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This reverts commit278407a53c. The original change breaks USB config on Raspberry Pi Zero and Pi 4 B, because it exceeds the total fifo size of 4080. A naive attempt to reduce g-tx-fifo-size doesn't help on Raspberry Pi Zero. So better go back. Fixes:278407a53c("ARM: dts: bcm283x: increase dwc2's RX FIFO size") Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com> Cc: Pavel Hofman <pavel.hofman@ivitera.com> Link: https://lore.kernel.org/r/1622293371-5997-1-git-send-email-stefan.wahren@i2se.com Signed-off-by: Nicolas Saenz Julienne <nsaenz@kernel.org>
11 lines
265 B
Text
11 lines
265 B
Text
// SPDX-License-Identifier: GPL-2.0
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&usb {
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dr_mode = "otg";
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g-rx-fifo-size = <256>;
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g-np-tx-fifo-size = <32>;
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/*
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* According to dwc2 the sum of all device EP
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* fifo sizes shouldn't exceed 3776 bytes.
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*/
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g-tx-fifo-size = <256 256 512 512 512 768 768>;
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};
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