From patchwork Tue Nov 26 02:58:59 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chunfeng Yun X-Patchwork-Id: 13885454 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 725D7D5A6CC for ; Tue, 26 Nov 2024 03:00:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id: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=apQg3q7N3y+VfJj8BsxvO7+jSfsV73+4T4bTwosUjGg=; b=YtTOpxfhPaa/dA xmWa/rj/KRkILru7LzAIUnIWW6YhhjXCRM6Gpgk5jnuijmEsHAPX9+lu0b2q7HkRAqtlp+RJ6KLnc R0ybiILVLQnmC1juWtD+U4Inj+3axyouKaD/foR68FPj4rKeZFGFere3h1x0JiJHtyy4Jbe7X1/2T qfgkolSPIsl9T06xJMI3UzFQaVjGYO+V+rm4qEw4BPjtA79BCmXhwu7hrEc/TWgRIzj01G6EnIqLu cTEPjd7qC/gp55iaoaPb81sA6dmeqSy8xSJZuMQmBl/TSNeogmKezy/WGWFO9qxauEuDvunfVrvGA 2oPTLWuz7LTCoMbBSJMA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tFlo7-00000009Wc1-0vra; Tue, 26 Nov 2024 03:00:07 +0000 Received: from mailgw01.mediatek.com ([216.200.240.184]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1tFlnA-00000009WMs-0Fci; Tue, 26 Nov 2024 02:59:09 +0000 X-UUID: 656d8c84aba211ef82ff63e91e7eb18c-20241125 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=QuBPUTQJ8C/KdD4Nkz2ttqOpSmGo+BG1v2FUi6iesuw=; b=BCSAL9YJrUJj1QeFYJDQQLHw14AoV6VQfVMREasZmexMksDDUTetanBm7fPxmZ0Z5iBheB9/IYILQ7ZkgCI2MWxliTvAsaNqJnKOZSpJqRP80+QVNzrdSXwtrAS+USuqWR+YqYqlexj+wYWRRkFPYUGHqq1EzMv3dNL55r2ifKg=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.44,REQID:929f2fa1-d1e5-421c-986e-38dba381014f,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:464815b,CLOUDID:edef63b9-596a-4e31-81f2-cae532fa1b81,B ulkID:nil,BulkQuantity:0,Recheck:0,SF:81|82|102,TC:nil,Content:0,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: 656d8c84aba211ef82ff63e91e7eb18c-20241125 Received: from mtkmbs13n1.mediatek.inc [(172.21.101.193)] by mailgw01.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 318952299; Mon, 25 Nov 2024 19:59:04 -0700 Received: from mtkmbs11n2.mediatek.inc (172.21.101.187) 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 15.2.1118.26; Tue, 26 Nov 2024 10:59:01 +0800 Received: from mhfsdcap04.gcn.mediatek.inc (10.17.3.154) by mtkmbs11n2.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.1118.26 via Frontend Transport; Tue, 26 Nov 2024 10:59:01 +0800 From: Chunfeng Yun To: Vinod Koul , Rob Herring CC: Chunfeng Yun , Krzysztof Kozlowski , Conor Dooley , Matthias Brugger , AngeloGioacchino Del Regno , , , , , Subject: [PATCH 2/2] phy: mediatek: xsphy: add support to set disconnect threshold Date: Tue, 26 Nov 2024 10:58:59 +0800 Message-ID: <20241126025859.29923-2-chunfeng.yun@mediatek.com> X-Mailer: git-send-email 2.46.0 In-Reply-To: <20241126025859.29923-1-chunfeng.yun@mediatek.com> References: <20241126025859.29923-1-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-20241125_185908_100591_F90D1DCF X-CRM114-Status: GOOD ( 10.99 ) X-BeenThere: linux-phy@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux Phy Mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-phy" Errors-To: linux-phy-bounces+linux-phy=archiver.kernel.org@lists.infradead.org Add a property to tune usb2 phy's disconnect threshold. Signed-off-by: Chunfeng Yun --- 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,