sandbox: Add a test for IRQ

Add a simple sandbox test for this uclass.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>

1 files changed, 55 insertions, 0 deletions

diff --git a/drivers/misc/irq_sandbox.c b/drivers/misc/irq_sandbox.c
new file mode 100644
index 0000000000..6dda1a4c44
--- /dev/null
+++ b/drivers/misc/irq_sandbox.c
@@ -0,0 +1,55 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Sandbox driver for interrupts
+ *
+ * Copyright 2019 Google LLC
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <irq.h>
+
+static int sandbox_set_polarity(struct udevice *dev, uint irq, bool active_low)
+{
+	if (irq > 10)
+		return -EINVAL;
+
+	return 0;
+}
+
+static int sandbox_route_pmc_gpio_gpe(struct udevice *dev, uint pmc_gpe_num)
+{
+	if (pmc_gpe_num > 10)
+		return -ENOENT;
+
+	return pmc_gpe_num + 1;
+}
+
+static int sandbox_snapshot_polarities(struct udevice *dev)
+{
+	return 0;
+}
+
+static int sandbox_restore_polarities(struct udevice *dev)
+{
+	return 0;
+}
+
+static const struct irq_ops sandbox_irq_ops = {
+	.route_pmc_gpio_gpe	= sandbox_route_pmc_gpio_gpe,
+	.set_polarity		= sandbox_set_polarity,
+	.snapshot_polarities	= sandbox_snapshot_polarities,
+	.restore_polarities	= sandbox_restore_polarities,
+};
+
+static const struct udevice_id sandbox_irq_ids[] = {
+	{ .compatible = "sandbox,irq"},
+	{ }
+};
+
+U_BOOT_DRIVER(sandbox_irq_drv) = {
+	.name		= "sandbox_irq",
+	.id		= UCLASS_IRQ,
+	.of_match	= sandbox_irq_ids,
+	.ops		= &sandbox_irq_ops,
+};