From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.7 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,UNPARSEABLE_RELAY,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id DFC4EC43144 for ; Fri, 29 Jun 2018 02:21:35 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A38FA27ADE for ; Fri, 29 Jun 2018 02:21:35 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A38FA27ADE Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=mediatek.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1030657AbeF2CVe (ORCPT ); Thu, 28 Jun 2018 22:21:34 -0400 Received: from mailgw02.mediatek.com ([1.203.163.81]:15631 "EHLO mailgw02.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1030492AbeF2CUr (ORCPT ); Thu, 28 Jun 2018 22:20:47 -0400 X-UUID: 6a65a604a5a04cd9885d716d994260e9-20180629 Received: from mtkcas36.mediatek.inc [(172.27.4.250)] by mailgw02.mediatek.com (envelope-from ) (mailgw01.mediatek.com ESMTP with TLS) with ESMTP id 1717969203; Fri, 29 Jun 2018 10:20:41 +0800 Received: from mtkcas07.mediatek.inc (172.21.101.84) by MTKMBS31N1.mediatek.inc (172.27.4.69) with Microsoft SMTP Server (TLS) id 15.0.1210.3; Fri, 29 Jun 2018 10:20:39 +0800 Received: from localhost.localdomain (10.17.3.153) by mtkcas07.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1210.3 via Frontend Transport; Fri, 29 Jun 2018 10:20:38 +0800 From: Chunfeng Yun To: Kishon Vijay Abraham I CC: Matthias Brugger , Rob Herring , Chunfeng Yun , , , , , Subject: [PATCH 4/5] phy: phy-mtk-tphy: add property for BC12 Date: Fri, 29 Jun 2018 10:20:30 +0800 Message-ID: X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <54260d59ae39c2335e97892fe85db16cac30b33b.1530238400.git.chunfeng.yun@mediatek.com> References: <54260d59ae39c2335e97892fe85db16cac30b33b.1530238400.git.chunfeng.yun@mediatek.com> MIME-Version: 1.0 Content-Type: text/plain X-MTK: N Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Some platforms support BC12 which is disabled by default, here add a property to enable it if need Signed-off-by: Chunfeng Yun --- drivers/phy/mediatek/phy-mtk-tphy.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/drivers/phy/mediatek/phy-mtk-tphy.c b/drivers/phy/mediatek/phy-mtk-tphy.c index 9ab6f2e..3eb8e1b 100644 --- a/drivers/phy/mediatek/phy-mtk-tphy.c +++ b/drivers/phy/mediatek/phy-mtk-tphy.c @@ -101,6 +101,9 @@ #define P2C_RG_AVALID BIT(2) #define P2C_RG_IDDIG BIT(1) +#define U3P_U2PHYBC12C 0x080 +#define P2C_RG_CHGDT_EN BIT(0) + #define U3P_U3_CHIP_GPIO_CTLD 0x0c #define P3C_REG_IP_SW_RST BIT(31) #define P3C_MCU_BUS_CK_GATE_EN BIT(30) @@ -297,6 +300,7 @@ struct mtk_phy_instance { int eye_src; int eye_vrt; int eye_term; + bool bc12_en; }; struct mtk_tphy { @@ -839,12 +843,16 @@ static void phy_parse_property(struct mtk_tphy *tphy, if (instance->type != PHY_TYPE_USB2) return; + instance->bc12_en = device_property_read_bool(dev, "mediatek,bc12"); device_property_read_u32(dev, "mediatek,eye-src", &instance->eye_src); device_property_read_u32(dev, "mediatek,eye-vrt", &instance->eye_vrt); device_property_read_u32(dev, "mediatek,eye-term", &instance->eye_term); + dev_dbg(dev, "bc12:%d, src:%d, vrt:%d, term:%d\n", + instance->bc12_en, instance->eye_src, + instance->eye_vrt, instance->eye_term); } static void u2_phy_props_set(struct mtk_tphy *tphy, @@ -854,6 +862,11 @@ static void u2_phy_props_set(struct mtk_tphy *tphy, void __iomem *com = u2_banks->com; u32 tmp; + if (instance->bc12_en) { + tmp = readl(com + U3P_U2PHYBC12C); + tmp |= P2C_RG_CHGDT_EN; /* BC1.2 path Enable */ + writel(tmp, com + U3P_U2PHYBC12C); + } if (instance->eye_src) { tmp = readl(com + U3P_USBPHYACR5); -- 1.9.1