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Mon, 24 Jun 2024 04:20:37 -0700 (PDT) MIME-Version: 1.0 References: <20240617-usb-phy-gs101-v3-0-b66de9ae7424@linaro.org> <20240617-usb-phy-gs101-v3-2-b66de9ae7424@linaro.org> In-Reply-To: <20240617-usb-phy-gs101-v3-2-b66de9ae7424@linaro.org> From: Peter Griffin Date: Mon, 24 Jun 2024 12:20:26 +0100 Message-ID: Subject: Re: [PATCH v3 2/6] phy: exynos5-usbdrd: support isolating HS and SS ports independently To: =?UTF-8?Q?Andr=C3=A9_Draszik?= Cc: Vinod Koul , Kishon Vijay Abraham I , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Marek Szyprowski , Sylwester Nawrocki , Alim Akhtar , Sam Protsenko , Krzysztof Kozlowski , Tudor Ambarus , Will McVicker , Roy Luo , kernel-team@android.com, linux-phy@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240624_042039_537633_C1932392 X-CRM114-Status: GOOD ( 12.92 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi Andr=C3=A9, On Mon, 17 Jun 2024 at 17:45, Andr=C3=A9 Draszik = wrote: > > Some versions of this IP have been integrated using separate PMU power > control registers for the HS and SS parts. One example is the Google > Tensor gs101 SoC. > > Such SoCs can now set pmu_offset_usbdrd0_phy_ss in their > exynos5_usbdrd_phy_drvdata for the SS phy to the appropriate value. > > The existing 'usbdrdphy' alias can not be used in this case because > that is meant for determining the correct PMU offset if multiple > distinct PHYs exist in the system (as opposed to one PHY with multiple > isolators). > > Signed-off-by: Andr=C3=A9 Draszik > > --- Reviewed-by: Peter Griffin and Tested-by: Peter Griffin Tested using my Pixel 6 pro device. USB comes up and it is possible to use adb from the host to the phone regards, Peter [..]