From: Jonas Karlman <jonas@kwiboo.se>
Date: Wed, 1 May 2024 19:23:50 +0000 (+0000)
Subject: clk: rockchip: rk3328: Add SCLK_USB3OTG_REF support
X-Git-Url: http://git.dujemihanovic.xyz/posts?a=commitdiff_plain;h=94e2844c8cb38a7b35d028aa404d8c14372900cc;p=u-boot.git

clk: rockchip: rk3328: Add SCLK_USB3OTG_REF support

The SCLK_USB3OTG_REF clocks is used as reference clock for USB3 block.

Add simple support to get rate of SCLK_USB3OTG_REF clocks to fix
reference clock period configuration.

Signed-off-by: Jonas Karlman <jonas@kwiboo.se>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
---

diff --git a/drivers/clk/rockchip/clk_rk3328.c b/drivers/clk/rockchip/clk_rk3328.c
index 87075ec713..314b903eaa 100644
--- a/drivers/clk/rockchip/clk_rk3328.c
+++ b/drivers/clk/rockchip/clk_rk3328.c
@@ -706,6 +706,9 @@ static ulong rk3328_clk_get_rate(struct clk *clk)
 	case PCLK_HDMIPHY:
 		rate = rk3328_hdmiphy_get_clk(priv->cru);
 		break;
+	case SCLK_USB3OTG_REF:
+		rate = OSC_HZ;
+		break;
 	default:
 		return -ENOENT;
 	}
@@ -780,6 +783,7 @@ static ulong rk3328_clk_set_rate(struct clk *clk, ulong rate)
 	case PCLK_DDR:
 	case ACLK_GMAC:
 	case PCLK_GMAC:
+	case SCLK_USB3OTG_REF:
 	case SCLK_USB3OTG_SUSPEND:
 	case USB480M:
 		return 0;