From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailgw01.mediatek.com (unknown [60.244.123.138]) (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 6B9B81922ED; Sat, 15 Feb 2025 09:44:19 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=60.244.123.138 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739612662; cv=none; b=cc65FQrg6T6Oko4t785cZBDfkPaXmyFNIHvIue3K0v/MAfWtbVkFcWCmGEtnOKMkOtmBJZkUy9tVAKcfZrZCr9OiqXzO3lcS7571AugIZHsXZl8H5pQWpFTfnFtNpk+3W9UUlkAYlo5ZKWWOP0vUY6wRnq9gzC/6soWC/3GX8TY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739612662; c=relaxed/simple; bh=39W915W90wBjOzdIVOt7oYW/Ka3WhSbVWJjph/J/k2o=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=TAwI3/XLZx5IIh83K86MUAUKHBslOfh6r8TySng6hhbtE2bo3sh/r8vg4osuFi2ekRxkMFmlC9/965bNPaAg1NTN8TRXVRNUC+1bD0FsIjA2ORH8WpB+U5BLfVm/UL5WIZ1scqjka84iTs4iqtcoDJawvJql9bUgoZKkICzDeJo= 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=lvUyxxqz; arc=none smtp.client-ip=60.244.123.138 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="lvUyxxqz" X-UUID: 6ae1a852eb8111efb8f9918b5fc74e19-20250215 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=1XRwV3v0Pr5UX8e3+ENacWcRYH9cJyzTBU7O5dVKwSQ=; b=lvUyxxqzUNF5OQ2JPAvIfyScN8AnxyZfaImVuHKTe8xQ7xxXV62akasdkmVhkpm2PEVD4SoQDseQsL5FglUfHHde9sKrHSgi3F2121Du8j6x7zG/LFb5nsT9iivcQkPcqWgGkbAQvvW3PomCSe6TfILt520p0M/nA9VWnLWrMYA=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.46,REQID:b910a98f-351b-4813-acaa-9ec8d023c7e2,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:60aa074,CLOUDID:c9f9cb24-96bd-4ac5-8f2e-15aa1ef9defa,B ulkID:nil,BulkQuantity:0,Recheck:0,SF:81|82|102,TC:nil,Content:0|50,EDM:-3 ,IP:nil,URL:0,File:nil,RT:nil,Bulk:nil,QS:nil,BEC:nil,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: 0 X-CID-BAS: 0,_,0,_ X-CID-FACTOR: TF_CID_SPAM_SNR X-UUID: 6ae1a852eb8111efb8f9918b5fc74e19-20250215 Received: from mtkmbs13n1.mediatek.inc [(172.21.101.193)] by mailgw01.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 1907960357; Sat, 15 Feb 2025 17:44:14 +0800 Received: from mtkmbs13n1.mediatek.inc (172.21.101.193) by mtkmbs11n1.mediatek.inc (172.21.101.185) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1258.28; Sat, 15 Feb 2025 17:44:13 +0800 Received: from mhfsdcap04.gcn.mediatek.inc (10.17.3.154) by mtkmbs13n1.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.1258.28 via Frontend Transport; Sat, 15 Feb 2025 17:44:13 +0800 From: Chunfeng Yun To: Vinod Koul , Rob Herring CC: Chunfeng Yun , Krzysztof Kozlowski , Conor Dooley , Matthias Brugger , AngeloGioacchino Del Regno , , , , , Subject: [PATCH v2 2/2] phy: mediatek: xsphy: add support to set disconnect threshold Date: Sat, 15 Feb 2025 17:44:10 +0800 Message-ID: <20250215094410.547-2-chunfeng.yun@mediatek.com> X-Mailer: git-send-email 2.46.0 In-Reply-To: <20250215094410.547-1-chunfeng.yun@mediatek.com> References: <20250215094410.547-1-chunfeng.yun@mediatek.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-MTK: N Add a property to tune usb2 phy's disconnect threshold. Reviewed-by: AngeloGioacchino Del Regno Signed-off-by: Chunfeng Yun --- v2: Add Reviewed by Angelo --- drivers/phy/mediatek/phy-mtk-xsphy.c | 12 ++++++++++-- 1 file changed, 10 insertions(+), 2 deletions(-) diff --git a/drivers/phy/mediatek/phy-mtk-xsphy.c b/drivers/phy/mediatek/phy-mtk-xsphy.c index 7c248f5cfca5..718ed8f17c2d 100644 --- a/drivers/phy/mediatek/phy-mtk-xsphy.c +++ b/drivers/phy/mediatek/phy-mtk-xsphy.c @@ -59,6 +59,7 @@ #define XSP_USBPHYACR6 ((SSUSB_SIFSLV_U2PHY_COM) + 0x018) #define P2A6_RG_BC11_SW_EN BIT(23) #define P2A6_RG_OTG_VBUSCMP_EN BIT(20) +#define PA6_RG_U2_DISCTH GENMASK(7, 4) #define XSP_U2PHYDTM1 ((SSUSB_SIFSLV_U2PHY_COM) + 0x06C) #define P2D_FORCE_IDDIG BIT(9) @@ -95,6 +96,7 @@ struct xsphy_instance { int eye_src; int eye_vrt; int eye_term; + int discth; }; struct mtk_xsphy { @@ -244,9 +246,12 @@ static void phy_parse_property(struct mtk_xsphy *xsphy, &inst->eye_vrt); device_property_read_u32(dev, "mediatek,eye-term", &inst->eye_term); - dev_dbg(dev, "intr:%d, src:%d, vrt:%d, term:%d\n", + device_property_read_u32(dev, "mediatek,discth", + &inst->discth); + dev_dbg(dev, "intr:%d, src:%d, vrt:%d, term:%d, discth:%d\n", inst->efuse_intr, inst->eye_src, - inst->eye_vrt, inst->eye_term); + inst->eye_vrt, inst->eye_term, + inst->discth); break; case PHY_TYPE_USB3: device_property_read_u32(dev, "mediatek,efuse-intr", @@ -285,6 +290,9 @@ static void u2_phy_props_set(struct mtk_xsphy *xsphy, if (inst->eye_term) mtk_phy_update_field(pbase + XSP_USBPHYACR1, P2A1_RG_TERM_SEL, inst->eye_term); + if (inst->discth) + mtk_phy_update_field(pbase + XSP_USBPHYACR6, PA6_RG_U2_DISCTH, + inst->discth); } static void u3_phy_props_set(struct mtk_xsphy *xsphy, -- 2.46.0