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authorFelipe Balbi <balbi@ti.com>2014-11-06 11:32:35 -0600
committerFelipe Balbi <balbi@ti.com>2014-11-10 17:19:23 -0600
commit60f0e628c9940dc59463e986ddfa2c9e74ea89bb (patch)
treef1637091a751c4a236a659b8af3f03da12f8c48d /arch
parentcd72f890d2d344f36d8f51f27bed2607062bb985 (diff)
arm: boot: dts: am4372: enable dwc3 suspend PHY quirk
Whenever Suspend PHY bit is set on AM437x devices, USB will not work due to Set EP Configuration command always failing. This was only found after a recent commit 2164a47 (usb: dwc3: set SUSPHY bit for all cores, which will be merged for v3.19) added a missing *required* step to dwc3 initialization. Synopsys Databook requires that we enable Suspend PHY bit after initialization but that, unfortunately, breaks AM437x. Acked-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/boot/dts/am4372.dtsi4
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/am4372.dtsi b/arch/arm/boot/dts/am4372.dtsi
index 46660ffd2b65..e19068d24737 100644
--- a/arch/arm/boot/dts/am4372.dtsi
+++ b/arch/arm/boot/dts/am4372.dtsi
@@ -817,6 +817,8 @@
maximum-speed = "high-speed";
dr_mode = "otg";
status = "disabled";
+ snps,dis_u3_susphy_quirk;
+ snps,dis_u2_susphy_quirk;
};
};
@@ -839,6 +841,8 @@
maximum-speed = "high-speed";
dr_mode = "otg";
status = "disabled";
+ snps,dis_u3_susphy_quirk;
+ snps,dis_u2_susphy_quirk;
};
};