| Simon Glass | 54028bc | 2019-12-06 21:41:59 -0700 | [diff] [blame] | 1 | // SPDX-License-Identifier: GPL-2.0 |
| 2 | /* |
| 3 | * Sandbox driver for interrupts |
| 4 | * |
| 5 | * Copyright 2019 Google LLC |
| 6 | */ |
| 7 | |
| 8 | #include <common.h> |
| 9 | #include <dm.h> |
| 10 | #include <irq.h> |
| 11 | |
| 12 | static int sandbox_set_polarity(struct udevice *dev, uint irq, bool active_low) |
| 13 | { |
| 14 | if (irq > 10) |
| 15 | return -EINVAL; |
| 16 | |
| 17 | return 0; |
| 18 | } |
| 19 | |
| 20 | static int sandbox_route_pmc_gpio_gpe(struct udevice *dev, uint pmc_gpe_num) |
| 21 | { |
| 22 | if (pmc_gpe_num > 10) |
| 23 | return -ENOENT; |
| 24 | |
| 25 | return pmc_gpe_num + 1; |
| 26 | } |
| 27 | |
| 28 | static int sandbox_snapshot_polarities(struct udevice *dev) |
| 29 | { |
| 30 | return 0; |
| 31 | } |
| 32 | |
| 33 | static int sandbox_restore_polarities(struct udevice *dev) |
| 34 | { |
| 35 | return 0; |
| 36 | } |
| 37 | |
| 38 | static const struct irq_ops sandbox_irq_ops = { |
| 39 | .route_pmc_gpio_gpe = sandbox_route_pmc_gpio_gpe, |
| 40 | .set_polarity = sandbox_set_polarity, |
| 41 | .snapshot_polarities = sandbox_snapshot_polarities, |
| 42 | .restore_polarities = sandbox_restore_polarities, |
| 43 | }; |
| 44 | |
| 45 | static const struct udevice_id sandbox_irq_ids[] = { |
| 46 | { .compatible = "sandbox,irq"}, |
| 47 | { } |
| 48 | }; |
| 49 | |
| 50 | U_BOOT_DRIVER(sandbox_irq_drv) = { |
| 51 | .name = "sandbox_irq", |
| 52 | .id = UCLASS_IRQ, |
| 53 | .of_match = sandbox_irq_ids, |
| 54 | .ops = &sandbox_irq_ops, |
| 55 | }; |