The SCLK_UART4_PMU clocks is used as reference clock for UART4 block.

Add simple support to get rate of SCLK_UART4_PMU clocks to fix reference clock period configuration.

Signed-off-by: xiaofengvskuye xiaofengvskuye@hotmail.com --- drivers/clk/rockchip/clk_rk3399.c | 3 +++ 1 file changed, 3 insertions(+)

diff --git a/drivers/clk/rockchip/clk_rk3399.c b/drivers/clk/rockchip/clk_rk3399.c index c37e8a53a2..41eb13533a 100644 --- a/drivers/clk/rockchip/clk_rk3399.c +++ b/drivers/clk/rockchip/clk_rk3399.c @@ -1563,6 +1563,9 @@ static ulong rk3399_pmuclk_get_rate(struct clk *clk) case SCLK_I2C8_PMU: rate = rk3399_i2c_get_pmuclk(priv->pmucru, clk->id); break; + case SCLK_UART4_PMU: + return 24000000; + break; default: return -ENOENT; }