test: Add tests for SOC uclass

Add a sandbox SOC driver, and some tests for the SOC uclass.

Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Dave Gerlach <d-gerlach@ti.com>

2 files changed, 57 insertions, 0 deletions

diff --git a/drivers/soc/Makefile b/drivers/soc/Makefile
index 1c09a84656..649e92b390 100644
--- a/drivers/soc/Makefile
+++ b/drivers/soc/Makefile
@@ -4,3 +4,4 @@
 
 obj-$(CONFIG_SOC_TI) += ti/
 obj-$(CONFIG_SOC_DEVICE) += soc-uclass.o
+obj-$(CONFIG_SANDBOX) += soc_sandbox.o
diff --git a/drivers/soc/soc_sandbox.c b/drivers/soc/soc_sandbox.c
new file mode 100644
index 0000000000..5c82ad84fc
--- /dev/null
+++ b/drivers/soc/soc_sandbox.c
@@ -0,0 +1,56 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Sandbox driver for the SOC uclass
+ *
+ * (C) Copyright 2020 - Texas Instruments Incorporated - http://www.ti.com/
+ * Dave Gerlach <d-gerlach@ti.com>
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <soc.h>
+
+int soc_sandbox_get_family(struct udevice *dev, char *buf, int size)
+{
+	snprintf(buf, size, "SANDBOX1xx");
+
+	return 0;
+}
+
+int soc_sandbox_get_machine(struct udevice *dev, char *buf, int size)
+{
+	snprintf(buf, size, "SANDBOX123");
+
+	return 0;
+}
+
+int soc_sandbox_get_revision(struct udevice *dev, char *buf, int size)
+{
+	snprintf(buf, size, "1.0");
+
+	return 0;
+}
+
+static const struct soc_ops soc_sandbox_ops = {
+	.get_family = soc_sandbox_get_family,
+	.get_revision = soc_sandbox_get_revision,
+	.get_machine = soc_sandbox_get_machine,
+};
+
+int soc_sandbox_probe(struct udevice *dev)
+{
+	return 0;
+}
+
+static const struct udevice_id soc_sandbox_ids[] = {
+	{ .compatible = "sandbox,soc" },
+	{ }
+};
+
+U_BOOT_DRIVER(soc_sandbox) = {
+	.name           = "soc_sandbox",
+	.id             = UCLASS_SOC,
+	.ops		= &soc_sandbox_ops,
+	.of_match       = soc_sandbox_ids,
+	.probe          = soc_sandbox_probe,
+};