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Thu, 7 Nov 2024 04:15:11 +0000 (GMT) Received: from epsmgmc1p1new.samsung.com (unknown [182.195.42.40]) by epsmtrp1.samsung.com (KnoxPortal) with ESMTP id 20241107041511epsmtrp16a715b6d5e45380e16d2b0b76484069c~FlIBnbyPE2418524185epsmtrp1Y; Thu, 7 Nov 2024 04:15:11 +0000 (GMT) X-AuditID: b6c32a47-37c38a8000002630-26-672c3ecf7ce8 Received: from epsmtip2.samsung.com ( [182.195.34.31]) by epsmgmc1p1new.samsung.com (Symantec Messaging Gateway) with SMTP id 52.25.07371.ECE3C276; Thu, 7 Nov 2024 13:15:10 +0900 (KST) Received: from asswp146.dsn.sec.samsung.com (unknown [10.229.19.146]) by epsmtip2.samsung.com (KnoxPortal) with ESMTPA id 20241107041510epsmtip2eb41f209b758a90331ba888188d500c5~FlIBYo4J91200412004epsmtip2N; Thu, 7 Nov 2024 04:15:10 +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 1/3] dt-bindings: phy: Add ExynosAutov920 UFS PHY bindings Date: Thu, 7 Nov 2024 13:15:03 +0900 Message-ID: <20241107041509.824457-3-sowon.na@samsung.com> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20241107041509.824457-1-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+NgFprKJsWRmVeSWpSXmKPExsWy7bCmhe55O510g9bFghYP5m1js1iz9xyT xfwj51gtjrb+Z7Z4Oesem8X58xvYLS7vmsNmMeP8PiaL/3t2sFv8/nmIyWLnnRPMDtwem1Z1 snn0bVnF6PF5k1wAc1S2TUZqYkpqkUJqXnJ+SmZeuq2Sd3C8c7ypmYGhrqGlhbmSQl5ibqqt kotPgK5bZg7QQUoKZYk5pUChgMTiYiV9O5ui/NKSVIWM/OISW6XUgpScAvMCveLE3OLSvHS9 vNQSK0MDAyNToMKE7IybK54yFvxnrVh84ghzA2MXaxcjJ4eEgIlE79UvQDYXh5DADkaJ/veT mCGcT4wS5+fsgXK+MUr0LFrHDNMyY/V6qMReRokX99rYIZxfjBJzjp9l6mLk4GATUJW41lAF YooIVErMXeYMUsIs0Au04s5aFpBBwgJeEke332ICsVmAyve0XQW7iVfASmLy9ensEMvkJS6u ec4GYnMKWEvMuvaUHaJGUOLkzCdgc5iBapq3zgY7SELgJ7tE6+5dbBDNLhK/bv1hgrCFJV4d 3wI1VEriZX8blJ0vsf7hXaj6Com7h/6zQNj2EovO/GQHeYBZQFNi/S59EFNCQFniyC2otXwS HYf/skOEeSU62oQgGpUkOs7PgVoqIbHqxWSo4R4SS68egQZbH6PEpecLWScwKsxC8s0sJN/M Qli8gJF5FaNYakFxbnpqsVGBMTyCk/NzNzGC06eW+w7GGW8/6B1iZOJgPMQowcGsJMLrH6Wd LsSbklhZlVqUH19UmpNafIjRFBjWE5mlRJPzgQk8ryTe0MTSwMTMzNDcyNTAXEmc917r3BQh gfTEktTs1NSC1CKYPiYOTqkGpkMna76/b/VZUJX7Ief695iSmdEf9XWkZ+/zfzdlz48GtdVv 0g+2hi+pW1yj9/aDrqD6w5SVHBOOLp8W9eDVuqL7azYtW2W6JNsh9IW4aPXTB4vNT7zY2LDM vPfGM0nj5P9h+2bMPJDZ2u3yk4PFdvEs98isTWU/vx9zmqHXpJOzo9l0w0tmRc3DkSx1OZ9c NOP0PwibGeUZWMmnNCe8CK/vLahXcxFw/hz/KPX0oUXNW86YyUeq6176Xb4xgX/v7RJndz2b HTuMOX1jghXf3ZFPtzQJD+6dKf0vKXjH9/WZcs8OTMjWi1Lfvv5WSG2Yj+GN02f4jbZKbV9/ c5WR/a9rBXr8H/Q1Fu37XXVNXImlOCPRUIu5qDgRAC/XB8goBAAA X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFrrELMWRmVeSWpSXmKPExsWy7bCSvO45O510g+W7zS0ezNvGZrFm7zkm i/lHzrFaHG39z2zxctY9Novz5zewW1zeNYfNYsb5fUwW//fsYLf4/fMQk8XOOyeYHbg9Nq3q ZPPo27KK0ePzJrkA5igum5TUnMyy1CJ9uwSujJsrnjIW/GetWHziCHMDYxdrFyMnh4SAicSM 1euZuxi5OIQEdjNKvFp+hgUiISHx7c0eJghbWOJ+yxFWiKIfjBKf294DFXFwsAmoSlxrqAKJ iwg0Mko8/zAZbBKzwERGifPzjrCDdAsLeEkc3X4LbBILUMOetqtgq3kFrCQmX5/ODrFBXuLi mudsIDangLXErGtPweJCQDVPty5kh6gXlDg58wnYdcxA9c1bZzNPYBSYhSQ1C0lqASPTKkbJ 1ILi3PTcZMMCw7zUcr3ixNzi0rx0veT83E2M4GDX0tjBeG/+P71DjEwcjIcYJTiYlUR4/aO0 04V4UxIrq1KL8uOLSnNSiw8xSnOwKInzGs6YnSIkkJ5YkpqdmlqQWgSTZeLglGpgUi+PU1Nd Mmn9dMlpSbpXdYqUzotODpfYI71sxoHHZREiPfFbY0XY4rhWf87NZOVKYDh6yGrZalNb1e9T DvCsd1V0j9+Q7rLb64/91KJPGwx9r7LXq6VtuBSos2fh9Y7EchaTl3cYElrfZj35UpuU5MSx p/xp2EmTNb+rvx++PvGMyY353x5phexJXP3o/YIcScv9d2/8vvnNdeKxGXZLWZZnij3c6/Ol 3NJC4UNGU+3rzktzNwQx3Ztz6YXYnRN3HfmP7XVbuN8y0blxf4Ywr3ChXq+a1MvkS0VXN76X Ofh9VaPBdp+Q93kqhX4fP1ut4rN5t0W32t/Nx1hxcbrzXO2o+oJNWx3XNXpf2shSqcRSnJFo qMVcVJwIAFePS83lAgAA X-CMS-MailID: 20241107041511epcas2p285a5b52a6784e509977a1574f7c9ee4a X-Msg-Generator: CA X-Sendblock-Type: AUTO_CONFIDENTIAL CMS-TYPE: 102P DLP-Filter: Pass X-CFilter-Loop: Reflected X-CMS-RootMailID: 20241107041511epcas2p285a5b52a6784e509977a1574f7c9ee4a References: <20241107041509.824457-1-sowon.na@samsung.com> Add samsung,exynosautov920-ufs-phy compatible for ExynosAuto v920 SoC. Signed-off-by: Sowon Na --- 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 Thu Nov 7 04:15:04 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sowon Na X-Patchwork-Id: 841647 Received: from mailout4.samsung.com (mailout4.samsung.com [203.254.224.34]) (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 EE1D31885BD for ; 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Thu, 7 Nov 2024 13:15:10 +0900 (KST) Received: from asswp146.dsn.sec.samsung.com (unknown [10.229.19.146]) by epsmtip2.samsung.com (KnoxPortal) with ESMTPA id 20241107041510epsmtip2cc5f27badafcebf0339bc7d822473327~FlIBeqf5a1197911979epsmtip2R; Thu, 7 Nov 2024 04:15:10 +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 2/3] phy: samsung-ufs: support exynosauto ufs phy driver Date: Thu, 7 Nov 2024 13:15:04 +0900 Message-ID: <20241107041509.824457-4-sowon.na@samsung.com> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20241107041509.824457-1-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+NgFprMJsWRmVeSWpSXmKPExsWy7bCmue55O510g0v3JSwezNvGZrFm7zkm i/lHzrFaHG39z2zxctY9Novz5zewW1zeNYfNYsb5fUwW//fsYLf4/fMQk8XOOyeYHbg9Nq3q ZPPo27KK0ePzJrkA5qhsm4zUxJTUIoXUvOT8lMy8dFsl7+B453hTMwNDXUNLC3MlhbzE3FRb JRefAF23zBygg5QUyhJzSoFCAYnFxUr6djZF+aUlqQoZ+cUltkqpBSk5BeYFesWJucWleel6 eaklVoYGBkamQIUJ2RlX+q4wFpzyqri++CNLA+NPhy5GDg4JAROJa6ujuxi5OIQEdjBKbPve zQjhfGKUeHnqMCuE841RoqdlMksXIydEx8/ZTCC2kMBeRonZ3XEQRb8YJaY8vMMEMpZNQFXi WkMViCkiUCkxd5kzSAmzQC+jRP+dtWBzhAU8JC5f/M4OYrMAlZ/d3coGYvMKWEncedrJDrFL XuLimudgcU4Ba4lZ156yQ9QISpyc+QRsDjNQTfPW2cwgCyQEfrJLzOrdDXWoi8SEhq2MELaw xKvjW6CGSkm87G+DsvMl1j+8ywZhV0jcPfQfqtdeYtGZn+wgDzALaEqs36UPCS1liSO3oNby SXQc/ssOEeaV6GgTgmhUkug4P4cJwpaQWPViMtRwD4mDE+4yQ0Kqj1FiXe8ylgmMCrOQfDML yTezEBYvYGRexSiWWlCcm55abFRgCI/e5PzcTYzg1KnluoNx8tsPeocYmTgYDzFKcDArifD6 R2mnC/GmJFZWpRblxxeV5qQWH2I0BYb1RGYp0eR8YPLOK4k3NLE0MDEzMzQ3MjUwVxLnvdc6 N0VIID2xJDU7NbUgtQimj4mDU6qBSVLIc86WW3v+sEk8/zF336JpAV7fPP60vLrQOdPsV8wx ufUPzNR+ZsnNTFC5VfHQbPp+nUrF1+nTbSZPn75OJH1x8vpPiecP73JaN0fnk8fzU/LtaxKW b+kviuzmLaw467hzvtLdQzNfuWx5qO1775uxwMSC0r3plR2rpTc6mPNzT1d1YpGfqyJlq1fg eDay5/Uxb5W1a9O+Ljxl0ZKxQqUzXb5r/nvNXbJ/ih/Nqsl48/qYvxbv7LjveT7a511ecQe0 Hz//4YLP/UzfKa43sh/qrFpiEby/cLKbyP/akIgvEaG82TMW3mX8vJd75qXFrz74u+/b/lOm TtxK2Tp2rUvHkQfXuef6X3I6F7aLf6ISS3FGoqEWc1FxIgCjn1LdJgQAAA== X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFrrELMWRmVeSWpSXmKPExsWy7bCSvO45O510g74H1hYP5m1js1iz9xyT xfwj51gtjrb+Z7Z4Oesem8X58xvYLS7vmsNmMeP8PiaL/3t2sFv8/nmIyWLnnRPMDtwem1Z1 snn0bVnF6PF5k1wAcxSXTUpqTmZZapG+XQJXxpW+K4wFp7wqri/+yNLA+NOhi5GTQ0LAROLa z9lMXYxcHEICuxkl9t14ygSRkJD49mYPlC0scb/lCCtE0Q9GiYYfs4EcDg42AVWJaw1VIHER gUZGiecfJjODOMwCExklzs87wg7SLSzgIXH54ncwmwWo4ezuVjYQm1fASuLO0052iA3yEhfX PAeLcwpYS8y69hQsLgRU83TrQnaIekGJkzOfsIDYzED1zVtnM09gFJiFJDULSWoBI9MqRsnU guLc9NxiwwKjvNRyveLE3OLSvHS95PzcTYzgYNfS2sG4Z9UHvUOMTByMhxglOJiVRHj9o7TT hXhTEiurUovy44tKc1KLDzFKc7AoifN+e92bIiSQnliSmp2aWpBaBJNl4uCUamDqnqX9yy7i 2Ubb2qrmX603m7e11f5rd3s/caLKLeYtRxlFVlYsfDxJKjYxOiKiIq61ZOFTgwmPVFv4Pi46 vl56ZujC7HRXmYiqT7dkqnZOkqk5ZrI9inu/vo+D2HEtvyN6B04+2LYnWap50uOcSz9mM301 j4lvSGrb8/phKZu7k2OC9v2Qouq1n67HV6z4/fod3+/IitRtPXe546MKn1tafFT3q5hkne5f s+ZUjq32JatXiasELzUc+XbPo77bgP2ECLfI6pez9DZt65v++tl/3v8FJde15qtkzxETmz9n t35+nN+0Luf1CTuv202rOfLVJkj1xqodc/OMb1548ls/amPtC7WtG0wmPwzXLU9WYinOSDTU Yi4qTgQAYzBxY+UCAAA= X-CMS-MailID: 20241107041511epcas2p295c24724f736363ef8a765a165979bca X-Msg-Generator: CA X-Sendblock-Type: AUTO_CONFIDENTIAL CMS-TYPE: 102P DLP-Filter: Pass X-CFilter-Loop: Reflected X-CMS-RootMailID: 20241107041511epcas2p295c24724f736363ef8a765a165979bca References: <20241107041509.824457-1-sowon.na@samsung.com> Support phy-exynosautov920-ufs driver for ExynosAutov920 series SoCs, using "samsung,exynosautov920-ufs-phy" compatible. Signed-off-by: Sowon Na --- drivers/phy/samsung/Makefile | 1 + drivers/phy/samsung/phy-exynosautov920-ufs.c | 159 +++++++++++++++++++ drivers/phy/samsung/phy-samsung-ufs.c | 9 +- drivers/phy/samsung/phy-samsung-ufs.h | 4 + 4 files changed, 170 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..8f4a94e13781 --- /dev/null +++ b/drivers/phy/samsung/phy-exynosautov920-ufs.c @@ -0,0 +1,159 @@ +// 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 PHY_TRSV_REG_CFG_AUTOV920(o, v, d) \ + PHY_TRSV_REG_CFG_OFFSET(o, v, d, 0x200) + +/* 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 MASK 0x8 +int samsung_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 + 0xCE4 + (0x800 * lane)); + if ((reg & MASK) == MASK) + break; + + udelay(DELAY_IN_US); + + samsung_ufs_phy_config(ufs_phy, &cfg[0], lane); + samsung_ufs_phy_config(ufs_phy, &cfg[1], lane); + } + + samsung_ufs_phy_config(ufs_phy, &cfg[2], lane); + + return 0; +} + +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 = samsung_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..b7a8ec6bcafa 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 samsung_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 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13:15:11 +0900 (KST) Received: from asswp146.dsn.sec.samsung.com (unknown [10.229.19.146]) by epsmtip2.samsung.com (KnoxPortal) with ESMTPA id 20241107041510epsmtip2906c77d8ffd733eb1614da97622eaf05~FlIBig7MX1190811908epsmtip2d; Thu, 7 Nov 2024 04:15:10 +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 3/3] arm64: dts: exynosautov920: add ufs phy for exynosautov920 SoC Date: Thu, 7 Nov 2024 13:15:05 +0900 Message-ID: <20241107041509.824457-5-sowon.na@samsung.com> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20241107041509.824457-1-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: 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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 {