+// SPDX-License-Identifier: GPL-2.0
/*
* (C) Copyright 2015 Google, Inc
- *
- * SPDX-License-Identifier: GPL-2.0
*/
#include <common.h>
-#include <clk.h>
+#include <clk-uclass.h>
#include <dm.h>
#include <errno.h>
-#include <asm/test.h>
+#include <asm/clk.h>
struct sandbox_clk_priv {
- ulong rate;
- ulong periph_rate[PERIPH_ID_COUNT];
+ ulong rate[SANDBOX_CLK_ID_COUNT];
+ bool enabled[SANDBOX_CLK_ID_COUNT];
};
-static ulong sandbox_clk_get_rate(struct udevice *dev)
+static ulong sandbox_clk_get_rate(struct clk *clk)
{
- struct sandbox_clk_priv *priv = dev_get_priv(dev);
+ struct sandbox_clk_priv *priv = dev_get_priv(clk->dev);
+
+ if (clk->id >= SANDBOX_CLK_ID_COUNT)
+ return -EINVAL;
- return priv->rate;
+ return priv->rate[clk->id];
}
-static ulong sandbox_clk_set_rate(struct udevice *dev, ulong rate)
+static ulong sandbox_clk_set_rate(struct clk *clk, ulong rate)
{
- struct sandbox_clk_priv *priv = dev_get_priv(dev);
+ struct sandbox_clk_priv *priv = dev_get_priv(clk->dev);
+ ulong old_rate;
+
+ if (clk->id >= SANDBOX_CLK_ID_COUNT)
+ return -EINVAL;
if (!rate)
return -EINVAL;
- priv->rate = rate;
- return 0;
-}
-ulong sandbox_get_periph_rate(struct udevice *dev, int periph)
-{
- struct sandbox_clk_priv *priv = dev_get_priv(dev);
+ old_rate = priv->rate[clk->id];
+ priv->rate[clk->id] = rate;
- if (periph < PERIPH_ID_FIRST || periph >= PERIPH_ID_COUNT)
- return -EINVAL;
- return priv->periph_rate[periph];
+ return old_rate;
}
-ulong sandbox_set_periph_rate(struct udevice *dev, int periph, ulong rate)
+static int sandbox_clk_enable(struct clk *clk)
{
- struct sandbox_clk_priv *priv = dev_get_priv(dev);
- ulong old_rate;
+ struct sandbox_clk_priv *priv = dev_get_priv(clk->dev);
- if (periph < PERIPH_ID_FIRST || periph >= PERIPH_ID_COUNT)
+ if (clk->id >= SANDBOX_CLK_ID_COUNT)
return -EINVAL;
- old_rate = priv->periph_rate[periph];
- priv->periph_rate[periph] = rate;
- return old_rate;
+ priv->enabled[clk->id] = true;
+
+ return 0;
}
-static int sandbox_clk_probe(struct udevice *dev)
+static int sandbox_clk_disable(struct clk *clk)
{
- struct sandbox_clk_priv *priv = dev_get_priv(dev);
+ struct sandbox_clk_priv *priv = dev_get_priv(clk->dev);
+
+ if (clk->id >= SANDBOX_CLK_ID_COUNT)
+ return -EINVAL;
- priv->rate = SANDBOX_CLK_RATE;
+ priv->enabled[clk->id] = false;
return 0;
}
static struct clk_ops sandbox_clk_ops = {
.get_rate = sandbox_clk_get_rate,
.set_rate = sandbox_clk_set_rate,
- .get_periph_rate = sandbox_get_periph_rate,
- .set_periph_rate = sandbox_set_periph_rate,
+ .enable = sandbox_clk_enable,
+ .disable = sandbox_clk_disable,
};
static const struct udevice_id sandbox_clk_ids[] = {
.of_match = sandbox_clk_ids,
.ops = &sandbox_clk_ops,
.priv_auto_alloc_size = sizeof(struct sandbox_clk_priv),
- .probe = sandbox_clk_probe,
};
+
+ulong sandbox_clk_query_rate(struct udevice *dev, int id)
+{
+ struct sandbox_clk_priv *priv = dev_get_priv(dev);
+
+ if (id < 0 || id >= SANDBOX_CLK_ID_COUNT)
+ return -EINVAL;
+
+ return priv->rate[id];
+}
+
+int sandbox_clk_query_enable(struct udevice *dev, int id)
+{
+ struct sandbox_clk_priv *priv = dev_get_priv(dev);
+
+ if (id < 0 || id >= SANDBOX_CLK_ID_COUNT)
+ return -EINVAL;
+
+ return priv->enabled[id];
+}