gpio.c

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/* SPDX-License-Identifier: GPL-2.0-or-later */
 
#include <baseboard/gpio.h>
#include <baseboard/variants.h>
#include <commonlib/helpers.h>
#include <soc/gpio.h>
 
/* Pad configuration in ramstage */
static const struct pad_config override_gpio_table[] = {
        /* A8  : WWAN_RF_DISABLE_ODL */
        PAD_NC(GPP_A8, NONE),
        /* A21 : GPP_A21 ==> USB_C1_AUX_DC_P */
        PAD_CFG_GPO(GPP_A21, 0, DEEP),
        /* A22 : GPP_A22 ==> USB_C1_AUX_DC_N */
        PAD_CFG_GPO(GPP_A22, 1, DEEP),
 
        /* B5  : SOC_I2C_SUB_SDA */
        PAD_NC(GPP_B5, NONE),
        /* B6  : SOC_I2C_SUB_SCL */
        PAD_NC(GPP_B6, NONE),
 
        /* D3  : WCAM_RST_L */
        PAD_NC(GPP_D3, NONE),
        /* D6  : WWAN_EN */
        PAD_NC(GPP_D6, NONE),
        /* D15 : EN_PP2800_WCAM_X */
        PAD_NC(GPP_D15, NONE),
        /* D16 : EN_PP1800_PP1200_WCAM_X */
        PAD_NC(GPP_D16, NONE),
 
        /* F12 : WWAN_RST_L */
        PAD_NC(GPP_F12, NONE),
 
        /* H19 : SOC_I2C_SUB_INT_ODL */
        PAD_NC(GPP_H19, NONE),
        /* H22 : WCAM_MCLK_R */
        PAD_NC(GPP_H22, NONE),
        /* H23 : WWAN_SAR_DETECT_ODL */
        PAD_NC(GPP_H23, NONE),
};
 
/* Early pad configuration in bootblock */
static const struct pad_config early_gpio_table[] = {
        /* B11 : PMCALERT# ==> EN_PP3300_WLAN_X */
        PAD_CFG_GPO(GPP_B11, 0, DEEP),
        /* H12 : UART0_RTS# ==> SD_PERST_L */
        PAD_CFG_GPO(GPP_H12, 0, DEEP),
        /* H20 : IMGCLKOUT1 ==> WLAN_PERST_L */
        PAD_CFG_GPO(GPP_H20, 0, DEEP),
        /* A13 : GPP_A13 ==> GSC_SOC_INT_ODL */
        PAD_CFG_GPI_APIC(GPP_A13, NONE, PLTRST, LEVEL, INVERT),
        /* E12 : THC0_SPI1_IO1 ==> SOC_WP_OD */
        PAD_CFG_GPI_GPIO_DRIVER(GPP_E12, NONE, DEEP),
        /* F18 : THC1_SPI2_INT# ==> EC_IN_RW_OD */
        PAD_CFG_GPI(GPP_F18, NONE, DEEP),
        /* H4  : I2C0_SDA ==> SOC_I2C_GSC_SDA */
        PAD_CFG_NF(GPP_H4, NONE, DEEP, NF1),
        /* H5  : I2C0_SCL ==> SOC_I2C_GSC_SCL */
        PAD_CFG_NF(GPP_H5, NONE, DEEP, NF1),
        /* H10 : UART0_RXD ==> UART_SOC_RX_DBG_TX */
        PAD_CFG_NF(GPP_H10, NONE, DEEP, NF2),
        /* H11 : UART0_TXD ==> UART_SOC_TX_DBG_RX */
        PAD_CFG_NF(GPP_H11, NONE, DEEP, NF2),
        /* H13 : UART0_CTS# ==> EN_PP3300_SD_X */
        PAD_CFG_GPO(GPP_H13, 1, DEEP),
};
 
static const struct pad_config romstage_gpio_table[] = {
        /* B11 : PMCALERT# ==> EN_PP3300_WLAN_X */
        PAD_CFG_GPO(GPP_B11, 1, DEEP),
        /* H12 : UART0_RTS# ==> SD_PERST_L */
        PAD_CFG_GPO(GPP_H12, 1, DEEP),
};
 
const struct pad_config *variant_gpio_override_table(size_t *num)
{
        *num = ARRAY_SIZE(override_gpio_table);
        return override_gpio_table;
}
 
const struct pad_config *variant_early_gpio_table(size_t *num)
{
        *num = ARRAY_SIZE(early_gpio_table);
        return early_gpio_table;
}
 
const struct pad_config *variant_romstage_gpio_table(size_t *num)
{
        *num = ARRAY_SIZE(romstage_gpio_table);
        return romstage_gpio_table;
}