clk: rockchip: rk3399: Add SCLK_USB3OTGx_REF support
The SCLK_USB3OTGx_REF clocks is used as reference clock for USB3 block.
Add simple support to get rate of SCLK_USB3OTGx_REF clocks to fix
reference clock period configuration.
Also replace use of 24000000 with the OSC_HZ constant.
Signed-off-by: Jonas Karlman <jonas@kwiboo.se>
Reviewed-by: Quentin Schulz <quentin.schulz@theobroma-systems.com>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
diff --git a/drivers/clk/rockchip/clk_rk3399.c b/drivers/clk/rockchip/clk_rk3399.c
index 0b32236..67b2c05 100644
--- a/drivers/clk/rockchip/clk_rk3399.c
+++ b/drivers/clk/rockchip/clk_rk3399.c
@@ -976,7 +976,9 @@
case SCLK_UART1:
case SCLK_UART2:
case SCLK_UART3:
- return 24000000;
+ case SCLK_USB3OTG0_REF:
+ case SCLK_USB3OTG1_REF:
+ return OSC_HZ;
case PCLK_HDMI_CTRL:
break;
case DCLK_VOP0: