From: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
To: contact@alex-min.fr, Bjorn Andersson <andersson@kernel.org>,
Konrad Dybcio <konradybcio@kernel.org>,
Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>,
MyungJoo Ham <myungjoo.ham@samsung.com>,
Chanwoo Choi <cw00.choi@samsung.com>,
Guru Das Srinagesh <linux@gurudas.dev>,
Linus Walleij <linusw@kernel.org>,
Rob Clark <robin.clark@oss.qualcomm.com>,
Joerg Roedel <joro@8bytes.org>, Will Deacon <will@kernel.org>,
Robin Murphy <robin.murphy@arm.com>, Kees Cook <kees@kernel.org>,
Tony Luck <tony.luck@intel.com>,
"Guilherme G. Piccoli" <gpiccoli@igalia.com>
Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-gpio@vger.kernel.org,
iommu@lists.linux.dev
Subject: Re: [PATCH 6/8] ARM: dts: qcom: apq8064: Fix USB controller clocks
Date: Tue, 21 Apr 2026 14:52:48 +0200 [thread overview]
Message-ID: <023375c1-d2ce-472e-8a82-1cb013d31de7@oss.qualcomm.com> (raw)
In-Reply-To: <20260421-mainline-send-v1-sending-v1-6-bcb0857724de@alex-min.fr>
On 4/21/26 11:45 AM, Alexandre MINETTE via B4 Relay wrote:
> From: Alexandre MINETTE <contact@alex-min.fr>
>
> The APQ8064 HS USB controller nodes describe the transceiver clock as
> "core", but the ChipIdea MSM glue expects "core" to be the controller
> fabric clock and "fs" to be the transceiver clock.
>
> This mismatch can leave the fabric clock disabled while the controller is
> accessed. Some boards may tolerate that if the clock is already enabled
> elsewhere, but it is not a correct description of the hardware.
>
> Describe the RPM Daytona fabric clock as "core", the AHB clock as
> "iface", and the transceiver clock as "fs" for all APQ8064 HS USB
> controllers. Without this, USB does not probe reliably on Samsung Galaxy
> S4 because the fabric clock remains disabled.
>
> Signed-off-by: Alexandre MINETTE <contact@alex-min.fr>
> ---
Acked-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Konrad
next prev parent reply other threads:[~2026-04-21 12:52 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-04-21 9:45 [PATCH 0/8] Add Samsung Galaxy S4 support Alexandre MINETTE via B4 Relay
2026-04-21 9:45 ` [PATCH 1/8] dt-bindings: arm: qcom: Add Samsung Galaxy S4 Alexandre MINETTE via B4 Relay
2026-04-21 9:45 ` [PATCH 2/8] dt-bindings: extcon: qcom,pm8941-misc: Add PM8921 compatible Alexandre MINETTE via B4 Relay
2026-04-21 10:03 ` Konrad Dybcio
2026-04-21 9:45 ` [PATCH 3/8] pinctrl: qcom: Register functions before enabling pinctrl Alexandre MINETTE via B4 Relay
2026-04-21 9:45 ` [PATCH 4/8] iommu/msm: Look up masters per IOMMU instance Alexandre MINETTE via B4 Relay
2026-04-21 9:45 ` [PATCH 5/8] extcon: qcom-spmi-misc: Add PM8921 compatible Alexandre MINETTE via B4 Relay
2026-04-21 9:45 ` [PATCH 6/8] ARM: dts: qcom: apq8064: Fix USB controller clocks Alexandre MINETTE via B4 Relay
2026-04-21 12:52 ` Konrad Dybcio [this message]
2026-04-21 9:45 ` [PATCH 7/8] ARM: dts: qcom: pm8921: Add USB ID extcon Alexandre MINETTE via B4 Relay
2026-04-21 9:45 ` [PATCH 8/8] ARM: dts: qcom: Add Samsung Galaxy S4 Alexandre MINETTE via B4 Relay
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