src/mainboard/google/octopus/variants/dood/gpio.c

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2
   3 #include <baseboard/gpio.h>
   4 #include <baseboard/variants.h>
   5 #include <gpio.h>
   6 #include <ec/google/chromeec/ec.h>
   7
   8 enum {
   9         SKU_1_LTE  = 1, /* Wifi + LTE */
  10         SKU_2_WIFI = 2, /* Wifi */
  11         SKU_3_LTE_2CAM = 3, /* Wifi + LTE + dual camera */
  12         SKU_4_WIFI_2CAM = 4, /* Wifi + dual camera */
  13 };
  14
  15 static const struct pad_config default_override_table[] = {
  16         PAD_NC(GPIO_104, UP_20K),
  17
  18         /* GPIO_105 -- TOUCHSCREEN_RST */
  19         PAD_CFG_GPO_IOSSTATE_IOSTERM(GPIO_105, 0, DEEP, NONE, Tx1RxDCRx0, DISPUPD),
  20         /* EN_PP3300_TOUCHSCREEN */
  21         PAD_CFG_GPO_IOSSTATE_IOSTERM(GPIO_146, 1, DEEP, NONE, Tx0RxDCRx0,
  22                                      DISPUPD),
  23
  24         PAD_NC(GPIO_213, DN_20K),
  25 };
  26
  27 static const struct pad_config lte_override_table[] = {
  28         /* Default override table. */
  29         PAD_NC(GPIO_104, UP_20K),
  30
  31         /* GPIO_105 -- TOUCHSCREEN_RST */
  32         PAD_CFG_GPO_IOSSTATE_IOSTERM(GPIO_105, 0, DEEP, NONE, Tx1RxDCRx0, DISPUPD),
  33         /* EN_PP3300_TOUCHSCREEN */
  34         PAD_CFG_GPO_IOSSTATE_IOSTERM(GPIO_146, 1, DEEP, NONE, Tx0RxDCRx0,
  35                                      DISPUPD),
  36
  37         PAD_NC(GPIO_213, DN_20K),
  38
  39         /* Be specific to LTE SKU */
  40         /* UART2-CTS_B -- EN_PP3300_DX_LTE_SOC */
  41         PAD_CFG_GPO(GPIO_67, 1, PWROK),
  42
  43         /* PCIE_WAKE1_B -- FULL_CARD_POWER_OFF */
  44         PAD_CFG_GPO(GPIO_117, 1, PWROK),
  45
  46         /* AVS_I2S1_MCLK -- PLT_RST_LTE_L */
  47         PAD_CFG_GPO(GPIO_161, 1, DEEP),
  48 };
  49
  50 const struct pad_config *variant_override_gpio_table(size_t *num)
  51 {
  52         uint32_t sku_id;
  53         sku_id = google_chromeec_get_board_sku();
  54
  55         switch (sku_id) {
  56         case SKU_1_LTE:
  57         case SKU_3_LTE_2CAM:
  58                 *num = ARRAY_SIZE(lte_override_table);
  59                 return lte_override_table;
  60         default:
  61                 *num = ARRAY_SIZE(default_override_table);
  62                 return default_override_table;
  63         }
  64 }
  65
  66 static const struct pad_config lte_early_override_table[] = {
  67         /* UART2-CTS_B -- EN_PP3300_DX_LTE_SOC */
  68         PAD_CFG_GPO(GPIO_67, 1, PWROK),
  69
  70         /* PCIE_WAKE1_B -- FULL_CARD_POWER_OFF */
  71         PAD_CFG_GPO(GPIO_117, 1, PWROK),
  72
  73         /* AVS_I2S1_MCLK -- PLT_RST_LTE_L */
  74         PAD_CFG_GPO(GPIO_161, 0, DEEP),
  75 };
  76
  77 const struct pad_config *variant_early_override_gpio_table(size_t *num)
  78 {
  79         *num = ARRAY_SIZE(lte_early_override_table);
  80
  81         return lte_early_override_table;
  82 }
  83
  84 /* GPIOs needed to be set in romstage. */
  85 static const struct pad_config romstage_gpio_table[] = {
  86         /* Enable touchscreen, hold in reset */
  87          /* EN_PP3300_TOUCHSCREEN */
  88         PAD_CFG_GPO_IOSSTATE_IOSTERM(GPIO_146, 1, DEEP, NONE, Tx0RxDCRx0, DISPUPD),
  89         /* GPIO_105 -- TOUCHSCREEN_RST */
  90         PAD_CFG_GPO_IOSSTATE_IOSTERM(GPIO_105, 1, DEEP, NONE, Tx1RxDCRx0, DISPUPD),
  91 };
  92
  93 const struct pad_config *variant_romstage_gpio_table(size_t *num)
  94 {
  95         *num = ARRAY_SIZE(romstage_gpio_table);
  96         return romstage_gpio_table;
  97 }