summaryrefslogtreecommitdiffstats
path: root/src/soc/intel/skylake/sd.c
blob: ba56182af1b79d38dda88a7b5af3580c34ed9e00 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
/* SPDX-License-Identifier: GPL-2.0-only */

#include <intelblocks/sd.h>
#include "chip.h"

int sd_fill_soc_gpio_info(struct acpi_gpio* gpio, const struct device *dev)
{
	config_t *config = config_of(dev);

	/* Nothing to write if GPIO is not set in devicetree */
	if (!config->sdcard_cd_gpio_default && !config->sdcard_cd_gpio.pins[0])
		return -1;

	if (config->sdcard_cd_gpio_default) {
		gpio->type = ACPI_GPIO_TYPE_INTERRUPT;
		gpio->pull = ACPI_GPIO_PULL_NONE;
		gpio->irq.mode = ACPI_IRQ_EDGE_TRIGGERED;
		gpio->irq.polarity = ACPI_IRQ_ACTIVE_BOTH;
		gpio->irq.shared = ACPI_IRQ_SHARED;
		gpio->irq.wake = ACPI_IRQ_WAKE;
		gpio->interrupt_debounce_timeout = 10000; /* 100ms */
		gpio->pin_count = 1;
		gpio->pins[0] = config->sdcard_cd_gpio_default;
	} else
		*gpio = config->sdcard_cd_gpio;

	return 0;
}