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feat(nxp-clk): add get_rate for clock muxes

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From the get rate callback perspective, all types of clock muxes should
return the frequency of the selected source, regardless of whether it is
an MC_CGM or PLL mux.

Change-Id: I24ae821013b0844e4d62793fde12b53b043a9776
Signed-off-by: Ghennadi Procopciuc <ghennadi.procopciuc@nxp.com>
This commit is contained in:
Ghennadi Procopciuc 2025-01-13 11:49:55 +02:00
parent a762c50579
commit d1567da68d
1 changed files with 29 additions and 0 deletions
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29
drivers/nxp/clk/s32cc/s32cc_clk_drv.c
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@ -1454,6 +1454,29 @@ static int set_mux_freq(const struct s32cc_clk_obj *module, unsigned long rate,
return set_module_rate(&clk->desc, rate, orate, depth);
}
static int get_mux_freq(const struct s32cc_clk_obj *module,
const struct s32cc_clk_drv *drv,
unsigned long *rate, unsigned int depth)
{
const struct s32cc_clkmux *mux = s32cc_obj2clkmux(module);
const struct s32cc_clk *clk = s32cc_get_arch_clk(mux->source_id);
unsigned int ldepth = depth;
int ret;
ret = update_stack_depth(&ldepth);
if (ret != 0) {
return ret;
}
if (clk == NULL) {
ERROR("Mux (id:%" PRIu8 ") without a valid source (%lu)\n",
mux->index, mux->source_id);
return -EINVAL;
}
return get_clk_freq(&clk->desc, drv, rate, ldepth);
}
static int set_dfs_div_freq(const struct s32cc_clk_obj *module, unsigned long rate,
unsigned long *orate, unsigned int *depth)
{
@ -1638,6 +1661,12 @@ static int get_module_rate(const struct s32cc_clk_obj *module,
case s32cc_pll_out_div_t:
ret = get_pll_div_freq(module, drv, rate, ldepth);
break;
case s32cc_clkmux_t:
ret = get_mux_freq(module, drv, rate, ldepth);
break;
case s32cc_shared_clkmux_t:
ret = get_mux_freq(module, drv, rate, ldepth);
break;
default:
ret = -EINVAL;
break;