Re: [PATCH v2 1/3] clk: qcom: gcc-sm8450: Parent the eUSB3 clkref to bi_tcxo

From: Konrad Dybcio

Date: Thu Oct 22 2026 - 03:57:27 EST


On 10/20/26 4:21 PM, Sushmit Singh Rathore wrote:
> gcc_eusb3_0_clkref_en gates the XO reference to the eUSB2 PHY, but it
> has no parent, so its rate reads as 0. On SM8475 the SNPS eUSB2 PHY
> takes this clock as its reference and rejects a 0 Hz rate as
> unsupported, so USB doesn't probe.
>
> Parent it to bi_tcxo, as tcsrcc-sm8550 does for its clkref branches.
>
> Fixes: db0c944ee92b ("clk: qcom: Add clock driver for SM8450")
> Assisted-by: LLM
> Signed-off-by: Sushmit Singh Rathore <sushmit718@xxxxxxxxx>
> ---

Reviewed-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxxxxxxxx>

Konrad