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Mon, 18 Nov 2024 11:10:11 +0900 (KST) Received: from epsmtrp2.samsung.com (unknown [182.195.40.14]) by epcas2p2.samsung.com (KnoxPortal) with ESMTPA id 20241118021011epcas2p21593217ccf58afddad5ce36f510e7cb6~I7hB9D7AP0257102571epcas2p2R; Mon, 18 Nov 2024 02:10:11 +0000 (GMT) Received: from epsmgms1p2new.samsung.com (unknown [182.195.42.42]) by epsmtrp2.samsung.com (KnoxPortal) with ESMTP id 20241118021011epsmtrp2d4021d77ccea7c03c426517c9b7e6f9f~I7hB7u13E2522625226epsmtrp2T; Mon, 18 Nov 2024 02:10:11 +0000 (GMT) X-AuditID: b6c32a46-a3785a800001e812-52-673aa203c27c Received: from epsmtip1.samsung.com ( [182.195.34.30]) by epsmgms1p2new.samsung.com (Symantec Messaging Gateway) with SMTP id 72.E5.19220.302AA376; Mon, 18 Nov 2024 11:10:11 +0900 (KST) Received: from asswp146.dsn.sec.samsung.com (unknown [10.229.19.146]) by epsmtip1.samsung.com (KnoxPortal) with ESMTPA id 20241118021011epsmtip1bc2dfd66fdb547e834f624596022cb99~I7hBtjur33059530595epsmtip1R; Mon, 18 Nov 2024 02:10:11 +0000 (GMT) From: Sowon Na To: robh@kernel.org, krzk@kernel.org, conor+dt@kernel.org, vkoul@kernel.org, alim.akhtar@samsung.com, kishon@kernel.org Cc: krzk+dt@kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-samsung-soc@vger.kernel.org, sowon.na@samsung.com, Krzysztof Kozlowski Subject: [PATCH v3 1/3] dt-bindings: phy: Add ExynosAutov920 UFS PHY bindings Date: Mon, 18 Nov 2024 11:10:04 +0900 Message-ID: <20241118021009.2858849-2-sowon.na@samsung.com> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20241118021009.2858849-1-sowon.na@samsung.com> Precedence: bulk X-Mailing-List: linux-samsung-soc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFprPJsWRmVeSWpSXmKPExsWy7bCmhS7zIqt0g9YLWhYP5m1js1iz9xyT xfwj51gtjrb+Z7Z4Oesem8X58xvYLfa+3spucXnXHDaLGef3MVn837OD3eL3z0NMFjvvnGB2 4PHYtKqTzePOtT1sHn1bVjF6fN4kF8ASlW2TkZqYklqkkJqXnJ+SmZduq+QdHO8cb2pmYKhr aGlhrqSQl5ibaqvk4hOg65aZA3SakkJZYk4pUCggsbhYSd/Opii/tCRVISO/uMRWKbUgJafA vECvODG3uDQvXS8vtcTK0MDAyBSoMCE7Y/LTDsaC/WwVs77dZmxgPMraxcjJISFgInF+3w+m LkYuDiGBHYwSF07OYodwPjFK7F+xnRHC+cYo8fDYWxaYlu0ndjNDJPYySjR3HmOFcH4xSlzu ugLUz8HBJqAqca2hCsQUEaiUmLvMGaSEWeAwo8TjD91sIIOEBfwlVu29zwxiswCVv/iyAMzm FbCWWPuhBeo+eYmLa56D1XMK2EjM3ryKHaJGUOLkzCdgBzED1TRvnQ12kIRAJ4fEnUvroJpd JBb9OsgGYQtLvDq+hR3ClpL4/G4vVDxfYv3Du1B2hcTdQ/+hvrSXWHTmJ9gvzAKaEut36YOY EgLKEkduQa3lk+g4/JcdIswr0dEmBNGoJNFxfg4ThC0hserFZKjhHhJHb6xjg4RUP6PE6uWL mCcwKsxC8s0sJN/MQli8gJF5FaNYakFxbnpqsVGBETyCk/NzNzGCU6qW2w7GKW8/6B1iZOJg PMQowcGsJMJ7ydU8XYg3JbGyKrUoP76oNCe1+BCjKTCsJzJLiSbnA5N6Xkm8oYmlgYmZmaG5 kamBuZI4773WuSlCAumJJanZqakFqUUwfUwcnFINTHx7llvtvKDvKLH3dKnc0ri/5WuOpT8q rtLVcvusLRh6XeXcxW8TfU+W9x1inqQqZFRcGLWi9VixiTvjh3NT3j/drVKy58+xnUu9tbl0 k15d74hJOCv95HLn3D+PMg4qbJ7+ffWSxWH8C0snZK1Pa59XsfPOgTkTj+X+tlzcNP3ogoMM 8TUCe9Zs2OGY56t7fLNuVIzZzcOq63Svs7S01f3hOMW6Of3cxtmvswWVdU1OPWZctv/kmW+W qs82ZS3dZPjmygVGrXs1re9mfzR8sXiKjGJ9x/eu6ybqjt/8TkjUi7F1TM0pZRGO2JHXv+Sp wU3bxvuZkZUVdqtUjafxvvvtdMp+SsCFTxcLDwiVKdgqsRRnJBpqMRcVJwIAi/FsnDIEAAA= X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFrrNLMWRmVeSWpSXmKPExsWy7bCSnC7zIqt0g0NPeS0ezNvGZrFm7zkm i/lHzrFaHG39z2zxctY9Novz5zewW+x9vZXd4vKuOWwWM87vY7L4v2cHu8Xvn4eYLHbeOcHs wOOxaVUnm8eda3vYPPq2rGL0+LxJLoAlissmJTUnsyy1SN8ugStj8tMOxoL9bBWzvt1mbGA8 ytrFyMkhIWAisf3EbuYuRi4OIYHdjBKnm/9AJSQkvr3ZwwRhC0vcbznCClH0g1Hi4JYlLF2M HBxsAqoS1xqqQOIiAo2MEs8/TAabxCxwklFi+p0/jCDdwgK+Epfa2tlAbBaghhdfFjCD2LwC 1hJrP7RAbZOXuLjmOVgNp4CNxOzNq9hBFggB1XQeCIcoF5Q4OfMJC4jNDFTevHU28wRGgVlI UrOQpBYwMq1ilEwtKM5Nzy02LDDKSy3XK07MLS7NS9dLzs/dxAgOfy2tHYx7Vn3QO8TIxMF4 iFGCg1lJhPeSq3m6EG9KYmVValF+fFFpTmrxIUZpDhYlcd5vr3tThATSE0tSs1NTC1KLYLJM HJxSDUzFTY5bM6e+eVa5/ZfDhm+vLmyJe5iUYX4gfbfmwwClY3OZUtL56zxY1Z8szY4qjF16 y2Lf4XcTJy/gtfBNbvJlSryRcdsjcjP/Nd6XXqEOSn8rVvN83ete2Zvl0+gnP8PbOmOhk7Fm kyh3ee/Txavj7346GfPh27LCb/vZCisPCtlP2fVvi1GXz6Y/Yb+PZDo0JHgWvpSPPclzbGLf JCPHp0lfL7TOXLgj4UH72Y4858ITR180TODINPhQ6q5wcOqDD0tXv9H5sbh9cvxso8mX+rxO HL4yJ2KpxTe7pVLOx5P619XErpR0D+2V6FZdmXPu/ZKuCD2JjTouwTuEM1cEp8QFroqYYDL5 60bX00lKLMUZiYZazEXFiQAHIz5j7gIAAA== X-CMS-MailID: 20241118021011epcas2p21593217ccf58afddad5ce36f510e7cb6 X-Msg-Generator: CA X-Sendblock-Type: AUTO_CONFIDENTIAL CMS-TYPE: 102P DLP-Filter: Pass X-CFilter-Loop: Reflected X-CMS-RootMailID: 20241118021011epcas2p21593217ccf58afddad5ce36f510e7cb6 References: <20241118021009.2858849-1-sowon.na@samsung.com> Add samsung,exynosautov920-ufs-phy compatible for ExynosAuto v920 SoC. Signed-off-by: Sowon Na Acked-by: Krzysztof Kozlowski --- Documentation/devicetree/bindings/phy/samsung,ufs-phy.yaml | 1 + 1 file changed, 1 insertion(+) diff --git a/Documentation/devicetree/bindings/phy/samsung,ufs-phy.yaml b/Documentation/devicetree/bindings/phy/samsung,ufs-phy.yaml index f402e31bf58d..d70ffeb6e824 100644 --- a/Documentation/devicetree/bindings/phy/samsung,ufs-phy.yaml +++ b/Documentation/devicetree/bindings/phy/samsung,ufs-phy.yaml @@ -18,6 +18,7 @@ properties: - google,gs101-ufs-phy - samsung,exynos7-ufs-phy - samsung,exynosautov9-ufs-phy + - samsung,exynosautov920-ufs-phy - tesla,fsd-ufs-phy reg: From patchwork Mon Nov 18 02:10:05 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?b?64KY7IaM7JuQL1NPV09OIE5B?= X-Patchwork-Id: 13878029 Received: from mailout2.samsung.com (mailout2.samsung.com [203.254.224.25]) (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 5E5B117993 for ; 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Mon, 18 Nov 2024 11:10:11 +0900 (KST) Received: from asswp146.dsn.sec.samsung.com (unknown [10.229.19.146]) by epsmtip1.samsung.com (KnoxPortal) with ESMTPA id 20241118021011epsmtip1712073d1a4e8884d26e3773a1d61dff4~I7hB1rTv13059530595epsmtip1S; Mon, 18 Nov 2024 02:10:11 +0000 (GMT) From: Sowon Na To: robh@kernel.org, krzk@kernel.org, conor+dt@kernel.org, vkoul@kernel.org, alim.akhtar@samsung.com, kishon@kernel.org Cc: krzk+dt@kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-samsung-soc@vger.kernel.org, sowon.na@samsung.com Subject: [PATCH v3 2/3] phy: samsung-ufs: support ExynosAutov920 ufs phy driver Date: Mon, 18 Nov 2024 11:10:05 +0900 Message-ID: <20241118021009.2858849-3-sowon.na@samsung.com> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20241118021009.2858849-1-sowon.na@samsung.com> Precedence: bulk X-Mailing-List: linux-samsung-soc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFprKJsWRmVeSWpSXmKPExsWy7bCmqS7zIqt0g60/9C0ezNvGZrFm7zkm i/lHzrFaHG39z2zxctY9Novz5zewW1zeNYfNYsb5fUwW//fsYLf4/fMQk8XOOyeYHbg9Nq3q ZPPo27KK0ePzJrkA5qhsm4zUxJTUIoXUvOT8lMy8dFsl7+B453hTMwNDXUNLC3MlhbzE3FRb JRefAF23zBygg5QUyhJzSoFCAYnFxUr6djZF+aUlqQoZ+cUltkqpBSk5BeYFesWJucWleel6 eaklVoYGBkamQIUJ2RlH3/xiL5jhW3Gp/QJ7A+MM5y5GTg4JAROJaTNfMHYxcnEICexglFhz 6xgrhPOJUWJK630mOOf44YuMMC1dx2eyQSR2MkqcvNQK1f+LUeLQm9dA/RwcbAKqEtcaqkBM EYFKibnLnEFKmAV6GSX676xlARkkLBAocWfXVXYQmwWofMPzVcwgNq+AtcSirZdYIJbJS1xc 85wNxOYUsJGYvXkVO0SNoMTJmU/AapiBapq3zmYGWSAh8JVd4vW2H0wQzS4S7Y3HoK4Wlnh1 fAs7hC0l8bK/DcrOl1j/8C4bhF0hcffQf6jF9hKLzvxkB3mAWUBTYv0ufRBTQkBZ4sgtqLV8 Eh2H/7JDhHklOtqEIBqVJDrOz4E6QEJi1YvJUMM9JD5cWwENqX5Gid7VJ5gmMCrMQvLNLCTf zEJYvICReRWjWGpBcW56arFRgQk8gpPzczcxgtOnlscOxtlvP+gdYmTiYDzEKMHBrCTCe8nV PF2INyWxsiq1KD++qDQntfgQoykwrCcyS4km5wMTeF5JvKGJpYGJmZmhuZGpgbmSOO+91rkp QgLpiSWp2ampBalFMH1MHJxSDUxJbjsm310d7PVp3u4qv/OL3vtfuX7Sb6N4bXr9hSk99i71 3EHL399lbAg5+F5Q2t4qUkDl9e1tIt7yO70XnerXbdnV498wWbpsdozn7Efz/k15EXXhjoas tM2lQuX+P40qihZTzyor/d4UKLrxW/uTDdef2po2nAiZ5L/m8lexPQ83/3k9YypDsQO3G3tG DNt1y/0JO86YZYbKHtzzxM7q+I6n9z123JX9c/tm9ORnEzS+cRxqa1BOT946Z3f0nnsrTPeV caz6voqvfYP1JAaux69zVXckiHoxXfwea2bNznwl7Nn5ufGhzHZ+CcIlBpOMLoWdEryX2nU8 rNzHzETU9lvQroALURufL/Q5cuiAEktxRqKhFnNRcSIA/mdl2CgEAAA= X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFjrLLMWRmVeSWpSXmKPExsWy7bCSnC7zIqt0gyfrhC0ezNvGZrFm7zkm i/lHzrFaHG39z2zxctY9Novz5zewW1zeNYfNYsb5fUwW//fsYLf4/fMQk8XOOyeYHbg9Nq3q ZPPo27KK0ePzJrkA5igum5TUnMyy1CJ9uwSujKNvfrEXzPCtuNR+gb2BcYZzFyMnh4SAiUTX 8ZlsXYxcHEIC2xklunp+skIkJCS+vdnDBGELS9xvOcIKUfSDUeLd0lNADgcHm4CqxLWGKpC4 iEAjo8TzD5OZQRxmgYmMEufnHWEH6RYW8JeYtvUJG4jNAtSw4fkqZhCbV8BaYtHWSywQG+Ql Lq55DlbDKWAjMXvzKnaQBUJANZ0HwiHKBSVOznwCVs4MVN68dTbzBEaBWUhSs5CkFjAyrWIU TS0ozk3PTS4w1CtOzC0uzUvXS87P3cQIDnGtoB2My9b/1TvEyMTBeIhRgoNZSYT3kqt5uhBv SmJlVWpRfnxRaU5q8SFGaQ4WJXFe5ZzOFCGB9MSS1OzU1ILUIpgsEwenVAOTduUH2U02P27z yimYblyjd5lzi7LD5Nszv7fN1dlZtVUhaZtB0vInt/ct3jPr//EJLpf27t0nbJGyVnHbqV6F AN363tD7h2Z+cDuT7cg3zVDazOvP4Y15hppZGne6NryNW7p8pvD1Evnd5cWBGzZMnsn0ukBm 3ao2g+0/YlSFb5s95eVYve7t9HalP7xbj3+X+dPjcbW39C/ru2NnJsmenZX+zT51c+vKe9Fe MnvXrHWJ+xcX/36F8o0z6a2heYr5pZ85Hiuax6Q/Ul44+Z3G5pxj17std/z9asgUvn8+q0OO UqPvajv9+0virjoffXO+dVajz9w17jrv/Xiz9QxFZKbpMDz8md+uJWr1Yss+ayWW4oxEQy3m ouJEAFIUUw3gAgAA X-CMS-MailID: 20241118021011epcas2p4b71dadce42a321213bdf8d445a312a8f X-Msg-Generator: CA X-Sendblock-Type: AUTO_CONFIDENTIAL CMS-TYPE: 102P DLP-Filter: Pass X-CFilter-Loop: Reflected X-CMS-RootMailID: 20241118021011epcas2p4b71dadce42a321213bdf8d445a312a8f References: <20241118021009.2858849-1-sowon.na@samsung.com> Add support for ExynosAutov920 ufs phy driver. Signed-off-by: Sowon Na --- drivers/phy/samsung/Makefile | 1 + drivers/phy/samsung/phy-exynosautov920-ufs.c | 167 +++++++++++++++++++ drivers/phy/samsung/phy-samsung-ufs.c | 9 +- drivers/phy/samsung/phy-samsung-ufs.h | 4 + 4 files changed, 178 insertions(+), 3 deletions(-) create mode 100644 drivers/phy/samsung/phy-exynosautov920-ufs.c diff --git a/drivers/phy/samsung/Makefile b/drivers/phy/samsung/Makefile index fea1f96d0e43..342682638a87 100644 --- a/drivers/phy/samsung/Makefile +++ b/drivers/phy/samsung/Makefile @@ -7,6 +7,7 @@ phy-exynos-ufs-y += phy-gs101-ufs.o phy-exynos-ufs-y += phy-samsung-ufs.o phy-exynos-ufs-y += phy-exynos7-ufs.o phy-exynos-ufs-y += phy-exynosautov9-ufs.o +phy-exynos-ufs-y += phy-exynosautov920-ufs.o phy-exynos-ufs-y += phy-fsd-ufs.o obj-$(CONFIG_PHY_SAMSUNG_USB2) += phy-exynos-usb2.o phy-exynos-usb2-y += phy-samsung-usb2.o diff --git a/drivers/phy/samsung/phy-exynosautov920-ufs.c b/drivers/phy/samsung/phy-exynosautov920-ufs.c new file mode 100644 index 000000000000..8a7ba159bbfe --- /dev/null +++ b/drivers/phy/samsung/phy-exynosautov920-ufs.c @@ -0,0 +1,167 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * UFS PHY driver data for Samsung ExynosAuto v920 SoC + * + * Copyright (C) 2024 Samsung Electronics Co., Ltd. + */ + +#include "phy-samsung-ufs.h" + +#define EXYNOSAUTOV920_EMBEDDED_COMBO_PHY_CTRL 0x708 +#define EXYNOSAUTOV920_EMBEDDED_COMBO_PHY_CTRL_MASK 0x1 +#define EXYNOSAUTOV920_EMBEDDED_COMBO_PHY_CTRL_EN BIT(0) +#define EXYNOSAUTOV920_EMBEDDED_COMBO_PHY_CDR_LOCK_STATUS 0x5e + +#define EXYNOSAUTOV920_CDR_LOCK_OFFSET 0xCE4 + +#define PHY_EXYNOSAUTOV920_LANE_OFFSET 0x200 +#define PHY_TRSV_REG_CFG_AUTOV920(o, v, d) \ + PHY_TRSV_REG_CFG_OFFSET(o, v, d, PHY_EXYNOSAUTOV920_LANE_OFFSET) + +/* Calibration for phy initialization */ +static const struct samsung_ufs_phy_cfg exynosautov920_pre_init_cfg[] = { + PHY_COMN_REG_CFG(0x29, 0x22, PWR_MODE_ANY), + PHY_COMN_REG_CFG(0x43, 0x10, PWR_MODE_ANY), + PHY_COMN_REG_CFG(0x3C, 0x14, PWR_MODE_ANY), + PHY_COMN_REG_CFG(0x46, 0x48, PWR_MODE_ANY), + PHY_COMN_REG_CFG(0x04, 0x95, PWR_MODE_ANY), + PHY_COMN_REG_CFG(0x06, 0x30, PWR_MODE_ANY), + + PHY_TRSV_REG_CFG_AUTOV920(0x200, 0x00, PWR_MODE_ANY), + PHY_TRSV_REG_CFG_AUTOV920(0x201, 0x06, PWR_MODE_ANY), + PHY_TRSV_REG_CFG_AUTOV920(0x202, 0x06, PWR_MODE_ANY), + PHY_TRSV_REG_CFG_AUTOV920(0x203, 0x0A, PWR_MODE_ANY), + PHY_TRSV_REG_CFG_AUTOV920(0x204, 0x00, PWR_MODE_ANY), + PHY_TRSV_REG_CFG_AUTOV920(0x205, 0x10, PWR_MODE_ANY), + PHY_TRSV_REG_CFG_AUTOV920(0x207, 0x0C, PWR_MODE_ANY), + PHY_TRSV_REG_CFG_AUTOV920(0x2E1, 0xC0, PWR_MODE_ANY), + PHY_TRSV_REG_CFG_AUTOV920(0x22D, 0xF8, PWR_MODE_ANY), + PHY_TRSV_REG_CFG_AUTOV920(0x234, 0x60, PWR_MODE_ANY), + PHY_TRSV_REG_CFG_AUTOV920(0x238, 0x13, PWR_MODE_ANY), + PHY_TRSV_REG_CFG_AUTOV920(0x239, 0x48, PWR_MODE_ANY), + PHY_TRSV_REG_CFG_AUTOV920(0x23A, 0x01, PWR_MODE_ANY), + PHY_TRSV_REG_CFG_AUTOV920(0x23B, 0x29, PWR_MODE_ANY), + PHY_TRSV_REG_CFG_AUTOV920(0x23C, 0x2A, PWR_MODE_ANY), + PHY_TRSV_REG_CFG_AUTOV920(0x23D, 0x01, PWR_MODE_ANY), + PHY_TRSV_REG_CFG_AUTOV920(0x23E, 0x14, PWR_MODE_ANY), + PHY_TRSV_REG_CFG_AUTOV920(0x23F, 0x13, PWR_MODE_ANY), + + PHY_TRSV_REG_CFG_AUTOV920(0x240, 0x4A, PWR_MODE_ANY), + PHY_TRSV_REG_CFG_AUTOV920(0x243, 0x40, PWR_MODE_ANY), + PHY_TRSV_REG_CFG_AUTOV920(0x244, 0x02, PWR_MODE_ANY), + PHY_TRSV_REG_CFG_AUTOV920(0x25D, 0x00, PWR_MODE_ANY), + PHY_TRSV_REG_CFG_AUTOV920(0x25E, 0x3F, PWR_MODE_ANY), + PHY_TRSV_REG_CFG_AUTOV920(0x25F, 0xFF, PWR_MODE_ANY), + PHY_TRSV_REG_CFG_AUTOV920(0x26F, 0xF0, PWR_MODE_ANY), + PHY_TRSV_REG_CFG_AUTOV920(0x273, 0x33, PWR_MODE_ANY), + PHY_TRSV_REG_CFG_AUTOV920(0x274, 0x50, PWR_MODE_ANY), + + PHY_TRSV_REG_CFG_AUTOV920(0x284, 0x02, PWR_MODE_ANY), + PHY_TRSV_REG_CFG_AUTOV920(0x285, 0x02, PWR_MODE_ANY), + PHY_TRSV_REG_CFG_AUTOV920(0x2A2, 0x04, PWR_MODE_ANY), + PHY_TRSV_REG_CFG_AUTOV920(0x27D, 0x01, PWR_MODE_ANY), + PHY_TRSV_REG_CFG_AUTOV920(0x2FA, 0x01, PWR_MODE_ANY), + + PHY_TRSV_REG_CFG_AUTOV920(0x286, 0x03, PWR_MODE_ANY), + PHY_TRSV_REG_CFG_AUTOV920(0x287, 0x03, PWR_MODE_ANY), + PHY_TRSV_REG_CFG_AUTOV920(0x288, 0x03, PWR_MODE_ANY), + PHY_TRSV_REG_CFG_AUTOV920(0x289, 0x03, PWR_MODE_ANY), + PHY_TRSV_REG_CFG_AUTOV920(0x2B3, 0x04, PWR_MODE_ANY), + PHY_TRSV_REG_CFG_AUTOV920(0x2B6, 0x0B, PWR_MODE_ANY), + PHY_TRSV_REG_CFG_AUTOV920(0x2B7, 0x0B, PWR_MODE_ANY), + PHY_TRSV_REG_CFG_AUTOV920(0x2B8, 0x0B, PWR_MODE_ANY), + PHY_TRSV_REG_CFG_AUTOV920(0x2B9, 0x0B, PWR_MODE_ANY), + PHY_TRSV_REG_CFG_AUTOV920(0x2BA, 0x0B, PWR_MODE_ANY), + PHY_TRSV_REG_CFG_AUTOV920(0x2BB, 0x06, PWR_MODE_ANY), + PHY_TRSV_REG_CFG_AUTOV920(0x2BC, 0x06, PWR_MODE_ANY), + PHY_TRSV_REG_CFG_AUTOV920(0x2BD, 0x06, PWR_MODE_ANY), + PHY_TRSV_REG_CFG_AUTOV920(0x2BE, 0x06, PWR_MODE_ANY), + PHY_TRSV_REG_CFG_AUTOV920(0x34B, 0x01, PWR_MODE_ANY), + PHY_TRSV_REG_CFG_AUTOV920(0x34C, 0x24, PWR_MODE_ANY), + PHY_TRSV_REG_CFG_AUTOV920(0x34D, 0x23, PWR_MODE_ANY), + PHY_TRSV_REG_CFG_AUTOV920(0x34E, 0x45, PWR_MODE_ANY), + PHY_TRSV_REG_CFG_AUTOV920(0x34F, 0x00, PWR_MODE_ANY), + PHY_TRSV_REG_CFG_AUTOV920(0x350, 0x31, PWR_MODE_ANY), + PHY_TRSV_REG_CFG_AUTOV920(0x351, 0x00, PWR_MODE_ANY), + PHY_TRSV_REG_CFG_AUTOV920(0x352, 0x02, PWR_MODE_ANY), + PHY_TRSV_REG_CFG_AUTOV920(0x353, 0x00, PWR_MODE_ANY), + PHY_TRSV_REG_CFG_AUTOV920(0x354, 0x01, PWR_MODE_ANY), + + PHY_COMN_REG_CFG(0x43, 0x18, PWR_MODE_ANY), + PHY_COMN_REG_CFG(0x43, 0x00, PWR_MODE_ANY), + + END_UFS_PHY_CFG, +}; + +/* Calibration for HS mode series A/B */ +static const struct samsung_ufs_phy_cfg exynosautov920_pre_pwr_hs_cfg[] = { + PHY_TRSV_REG_CFG_AUTOV920(0x369, 0x11, PWR_MODE_ANY), + PHY_TRSV_REG_CFG_AUTOV920(0x246, 0x03, PWR_MODE_ANY), + + END_UFS_PHY_CFG, +}; + +static const struct samsung_ufs_phy_cfg exynosautov920_post_pwr_hs_cfg[] = { + END_UFS_PHY_CFG, +}; + +#define DELAY_IN_US 40 +#define RETRY_CNT 100 +#define EXYNOSAUTOV920_CDR_LOCK_MASK 0x8 +int exynosautov920_ufs_phy_wait_cdr_lock(struct phy *phy, u8 lane) +{ + struct samsung_ufs_phy *ufs_phy = get_samsung_ufs_phy(phy); + u32 reg, i; + + struct samsung_ufs_phy_cfg cfg[4] = { + PHY_TRSV_REG_CFG_AUTOV920(0x222, 0x10, PWR_MODE_ANY), + PHY_TRSV_REG_CFG_AUTOV920(0x222, 0x18, PWR_MODE_ANY), + PHY_TRSV_REG_CFG_AUTOV920(0x246, 0x01, PWR_MODE_ANY), + END_UFS_PHY_CFG, + }; + + for (i = 0; i < RETRY_CNT; i++) { + udelay(DELAY_IN_US); + + reg = readl(ufs_phy->reg_pma + EXYNOSAUTOV920_CDR_LOCK_OFFSET + + (PHY_APB_ADDR(PHY_EXYNOSAUTOV920_LANE_OFFSET) * lane)); + + if ((reg & EXYNOSAUTOV920_CDR_LOCK_MASK) + == EXYNOSAUTOV920_CDR_LOCK_MASK) { + samsung_ufs_phy_config(ufs_phy, &cfg[2], lane); + return 0; + } + + udelay(DELAY_IN_US); + + /* Disable and enable CDR */ + samsung_ufs_phy_config(ufs_phy, &cfg[0], lane); + samsung_ufs_phy_config(ufs_phy, &cfg[1], lane); + } + + dev_err(ufs_phy->dev, "failed to get phy cdr lock\n"); + return -ETIMEDOUT; +} + +static const struct samsung_ufs_phy_cfg *exynosautov920_ufs_phy_cfgs[CFG_TAG_MAX] = { + [CFG_PRE_INIT] = exynosautov920_pre_init_cfg, + [CFG_PRE_PWR_HS] = exynosautov920_pre_pwr_hs_cfg, + [CFG_POST_PWR_HS] = exynosautov920_post_pwr_hs_cfg, +}; + +static const char * const exynosautov920_ufs_phy_clks[] = { + "ref_clk", +}; + +const struct samsung_ufs_phy_drvdata exynosautov920_ufs_phy = { + .cfgs = exynosautov920_ufs_phy_cfgs, + .isol = { + .offset = EXYNOSAUTOV920_EMBEDDED_COMBO_PHY_CTRL, + .mask = EXYNOSAUTOV920_EMBEDDED_COMBO_PHY_CTRL_MASK, + .en = EXYNOSAUTOV920_EMBEDDED_COMBO_PHY_CTRL_EN, + }, + .clk_list = exynosautov920_ufs_phy_clks, + .num_clks = ARRAY_SIZE(exynosautov920_ufs_phy_clks), + .cdr_lock_status_offset = EXYNOSAUTOV920_EMBEDDED_COMBO_PHY_CDR_LOCK_STATUS, + .wait_for_cdr = exynosautov920_ufs_phy_wait_cdr_lock, +}; diff --git a/drivers/phy/samsung/phy-samsung-ufs.c b/drivers/phy/samsung/phy-samsung-ufs.c index 6c5d41552649..c13fe149bc75 100644 --- a/drivers/phy/samsung/phy-samsung-ufs.c +++ b/drivers/phy/samsung/phy-samsung-ufs.c @@ -28,9 +28,9 @@ #define PHY_DEF_LANE_CNT 1 -static void samsung_ufs_phy_config(struct samsung_ufs_phy *phy, - const struct samsung_ufs_phy_cfg *cfg, - u8 lane) +void samsung_ufs_phy_config(struct samsung_ufs_phy *phy, + const struct samsung_ufs_phy_cfg *cfg, + u8 lane) { enum {LANE_0, LANE_1}; /* lane index */ @@ -323,6 +323,9 @@ static const struct of_device_id samsung_ufs_phy_match[] = { }, { .compatible = "samsung,exynosautov9-ufs-phy", .data = &exynosautov9_ufs_phy, + }, { + .compatible = "samsung,exynosautov920-ufs-phy", + .data = &exynosautov920_ufs_phy, }, { .compatible = "tesla,fsd-ufs-phy", .data = &fsd_ufs_phy, diff --git a/drivers/phy/samsung/phy-samsung-ufs.h b/drivers/phy/samsung/phy-samsung-ufs.h index 9b7deef6e10f..a28f148081d1 100644 --- a/drivers/phy/samsung/phy-samsung-ufs.h +++ b/drivers/phy/samsung/phy-samsung-ufs.h @@ -143,9 +143,13 @@ static inline void samsung_ufs_phy_ctrl_isol( } int samsung_ufs_phy_wait_for_lock_acq(struct phy *phy, u8 lane); +int exynosautov920_ufs_phy_wait_cdr_lock(struct phy *phy, u8 lane); +void samsung_ufs_phy_config(struct samsung_ufs_phy *phy, + const struct samsung_ufs_phy_cfg *cfg, u8 lane); extern const struct samsung_ufs_phy_drvdata exynos7_ufs_phy; extern const struct samsung_ufs_phy_drvdata exynosautov9_ufs_phy; +extern const struct samsung_ufs_phy_drvdata exynosautov920_ufs_phy; extern const struct samsung_ufs_phy_drvdata fsd_ufs_phy; extern const struct samsung_ufs_phy_drvdata tensor_gs101_ufs_phy; From patchwork Mon Nov 18 02:10:06 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?b?64KY7IaM7JuQL1NPV09OIE5B?= X-Patchwork-Id: 13878031 Received: from mailout2.samsung.com (mailout2.samsung.com [203.254.224.25]) (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 B3FEC53370 for ; Mon, 18 Nov 2024 02:10:24 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none 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epsmtrp2.samsung.com (KnoxPortal) with ESMTP id 20241118021011epsmtrp255bbed424660a744d2323bf7c2d215b0~I7hCHjDCj2522625226epsmtrp2U; Mon, 18 Nov 2024 02:10:11 +0000 (GMT) X-AuditID: b6c32a43-761ff7000000216f-1e-673aa2032ef7 Received: from epsmtip1.samsung.com ( [182.195.34.30]) by epsmgmcp1.samsung.com (Symantec Messaging Gateway) with SMTP id 68.6C.18937.302AA376; Mon, 18 Nov 2024 11:10:11 +0900 (KST) Received: from asswp146.dsn.sec.samsung.com (unknown [10.229.19.146]) by epsmtip1.samsung.com (KnoxPortal) with ESMTPA id 20241118021011epsmtip13ab02fa5782ed0ed6ef761f555abed7e~I7hB6jKJj3234932349epsmtip1X; Mon, 18 Nov 2024 02:10:11 +0000 (GMT) From: Sowon Na To: robh@kernel.org, krzk@kernel.org, conor+dt@kernel.org, vkoul@kernel.org, alim.akhtar@samsung.com, kishon@kernel.org Cc: krzk+dt@kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-samsung-soc@vger.kernel.org, sowon.na@samsung.com Subject: [PATCH v3 3/3] arm64: dts: exynosautov920: add ufs phy for 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20241118021011epcas2p3db133a3cffb13fba8ce3c973d8ffff65 References: <20241118021009.2858849-1-sowon.na@samsung.com> Add UFS Phy for ExynosAutov920 Like ExynosAutov9, this also uses fixed-rate clock nodes until clock driver has been supported. The clock nodes are initialized on bootloader stage thus we don't need to control them so far. Signed-off-by: Sowon Na --- arch/arm64/boot/dts/exynos/exynosautov920.dtsi | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/arch/arm64/boot/dts/exynos/exynosautov920.dtsi b/arch/arm64/boot/dts/exynos/exynosautov920.dtsi index c759134c909e..505ba04722de 100644 --- a/arch/arm64/boot/dts/exynos/exynosautov920.dtsi +++ b/arch/arm64/boot/dts/exynos/exynosautov920.dtsi @@ -361,6 +361,17 @@ pinctrl_aud: pinctrl@1a460000 { compatible = "samsung,exynosautov920-pinctrl"; reg = <0x1a460000 0x10000>; }; + + ufs_0_phy: phy@16e04000 { + compatible = "samsung,exynosautov920-ufs-phy"; + reg = <0x16e04000 0x4000>; + reg-names = "phy-pma"; + clocks = <&xtcxo>; + clock-names = "ref_clk"; + samsung,pmu-syscon = <&pmu_system_controller>; + #phy-cells = <0>; + status = "disabled"; + }; }; timer {