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>
diff --git a/drivers/misc/Makefile b/drivers/misc/Makefile
index 28313e4..d4e8638 100644
--- a/drivers/misc/Makefile
+++ b/drivers/misc/Makefile
@@ -42,6 +42,7 @@
obj-$(CONFIG_GDSYS_RXAUI_CTRL) += gdsys_rxaui_ctrl.o
obj-$(CONFIG_GDSYS_SOC) += gdsys_soc.o
obj-$(CONFIG_IRQ) += irq-uclass.o
+obj-$(CONFIG_SANDBOX) += irq_sandbox.o
obj-$(CONFIG_$(SPL_)I2C_EEPROM) += i2c_eeprom.o
obj-$(CONFIG_IHS_FPGA) += ihs_fpga.o
obj-$(CONFIG_IMX8) += imx8/
diff --git a/drivers/misc/irq_sandbox.c b/drivers/misc/irq_sandbox.c
new file mode 100644
index 0000000..6dda1a4
--- /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,
+};