diff options
Diffstat (limited to 'drivers/clk/ti')
-rw-r--r-- | drivers/clk/ti/clk.c | 21 | ||||
-rw-r--r-- | drivers/clk/ti/clock.h | 2 | ||||
-rw-r--r-- | drivers/clk/ti/clockdomain.c | 2 |
3 files changed, 25 insertions, 0 deletions
diff --git a/drivers/clk/ti/clk.c b/drivers/clk/ti/clk.c index 5baea03..58b83e0 100644 --- a/drivers/clk/ti/clk.c +++ b/drivers/clk/ti/clk.c @@ -33,6 +33,27 @@ static struct device_node *clocks_node_ptr[CLK_MAX_MEMMAPS]; struct ti_clk_features ti_clk_features; /** + * ti_clk_setup_ll_ops - setup low level clock operations + * @ops: low level clock ops descriptor + * + * Sets up low level clock operations for TI clock driver. This is used + * to provide various callbacks for the clock driver towards platform + * specific code. Returns 0 on success, -EBUSY if ll_ops have been + * registered already. + */ +int ti_clk_setup_ll_ops(struct ti_clk_ll_ops *ops) +{ + if (ti_clk_ll_ops) { + pr_err("Attempt to register ll_ops multiple times.\n"); + return -EBUSY; + } + + ti_clk_ll_ops = ops; + + return 0; +} + +/** * ti_dt_clocks_register - register DT alias clocks during boot * @oclks: list of clocks to register * diff --git a/drivers/clk/ti/clock.h b/drivers/clk/ti/clock.h index 3c43125..d4d232fd 100644 --- a/drivers/clk/ti/clock.h +++ b/drivers/clk/ti/clock.h @@ -280,4 +280,6 @@ long omap4_dpll_regm4xen_determine_rate(struct clk_hw *hw, unsigned long *best_parent_rate, struct clk_hw **best_parent_clk); +extern struct ti_clk_ll_ops *ti_clk_ll_ops; + #endif diff --git a/drivers/clk/ti/clockdomain.c b/drivers/clk/ti/clockdomain.c index 61ef87b..80a7b69 100644 --- a/drivers/clk/ti/clockdomain.c +++ b/drivers/clk/ti/clockdomain.c @@ -21,6 +21,8 @@ #include <linux/of_address.h> #include <linux/clk/ti.h> +#include "clock.h" + #undef pr_fmt #define pr_fmt(fmt) "%s: " fmt, __func__ |