mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2025-01-14 21:26:25 +07:00
a622bb0a1e
All host drivers are converted to look up GPIO descriptors from device tree, ACPI or machine descriptor tables, so now we can delete the legacy GPIO handling using hardcoded GPIO numbers from the kernel. Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
35 lines
1.1 KiB
C
35 lines
1.1 KiB
C
/*
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* Generic GPIO card-detect helper header
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*
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* Copyright (C) 2011, Guennadi Liakhovetski <g.liakhovetski@gmx.de>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#ifndef MMC_SLOT_GPIO_H
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#define MMC_SLOT_GPIO_H
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#include <linux/types.h>
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#include <linux/irqreturn.h>
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struct mmc_host;
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int mmc_gpio_get_ro(struct mmc_host *host);
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int mmc_gpio_get_cd(struct mmc_host *host);
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int mmc_gpiod_request_cd(struct mmc_host *host, const char *con_id,
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unsigned int idx, bool override_active_level,
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unsigned int debounce, bool *gpio_invert);
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int mmc_gpiod_request_ro(struct mmc_host *host, const char *con_id,
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unsigned int idx, bool override_active_level,
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unsigned int debounce, bool *gpio_invert);
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void mmc_gpio_set_cd_isr(struct mmc_host *host,
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irqreturn_t (*isr)(int irq, void *dev_id));
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int mmc_gpio_set_cd_wake(struct mmc_host *host, bool on);
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void mmc_gpiod_request_cd_irq(struct mmc_host *host);
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bool mmc_can_gpio_cd(struct mmc_host *host);
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bool mmc_can_gpio_ro(struct mmc_host *host);
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#endif
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