From: Radhey Shyam Pandey Date: Tue, 2 Sep 2025 07:56:19 +0000 (+0200) Subject: arm64: zynqmp: Revert usb node drive strength and slew rate for zcu106 X-Git-Tag: v6.18-rc1~147^2~29^2~3 X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=767ecf9da7b31e5c0c22c273001cb2784705fe8c;p=thirdparty%2Flinux.git arm64: zynqmp: Revert usb node drive strength and slew rate for zcu106 On a few zcu106 boards USB devices (Dell MS116 USB Optical Mouse, Dell USB Entry Keyboard) are not enumerated on linux boot due to commit 'b8745e7eb488 ("arm64: zynqmp: Fix usb node drive strength and slew rate")'. To fix it as a workaround revert to working version and then investigate at board level why drive strength from 12mA to 4mA and slew from fast to slow is not working. Signed-off-by: Radhey Shyam Pandey Signed-off-by: Michal Simek Link: https://lore.kernel.org/r/85a70cb014ec1f07972fccb60b875596eeaa6b5c.1756799774.git.michal.simek@amd.com --- diff --git a/arch/arm64/boot/dts/xilinx/zynqmp-zcu106-revA.dts b/arch/arm64/boot/dts/xilinx/zynqmp-zcu106-revA.dts index cd132abf6e00c..7f6c87d4d77e1 100644 --- a/arch/arm64/boot/dts/xilinx/zynqmp-zcu106-revA.dts +++ b/arch/arm64/boot/dts/xilinx/zynqmp-zcu106-revA.dts @@ -808,8 +808,8 @@ pins = "MIO54", "MIO56", "MIO57", "MIO58", "MIO59", "MIO60", "MIO61", "MIO62", "MIO63"; bias-disable; - drive-strength = <4>; - slew-rate = ; + drive-strength = <12>; + slew-rate = ; }; };