clk: rockchip: rk3588: Add REF_CLK_USB3OTGx support

The REF_CLK_USB3OTGx clocks is used as reference clock for USB3 block.

Add simple support to get rate of REF_CLK_USB3OTGx clocks to fix
reference clock period configuration.

Signed-off-by: Jonas Karlman <[email protected]>
Reviewed-by: Quentin Schulz <[email protected]>
Acked-by: Sean Anderson <[email protected]>
Reviewed-by: Kever Yang <[email protected]>

1 files changed, 6 insertions, 0 deletions

diff --git a/drivers/clk/rockchip/clk_rk3588.c b/drivers/clk/rockchip/clk_rk3588.c
index 8f33843179b..4c611a39049 100644
--- a/drivers/clk/rockchip/clk_rk3588.c
+++ b/drivers/clk/rockchip/clk_rk3588.c
@@ -1569,6 +1569,9 @@ static ulong rk3588_clk_get_rate(struct clk *clk)
 	case DCLK_DECOM:
 		rate = rk3588_mmc_get_clk(priv, clk->id);
 		break;
+	case REF_CLK_USB3OTG0:
+	case REF_CLK_USB3OTG1:
+	case REF_CLK_USB3OTG2:
 	case TMCLK_EMMC:
 	case TCLK_WDT0:
 		rate = OSC_HZ;
@@ -1734,6 +1737,9 @@ static ulong rk3588_clk_set_rate(struct clk *clk, ulong rate)
 	case DCLK_DECOM:
 		ret = rk3588_mmc_set_clk(priv, clk->id, rate);
 		break;
+	case REF_CLK_USB3OTG0:
+	case REF_CLK_USB3OTG1:
+	case REF_CLK_USB3OTG2:
 	case TMCLK_EMMC:
 	case TCLK_WDT0:
 		ret = OSC_HZ;