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-rw-r--r--drivers/demo/demo-uclass.c58
1 files changed, 58 insertions, 0 deletions
diff --git a/drivers/demo/demo-uclass.c b/drivers/demo/demo-uclass.c
new file mode 100644
index 0000000..48588be
--- /dev/null
+++ b/drivers/demo/demo-uclass.c
@@ -0,0 +1,58 @@
+/*
+ * Copyright (c) 2013 Google, Inc
+ *
+ * (C) Copyright 2012
+ * Pavel Herrmann <morpheus.ibis@gmail.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <dm-demo.h>
+#include <errno.h>
+#include <fdtdec.h>
+#include <malloc.h>
+#include <asm/io.h>
+#include <linux/list.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+UCLASS_DRIVER(demo) = {
+ .id = UCLASS_DEMO,
+};
+
+int demo_hello(struct device *dev, int ch)
+{
+ const struct demo_ops *ops = device_get_ops(dev);
+
+ if (!ops->hello)
+ return -ENOSYS;
+
+ return ops->hello(dev, ch);
+}
+
+int demo_status(struct device *dev, int *status)
+{
+ const struct demo_ops *ops = device_get_ops(dev);
+
+ if (!ops->status)
+ return -ENOSYS;
+
+ return ops->status(dev, status);
+}
+
+int demo_parse_dt(struct device *dev)
+{
+ struct dm_demo_pdata *pdata = dev_get_platdata(dev);
+ int dn = dev->of_offset;
+
+ pdata->sides = fdtdec_get_int(gd->fdt_blob, dn, "sides", 0);
+ pdata->colour = fdt_getprop(gd->fdt_blob, dn, "colour", NULL);
+ if (!pdata->sides || !pdata->colour) {
+ debug("%s: Invalid device tree data\n", __func__);
+ return -EINVAL;
+ }
+
+ return 0;
+}