Re: [PATCH 03/11] clk: qcom: ipq5210: add 24MHz rate for USB UTMI clock
From: Abel Vesa
Date: Mon Sep 21 2026 - 08:15:53 EST
On 26-09-21 11:49:36, 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: 844be6e24afd ("clk: qcom: add Global Clock controller (GCC) driver for IPQ5210 SoC")
> Signed-off-by: Kathiravan Thirumoorthy <kathiravan.thirumoorthy@xxxxxxxxxxxxxxxx>
Reviewed-by: Abel Vesa <abel.vesa@xxxxxxxxxxxxxxxx>