clk: cs2000-cp: make clock skip setting configurable

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>
Link: https://lore.kernel.org/r/20220125093336.226787-8-daniel@zonque.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>

Author: zonque

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)