From patchwork Sat Jan 11 14:15:42 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chunfeng Yun X-Patchwork-Id: 13936052 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 0945EE7719D for ; Sat, 11 Jan 2025 14:17:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Type: Content-Transfer-Encoding:MIME-Version:References:In-Reply-To:Message-ID:Date :Subject:CC:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=bBcRZz23qe7sBpVEFNsRfliAszcO1sjImonnNjn1wvI=; b=nZqD5rvnKI/wvrk5Vx4r3ufkP/ HZjScPGZ/FrtznJhMv3KyTCRvpiwWBRBWH7w6DIfCJeP6IS/6wX99ZbHeI8c64I7pv4iPPOsMukqA OzyGemDzLUyV++0HIvt51bGm2//ODks2AK61669A+WUMmDsUykirzppATA3AE2hh4TpvTQIzRv6wc kVJ2joX/0UNm+KJ1a7a6y6ETd/r9InCZNnZ2FCsjq8QI9Fh99wKZHW5Kd92kyABffE8y9fPWx3Dks 3QuJJnyXSoSJ//mU8yGs4wYFKhMl4dQIQLsqGBTlapHNzaCVF/oe2jtuuzz+8JhIhoE9G2San2boH EorZcVzA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tWcIo-00000000tzc-0yFm; Sat, 11 Jan 2025 14:17:26 +0000 Received: from mailgw02.mediatek.com ([216.200.240.185]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1tWcHb-00000000tqq-2Gts; Sat, 11 Jan 2025 14:16:12 +0000 X-UUID: 98389020d02611ef9048ed6ed365623b-20250111 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=bBcRZz23qe7sBpVEFNsRfliAszcO1sjImonnNjn1wvI=; b=djS9aRd5dBePP/Apjt2iwmB0oRJiaCLMUVPjnVDzY2BRM1AN47ETesIybNCXWzskKGt3BB8uUJUnh10rLEds3Y5O9+hci7r3B331lfWeDNDRcI2+8HYA4Vy5Gfy8ubH38rwC381lgfPk/wf1WTtZhYaCgBaYHb0M2/bprGetwFs=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.46,REQID:5dddee26-5541-4fe9-b437-4a83d4bb85e4,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:b892bb0e-078a-483b-8929-714244d25c49,B ulkID:nil,BulkQuantity:0,Recheck:0,SF:81|82|102,TC:nil,Content:0|50,EDM:-3 ,IP:nil,URL:11|1,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,NGT X-CID-BAS: 0,NGT,0,_ X-CID-FACTOR: TF_CID_SPAM_SNR,TF_CID_SPAM_ULN X-UUID: 98389020d02611ef9048ed6ed365623b-20250111 Received: from mtkmbs11n1.mediatek.inc [(172.21.101.185)] by mailgw02.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 1673808228; Sat, 11 Jan 2025 07:16:05 -0700 Received: from mtkmbs11n1.mediatek.inc (172.21.101.185) by MTKMBS09N2.mediatek.inc (172.21.101.94) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1258.28; Sat, 11 Jan 2025 22:16:02 +0800 Received: from mhfsdcap04.gcn.mediatek.inc (10.17.3.154) by mtkmbs11n1.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.1258.28 via Frontend Transport; Sat, 11 Jan 2025 22:16:01 +0800 From: Chunfeng Yun To: Vinod Koul , Rob Herring CC: Chunfeng Yun , Krzysztof Kozlowski , Conor Dooley , Matthias Brugger , AngeloGioacchino Del Regno , , , , , Subject: [RESEND PATCH 2/2] phy: mediatek: xsphy: add support to set disconnect threshold Date: Sat, 11 Jan 2025 22:15:42 +0800 Message-ID: <20250111141542.5007-2-chunfeng.yun@mediatek.com> X-Mailer: git-send-email 2.46.0 In-Reply-To: <20250111141542.5007-1-chunfeng.yun@mediatek.com> References: <20250111141542.5007-1-chunfeng.yun@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250111_061611_588816_2E17F1D5 X-CRM114-Status: GOOD ( 11.33 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org Add a property to tune usb2 phy's disconnect threshold. Signed-off-by: Chunfeng Yun --- based on kernel 6.13-rc1 --- 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,