diff options
Diffstat (limited to 'drivers/clk/renesas')
| -rw-r--r-- | drivers/clk/renesas/clk-r8a7778.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/clk/renesas/clk-r8a7778.c b/drivers/clk/renesas/clk-r8a7778.c index 40e3a501a50e..07ea411098a7 100644 --- a/drivers/clk/renesas/clk-r8a7778.c +++ b/drivers/clk/renesas/clk-r8a7778.c @@ -12,6 +12,7 @@ #include <linux/clk/renesas.h> #include <linux/of_address.h> #include <linux/slab.h> +#include <linux/soc/renesas/rcar-rst.h> struct r8a7778_cpg { struct clk_onecell_data data; @@ -83,6 +84,18 @@ static void __init r8a7778_cpg_clocks_init(struct device_node *np) struct clk **clks; unsigned int i; int num_clks; + u32 mode; + + if (rcar_rst_read_mode_pins(&mode)) + return; + + BUG_ON(!(mode & BIT(19))); + + cpg_mode_rates = (!!(mode & BIT(18)) << 2) | + (!!(mode & BIT(12)) << 1) | + (!!(mode & BIT(11))); + cpg_mode_divs = (!!(mode & BIT(2)) << 1) | + (!!(mode & BIT(1))); num_clks = of_property_count_strings(np, "clock-output-names"); if (num_clks < 0) { |
