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/* SPDX-License-Identifier: GPL-2.0-or-later */
#include <baseboard/gpio.h>
#include <baseboard/variants.h>
#include <boardid.h>
#include <gpio.h>
#include <soc/gpio.h>
#include <ec/google/chromeec/ec.h>
/* This table is used by dalboz variant with board version < 2. */
static const struct soc_amd_gpio bid_1_gpio_set_stage_ram[] = {
/* DMIC_SEL */
PAD_GPO(GPIO_6, LOW), // Select Camera 1 DMIC
/* USB_OC2_L - USB A0 & A1 */
PAD_NF(GPIO_18, USB_OC2_L, PULL_NONE),
/* TP */
PAD_NC(GPIO_32),
/* EN_PWR_TOUCHPAD_PS2 */
PAD_GPO(GPIO_67, HIGH),
/* EN_DEV_BEEP_L */
PAD_GPO(GPIO_89, HIGH),
/* USI_RESET */
PAD_GPO(GPIO_140, HIGH),
/* Unused */
PAD_NC(GPIO_143),
};
static const struct soc_amd_gpio bid_2_gpio_set_stage_ram[] = {
/* DMIC_SEL */
PAD_GPO(GPIO_6, LOW), // Select Camera 1 DMIC
/* TP */
PAD_NC(GPIO_32),
/* EN_PWR_TOUCHPAD_PS2 */
PAD_GPO(GPIO_67, HIGH),
/* EN_DEV_BEEP_L */
PAD_GPO(GPIO_89, HIGH),
/* USI_RESET */
PAD_GPO(GPIO_140, HIGH),
};
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;
} else if (board_version == 2) {
*size = ARRAY_SIZE(bid_2_gpio_set_stage_ram);
return bid_2_gpio_set_stage_ram;
}
*size = 0;
return NULL;
}
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