From patchwork Wed Sep 11 06:17:18 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Xu Yang X-Patchwork-Id: 828645 Received: from EUR05-DB8-obe.outbound.protection.outlook.com (mail-db8eur05on2068.outbound.protection.outlook.com [40.107.20.68]) (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 0318D1DA5E; Wed, 11 Sep 2024 06:16:46 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=40.107.20.68 ARC-Seal: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1726035409; cv=fail; b=mKBfENSRTgGFcBM6B4w9i3VT0dZZl7FkrTi4wKqG/mU9JQzf6+2GBlSi7YLoaG3DaA4J+UNxHEOUYgAO+lBYnDk2a2XsYGrzXxEbZ+uc3Wb5YQ+tBPBn8knrUbfNCjv1l1eX7ztVTQxa7129iairq2AyuDgVxNMuhIfPxaSAPz4= ARC-Message-Signature: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1726035409; c=relaxed/simple; bh=hPNt7HrlF44PgGfA55Jn9XW5b1m+JgI1/XKTL8pr584=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: Content-Type:MIME-Version; b=Vqc4wb3eWC8ZaXayUGbmid3dmO2IKWPwftvnVIv8Pu74bmQ8S0/MguPY362RXNpjDhB2414cZctPutY6EbP4ut1tST1zlxA/L7PNSnopazU9TIeUL6S/EQH0mx0wSYK8ZtDzIKqtHE9RqWaSFOwLwf9ZmGIKZaPYzDr2CzSWWKM= ARC-Authentication-Results: i=2; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=nxp.com; spf=pass smtp.mailfrom=nxp.com; dkim=pass (2048-bit key) header.d=nxp.com header.i=@nxp.com header.b=VWPE/MmK; arc=fail smtp.client-ip=40.107.20.68 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=nxp.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=nxp.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=nxp.com header.i=@nxp.com header.b="VWPE/MmK" ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=HwyD+MiHnFd+MpIv1pCMovXK2d7QKyOgqTLdvj8mH1tBpnn1GVa3wBDxNWJ3amrDEYggiLsgOhBd0GkMko0MY/sw5FbShYegLySw7N1onRUeXX0gLbkXfaayfOGHNmpJaWBQdqscaOM8QLiH77nS6HSrtYEiFuR+CcoB2t0tJAUnYs/r+DDsyKtIVSAc+ejgfwddZGOHyEoU2urpNE0APHBtE3fZn/Jo8Q7QLWd+Bs+jaYfCzKNRU0FA912eODT31WvsNpNXNoywaUIt+t3+2b18yAaQFBy7T/9Dyw3C7JG/chxNm7MfIuDstO7Bb5TXFFHF1TwOTT8PTP70VxOmpQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector10001; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=uHjdUHh4sjWrICd5p3QlPzAa2C9HiIrX8YNyz4dm3jU=; b=TN2vZNxEC0cNdzC7V0pKRCKIYYhnvSB9GcHh2kyiVqhYkLohz3OaY6RLeTjun12mfa0JBAiYcIeC/gjIw46rLRkCtTYNU8iGAf9wQpFDAzkMw3xF/GheQq9Ibuvy57CZpjtvpY+FgHlW4iNgZ6fwa18YDRmBvqpOxPTe9zYylpeA4Lbrtc85H4sH9RW+7IyFrhVkSpZ/rhsQLn9X9jiEVeH6SCFgfgMiODXQAjqpzzWuG1iQjCTQI7r+upfXNYy3FhWK3vJSK0AN8Xo98IYm+tfkYVy9D28dKuIpYFRxxagaKC8hMRtOPfdajGbYqHeXVAYWkBlkb2pmlbAf9+Mupg== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=nxp.com; dmarc=pass action=none header.from=nxp.com; dkim=pass header.d=nxp.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nxp.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=uHjdUHh4sjWrICd5p3QlPzAa2C9HiIrX8YNyz4dm3jU=; b=VWPE/MmKeFQgjtZJuWQYuuWP1P0DVypZyNZjwmLyrjw/Wf3FSvhYd7y9ConuYJnDPXkYf9B4w15oCTK7PYTBIDKyQIU4AY9Ys0AQ40cEu4r34jEuKpyDvlQ4WT7KQ/FHIhBmPXG10WLZ64unliGbuewNJTsLwkFgzG4FcoLJuOLAXoWHTzJPgpLFGwapZ5cvI/qxweXcRGwrGUpncB7IcWwhIeF5RcuK6qOmzMeIydkZhNjAb7EOj7K5+95rN08HnjPAFawyYuGgAsPWElVKrdu4zeelGpra9megoY5X/H7t75QEnfykyNoZnpZ/2J7is1+TGdYl/Ok4hczy4iN54g== Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=nxp.com; Received: from DU2PR04MB8822.eurprd04.prod.outlook.com (2603:10a6:10:2e1::11) by VI1PR04MB6878.eurprd04.prod.outlook.com (2603:10a6:803:12f::7) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.7962.17; Wed, 11 Sep 2024 06:16:44 +0000 Received: from DU2PR04MB8822.eurprd04.prod.outlook.com ([fe80::4e24:c2c7:bd58:c5c7]) by DU2PR04MB8822.eurprd04.prod.outlook.com ([fe80::4e24:c2c7:bd58:c5c7%4]) with mapi id 15.20.7918.024; Wed, 11 Sep 2024 06:16:44 +0000 From: Xu Yang To: vkoul@kernel.org, kishon@kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, gregkh@linuxfoundation.org, Frank.Li@nxp.com, jun.li@nxp.com, l.stach@pengutronix.de, aford173@gmail.com, hongxing.zhu@nxp.com, alexander.stein@ew.tq-group.com Cc: linux-phy@lists.infradead.org, devicetree@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-usb@vger.kernel.org Subject: [PATCH v5 3/5] phy: fsl-imx8mq-usb: add tca function driver for imx95 Date: Wed, 11 Sep 2024 14:17:18 +0800 Message-Id: <20240911061720.495606-3-xu.yang_2@nxp.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240911061720.495606-1-xu.yang_2@nxp.com> References: <20240911061720.495606-1-xu.yang_2@nxp.com> X-ClientProxiedBy: SI2PR02CA0033.apcprd02.prod.outlook.com (2603:1096:4:195::20) To DU2PR04MB8822.eurprd04.prod.outlook.com (2603:10a6:10:2e1::11) Precedence: bulk X-Mailing-List: linux-usb@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DU2PR04MB8822:EE_|VI1PR04MB6878:EE_ X-MS-Office365-Filtering-Correlation-Id: 2bde6e6f-9142-42af-4147-08dcd2294eeb X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; ARA:13230040|376014|7416014|366016|1800799024|52116014|921020|38350700014; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:255.255.255.255; CTRY:; LANG:en; SCL:1; SRV:; IPV:NLI; SFV:NSPM; H:DU2PR04MB8822.eurprd04.prod.outlook.com; PTR:; CAT:NONE; SFS:(13230040)(376014)(7416014)(366016)(1800799024)(52116014)(921020)(38350700014); DIR:OUT; SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: PEbZwlYNxOPRYKPypOcSG7xIPe6ElW9asVPp0AZ7f8oIauBPFQd6RxUx4+n9Kshg8qQjaaZIrjbWH267LK2rImASkbCwQ7DdEaN563gyJhXe5tXkq/G3BdEt42wdUudJNtrSfqo/jnl2/gsvwBoJ8MDpp//Wv4pVlrQRoeyMgdyZE0LkCGqIDpplUfA1cyBaEv6iA/PGyJeizMbnMlgLEbErnDrPIQ445u4h2d/zypJuxxo9K/JvTG7phS5ch6nUC12mtcYkdaerCylUMI5Jhmr03Fi2uFaOq9q4oCzrfGG4eanQtjpCaGRfkVMZx3C/iQwvW6qkyzfVogX6CoUjLcmezJ3frvqHJC73wptG4Vo9wI1bl7LaE+3PqFO8Ze//IEpRciKoRip7l3C6hMO98w69Kjthd2uJdCuZhVOb+MxdLJ0chOjczqYuGNpg3BEILCeLG0We/sDdVIJty5tcq5LuFJKSFtRbT0ZKYGzi4S7WIMTQhdje9oOqV0exDgc7VNa3Lb0PZp7EYoo/61hOqtJzCbk5R3GIn/eug3dJ9lfDfjyk2w5k49vKa6LNydYBVsBrmqtk7s2c4goaW0GHOHL0O8BWOCySoQ1GrAskIwWdn9J8YmqYCZd4HFdKHnaiukW4cVEpMFfWII+TsNpPf43o8eVhTkE3vBm17//b7gEgn1WkOBhBRLrQ6eKqzFo25qhcmyI0z/zK3LiylRWFswyqDAD+Cu4BRTksf8CT5yhPp4DxVc030gbpPBRPyrHrA/ZFiuc/ipxq2RZ3r/xnqYVFS0+xjDjWk1wwnHSxWNcCiKQC+g+ps17+j9Vkk2Rkx9Jxx4RglkaDvvMRnbpfNOX/I7NaZPTPZuAfEm6JGUpvV7wNYO0nJj5KqxH5vJc1u6uJsZHe7EOdlVYk7gMX4PbfPoLK5zuFaAt2x04VECk0IXGgBR0jd0f4taibMNcxcCpI+o3N9906shB65p345dAXMpNa1rO9gsI07NwCa8CKZgWiuWx2c9Aqkjeu/Lv9kna+feG180fCcwYv+lgQCUrZTgqp9MO8wEXuKfxWzneLwXupIeCVyWZpgS7qkpDcfyIR+w2s44FGuZcUEEQnklO7/m9L3vYtxYbGCcc2QvVnU8jml0sXgyAd4ufJMosSr3qVL4t1mPS/isQv0E42CpSlL64Tu8YfoFv2Fya68kDr2YbwUmTdEvj3ioTXSNwkQQQFUyzxGeXIbF0A0n+T1iOhqz06GmU6fbcXCAGAA7RSHJkr9WG0HWkYrE7jvjraggkNC1At5t7SbnTKaoeGzi/T14GHezqlmDadRkBM5VpX9iFui7EX7X89cQPmXUX53Nbo39AMMvC23Yh0NUoOjs1HnHTqbW4NXTOCI6lGG26wZKcCJDxfa49N9quWZZDfCV6F7FliYwNcuG7pXLxz3Cqg2lFhl2Nnz7HXokVkkvBqZfRWBHRiJi2hQnWn8/Zj2Rx1rpRj9Mnvi/g1aYdwwie7mK6BG1XoftRR3IazpcppGs8KOuOkhBJpCgrcsbkYq4IbSzBt+tlBSibY0SMWpIJ6zolCv/qc0HufmqeO6fkgkYE/roA1kfZDIinpYIMC X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: 2bde6e6f-9142-42af-4147-08dcd2294eeb X-MS-Exchange-CrossTenant-AuthSource: DU2PR04MB8822.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 11 Sep 2024 06:16:44.2509 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: 9/9rGm51Qt/8j70BB7X3QVEhUq7HDUwaDDtJXi7v0KEquG3arUnKUJubpjvMqESSKLO+xV+shNHsHPcne6tl+Q== X-MS-Exchange-Transport-CrossTenantHeadersStamped: VI1PR04MB6878 The i.MX95 USB3 phy has a Type-C Assist block (TCA). This block consists two functional blocks (XBar assist and VBus assist) and one system access interface using APB. The primary functionality of XBar assist is: - switching lane for flip - moving unused lanes into lower power states. This info can be get from: i.MX95 RM Chapter 163.3.8 Type-C assist (TCA) block. This will add support for TCA block to achieve lane switching and tca lower power functionality. Signed-off-by: Xu Yang Reviewed-by: Jun Li --- Changes in v2: - return the value of imx95_usb_phy_get_tca() Changes in v3: - no changes Changes in v4: - remove compatible check for imx95 - check whether tca register region exist or not, yes means has tca, otherwise skip tca setup Changes in v5: - no changes --- drivers/phy/freescale/Kconfig | 1 + drivers/phy/freescale/phy-fsl-imx8mq-usb.c | 243 +++++++++++++++++++++ 2 files changed, 244 insertions(+) diff --git a/drivers/phy/freescale/Kconfig b/drivers/phy/freescale/Kconfig index dcd9acff6d01..81f53564ee15 100644 --- a/drivers/phy/freescale/Kconfig +++ b/drivers/phy/freescale/Kconfig @@ -5,6 +5,7 @@ if (ARCH_MXC && ARM64) || COMPILE_TEST config PHY_FSL_IMX8MQ_USB tristate "Freescale i.MX8M USB3 PHY" depends on OF && HAS_IOMEM + depends on TYPEC || TYPEC=n select GENERIC_PHY default ARCH_MXC && ARM64 diff --git a/drivers/phy/freescale/phy-fsl-imx8mq-usb.c b/drivers/phy/freescale/phy-fsl-imx8mq-usb.c index adc6394626ce..f97f86644b2c 100644 --- a/drivers/phy/freescale/phy-fsl-imx8mq-usb.c +++ b/drivers/phy/freescale/phy-fsl-imx8mq-usb.c @@ -10,6 +10,7 @@ #include #include #include +#include #define PHY_CTRL0 0x0 #define PHY_CTRL0_REF_SSP_EN BIT(2) @@ -50,11 +51,66 @@ #define PHY_TUNE_DEFAULT 0xffffffff +#define TCA_CLK_RST 0x00 +#define TCA_CLK_RST_SW BIT(9) +#define TCA_CLK_RST_REF_CLK_EN BIT(1) +#define TCA_CLK_RST_SUSPEND_CLK_EN BIT(0) + +#define TCA_INTR_EN 0x04 +#define TCA_INTR_STS 0x08 + +#define TCA_GCFG 0x10 +#define TCA_GCFG_ROLE_HSTDEV BIT(4) +#define TCA_GCFG_OP_MODE GENMASK(1, 0) +#define TCA_GCFG_OP_MODE_SYSMODE 0 +#define TCA_GCFG_OP_MODE_SYNCMODE 1 + +#define TCA_TCPC 0x14 +#define TCA_TCPC_VALID BIT(4) +#define TCA_TCPC_LOW_POWER_EN BIT(3) +#define TCA_TCPC_ORIENTATION_NORMAL BIT(2) +#define TCA_TCPC_MUX_CONTRL GENMASK(1, 0) +#define TCA_TCPC_MUX_CONTRL_NO_CONN 0 +#define TCA_TCPC_MUX_CONTRL_USB_CONN 1 + +#define TCA_SYSMODE_CFG 0x18 +#define TCA_SYSMODE_TCPC_DISABLE BIT(3) +#define TCA_SYSMODE_TCPC_FLIP BIT(2) + +#define TCA_CTRLSYNCMODE_CFG0 0x20 +#define TCA_CTRLSYNCMODE_CFG1 0x20 + +#define TCA_PSTATE 0x30 +#define TCA_PSTATE_CM_STS BIT(4) +#define TCA_PSTATE_TX_STS BIT(3) +#define TCA_PSTATE_RX_PLL_STS BIT(2) +#define TCA_PSTATE_PIPE0_POWER_DOWN GENMASK(1, 0) + +#define TCA_GEN_STATUS 0x34 +#define TCA_GEN_DEV_POR BIT(12) +#define TCA_GEN_REF_CLK_SEL BIT(8) +#define TCA_GEN_TYPEC_FLIP_INVERT BIT(4) +#define TCA_GEN_PHY_TYPEC_DISABLE BIT(3) +#define TCA_GEN_PHY_TYPEC_FLIP BIT(2) + +#define TCA_VBUS_CTRL 0x40 +#define TCA_VBUS_STATUS 0x44 + +#define TCA_INFO 0xFC + +struct tca_blk { + struct typec_switch_dev *sw; + void __iomem *base; + struct mutex mutex; + enum typec_orientation orientation; +}; + struct imx8mq_usb_phy { struct phy *phy; struct clk *clk; void __iomem *base; struct regulator *vbus; + struct tca_blk *tca; u32 pcs_tx_swing_full; u32 pcs_tx_deemph_3p5db; u32 tx_vref_tune; @@ -64,6 +120,175 @@ struct imx8mq_usb_phy { u32 comp_dis_tune; }; + +static void tca_blk_orientation_set(struct tca_blk *tca, + enum typec_orientation orientation); + +#ifdef CONFIG_TYPEC + +static int tca_blk_typec_switch_set(struct typec_switch_dev *sw, + enum typec_orientation orientation) +{ + struct imx8mq_usb_phy *imx_phy = typec_switch_get_drvdata(sw); + struct tca_blk *tca = imx_phy->tca; + int ret; + + if (tca->orientation == orientation) + return 0; + + ret = clk_prepare_enable(imx_phy->clk); + if (ret) + return ret; + + tca_blk_orientation_set(tca, orientation); + clk_disable_unprepare(imx_phy->clk); + + return 0; +} + +static struct typec_switch_dev *tca_blk_get_typec_switch(struct platform_device *pdev, + struct imx8mq_usb_phy *imx_phy) +{ + struct device *dev = &pdev->dev; + struct typec_switch_dev *sw; + struct typec_switch_desc sw_desc = { }; + + sw_desc.drvdata = imx_phy; + sw_desc.fwnode = dev->fwnode; + sw_desc.set = tca_blk_typec_switch_set; + sw_desc.name = NULL; + + sw = typec_switch_register(dev, &sw_desc); + if (IS_ERR(sw)) { + dev_err(dev, "Error register tca orientation switch: %ld", + PTR_ERR(sw)); + return NULL; + } + + return sw; +} + +static void tca_blk_put_typec_switch(struct typec_switch_dev *sw) +{ + typec_switch_unregister(sw); +} + +#else + +static struct typec_switch_dev *tca_blk_get_typec_switch(struct platform_device *pdev, + struct imx8mq_usb_phy *imx_phy) +{ + return NULL; +} + +static void tca_blk_put_typec_switch(struct typec_switch_dev *sw) {} + +#endif /* CONFIG_TYPEC */ + +static void tca_blk_orientation_set(struct tca_blk *tca, + enum typec_orientation orientation) +{ + u32 val; + + mutex_lock(&tca->mutex); + + if (orientation == TYPEC_ORIENTATION_NONE) { + /* + * use Controller Synced Mode for TCA low power enable and + * put PHY to USB safe state. + */ + val = readl(tca->base + TCA_GCFG); + val = FIELD_PREP(TCA_GCFG_OP_MODE, TCA_GCFG_OP_MODE_SYNCMODE); + writel(val, tca->base + TCA_GCFG); + + val = readl(tca->base + TCA_TCPC); + val = TCA_TCPC_VALID | TCA_TCPC_LOW_POWER_EN; + writel(val, tca->base + TCA_TCPC); + + goto out; + } + + /* use System Configuration Mode for TCA mux control. */ + val = readl(tca->base + TCA_GCFG); + val = FIELD_PREP(TCA_GCFG_OP_MODE, TCA_GCFG_OP_MODE_SYSMODE); + writel(val, tca->base + TCA_GCFG); + + /* Disable TCA module */ + val = readl(tca->base + TCA_SYSMODE_CFG); + val |= TCA_SYSMODE_TCPC_DISABLE; + writel(val, tca->base + TCA_SYSMODE_CFG); + + if (orientation == TYPEC_ORIENTATION_REVERSE) + val |= TCA_SYSMODE_TCPC_FLIP; + else if (orientation == TYPEC_ORIENTATION_NORMAL) + val &= ~TCA_SYSMODE_TCPC_FLIP; + + writel(val, tca->base + TCA_SYSMODE_CFG); + + /* Enable TCA module */ + val &= ~TCA_SYSMODE_TCPC_DISABLE; + writel(val, tca->base + TCA_SYSMODE_CFG); + +out: + tca->orientation = orientation; + mutex_unlock(&tca->mutex); +} + +static void tca_blk_init(struct tca_blk *tca) +{ + u32 val; + + /* reset XBar block */ + val = readl(tca->base + TCA_CLK_RST); + val &= ~TCA_CLK_RST_SW; + writel(val, tca->base + TCA_CLK_RST); + + udelay(100); + + /* clear reset */ + val |= TCA_CLK_RST_SW; + writel(val, tca->base + TCA_CLK_RST); + + tca_blk_orientation_set(tca, tca->orientation); +} + +static struct tca_blk *imx95_usb_phy_get_tca(struct platform_device *pdev, + struct imx8mq_usb_phy *imx_phy) +{ + struct device *dev = &pdev->dev; + struct resource *res; + struct tca_blk *tca; + + res = platform_get_resource(pdev, IORESOURCE_MEM, 1); + if (!res) + return 0; + + tca = devm_kzalloc(dev, sizeof(*tca), GFP_KERNEL); + if (!tca) + return ERR_PTR(-ENOMEM); + + tca->base = devm_ioremap_resource(&pdev->dev, res); + if (IS_ERR(tca->base)) + return tca->base; + + mutex_init(&tca->mutex); + + tca->orientation = TYPEC_ORIENTATION_NORMAL; + tca->sw = tca_blk_get_typec_switch(pdev, imx_phy); + + return tca; +} + +static void imx95_usb_phy_put_tca(struct imx8mq_usb_phy *imx_phy) +{ + struct tca_blk *tca = imx_phy->tca; + + if (!tca) + return; + + tca_blk_put_typec_switch(tca->sw); +} + static u32 phy_tx_vref_tune_from_property(u32 percent) { percent = clamp(percent, 94U, 124U); @@ -315,6 +540,9 @@ static int imx8mp_usb_phy_init(struct phy *phy) imx8m_phy_tune(imx_phy); + if (imx_phy->tca) + tca_blk_init(imx_phy->tca); + return 0; } @@ -359,6 +587,8 @@ static const struct of_device_id imx8mq_usb_phy_of_match[] = { .data = &imx8mq_usb_phy_ops,}, {.compatible = "fsl,imx8mp-usb-phy", .data = &imx8mp_usb_phy_ops,}, + {.compatible = "fsl,imx95-usb-phy", + .data = &imx8mp_usb_phy_ops,}, { } }; MODULE_DEVICE_TABLE(of, imx8mq_usb_phy_of_match); @@ -398,6 +628,11 @@ static int imx8mq_usb_phy_probe(struct platform_device *pdev) phy_set_drvdata(imx_phy->phy, imx_phy); + imx_phy->tca = imx95_usb_phy_get_tca(pdev, imx_phy); + if (IS_ERR(imx_phy->tca)) + return dev_err_probe(dev, PTR_ERR(imx_phy->tca), + "failed to get tca\n"); + imx8m_get_phy_tuning_data(imx_phy); phy_provider = devm_of_phy_provider_register(dev, of_phy_simple_xlate); @@ -405,8 +640,16 @@ static int imx8mq_usb_phy_probe(struct platform_device *pdev) return PTR_ERR_OR_ZERO(phy_provider); } +static void imx8mq_usb_phy_remove(struct platform_device *pdev) +{ + struct imx8mq_usb_phy *imx_phy = platform_get_drvdata(pdev); + + imx95_usb_phy_put_tca(imx_phy); +} + static struct platform_driver imx8mq_usb_phy_driver = { .probe = imx8mq_usb_phy_probe, + .remove = imx8mq_usb_phy_remove, .driver = { .name = "imx8mq-usb-phy", .of_match_table = imx8mq_usb_phy_of_match,