gpio.c

Go to the documentation of this file.

/* SPDX-License-Identifier: GPL-2.0-or-later */
 
#include <baseboard/gpio.h>
#include <baseboard/variants.h>
#include <gpio.h>
#include <soc/gpio.h>
#include <ec/google/chromeec/ec.h>
 
static const struct soc_amd_gpio bid_1_gpio_set_stage_ram[] = {
        /* PEN_DETECT_ODL - no used */
        PAD_NC(GPIO_4),
        /* PEN_POWER_EN - no used */
        PAD_NC(GPIO_5),
        /* TP */
        PAD_NC(GPIO_32),
        /* EN_DEV_BEEP_L */
        PAD_GPO(GPIO_89, HIGH),
        /* USI_RESET */
        PAD_GPO(GPIO_140, HIGH),
};
 
static const struct soc_amd_gpio dirinboz_gpio_set_stage_ram[] = {
        /* PEN_DETECT_ODL - no used */
        PAD_NC(GPIO_4),
        /* PEN_POWER_EN - no used */
        PAD_NC(GPIO_5),
};
 
const struct soc_amd_gpio *variant_override_gpio_table(size_t *size)
{
        uint32_t board_version;
 
        /*
         * If board version cannot be read, assume that this is an older revision of the board
         * and so apply overrides. If board version is provided by the EC, then apply overrides
         * if version < 2.
         */
        if (google_chromeec_cbi_get_board_version(&board_version) != 0)
                board_version = 1;
 
        if (board_version < 2) {
                *size = ARRAY_SIZE(bid_1_gpio_set_stage_ram);
                return bid_1_gpio_set_stage_ram;
        }
 
        *size = ARRAY_SIZE(dirinboz_gpio_set_stage_ram);
        return dirinboz_gpio_set_stage_ram;
}