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[35.222.57.144]) by smtp.gmail.com with UTF8SMTPSA id l12-20020a056e021c0c00b003657f6b23e4sm497553ilh.68.2024.02.29.11.54.38 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 29 Feb 2024 11:54:38 -0800 (PST) Date: Thu, 29 Feb 2024 19:54:38 +0000 From: Matthias Kaehlcke To: Javier Carrasco Cc: Liam Girdwood , Mark Brown , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Greg Kroah-Hartman , Helen Koike , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Daniel Vetter , Catalin Marinas , Will Deacon , Russell King , linux-sound@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org Subject: Re: [PATCH v6 9/9] usb: misc: onboard_dev: add support for XMOS XVF3500 Message-ID: References: <20240229-onboard_xvf3500-v6-0-a0aff2947040@wolfvision.net> <20240229-onboard_xvf3500-v6-9-a0aff2947040@wolfvision.net> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20240229-onboard_xvf3500-v6-9-a0aff2947040@wolfvision.net> On Thu, Feb 29, 2024 at 09:34:52AM +0100, Javier Carrasco wrote: > The XMOS XVF3500 VocalFusion Voice Processor[1] is a low-latency, 32-bit > multicore controller for voice processing. > > This device requires a specific power sequence, which consists of > enabling the regulators that control the 3V3 and 1V0 device supplies, > and a reset de-assertion after a delay of at least 100ns. > > Once in normal operation, the XVF3500 registers itself as a USB device, > and it does not require any device-specific operations in the driver. > > [1] https://www.xmos.com/xvf3500/ > > Signed-off-by: Javier Carrasco Acked-by: Matthias Kaehlcke