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/*
* This file is part of the coreboot project.
*
* Copyright 2019 Google LLC
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.See the
* GNU General Public License for more details.
*/
#include <baseboard/gpio.h>
#include <baseboard/variants.h>
#include <boardid.h>
#include <gpio.h>
#include <soc/gpio.h>
#include <ec/google/chromeec/ec.h>
static const struct pad_config default_override_table[] = {
PAD_NC(GPIO_52, UP_20K),
PAD_NC(GPIO_53, UP_20K),
PAD_NC(GPIO_67, UP_20K),
PAD_NC(GPIO_117, UP_20K),
PAD_NC(GPIO_143, UP_20K),
/* EN_PP3300_TOUCHSCREEN */
PAD_CFG_GPO_IOSSTATE_IOSTERM(GPIO_146, 0, DEEP, NONE, Tx0RxDCRx0,
DISPUPD),
PAD_NC(GPIO_161, DN_20K),
PAD_NC(GPIO_213, DN_20K),
PAD_NC(GPIO_214, DN_20K),
};
static const struct pad_config non_touchscreen_override_table[] = {
/* disable I2C7 SCL and SDA */
PAD_NC(GPIO_114, UP_20K), /* LPSS_I2C7_SDA */
PAD_NC(GPIO_115, UP_20K), /* LPSS_I2C7_SCL */
PAD_NC(GPIO_52, UP_20K),
PAD_NC(GPIO_53, UP_20K),
PAD_NC(GPIO_67, UP_20K),
PAD_NC(GPIO_117, UP_20K),
PAD_NC(GPIO_143, UP_20K),
/* EN_PP3300_TOUCHSCREEN */
PAD_NC(GPIO_146, UP_20K),
PAD_NC(GPIO_161, DN_20K),
PAD_NC(GPIO_213, DN_20K),
PAD_NC(GPIO_214, DN_20K),
};
bool no_touchscreen_sku(uint32_t sku_id)
{
if (sku_id != 9)
return true;
else
return false;
}
const struct pad_config *variant_override_gpio_table(size_t *num)
{
const struct pad_config *c;
uint32_t sku_id;
sku_id = google_chromeec_get_board_sku();
if (no_touchscreen_sku(sku_id)) {
c = non_touchscreen_override_table;
*num = ARRAY_SIZE(non_touchscreen_override_table);
} else {
c = default_override_table;
*num = ARRAY_SIZE(default_override_table);
}
return c;
}
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