From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailgw02.mediatek.com (unknown [210.61.82.184]) (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 4BFC5352FAA; Wed, 11 Feb 2026 19:14:41 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=210.61.82.184 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770837284; cv=none; b=cWFUpd1259BMxAK6tYVh+EudtaaeDmwsD6r+oAMGMLfEWWguQIlBWqzLWbDlLiy4RX1Igrhtk7nq9syuRsSvFqnxjdHDpuIh/FdA/8OppJE6NEYZ5vLMQnSrRfr989cYhZH+5ExnPhxBHa6W2xqsB87hWRQODEhJLRiTuPDV7bc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770837284; c=relaxed/simple; bh=ZweJHAwbcunaNib9ONNm6FR95GLSMOSSKUVabneKcoc=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=gqIWvxynLDeR1ETEClaVkKSAlIeGUgpPhXooOLKBKl6jjj/2kbXP9WZ7mbUW82hrbDYhobJV/vx7JAsNWruqUnEip3wTQAM6x2sehNt/fdr/6izk5CI6vZkTEV5qMM/n9YY8A79/lrNEZAaz20F+fo60zQoF/E/ycVzee/OOxUc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=mediatek.com; spf=pass smtp.mailfrom=mediatek.com; dkim=pass (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b=sMD8YsCH; arc=none smtp.client-ip=210.61.82.184 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=mediatek.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=mediatek.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b="sMD8YsCH" X-UUID: e753eada077d11f1b7fc4fdb8733b2bc-20260212 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Type:Content-Transfer-Encoding:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:CC:To:From; bh=p6iru+5MqcVh6Wj2utJq3VS9ZNE7+yfzibDMJ0iPXrc=; b=sMD8YsCHTZ9JWi4qTEPa923CMDeb14Wb+xgLDLBjm6UIS5D3P+1ZCqD/w6NqpcC1b4C8Gk3q8HTw7kphhMsVI75zNPRGo9PqcxQaRlNriKOHn+wxSkqtBJJrhvwyv8U+6YzNo/Xv5rsXAzNCa8oPlSc3qmJA9XVi8RVr2RJBTIc=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.3.11,REQID:60f2da96-2f2b-4f8e-af50-623722ece708,IP:0,U RL:0,TC:0,Content:0,EDM:0,RT:0,SF:0,FILE:0,BULK:0,RULE:Release_Ham,ACTION: release,TS:0 X-CID-META: VersionHash:89c9d04,CLOUDID:1ce197f0-16bd-4243-b4ca-b08ca08ab1d8,B ulkID:nil,BulkQuantity:0,Recheck:0,SF:81|82|102|836|888|898,TC:-5,Content: 0|15|50,EDM:-3,IP:nil,URL:0,File:130,RT:0,Bulk:nil,QS:nil,BEC:-1,COL:0,OSI :0,OSA:0,AV:0,LES:1,SPR:NO,DKR:0,DKP:0,BRR:0,BRE:0,ARC:0 X-CID-BVR: 2,SSN|SDN X-CID-BAS: 2,SSN|SDN,0,_ X-CID-FACTOR: TF_CID_SPAM_SNR X-CID-RHF: D41D8CD98F00B204E9800998ECF8427E X-UUID: e753eada077d11f1b7fc4fdb8733b2bc-20260212 Received: from mtkmbs11n1.mediatek.inc [(172.21.101.185)] by mailgw02.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 280944736; Thu, 12 Feb 2026 03:14:35 +0800 Received: from mtkmbs11n2.mediatek.inc (172.21.101.187) by mtkmbs10n1.mediatek.inc (172.21.101.34) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.29; Thu, 12 Feb 2026 03:14:35 +0800 Received: from mussdccf250.eus.mediatek.inc (10.73.250.250) by mtkmbs11n2.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.2562.29 via Frontend Transport; Thu, 12 Feb 2026 03:14:34 +0800 From: Ryder Lee To: Felix Fietkau , Rob Herring CC: , , , Ryder Lee , Allen Ye Subject: [PATCH v4 2/2] dt-bindings: net: wireless: mt76: clarify backoff limit usage Date: Wed, 11 Feb 2026 11:14:30 -0800 Message-ID: <4111ba0734fc7818f899db0bea08e3428eb536d5.1770836705.git.ryder.lee@mediatek.com> X-Mailer: git-send-email 2.45.2 In-Reply-To: <8fa8ec500b3d4de7b1966c6887f1dfbe5c46a54c.1770836705.git.ryder.lee@mediatek.com> References: <8fa8ec500b3d4de7b1966c6887f1dfbe5c46a54c.1770836705.git.ryder.lee@mediatek.com> Precedence: bulk X-Mailing-List: linux-wireless@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-MTK: N Clarify the usage of path backoff limit properties in mt76 binding. Add explicit documentation for old generation (mt7915, mt7916, mt7981, mt7986) and new generation (mt7990, mt7992, mt7996) devices, including the difference in beamforming and non-beamforming entries. Rephrase the paths-ru/paths-ru-bf description to reflect the actual usage. Co-developed-by: Allen Ye Signed-off-by: Allen Ye Signed-off-by: Ryder Lee --- v1-v3: none v4: - revise commit message - use PCI id as the compatible string to replace "connac2/3" --- .../bindings/net/wireless/mediatek,mt76.yaml | 21 +++++++++++++++++++ 1 file changed, 21 insertions(+) diff --git a/Documentation/devicetree/bindings/net/wireless/mediatek,mt76.yaml b/Documentation/devicetree/bindings/net/wireless/mediatek,mt76.yaml index ae6b97cdc..ccb31cf76 100644 --- a/Documentation/devicetree/bindings/net/wireless/mediatek,mt76.yaml +++ b/Documentation/devicetree/bindings/net/wireless/mediatek,mt76.yaml @@ -27,6 +27,11 @@ properties: - mediatek,mt7622-wmac - mediatek,mt7981-wmac - mediatek,mt7986-wmac + - pci14c3,7915 #mt7915 + - pci14c3,7906 #mt7916 + - pci14c3,7990 #mt7996 + - pci14c3,7992 #mt7992 + - pci14c3,7993 #mt7990 reg: minItems: 1 @@ -252,6 +257,14 @@ properties: followed by 10 power limit values. The order of the channel resource unit settings is RU26, RU52, RU106, RU242/SU20, RU484/SU40, RU996/SU80 and RU2x996/SU160. + - For mt7981/mt7986/mt7915/mt7916 + - Beamforming entries for BW20~BW160 and OFDM do not + include 1T1ss. + - When 1T1ss is not used, it should be filled with 0. + - For mt7996/mt7992/mt7990 + - Beamforming entries for BW20~BW160 and RU include + 1T1ss, but OFDM does not include 1T1ss. + - 1T1ss is taken into account, so no need to fill with 0. minItems: 1 maxItems: 7 items: @@ -270,6 +283,14 @@ properties: followed by 10 power limit values. The order of the channel resource unit settings is RU26, RU52, RU106, RU242/SU20, RU484/SU40, RU996/SU80 and RU2x996/SU160. + - For mt7981/mt7986/mt7915/mt7916 + - Beamforming entries for BW20~BW160 and OFDM do not + include 1T1ss. + - When 1T1ss is not used, it should be filled with 0. + - For mt7996/mt7992/mt7990 + - Beamforming entries for BW20~BW160 and RU include + 1T1ss, but OFDM does not include 1T1ss. + - 1T1ss is taken into account, so no need to fill with 0. minItems: 1 maxItems: 7 items: -- 2.45.2