[PATCH v4 1/6] clk: actions: Introduce dummy get/set_rate callbacks
Amit Singh Tomar
atomar25opensource at gmail.com
Sun Nov 28 12:32:20 CET 2021
From: Amit Singh Tomar <amittomer25 at gmail.com>
This commit introduces get/set_rate callbacks, these are dummy at
the moment, and can be used to get/set clock for various devices
based on the clk id.
Signed-off-by: Amit Singh Tomar <amittomer25 at gmail.com>
---
Changes since v3:
* No changes.
Changes since v2:
* No changes.
Changes since previous version:
* Removed premature initialization to avoid
compiler warnings.
---
drivers/clk/owl/clk_owl.c | 26 ++++++++++++++++++++++++++
1 file changed, 26 insertions(+)
diff --git a/drivers/clk/owl/clk_owl.c b/drivers/clk/owl/clk_owl.c
index 96ab7fed1f37..f78e5fa3f08d 100644
--- a/drivers/clk/owl/clk_owl.c
+++ b/drivers/clk/owl/clk_owl.c
@@ -128,6 +128,30 @@ int owl_clk_disable(struct clk *clk)
return 0;
}
+static ulong owl_clk_get_rate(struct clk *clk)
+{
+ ulong rate;
+
+ switch (clk->id) {
+ default:
+ return -ENOENT;
+ }
+
+ return rate;
+}
+
+static ulong owl_clk_set_rate(struct clk *clk, ulong rate)
+{
+ ulong new_rate;
+
+ switch (clk->id) {
+ default:
+ return -ENOENT;
+ }
+
+ return new_rate;
+}
+
static int owl_clk_probe(struct udevice *dev)
{
struct owl_clk_priv *priv = dev_get_priv(dev);
@@ -145,6 +169,8 @@ static int owl_clk_probe(struct udevice *dev)
static const struct clk_ops owl_clk_ops = {
.enable = owl_clk_enable,
.disable = owl_clk_disable,
+ .get_rate = owl_clk_get_rate,
+ .set_rate = owl_clk_set_rate,
};
static const struct udevice_id owl_clk_ids[] = {
--
2.27.0
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