From nobody Wed Apr 15 16:25:40 2026 Received: from sender4-pp-f112.zoho.com (sender4-pp-f112.zoho.com [136.143.188.112]) (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 039783B4EA8; Wed, 4 Mar 2026 14:54:07 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=pass smtp.client-ip=136.143.188.112 ARC-Seal: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772636050; cv=pass; b=Vvt9Yt9DKnx17/gVm8Jp3IkGPGn3roSDFguUJgs9BiMq6CTH18AnaGGPqDG6XVgeKOPYcdCRTCM24aCXdzsB/DVaxL/qlxRQKmD8tD0H9y/rDNADF6yBNwoCTWPmfCHG7WL4IMnaHYZGUUqkM5DoXHivIccUwfaFxeSa1pR4mHM= ARC-Message-Signature: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772636050; c=relaxed/simple; bh=EypgtlfYshILgwlUk3/w02vtCCXWaUCb7oIkiSqhtWQ=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=UrbTGdxYW814oryF4P3oaIurQhoG60mCskh80emPMt26g2F58xs1RzGosrPX6SgI7QpQZDlm3unYl1ufD7lZ3BFQTPA8EK21jaE/bgzjB570Gw1UXKw4w0cDNDl8RtbKXB+dk96hI3J6Wl2S1b/hvfZst/VykL779DG9q1SCf9E= ARC-Authentication-Results: i=2; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=collabora.com; spf=pass smtp.mailfrom=collabora.com; dkim=pass (1024-bit key) header.d=collabora.com header.i=nicolas.frattaroli@collabora.com header.b=Sm5Jqb98; arc=pass smtp.client-ip=136.143.188.112 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=collabora.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=collabora.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=collabora.com header.i=nicolas.frattaroli@collabora.com header.b="Sm5Jqb98" ARC-Seal: i=1; a=rsa-sha256; t=1772636016; cv=none; d=zohomail.com; s=zohoarc; b=FoPI9w5GQ9MR+obyELlf6irpuMlWNHKCwPMszn64u55yl6zYZADlJwTusDzmSSTGFBPOU+c2L8zhWeSpGH2334sfpc+AjOX2j5lIcrQuBwvayIX+ypMVW+03UJxpjAFO+hiQUIgO+wSixcg9vgohddqahSMSxY+mVqgfyVOZOXg= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1772636016; h=Content-Type:Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:MIME-Version:Message-ID:References:Subject:Subject:To:To:Message-Id:Reply-To; bh=wIUS+P9KTYwp9LndB8yjQ3RjTNoJrePfDlm02gE6g6U=; b=JI/aMSV0fA+u+JVXaVRGN9i4o1HvurhRH33yZt1bj+kEbJ4D+0pb3zf1FmeFPs0U565pFXzQ9vph0ljPPlP5tSRXEJirLv3USonZdxK4ryMCVKKt6ORPxS5lm+ZekOvRgdCjwtQ7jet+/1MohQbLdyI+wpD5NotiqPU/P9t4T4g= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass header.i=collabora.com; spf=pass smtp.mailfrom=nicolas.frattaroli@collabora.com; dmarc=pass header.from= DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; t=1772636016; s=zohomail; d=collabora.com; i=nicolas.frattaroli@collabora.com; h=From:From:Date:Date:Subject:Subject:MIME-Version:Content-Type:Content-Transfer-Encoding:Message-Id:Message-Id:References:In-Reply-To:To:To:Cc:Cc:Reply-To; bh=wIUS+P9KTYwp9LndB8yjQ3RjTNoJrePfDlm02gE6g6U=; b=Sm5Jqb98JGs2N1IWHZw8+t/3RdPkGtrN8XvF0/jmL/znVuZDOHpAkoghjT+ze3bl 7seJyreHVRR1yWK3io+x/dnx+Gxx3ZJPHEkZkGS0w513zU38OPy8aQjEc1Tsu//rSOx m6Gb7I2VvNUH089OKVN/CiBkCGD8AP68U6wrIozY= Received: by mx.zohomail.com with SMTPS id 1772636014066884.4766831898646; Wed, 4 Mar 2026 06:53:34 -0800 (PST) From: Nicolas Frattaroli Date: Wed, 04 Mar 2026 15:53:06 +0100 Subject: [PATCH v8 01/23] dt-bindings: phy: Add mediatek,mt8196-ufsphy variant 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-Transfer-Encoding: quoted-printable Message-Id: <20260304-mt8196-ufs-v8-1-5b0eac23314f@collabora.com> References: <20260304-mt8196-ufs-v8-0-5b0eac23314f@collabora.com> In-Reply-To: <20260304-mt8196-ufs-v8-0-5b0eac23314f@collabora.com> To: Alim Akhtar , Avri Altman , Bart Van Assche , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Matthias Brugger , AngeloGioacchino Del Regno , Chunfeng Yun , Vinod Koul , Kishon Vijay Abraham I , Peter Wang , Stanley Jhu , "James E.J. Bottomley" , "Martin K. Petersen" , Philipp Zabel , Liam Girdwood , Mark Brown , Chaotian Jing , Neil Armstrong Cc: Louis-Alexis Eyraud , kernel@collabora.com, linux-scsi@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-phy@lists.infradead.org, Nicolas Frattaroli , Conor Dooley X-Mailer: b4 0.14.3 The MediaTek MT8196 SoC includes an M-PHY compatible with the already existing mt8183 binding. However, one omission from the original binding was that all of these variants may have an optional reset. Add the new compatible, and also the resets property, with an example. Reviewed-by: AngeloGioacchino Del Regno Reviewed-by: Peter Wang Acked-by: Conor Dooley Acked-by: Vinod Koul Signed-off-by: Nicolas Frattaroli --- .../devicetree/bindings/phy/mediatek,ufs-phy.yaml | 16 ++++++++++++= ++++ 1 file changed, 16 insertions(+) diff --git a/Documentation/devicetree/bindings/phy/mediatek,ufs-phy.yaml b/= Documentation/devicetree/bindings/phy/mediatek,ufs-phy.yaml index 6e2edd43fc2a..ee71dfa4e0c0 100644 --- a/Documentation/devicetree/bindings/phy/mediatek,ufs-phy.yaml +++ b/Documentation/devicetree/bindings/phy/mediatek,ufs-phy.yaml @@ -27,6 +27,7 @@ properties: - items: - enum: - mediatek,mt8195-ufsphy + - mediatek,mt8196-ufsphy - const: mediatek,mt8183-ufsphy - const: mediatek,mt8183-ufsphy =20 @@ -43,6 +44,10 @@ properties: - const: unipro - const: mp =20 + resets: + items: + - description: Optional UFS M-PHY reset. + "#phy-cells": const: 0 =20 @@ -66,5 +71,16 @@ examples: clock-names =3D "unipro", "mp"; #phy-cells =3D <0>; }; + - | + #include + ufs-phy@16800000 { + compatible =3D "mediatek,mt8196-ufsphy", "mediatek,mt8183-ufsphy"; + reg =3D <0x16800000 0x10000>; + clocks =3D <&ufs_ao_clk 3>, + <&ufs_ao_clk 5>; + clock-names =3D "unipro", "mp"; + resets =3D <&ufs_ao_clk MT8196_UFSAO_RST0_UFS_MPHY>; + #phy-cells =3D <0>; + }; =20 ... --=20 2.53.0