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ARC: [plat-hsdk]: Add reset controller handle to manage USB reset 

DW USB controller on HSDK hangs sometimes after SW reset, so
add reset handle to make possible to reset DW USB controller HW.

Signed-off-by: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com>
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
hifive-unleashed-5.1
Eugeniy Paltsev 2019-02-15 19:17:33 +03:00 committed by Vineet Gupta
parent ef4c54c340
commit 66f7d3709c
1 changed files with 2 additions and 0 deletions
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2
arch/arc/boot/dts/hsdk.dts
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@ -200,6 +200,7 @@
compatible = "snps,hsdk-v1.0-ohci", "generic-ohci";
reg = <0x60000 0x100>;
interrupts = <15>;
resets = <&cgu_rst HSDK_USB_RESET>;
dma-coherent;
};
@ -207,6 +208,7 @@
compatible = "snps,hsdk-v1.0-ehci", "generic-ehci";
reg = <0x40000 0x100>;
interrupts = <15>;
resets = <&cgu_rst HSDK_USB_RESET>;
dma-coherent;
};