[PATCH v5 7/9] clk: cs2000-cp: make clock skip setting configurable

Daniel Mack
2021-09-01T09:36:41Z

The clock skip function of this chip is not necessarily desirable in
all hardware appliances. This patch makes the feature configurable
through a device-tree property.

Signed-off-by: Daniel Mack <daniel@zonque.org>
---
drivers/clk/clk-cs2000-cp.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/clk/clk-cs2000-cp.c b/drivers/clk/clk-cs2000-cp.c
index bd030e156d65..9f99e39b41f2 100644
--- a/drivers/clk/clk-cs2000-cp.c
+++ b/drivers/clk/clk-cs2000-cp.c
@@ -81,6 +81,7 @@ struct cs2000_priv {

bool dynamic_mode;
bool lf_ratio;
+ bool clk_skip;

/* suspend/resume */
unsigned long saved_rate;
@@ -133,7 +134,7 @@ static int cs2000_enable_dev_config(struct cs2000_priv *priv, bool enable)
return ret;

ret = cs2000_bset(priv, FUNC_CFG1, CLKSKIPEN,
- enable ? CLKSKIPEN : 0);
+ (enable && priv->clk_skip) ? CLKSKIPEN : 0);
if (ret < 0)
return ret;

@@ -464,6 +465,8 @@ static int cs2000_clk_register(struct cs2000_priv *priv)
if (ret < 0)
return ret;

+ priv->clk_skip = of_property_read_bool(np, "cirrus,clock-skip");
+
ref_clk_rate = clk_get_rate(priv->ref_clk);
ret = cs2000_ref_clk_bound_rate(priv, ref_clk_rate);
if (ret < 0)
--
2.31.1