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feat(nxp-clk): add get_rate for s32cc_clk

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Add the option to obtain the rate of an s32cc_clk object. s32cc_clk are
usually links to either another s32cc_clk or a different clock module.
Therefore, this function routes the request.

Change-Id: I0c1174cb861d2062882319e46cb6ca97bad70aab
Signed-off-by: Ghennadi Procopciuc <ghennadi.procopciuc@nxp.com>
This commit is contained in:
Ghennadi Procopciuc 2025-01-10 16:33:36 +02:00
parent bd69113663
commit 46de0b9c99
1 changed files with 37 additions and 0 deletions
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37
drivers/nxp/clk/s32cc/s32cc_clk_drv.c
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@ -1062,6 +1062,10 @@ static bool s32cc_clk_is_enabled(unsigned long id)
static int set_module_rate(const struct s32cc_clk_obj *module,
unsigned long rate, unsigned long *orate,
unsigned int *depth);
static int get_module_rate(const struct s32cc_clk_obj *module,
const struct s32cc_clk_drv *drv,
unsigned long *rate,
unsigned int depth);
static int set_osc_freq(const struct s32cc_clk_obj *module, unsigned long rate,
unsigned long *orate, unsigned int *depth)
@ -1138,6 +1142,36 @@ static int set_clk_freq(const struct s32cc_clk_obj *module, unsigned long rate,
return -EINVAL;
}
static int get_clk_freq(const struct s32cc_clk_obj *module,
const struct s32cc_clk_drv *drv, unsigned long *rate,
unsigned int depth)
{
const struct s32cc_clk *clk = s32cc_obj2clk(module);
unsigned int ldepth = depth;
int ret;
ret = update_stack_depth(&ldepth);
if (ret != 0) {
return ret;
}
if (clk == NULL) {
ERROR("Invalid clock\n");
return -EINVAL;
}
if (clk->module != NULL) {
return get_module_rate(clk->module, drv, rate, ldepth);
}
if (clk->pclock == NULL) {
ERROR("Invalid clock parent\n");
return -EINVAL;
}
return get_clk_freq(&clk->pclock->desc, drv, rate, ldepth);
}
static int set_pll_freq(const struct s32cc_clk_obj *module, unsigned long rate,
unsigned long *orate, unsigned int *depth)
{
@ -1354,6 +1388,9 @@ static int get_module_rate(const struct s32cc_clk_obj *module,
case s32cc_osc_t:
ret = get_osc_freq(module, drv, rate, ldepth);
break;
case s32cc_clk_t:
ret = get_clk_freq(module, drv, rate, ldepth);
break;
default:
ret = -EINVAL;
break;