| /* SPDX-License-Identifier: GPL-2.0-only */ |
| |
| #include <baseboard/gpio.h> |
| #include <baseboard/variants.h> |
| #include <gpio.h> |
| #include <soc/gpio.h> |
| |
| /* GPIOs needed prior to ramstage. */ |
| static const struct pad_config early_gpio_table[] = { |
| PAD_CFG_GPI(GPIO_190, NONE, DEEP), /* PCH_WP_OD */ |
| /* GSPI0_INT */ |
| PAD_CFG_GPI_APIC_IOS(GPIO_63, NONE, DEEP, LEVEL, INVERT, TxDRxE, |
| DISPUPD), /* H1_PCH_INT_ODL */ |
| /* GSPI0_CLK */ |
| PAD_CFG_NF(GPIO_79, NONE, DEEP, NF1), /* H1_SLAVE_SPI_CLK_R */ |
| /* GSPI0_CS# */ |
| PAD_CFG_NF(GPIO_80, NONE, DEEP, NF1), /* H1_SLAVE_SPI_CS_L_R */ |
| /* GSPI0_MISO */ |
| PAD_CFG_NF(GPIO_82, NONE, DEEP, NF1), /* H1_SLAVE_SPI_MISO */ |
| /* GSPI0_MOSI */ |
| PAD_CFG_NF(GPIO_83, NONE, DEEP, NF1), /* H1_SLAVE_SPI_MOSI_R */ |
| |
| /* Enable power to wifi early in bootblock and de-assert PERST#. */ |
| PAD_CFG_GPO(GPIO_178, 1, DEEP), /* EN_PP3300_WLAN */ |
| PAD_CFG_GPO(GPIO_164, 0, DEEP), /* WLAN_PE_RST */ |
| |
| /* |
| * ESPI_IO1 acts as ALERT# (which is open-drain) and requires a weak |
| * pull-up for proper operation. Since there is no external pull present |
| * on this platform, configure an internal weak pull-up. |
| */ |
| PAD_CFG_NF_IOSSTATE_IOSTERM(GPIO_151, UP_20K, DEEP, NF2, HIZCRx1, |
| ENPU), /* ESPI_IO1 */ |
| }; |
| |
| const struct pad_config *variant_early_gpio_table(size_t *num) |
| { |
| *num = ARRAY_SIZE(early_gpio_table); |
| return early_gpio_table; |
| } |
| |
| static const struct pad_config default_override_table[] = { |
| /* EN_PP3300_TOUCHSCREEN */ |
| PAD_CFG_GPO_IOSSTATE_IOSTERM(GPIO_146, 1, DEEP, NONE, Tx0RxDCRx0, DISPUPD), |
| /* GPIO_105 -- TOUCHSCREEN_RST */ |
| PAD_CFG_GPO_IOSSTATE_IOSTERM(GPIO_105, 0, DEEP, NONE, Tx1RxDCRx0, DISPUPD), |
| /* GPIO_140 -- PEN_RESET */ |
| PAD_CFG_GPO_IOSSTATE_IOSTERM(GPIO_140, 0, DEEP, NONE, Tx1RxDCRx0, DISPUPD), |
| }; |
| |
| const struct pad_config *variant_override_gpio_table(size_t *num) |
| { |
| *num = ARRAY_SIZE(default_override_table); |
| return default_override_table; |
| } |
| |
| /* GPIOs needed to be set in romstage. */ |
| static const struct pad_config romstage_gpio_table[] = { |
| /* Enable touchscreen, hold in reset */ |
| /* EN_PP3300_TOUCHSCREEN */ |
| PAD_CFG_GPO_IOSSTATE_IOSTERM(GPIO_146, 1, DEEP, NONE, Tx0RxDCRx0, DISPUPD), |
| /* GPIO_105 -- TOUCHSCREEN_RST */ |
| PAD_CFG_GPO_IOSSTATE_IOSTERM(GPIO_105, 1, DEEP, NONE, Tx1RxDCRx0, DISPUPD), |
| /* GPIO_140 -- PEN_RESET */ |
| PAD_CFG_GPO_IOSSTATE_IOSTERM(GPIO_140, 1, DEEP, NONE, Tx1RxDCRx0, DISPUPD), |
| }; |
| |
| const struct pad_config *variant_romstage_gpio_table(size_t *num) |
| { |
| *num = ARRAY_SIZE(romstage_gpio_table); |
| return romstage_gpio_table; |
| } |