diff options
author | Wenyou Yang <wenyou.yang@microchip.com> | 2018-02-09 11:34:52 +0800 |
---|---|---|
committer | Tom Rini <trini@konsulko.com> | 2018-03-16 07:30:04 -0400 |
commit | 162a7de5e519eb489003124d3679039d3840435c (patch) | |
tree | 1dc32a00b127aa090356e2d69bca028377902327 /drivers/clk/at91 | |
parent | fed0509c92e0fe29d0ddc9c743719d22c95b7596 (diff) |
clk: at91: clk-system: add set/get_rate operations
To support set/get the clock rate, add set/get_rate operations.
Signed-off-by: Wenyou Yang <wenyou.yang@microchip.com>
Diffstat (limited to 'drivers/clk/at91')
-rw-r--r-- | drivers/clk/at91/clk-system.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/drivers/clk/at91/clk-system.c b/drivers/clk/at91/clk-system.c index 24b271aa18..81fe47a9d7 100644 --- a/drivers/clk/at91/clk-system.c +++ b/drivers/clk/at91/clk-system.c @@ -44,6 +44,30 @@ static inline int is_pck(int id) return (id >= 8) && (id <= 15); } +static ulong system_clk_get_rate(struct clk *clk) +{ + struct clk clk_dev; + int ret; + + ret = clk_get_by_index(clk->dev, 0, &clk_dev); + if (ret) + return -EINVAL; + + return clk_get_rate(&clk_dev); +} + +static ulong system_clk_set_rate(struct clk *clk, ulong rate) +{ + struct clk clk_dev; + int ret; + + ret = clk_get_by_index(clk->dev, 0, &clk_dev); + if (ret) + return -EINVAL; + + return clk_set_rate(&clk_dev, rate); +} + static int system_clk_enable(struct clk *clk) { struct pmc_platdata *plat = dev_get_platdata(clk->dev); @@ -73,6 +97,8 @@ static int system_clk_enable(struct clk *clk) static struct clk_ops system_clk_ops = { .of_xlate = at91_clk_of_xlate, + .get_rate = system_clk_get_rate, + .set_rate = system_clk_set_rate, .enable = system_clk_enable, }; |