diff options
| -rw-r--r-- | drivers/spi/rockchip_sfc.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/drivers/spi/rockchip_sfc.c b/drivers/spi/rockchip_sfc.c index 73738ab26d3..60e74117057 100644 --- a/drivers/spi/rockchip_sfc.c +++ b/drivers/spi/rockchip_sfc.c @@ -108,6 +108,7 @@ #define SFC_VER_3 0x3 #define SFC_VER_4 0x4 #define SFC_VER_5 0x5 +#define SFC_VER_8 0x8 /* Delay line controller resiter */ #define SFC_DLL_CTRL0 0x3C @@ -589,6 +590,16 @@ static int rockchip_sfc_adjust_op_size(struct spi_slave *mem, struct spi_mem_op return 0; } +#if CONFIG_IS_ENABLED(CLK) +static int rockchip_sfc_clk_set_rate(struct rockchip_sfc *sfc, uint speed) +{ + if (sfc->version >= SFC_VER_8) + return clk_set_rate(&sfc->clk, speed * 2); + else + return clk_set_rate(&sfc->clk, speed); +} +#endif + static int rockchip_sfc_set_speed(struct udevice *bus, uint speed) { struct rockchip_sfc *sfc = dev_get_plat(bus); @@ -600,7 +611,7 @@ static int rockchip_sfc_set_speed(struct udevice *bus, uint speed) return 0; #if CONFIG_IS_ENABLED(CLK) - int ret = clk_set_rate(&sfc->clk, speed); + int ret = rockchip_sfc_clk_set_rate(sfc, speed); if (ret < 0) { dev_err(sfc->dev, "set_freq=%dHz fail, check if it's the cru support level\n", |