diff options
Diffstat (limited to 'drivers/clk')
| -rw-r--r-- | drivers/clk/at91/pmc.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/drivers/clk/at91/pmc.c b/drivers/clk/at91/pmc.c index 0f8b3add1b04..db24539d5740 100644 --- a/drivers/clk/at91/pmc.c +++ b/drivers/clk/at91/pmc.c @@ -19,6 +19,8 @@ #include <asm/proc-fns.h> +#include <dt-bindings/clock/at91.h> + #include "pmc.h" #define PMC_MAX_IDS 128 @@ -47,6 +49,38 @@ int of_at91_get_clk_range(struct device_node *np, const char *propname, } EXPORT_SYMBOL_GPL(of_at91_get_clk_range); +struct clk_hw *of_clk_hw_pmc_get(struct of_phandle_args *clkspec, void *data) +{ + unsigned int type = clkspec->args[0]; + unsigned int idx = clkspec->args[1]; + struct pmc_data *pmc_data = data; + + switch (type) { + case PMC_TYPE_CORE: + if (idx < pmc_data->ncore) + return pmc_data->chws[idx]; + break; + case PMC_TYPE_SYSTEM: + if (idx < pmc_data->nsystem) + return pmc_data->shws[idx]; + break; + case PMC_TYPE_PERIPHERAL: + if (idx < pmc_data->nperiph) + return pmc_data->phws[idx]; + break; + case PMC_TYPE_GCK: + if (idx < pmc_data->ngck) + return pmc_data->ghws[idx]; + break; + default: + break; + } + + pr_err("%s: invalid type (%u) or index (%u)\n", __func__, type, idx); + + return ERR_PTR(-EINVAL); +} + void pmc_data_free(struct pmc_data *pmc_data) { kfree(pmc_data->chws); |