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

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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>
This commit is contained in:
Chunfeng Yun 2020-01-09 11:35:10 +08:00 • committed by Tom Rini
parent 3b6351a475
commit ce0069ed95
1 changed files with 2 additions and 1 deletions
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3
drivers/phy/phy-mtk-tphy.c
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@ -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;
}