From: Chunfeng Yun <chunfeng.yun@mediatek.com>
Date: Thu, 9 Jan 2020 03:35:10 +0000 (+0800)
Subject: phy: phy-mtk-tphy: make ref clock optional
X-Git-Tag: v2020.10~413^2~10
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=ce0069ed9599d6e42f89b272f618c305fad039e3;p=platform%2Fkernel%2Fu-boot.git

phy: phy-mtk-tphy: make ref clock optional

If make the ref clock optional, no need refer to fixed-clock when
the ref clock is always on or comes from oscillator directly.

Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Ryder Lee <ryder.lee@mediatek.com>
---

diff --git a/drivers/phy/phy-mtk-tphy.c b/drivers/phy/phy-mtk-tphy.c
index c4fb404..fd33062 100644
--- a/drivers/phy/phy-mtk-tphy.c
+++ b/drivers/phy/phy-mtk-tphy.c
@@ -338,7 +338,8 @@ static int mtk_tphy_probe(struct udevice *dev)
 		tphy->phys[index] = instance;
 		index++;
 
-		err = clk_get_by_index_nodev(subnode, 0, &instance->ref_clk);
+		err = clk_get_optional_nodev(subnode, "ref",
+					     &instance->ref_clk);
 		if (err)
 			return err;
 	}