Re: [PATCH 01/11] clk: qcom: ipq5018: add 24MHz rate for USB UTMI clock
From: Abel Vesa
Date: Mon Sep 21 2026 - 08:07:44 EST
On 26-09-21 11:49:34, Kathiravan Thirumoorthy wrote:
> The USB UTMI reference clock must operate at 24 MHz, as recommended
> by the hardware team, for reliable USB operation.
>
> Validation showed that USB 3.2 hub enumeration with USB 2.0 devices
> fails when the UTMI reference clock is not configured to the required
> 24 MHz rate. Configuring the UTMI reference clock to 24 MHz to resolve
> the enumeration failure and ensure successful device detection.
>
> Cc: stable@xxxxxxxxxxxxxxx
> Fixes: e3fdbef1bab8 ("clk: qcom: Add Global Clock controller (GCC) driver for IPQ5018")
> Signed-off-by: Kathiravan Thirumoorthy <kathiravan.thirumoorthy@xxxxxxxxxxxxxxxx>
Reviewed-by: Abel Vesa <abel.vesa@xxxxxxxxxxxxxxxx>