| /* SPDX-License-Identifier: GPL-2.0-only */ |
| /* This file is part of the coreboot project. */ |
| |
| #include <baseboard/gpio.h> |
| #include <baseboard/variants.h> |
| #include <boardid.h> |
| #include <gpio.h> |
| #include <soc/gpio.h> |
| #include <ec/google/chromeec/ec.h> |
| |
| enum { |
| SKU_37_DROID = 37, /* LTE */ |
| SKU_38_DROID = 38, /* LTE + Touch */ |
| SKU_39_DROID = 39, /* LTE + KB backlight*/ |
| SKU_40_DROID = 40, /* LTE + Touch + KB backlight*/ |
| }; |
| |
| static const struct pad_config default_override_table[] = { |
| PAD_NC(GPIO_104, UP_20K), |
| |
| /* EN_PP3300_TOUCHSCREEN */ |
| PAD_CFG_GPO_IOSSTATE_IOSTERM(GPIO_146, 0, DEEP, NONE, Tx0RxDCRx0, |
| DISPUPD), |
| |
| PAD_NC(GPIO_213, DN_20K), |
| }; |
| |
| static const struct pad_config lte_override_table[] = { |
| /* Default override table. */ |
| PAD_NC(GPIO_104, UP_20K), |
| |
| /* EN_PP3300_TOUCHSCREEN */ |
| PAD_CFG_GPO_IOSSTATE_IOSTERM(GPIO_146, 0, DEEP, NONE, Tx0RxDCRx0, |
| DISPUPD), |
| |
| PAD_NC(GPIO_213, DN_20K), |
| |
| /* Be specific to LTE SKU */ |
| /* UART2-CTS_B -- EN_PP3300_DX_LTE_SOC */ |
| PAD_CFG_GPO(GPIO_67, 1, PWROK), |
| |
| /* PCIE_WAKE1_B -- FULL_CARD_POWER_OFF */ |
| PAD_CFG_GPO(GPIO_117, 1, PWROK), |
| |
| /* AVS_I2S1_MCLK -- PLT_RST_LTE_L */ |
| PAD_CFG_GPO(GPIO_161, 1, DEEP), |
| }; |
| |
| const struct pad_config *variant_override_gpio_table(size_t *num) |
| { |
| uint32_t sku_id; |
| sku_id = google_chromeec_get_board_sku(); |
| |
| switch (sku_id) { |
| case SKU_37_DROID: |
| case SKU_38_DROID: |
| case SKU_39_DROID: |
| case SKU_40_DROID: |
| *num = ARRAY_SIZE(lte_override_table); |
| return lte_override_table; |
| default: |
| *num = ARRAY_SIZE(default_override_table); |
| return default_override_table; |
| } |
| } |
| |
| static const struct pad_config lte_early_override_table[] = { |
| /* UART2-CTS_B -- EN_PP3300_DX_LTE_SOC */ |
| PAD_CFG_GPO(GPIO_67, 1, PWROK), |
| |
| /* PCIE_WAKE1_B -- FULL_CARD_POWER_OFF */ |
| PAD_CFG_GPO(GPIO_117, 1, PWROK), |
| |
| /* AVS_I2S1_MCLK -- PLT_RST_LTE_L */ |
| PAD_CFG_GPO(GPIO_161, 0, DEEP), |
| }; |
| |
| const struct pad_config *variant_early_override_gpio_table(size_t *num) |
| { |
| *num = ARRAY_SIZE(lte_early_override_table); |
| |
| return lte_early_override_table; |
| } |