diff options
Diffstat (limited to 'drivers/spi/mxc_spi.c')
| -rw-r--r-- | drivers/spi/mxc_spi.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/spi/mxc_spi.c b/drivers/spi/mxc_spi.c index c61ab74edcb..553a0315df5 100644 --- a/drivers/spi/mxc_spi.c +++ b/drivers/spi/mxc_spi.c @@ -4,6 +4,7 @@ */ #include <common.h> +#include <clk.h> #include <dm.h> #include <log.h> #include <malloc.h> @@ -617,8 +618,19 @@ static int mxc_spi_probe(struct udevice *bus) if (mxcs->base == FDT_ADDR_T_NONE) return -ENODEV; +#if CONFIG_IS_ENABLED(CLK) + struct clk clk; + ret = clk_get_by_index(bus, 0, &clk); + if (ret) + return ret; + + clk_enable(&clk); + + mxcs->max_hz = clk_get_rate(&clk); +#else mxcs->max_hz = fdtdec_get_int(blob, node, "spi-max-frequency", 20000000); +#endif return 0; } |