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>

diff --git a/arch/arm/boot/dts/am4372.dtsi b/arch/arm/boot/dts/am4372.dtsi
index 46660ffd2b65bbe90100b2b251b29fb6528afe31..e19068d24737b51dbd73ddf3c8203feff89f916a 100644 (file)
--- 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;
                        };
                };