diff options
author | Tony Lindgren <tony@atomide.com> | 2022-02-04 08:14:47 +0100 |
---|---|---|
committer | Stephen Boyd <sboyd@kernel.org> | 2022-03-11 03:55:59 +0100 |
commit | 2c1593328d7f02fe49de5ad6b42c36296c9d6922 (patch) | |
tree | 084b6cb830f90ef5fdbe4c93576a00adbb21e399 /drivers/clk/ti | |
parent | clk: ti: Use clock-output-names for clkctrl (diff) | |
download | linux-2c1593328d7f02fe49de5ad6b42c36296c9d6922.tar.xz linux-2c1593328d7f02fe49de5ad6b42c36296c9d6922.zip |
clk: ti: Add ti_dt_clk_name() helper to use clock-output-names
Let's create the clock alias based on the clock-output-names property if
available. Also the component clock drivers can use ti_dt_clk_name() in
the following patches.
Signed-off-by: Tony Lindgren <tony@atomide.com>
Link: https://lore.kernel.org/r/20220204071449.16762-7-tony@atomide.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Diffstat (limited to 'drivers/clk/ti')
-rw-r--r-- | drivers/clk/ti/clk.c | 20 | ||||
-rw-r--r-- | drivers/clk/ti/clock.h | 1 |
2 files changed, 20 insertions, 1 deletions
diff --git a/drivers/clk/ti/clk.c b/drivers/clk/ti/clk.c index 6fcbd801e8f1..3463579220b5 100644 --- a/drivers/clk/ti/clk.c +++ b/drivers/clk/ti/clk.c @@ -448,6 +448,24 @@ static const struct of_device_id simple_clk_match_table[] __initconst = { }; /** + * ti_dt_clk_name - init clock name from first output name or node name + * @np: device node + * + * Use the first clock-output-name for the clock name if found. Fall back + * to legacy naming based on node name. + */ +const char *ti_dt_clk_name(struct device_node *np) +{ + const char *name; + + if (!of_property_read_string_index(np, "clock-output-names", 0, + &name)) + return name; + + return np->name; +} + +/** * ti_clk_add_aliases - setup clock aliases * * Sets up any missing clock aliases. No return value. @@ -463,7 +481,7 @@ void __init ti_clk_add_aliases(void) clkspec.np = np; clk = of_clk_get_from_provider(&clkspec); - ti_clk_add_alias(NULL, clk, np->name); + ti_clk_add_alias(NULL, clk, ti_dt_clk_name(np)); } } diff --git a/drivers/clk/ti/clock.h b/drivers/clk/ti/clock.h index f1dd62de2bfc..938f34e290ed 100644 --- a/drivers/clk/ti/clock.h +++ b/drivers/clk/ti/clock.h @@ -214,6 +214,7 @@ struct clk *ti_clk_register(struct device *dev, struct clk_hw *hw, const char *con); struct clk *ti_clk_register_omap_hw(struct device *dev, struct clk_hw *hw, const char *con); +const char *ti_dt_clk_name(struct device_node *np); int ti_clk_add_alias(struct device *dev, struct clk *clk, const char *con); void ti_clk_add_aliases(void); |