Add submodule dependency filesHEADmaster

Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec

1 files changed, 74 insertions, 0 deletions

diff --git a/roms/u-boot/drivers/clk/clk.c b/roms/u-boot/drivers/clk/clk.c
new file mode 100644
index 000000000..1efb7fe9f
--- /dev/null
+++ b/roms/u-boot/drivers/clk/clk.c
@@ -0,0 +1,74 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2019 DENX Software Engineering
+ * Lukasz Majewski, DENX Software Engineering, lukma@denx.de
+ */
+
+#include <common.h>
+#include <clk-uclass.h>
+#include <log.h>
+#include <dm/device.h>
+#include <dm/uclass.h>
+#include <dm/lists.h>
+#include <dm/device-internal.h>
+#include <clk.h>
+
+int clk_register(struct clk *clk, const char *drv_name,
+		 const char *name, const char *parent_name)
+{
+	struct udevice *parent;
+	struct driver *drv;
+	int ret;
+
+	ret = uclass_get_device_by_name(UCLASS_CLK, parent_name, &parent);
+	if (ret) {
+		printf("%s: failed to get %s device (parent of %s)\n",
+		       __func__, parent_name, name);
+	} else {
+		debug("%s: name: %s parent: %s [0x%p]\n", __func__, name,
+		      parent->name, parent);
+	}
+
+	drv = lists_driver_lookup_name(drv_name);
+	if (!drv) {
+		printf("%s: %s is not a valid driver name\n",
+		       __func__, drv_name);
+		return -ENOENT;
+	}
+
+	ret = device_bind(parent, drv, name, NULL, ofnode_null(), &clk->dev);
+	if (ret) {
+		printf("%s: CLK: %s driver bind error [%d]!\n", __func__, name,
+		       ret);
+		return ret;
+	}
+
+	clk->enable_count = 0;
+
+	/* Store back pointer to clk from udevice */
+	/* FIXME: This is not allowed...should be allocated by driver model */
+	dev_set_uclass_priv(clk->dev, clk);
+
+	return 0;
+}
+
+ulong clk_generic_get_rate(struct clk *clk)
+{
+	return clk_get_parent_rate(clk);
+}
+
+const char *clk_hw_get_name(const struct clk *hw)
+{
+	assert(hw);
+	assert(hw->dev);
+
+	return hw->dev->name;
+}
+
+bool clk_dev_binded(struct clk *clk)
+{
+	if (clk->dev && (dev_get_flags(clk->dev) & DM_FLAG_BOUND))
+		return true;
+
+	return false;
+}