diff options
| author |   Daniel Mack <daniel@zonque.org> | 2022-01-25 10:33:34 +0100 |
|---|---|---|
| committer |   Stephen Boyd <sboyd@kernel.org> | 2022-01-25 14:23:16 -0800 |
| commit | b83688258605900413dd6c85ac9278eea3bda614 (patch) | |
| tree | fa8b729c5d3e8aef0ae8f248c8181e2dfcc4837b /drivers/clk/clk-cs2000-cp.c | |
| parent | clk: cs2000-cp: add support for dynamic mode (diff) | |
| download | wireguard-linux-b83688258605900413dd6c85ac9278eea3bda614.tar.xz wireguard-linux-b83688258605900413dd6c85ac9278eea3bda614.zip | |
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>
Diffstat (limited to 'drivers/clk/clk-cs2000-cp.c')
| -rw-r--r-- | drivers/clk/clk-cs2000-cp.c | 5 |
1 files changed, 4 insertions, 1 deletions
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) |