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ARM: dts: msm: Add limit rate on G4 for Lahaina rumi

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This patch limits the HS-G4 rate to rate-B for rumi
platforms.
RUMI doesn't function properly to rate-A.
Hence, limit the rate to B.

Change-Id: I750cd4ae3bde5cee4817af6965189b62b0d83681
This commit is contained in:
Asutosh Das 2019-12-10 15:03:09 -08:00
commit 2ffdfeb80f
2 changed files with 3 additions and 1 deletions
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3
bindings/ufs/ufs-qcom.txt
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@ -32,7 +32,8 @@ Optional properties:
- vddp-ref-clk-supply : phandle to UFS device ref_clk pad power supply
- vddp-ref-clk-max-microamp : specifies max. load that can be drawn from this supply
- resets : specifies the PHY reset in the UFS controller
- limit-rate : specifies if the rate has to be limited to A or B.
1 = rate B, 0 = rate A.
Example:
ufsphy1: ufsphy@fc597000 {

1
qcom/lahaina-rumi.dtsi
View file

@ -14,6 +14,7 @@
&ufshc_mem {
limit-tx-hs-gear = <1>;
limit-rx-hs-gear = <1>;
limit-rate = <1>;
vdd-hba-supply = <&gcc_ufs_phy_gdsc>;
vdd-hba-fixed-regulator;