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clk: ti: Use clock-output-names for clkctrl

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Use clock-output-names devicetree property for clkctrl clocks if
available.

Signed-off-by: Tony Lindgren <tony@atomide.com>
Link: https://lore.kernel.org/r/20220204071449.16762-6-tony@atomide.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
This commit is contained in:
Tony Lindgren 2022-02-04 09:14:46 +02:00 committed by Stephen Boyd
parent 51f661ef9a
commit d02747e989
1 changed files with 20 additions and 2 deletions
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22
drivers/clk/ti/clkctrl.c
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@ -469,14 +469,32 @@ static void __init _clkctrl_add_provider(void *data,
of_clk_add_hw_provider(np, _ti_omap4_clkctrl_xlate, data);
}
/* Get clock name based on compatible string for clkctrl */
static char * __init clkctrl_get_name(struct device_node *np)
/*
* Get clock name based on "clock-output-names" property or the
* compatible property for clkctrl.
*/
static const char * __init clkctrl_get_name(struct device_node *np)
{
struct property *prop;
const int prefix_len = 11;
const char *compat;
const char *output;
char *name;
if (!of_property_read_string_index(np, "clock-output-names", 0,
&output)) {
const char *end;
int len;
len = strlen(output);
end = strstr(output, "_clkctrl");
if (end)
len -= strlen(end);
name = kstrndup(output, len, GFP_KERNEL);
return name;
}
of_property_for_each_string(np, "compatible", prop, compat) {
if (!strncmp("ti,clkctrl-", compat, prefix_len)) {
/* Two letter minimum name length for l3, l4 etc */