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h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=0LPjgSf19fzsF4BViUPiF21dBSiq7NMYVukcWBXgO2drb9VJRWQeY+7dvpeCoykAi BFkN6IOUOlb03rW4a84O07xhRfWOi2ZMyTsiHI1oCz/hhGMYoW/9cdwpGl8iZw03Jp GRTPb3oi/8vBg4Ve2qJQRbNkLFWpMeZgRMZ4fdyBj+65RpGCvPrjZyBlRCCFODXQEa o+L3YgJfGPFhYmV7XXJdNi78vY14qnLCfLQ2GobzA2naA5CGH4NEVDlv6GF2Qn7B0B Kt2DKqWRXfS6kp2ka8XEBV0W5dkXPnQ2iuDMccd+IA4K2LpUcJnMBCt/Rg7MkLVpr1 y7ZCjIvekOkyQ== Received: from [100.113.186.2] (cola.collaboradmins.com [195.201.22.229]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: kholk11) by madrid.collaboradmins.com (Postfix) with ESMTPSA id 938653780894; Mon, 15 Apr 2024 08:00:37 +0000 (UTC) Message-ID: <1e62f1eb-f4cb-450f-9345-0a6f1a65468f@collabora.com> Date: Mon, 15 Apr 2024 10:00:36 +0200 Precedence: bulk X-Mailing-List: linux-bluetooth@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v3 1/2] dt-bindings: net: bluetooth: Add MediaTek MT7921S SDIO Bluetooth To: Chen-Yu Tsai , Marcel Holtmann , Luiz Augusto von Dentz , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Matthias Brugger Cc: Sean Wang , linux-bluetooth@vger.kernel.org, netdev@vger.kernel.org, linux-mediatek@lists.infradead.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org References: <20240412073046.1192744-1-wenst@chromium.org> <20240412073046.1192744-2-wenst@chromium.org> From: AngeloGioacchino Del Regno Content-Language: en-US In-Reply-To: <20240412073046.1192744-2-wenst@chromium.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Il 12/04/24 09:30, Chen-Yu Tsai ha scritto: > The MediaTek MT7921S is a WiFi/Bluetooth combo chip that works over > SDIO. WiFi and Bluetooth are separate SDIO functions within the chip. > While the Bluetooth SDIO function is fully discoverable, the chip has > a pin that can reset just the Bluetooth core, as opposed to the full > chip. This should be described in the device tree. > > Add a device tree binding for the Bluetooth SDIO function of the MT7921S > specifically to document the reset line. This binding is based on the MMC > controller binding, which specifies one device node per SDIO function. > > Cc: Sean Wang > Signed-off-by: Chen-Yu Tsai Reviewed-by: AngeloGioacchino Del Regno