diff options
| author | Alexandre Belloni <alexandre.belloni@bootlin.com> | 2018-10-16 17:21:45 +0300 |
|---|---|---|
| committer | Stephen Boyd <sboyd@kernel.org> | 2018-10-17 20:44:33 +0300 |
| commit | b00cd8e41979267e067ad858b62b5e8b1b94c945 (patch) | |
| tree | 1e8f5055f18b928305e99b005473f473f1b26e3e /drivers/clk/at91/pmc.h | |
| parent | b2e39dc0bb8107341f6f704472e79fd32d0cef25 (diff) | |
| download | linux-b00cd8e41979267e067ad858b62b5e8b1b94c945.tar.xz | |
clk: at91: add pmc_data struct and helpers
Add a new strut to handle references to all the PMC clocks and implement
allocation/free helpers.
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Diffstat (limited to 'drivers/clk/at91/pmc.h')
| -rw-r--r-- | drivers/clk/at91/pmc.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/clk/at91/pmc.h b/drivers/clk/at91/pmc.h index 3dc50267a458..672a79bda88c 100644 --- a/drivers/clk/at91/pmc.h +++ b/drivers/clk/at91/pmc.h @@ -19,6 +19,17 @@ extern spinlock_t pmc_pcr_lock; +struct pmc_data { + unsigned int ncore; + struct clk_hw **chws; + unsigned int nsystem; + struct clk_hw **shws; + unsigned int nperiph; + struct clk_hw **phws; + unsigned int ngck; + struct clk_hw **ghws; +}; + struct clk_range { unsigned long min; unsigned long max; @@ -69,6 +80,12 @@ extern const struct clk_programmable_layout at91rm9200_programmable_layout; extern const struct clk_programmable_layout at91sam9g45_programmable_layout; extern const struct clk_programmable_layout at91sam9x5_programmable_layout; +#define ndck(a, s) (a[s - 1].id + 1) +#define nck(a) (a[ARRAY_SIZE(a) - 1].id + 1) +struct pmc_data *pmc_data_allocate(unsigned int ncore, unsigned int nsystem, + unsigned int nperiph, unsigned int ngck); +void pmc_data_free(struct pmc_data *pmc_data); + int of_at91_get_clk_range(struct device_node *np, const char *propname, struct clk_range *range); |