From nobody Thu Apr 9 18:03:28 2026 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 58977370D5C; Tue, 3 Mar 2026 16:37:46 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772555866; cv=none; b=NTMGQEupXZu+664ilpsL97yQeUnbA/7ZGu/nzXZS27rt0ft5/IUwFi80nsPzIk+eMUQCi3E2kfLtqHd2ACGXaS2C7rJjgu+C3dYaTUQ1OlFdV+9AAh/rP2io7Qm7bd4v9fgmxJTxzSWuZgZ2N0O5eOVFuN7RGeUTek/WiQmxagE= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772555866; c=relaxed/simple; bh=4zCxRWHuSkku0YSduihXnooyBIGPdu7ySKeLPFfTZ40=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=PTwcS9PcH6n7b6YJKC+E8j8r8z5pFOLSFFWsOIWs18lRJlrdc+2C+xoxAqL8S9XVYNE4DKASImFtGuW9tHev4kdQvLo84oF7jqxs/dZoQHWRamtjtNhWglFHvZ4m1B7xYUrP1FBGJQLH3Vj4/66n80HTia0bfq17OUFK9YGG3gE= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=L+PIsnkD; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="L+PIsnkD" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 0AC21C116C6; Tue, 3 Mar 2026 16:37:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1772555866; bh=4zCxRWHuSkku0YSduihXnooyBIGPdu7ySKeLPFfTZ40=; h=From:To:Cc:Subject:Date:From; b=L+PIsnkDLRWMzQhLSe6Aw4kJcPUMaGafo8ac3Pb55w324b0Gp8p+zD+agjL3lcOrz An9/pHCZGP2GME+b9fbPG4nyQqlVNKyQ7UOaXDd8AXXb8rKqDrAE3DJg8FpiI/9UUk KFahwsm1N0WWea/cmzP7pUQy+1m9uhCYX+n3c3GIzP84Vxkyd2YFALuDaQDFFk7bpH fpxMTwCL4DL9ajWIdlNBFYXjYae0fsIcp+XGjjuMlDUfbro/oMWpTfn7yMja7+xgjW SFJhq8G3Dr2vP5G7F3BvRCK6kqB4AulRQs76CjLmavO7FWNMAbUqSYl41EiI4jqBxG rFOSwfAHYPVYg== From: Conor Dooley To: linux-usb@vger.kernel.org Cc: conor@kernel.org, Conor Dooley , Daire McNamara , Greg Kroah-Hartman , Rob Herring , Krzysztof Kozlowski , linux-riscv@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v1] dt-bindings: usb: mpfs-musb: permit resets Date: Tue, 3 Mar 2026 16:37:39 +0000 Message-ID: <20260303-backspace-unhearing-c6cc8cbddbba@spud> X-Mailer: git-send-email 2.51.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=1478; i=conor.dooley@microchip.com; h=from:subject:message-id; bh=dpcvPwQiXhJxptNJ0T8pgqXJ5w228xDV3ANyBjxePt4=; b=owGbwMvMwCVWscWwfUFT0iXG02pJDJnL+YJZ/3FZeV7jE3xefTLpbaKVbNW2c+UWZRrMHPd+7 H/PeU+5o5SFQYyLQVZMkSXxdl+L1Po/Ljuce97CzGFlAhnCwMUpABM5No2R4WCT8dZZwrGRv3wD PH6k3Cmb5X0s0mbLu13+rLr1xancLowMDzoTJNKLFGfnzZFYf8z8R9rv5D6VHJelMvz3XrWtelv BDgA= X-Developer-Key: i=conor.dooley@microchip.com; a=openpgp; fpr=F9ECA03CF54F12CD01F1655722E2C55B37CF380C Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Conor Dooley The musb IP on mpfs and pic64gx has a reset pin, but until now this has been undocumented because platform firmware takes the block out of reset on first-party boards (or those using modified versions of the vendor firmware), but not all boards may take this approach. Permit providing a reset in devicetree for Linux, or other devicetree-consuming software, to use. Signed-off-by: Conor Dooley Reviewed-by: Krzysztof Kozlowski --- CC: Conor Dooley CC: Daire McNamara CC: Greg Kroah-Hartman CC: Rob Herring CC: Krzysztof Kozlowski CC: linux-riscv@lists.infradead.org CC: linux-usb@vger.kernel.org CC: devicetree@vger.kernel.org CC: linux-kernel@vger.kernel.org --- Documentation/devicetree/bindings/usb/microchip,mpfs-musb.yaml | 3 +++ 1 file changed, 3 insertions(+) diff --git a/Documentation/devicetree/bindings/usb/microchip,mpfs-musb.yaml= b/Documentation/devicetree/bindings/usb/microchip,mpfs-musb.yaml index a812317d80893..c4e1c2d73bdb3 100644 --- a/Documentation/devicetree/bindings/usb/microchip,mpfs-musb.yaml +++ b/Documentation/devicetree/bindings/usb/microchip,mpfs-musb.yaml @@ -37,6 +37,9 @@ properties: clocks: maxItems: 1 =20 + resets: + maxItems: 1 + microchip,ext-vbus-drv: description: Some ULPI USB PHYs do not support an internal VBUS supply and driving --=20 2.51.0