[PATCH 1/6] clk: actions: Introduce dummy get/set_rate callbacks

Amit Singh Tomar
2020-12-13T10:08:31Z

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@gmail.com>
---
drivers/clk/owl/clk_owl.c | 28 ++++++++++++++++++++++++++++
1 file changed, 28 insertions(+)

diff --git a/drivers/clk/owl/clk_owl.c b/drivers/clk/owl/clk_owl.c
index 1999c87..c9bc5c2 100644
--- a/drivers/clk/owl/clk_owl.c
+++ b/drivers/clk/owl/clk_owl.c
@@ -128,6 +128,32 @@ int owl_clk_disable(struct clk *clk)
return 0;
}

+static ulong owl_clk_get_rate(struct clk *clk)
+{
+ struct owl_clk_priv *priv = dev_get_priv(clk->dev);
+ ulong rate;
+
+ switch (clk->id) {
+ default:
+ return -ENOENT;
+ }
+
+ return rate;
+}
+
+static ulong owl_clk_set_rate(struct clk *clk, ulong rate)
+{
+ struct owl_clk_priv *priv = dev_get_priv(clk->dev);
+ 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 +171,8 @@ 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[] = {
--
2.7.4