diff options
Diffstat (limited to 'drivers/clk/rockchip/clk_rk3328.c')
| -rw-r--r-- | drivers/clk/rockchip/clk_rk3328.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/clk/rockchip/clk_rk3328.c b/drivers/clk/rockchip/clk_rk3328.c index 2065a8a65b..c3a6650de0 100644 --- a/drivers/clk/rockchip/clk_rk3328.c +++ b/drivers/clk/rockchip/clk_rk3328.c @@ -412,9 +412,9 @@ static ulong rk3328_mmc_get_clk(struct rk3328_cru *cru, uint clk_id) if ((con & CLK_EMMC_PLL_MASK) >> CLK_EMMC_PLL_SHIFT == CLK_EMMC_PLL_SEL_24M) - return DIV_TO_RATE(OSC_HZ, div); + return DIV_TO_RATE(OSC_HZ, div) / 2; else - return DIV_TO_RATE(GPLL_HZ, div); + return DIV_TO_RATE(GPLL_HZ, div) / 2; } static ulong rk3328_mmc_set_clk(struct rk3328_cru *cru, @@ -436,11 +436,12 @@ static ulong rk3328_mmc_set_clk(struct rk3328_cru *cru, return -EINVAL; } /* Select clk_sdmmc/emmc source from GPLL by default */ - src_clk_div = GPLL_HZ / set_rate; + /* mmc clock defaulg div 2 internal, need provide double in cru */ + src_clk_div = DIV_ROUND_UP(GPLL_HZ / 2, set_rate); if (src_clk_div > 127) { /* use 24MHz source for 400KHz clock */ - src_clk_div = OSC_HZ / set_rate; + src_clk_div = DIV_ROUND_UP(OSC_HZ / 2, set_rate); rk_clrsetreg(&cru->clksel_con[con_id], CLK_EMMC_PLL_MASK | CLK_EMMC_DIV_CON_MASK, CLK_EMMC_PLL_SEL_24M << CLK_EMMC_PLL_SHIFT | |