+// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (C) 2015 Google, Inc
* Written by Simon Glass <sjg@chromium.org>
* Copyright (c) 2016, NVIDIA CORPORATION.
* Copyright (c) 2018, Theobroma Systems Design und Consulting GmbH
- *
- * SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
return clk_get_by_indexed_prop(dev, "clocks", index, clk);
}
+int clk_get_bulk(struct udevice *dev, struct clk_bulk *bulk)
+{
+ int i, ret, err, count;
+
+ bulk->count = 0;
+
+ count = dev_count_phandle_with_args(dev, "clocks", "#clock-cells");
+ if (count < 1)
+ return count;
+
+ bulk->clks = devm_kcalloc(dev, count, sizeof(struct clk), GFP_KERNEL);
+ if (!bulk->clks)
+ return -ENOMEM;
+
+ for (i = 0; i < count; i++) {
+ ret = clk_get_by_index(dev, i, &bulk->clks[i]);
+ if (ret < 0)
+ goto bulk_get_err;
+
+ ++bulk->count;
+ }
+
+ return 0;
+
+bulk_get_err:
+ err = clk_release_all(bulk->clks, bulk->count);
+ if (err)
+ debug("%s: could release all clocks for %p\n",
+ __func__, dev);
+
+ return ret;
+}
+
static int clk_set_default_parents(struct udevice *dev)
{
struct clk clk, parent_clk;
return ops->enable(clk);
}
+int clk_enable_bulk(struct clk_bulk *bulk)
+{
+ int i, ret;
+
+ for (i = 0; i < bulk->count; i++) {
+ ret = clk_enable(&bulk->clks[i]);
+ if (ret < 0 && ret != -ENOSYS)
+ return ret;
+ }
+
+ return 0;
+}
+
int clk_disable(struct clk *clk)
{
const struct clk_ops *ops = clk_dev_ops(clk->dev);
return ops->disable(clk);
}
+int clk_disable_bulk(struct clk_bulk *bulk)
+{
+ int i, ret;
+
+ for (i = 0; i < bulk->count; i++) {
+ ret = clk_disable(&bulk->clks[i]);
+ if (ret < 0 && ret != -ENOSYS)
+ return ret;
+ }
+
+ return 0;
+}
+
UCLASS_DRIVER(clk) = {
.id = UCLASS_CLK,
.name = "clk",