diff options
Diffstat (limited to 'src/soc/intel/cannonlake/sd.c')
| -rw-r--r-- | src/soc/intel/cannonlake/sd.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/src/soc/intel/cannonlake/sd.c b/src/soc/intel/cannonlake/sd.c new file mode 100644 index 0000000000..2c0298fd78 --- /dev/null +++ b/src/soc/intel/cannonlake/sd.c @@ -0,0 +1,37 @@ +/* + * This file is part of the coreboot project. + * + * Copyright 2017 Google Inc. + * + * 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 <intelblocks/sd.h> +#include "chip.h" + +int sd_fill_soc_gpio_info(struct acpi_gpio* gpio, struct device *dev) +{ + config_t *config = dev->chip_info; + + if (!config->sdcard_cd_gpio) + return -1; + + 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; + + return 0; +} |