gpio.c

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/* SPDX-License-Identifier: GPL-2.0-only */
 
#include <soc/gpio.h>
#include "../../gpio.h"
 
/*
 * As a rule of thumb, GPIO pins used by coreboot should be initialized at
 * bootblock while GPIO pins used only by the OS should be initialized at
 * ramstage.
 */
static const struct soc_amd_gpio gpio_set_stage_ram[] = {
        /* GPIO_2 - WLAN_PCIE_WAKE_3V3_ODL, SCI */
        PAD_NF_SCI(GPIO_2, WAKE_L, PULL_UP, EDGE_LOW),
        /* SSD DEVSLP */
        PAD_NF(GPIO_5, DEVSLP0, PULL_NONE),
        /* Defeature SATA Express DEVSLP, as some boards are reworked
         * to tie this to GPIO23 to control power */
        PAD_GPI(GPIO_6, PULL_UP),
        /* I2S SDIN */
        PAD_NF(GPIO_7, ACP_I2S_SDIN, PULL_NONE),
        /* I2S LRCLK */
        PAD_NF(GPIO_8, ACP_I2S_LRCLK, PULL_NONE),
        /* Blink */
        PAD_NF(GPIO_11, BLINK, PULL_NONE),
        /* APU_ALS_INT# */
        PAD_SCI(GPIO_24, PULL_UP, EDGE_LOW),
        /* Finger print CS# */
        PAD_GPO(GPIO_31, HIGH),
        /* NFC IRQ */
        PAD_INT(GPIO_69, PULL_UP, EDGE_LOW, STATUS),
        /* Rear camera power enable */
        PAD_GPO(GPIO_89, HIGH),
};
 
void mainboard_program_gpios(void)
{
        gpio_configure_pads(gpio_set_stage_ram, ARRAY_SIZE(gpio_set_stage_ram));
}