE, BS_ON_ENTRY, fw_config_handle, NULL);