phy: fsl-imx8mq-usb: fix phy_tx_vboost_level_from_property()
commit b15ee09ddb987a122e74fb0fdf1bd6e864959fd3 upstream.
The description of TX_VBOOST_LVL is wrong in register PHY_CTRL3
bit[31:29].
The updated description as below:
011: Corresponds to a launch amplitude of 0.844 V.
100: Corresponds to a launch amplitude of 1.008 V.
101: Corresponds to a launch amplitude of 1.156 V.
This will fix the parsing function
phy_tx_vboost_level_from_property() to return correct value.
Fixes: 63c85ad0cd
("phy: fsl-imx8mp-usb: add support for phy tuning")
Cc: stable@vger.kernel.org
Reviewed-by: Jun Li <jun.li@nxp.com>
Signed-off-by: Xu Yang <xu.yang_2@nxp.com>
Link: https://lore.kernel.org/r/20250430094502.2723983-3-xu.yang_2@nxp.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
committed by
Greg Kroah-Hartman
parent
83a692a979
commit
b1bf167f46
@@ -95,12 +95,12 @@ static u32 phy_tx_preemp_amp_tune_from_property(u32 microamp)
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static u32 phy_tx_vboost_level_from_property(u32 microvolt)
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{
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switch (microvolt) {
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case 0 ... 960:
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return 0;
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case 961 ... 1160:
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return 2;
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default:
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case 1156:
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return 5;
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case 844:
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return 3;
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default:
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return 4;
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}
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}
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