mirror of
https://github.com/AsahiLinux/u-boot
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56 lines
1 KiB
C
56 lines
1 KiB
C
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// SPDX-License-Identifier: GPL-2.0
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/*
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* Sandbox driver for interrupts
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*
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* Copyright 2019 Google LLC
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*/
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#include <common.h>
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#include <dm.h>
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#include <irq.h>
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static int sandbox_set_polarity(struct udevice *dev, uint irq, bool active_low)
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{
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if (irq > 10)
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return -EINVAL;
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return 0;
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}
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static int sandbox_route_pmc_gpio_gpe(struct udevice *dev, uint pmc_gpe_num)
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{
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if (pmc_gpe_num > 10)
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return -ENOENT;
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return pmc_gpe_num + 1;
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}
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static int sandbox_snapshot_polarities(struct udevice *dev)
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{
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return 0;
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}
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static int sandbox_restore_polarities(struct udevice *dev)
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{
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return 0;
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}
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static const struct irq_ops sandbox_irq_ops = {
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.route_pmc_gpio_gpe = sandbox_route_pmc_gpio_gpe,
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.set_polarity = sandbox_set_polarity,
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.snapshot_polarities = sandbox_snapshot_polarities,
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.restore_polarities = sandbox_restore_polarities,
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};
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static const struct udevice_id sandbox_irq_ids[] = {
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{ .compatible = "sandbox,irq"},
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{ }
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};
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U_BOOT_DRIVER(sandbox_irq_drv) = {
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.name = "sandbox_irq",
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.id = UCLASS_IRQ,
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.of_match = sandbox_irq_ids,
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.ops = &sandbox_irq_ops,
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};
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