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Tue, 31 May 2022 10:23:48 +0900 (KST) Received: from epsmtrp2.samsung.com (unknown [182.195.40.14]) by epcas5p4.samsung.com (KnoxPortal) with ESMTPA id 20220531012347epcas5p48262cae18c75bb6ed029f7cd920800b4~0DBB14DkA2668226682epcas5p4i; Tue, 31 May 2022 01:23:47 +0000 (GMT) Received: from epsmgms1p1new.samsung.com (unknown [182.195.42.41]) by epsmtrp2.samsung.com (KnoxPortal) with ESMTP id 20220531012347epsmtrp2e9a64abf3508759450a76123798ec30d~0DBB0738X2334523345epsmtrp27; Tue, 31 May 2022 01:23:47 +0000 (GMT) X-AuditID: b6c32a49-4cbff7000000274f-9b-62956e24a637 Received: from epsmtip2.samsung.com ( [182.195.34.31]) by epsmgms1p1new.samsung.com (Symantec Messaging Gateway) with SMTP id E4.6F.11276.32E65926; Tue, 31 May 2022 10:23:47 +0900 (KST) Received: from Jaguar.sa.corp.samsungelectronics.net (unknown [107.108.73.139]) by epsmtip2.samsung.com (KnoxPortal) with ESMTPA id 20220531012344epsmtip2c93362e8a3348c22cacae47095827136~0DA_mL-cf1203612036epsmtip26; Tue, 31 May 2022 01:23:44 +0000 (GMT) From: Alim Akhtar To: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org, linux-phy@lists.infradead.org Cc: devicetree@vger.kernel.org, robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, vkoul@kernel.org, avri.altman@wdc.com, bvanassche@acm.org, martin.petersen@oracle.com, chanho61.park@samsung.com, pankaj.dubey@samsung.com, Alim Akhtar , linux-fsd@tesla.com, Bharat Uppal Subject: [PATCH 3/6] phy: samsung-ufs: add support for FSD ufs phy driver Date: Tue, 31 May 2022 06:52:17 +0530 Message-Id: <20220531012220.80563-4-alim.akhtar@samsung.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20220531012220.80563-1-alim.akhtar@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFprAJsWRmVeSWpSXmKPExsWy7bCmlq5K3tQkg8vbhSwezNvGZvHy51U2 i2svL7BbTPvwk9ni8n5ti/lHzrFa9L14yGyx6fE1VouHr8ItLu+aw2YxYdU3Fovu6zvYLJYf /8dksWjrF3aL1r1H2C123jnB7CDgcfmKt8emVZ1sHneu7WHz2Lyk3uPj01ssHn1bVjF6/Gua y+7xeZOcR/uBbqYAzqhsm4zUxJTUIoXUvOT8lMy8dFsl7+B453hTMwNDXUNLC3MlhbzE3FRb JRefAF23zBygH5QUyhJzSoFCAYnFxUr6djZF+aUlqQoZ+cUltkqpBSk5BSYFesWJucWleel6 eaklVoYGBkamQIUJ2RkPL/xlKriuVHGzbxJ7A+Mv2S5GTg4JAROJtWt/s3QxcnEICexmlOj4 1sIIkhAS+MQoMWU1N0TiG6PEjuVLWGE6du45wgaR2Mso8fLPVyYIp4VJYt6vj2BVbALaEnen bwFLiAg0M0oc7NgF5jALnGOSeLZ3A5DDwSEs4ClxdL4YSAOLgKrE6/fL2EFsXgEbidZPe5kh 1slLrN5wAMzmFLCV6N54GmyOhMBCDonNn84zQRS5SHTcb2WHsIUlXh3fAmVLSXx+t5cNZJeE gIfEoj9SEOEMibfL1zNC2PYSB67MYQEpYRbQlFi/Sx8kzCzAJ9H7+wkTRCevREebEES1qkTz u6ssELa0xMTubmigeEg0d+1jhITDBEaJA2e3s01glJ2FMHUBI+MqRsnUguLc9NRi0wLDvNRy eEQl5+duYgQnTS3PHYx3H3zQO8TIxMF4iFGCg1lJhNcqYmqSEG9KYmVValF+fFFpTmrxIUZT YJBNZJYSTc4Hpu28knhDE0sDEzMzMxNLYzNDJXFegf+NSUIC6YklqdmpqQWpRTB9TBycUg1M Trd0vFTMvp/bUSH2y4rx/c7UV1faFEzygqbfcCsKKAvsV8irP6yy3m9HWOY0/kUr6tberY/k vhbE0WT7tjQt7OOuD87MxjW7C+8ufD1b7N/0tscy+zJ3r2vn0HmqEfVc5KjUUZ7v/GYeEZdD BE65PCtJq3P7xLjh7vzTezUuBGiq3ozcevcks0L4ZcPOi0Vb3gglhczQmLm4I2jX1K7dF7Xt n60y27C/+6Hfn3d6H59c0BNKjJUQmCd7o6xL5/rPfFvJa3KuRe2nYpkXzZhXvTTw8WrLxUsm C5tutf+2fq+53u3gkH+f3PbWJJh7G0vcvL9u+8YP/1vrU9s3LTauXrL4x//TJ8KT+F4JFV/8 qcRSnJFoqMVcVJwIAGodk5MjBAAA X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFrrELMWRmVeSWpSXmKPExsWy7bCSvK5y3tQkg6Y1phYP5m1js3j58yqb xbWXF9gtpn34yWxxeb+2xfwj51gt+l48ZLbY9Pgaq8XDV+EWl3fNYbOYsOobi0X39R1sFsuP /2OyWLT1C7tF694j7BY775xgdhDwuHzF22PTqk42jzvX9rB5bF5S7/Hx6S0Wj74tqxg9/jXN Zff4vEnOo/1AN1MAZxSXTUpqTmZZapG+XQJXxsMLf5kKritV3OybxN7A+Eu2i5GTQ0LARGLn niNsXYxcHEICuxkl/p5ezgKRkJa4vnECO4QtLLHy33MwW0igiUli1odcEJtNQFvi7vQtTCC2 iEA7o8T97WwgNrPAHSaJVT0iXYwcHMICnhJH54uBhFkEVCVev18GNoZXwEai9dNeZojx8hKr NxwAszkFbCW6N55mglhlI/H4/muWCYx8CxgZVjFKphYU56bnFhsWGOallusVJ+YWl+al6yXn 525iBAe7luYOxu2rPugdYmTiYDzEKMHBrCTCaxUxNUmINyWxsiq1KD++qDQntfgQozQHi5I4 74Wuk/FCAumJJanZqakFqUUwWSYOTqkGpnDmI+/XzwvdJbU1bvVE88Tnx69zcomfsMx9290Y sdIjdOH7C1msbm+0ew6pxYlnXAvPmPoguKwvUVjvZbxe+HIPx+3PmE6WTMi48D4tym1po+L0 18oynpvSkrju3t7U4nj9w5Nrr4wb9n2a0MbymPnNtP//NgnM8DgmPqVx5gzmzWXn1LV4atnF PhfN/r83aFaZpJjL4Wc3j936duFo4hfOQtGraz6qKLNr79/dHDdlZ6xO4s16g0usdVY3kt7+ E9Tveq74/8TpDpZ9K037xYvOmns4q/v+j+XwdtYx7JL3PznLkrvw2axHU679fvb9rE23YD13 bEhastfO1GWPtu8qTzzeybCQY5NqS71WpxJLcUaioRZzUXEiAFtSiELlAgAA X-CMS-MailID: 20220531012347epcas5p48262cae18c75bb6ed029f7cd920800b4 X-Msg-Generator: CA CMS-TYPE: 105P DLP-Filter: Pass X-CFilter-Loop: Reflected X-CMS-RootMailID: 20220531012347epcas5p48262cae18c75bb6ed029f7cd920800b4 References: <20220531012220.80563-1-alim.akhtar@samsung.com> Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org Adds support for Tesla FSD ufs phy driver. This SoC has different cdr lock status offset. Cc: linux-fsd@tesla.com Signed-off-by: Bharat Uppal Signed-off-by: Alim Akhtar --- drivers/phy/samsung/Makefile | 1 + drivers/phy/samsung/phy-fsd-ufs.c | 63 +++++++++++++++++++++++++++ drivers/phy/samsung/phy-samsung-ufs.c | 3 ++ drivers/phy/samsung/phy-samsung-ufs.h | 1 + 4 files changed, 68 insertions(+) create mode 100644 drivers/phy/samsung/phy-fsd-ufs.c diff --git a/drivers/phy/samsung/Makefile b/drivers/phy/samsung/Makefile index 65e4cc59403f..afb34a153e34 100644 --- a/drivers/phy/samsung/Makefile +++ b/drivers/phy/samsung/Makefile @@ -6,6 +6,7 @@ obj-$(CONFIG_PHY_SAMSUNG_UFS) += phy-exynos-ufs.o phy-exynos-ufs-y += phy-samsung-ufs.o phy-exynos-ufs-y += phy-exynos7-ufs.o phy-exynos-ufs-y += phy-exynosautov9-ufs.o +phy-exynos-ufs-y += phy-fsd-ufs.o obj-$(CONFIG_PHY_SAMSUNG_USB2) += phy-exynos-usb2.o phy-exynos-usb2-y += phy-samsung-usb2.o phy-exynos-usb2-$(CONFIG_PHY_EXYNOS4210_USB2) += phy-exynos4210-usb2.o diff --git a/drivers/phy/samsung/phy-fsd-ufs.c b/drivers/phy/samsung/phy-fsd-ufs.c new file mode 100644 index 000000000000..a03656006093 --- /dev/null +++ b/drivers/phy/samsung/phy-fsd-ufs.c @@ -0,0 +1,63 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * UFS PHY driver data for FSD SoC + * + * Copyright (C) 2022 Samsung Electronics Co., Ltd. + * + */ +#ifndef _PHY_FSD_UFS_H_ +#define _PHY_FSD_UFS_H_ + +#include "phy-samsung-ufs.h" + +#define FSD_EMBEDDED_COMBO_PHY_CTRL 0x724 +#define FSD_EMBEDDED_COMBO_PHY_CTRL_MASK 0x1 +#define FSD_EMBEDDED_COMBO_PHY_CTRL_EN BIT(0) +#define FSD_EMBEDDED_COMBO_PHY_CDR_LOCK_STATUS 0x6e + +static const struct samsung_ufs_phy_cfg fsd_pre_init_cfg[] = { + PHY_COMN_REG_CFG(0x00f, 0xfa, PWR_MODE_ANY), + PHY_COMN_REG_CFG(0x010, 0x82, PWR_MODE_ANY), + PHY_COMN_REG_CFG(0x011, 0x1e, PWR_MODE_ANY), + PHY_COMN_REG_CFG(0x017, 0x94, PWR_MODE_ANY), + PHY_TRSV_REG_CFG(0x035, 0x58, PWR_MODE_ANY), + PHY_TRSV_REG_CFG(0x036, 0x32, PWR_MODE_ANY), + PHY_TRSV_REG_CFG(0x037, 0x40, PWR_MODE_ANY), + PHY_TRSV_REG_CFG(0x03b, 0x83, PWR_MODE_ANY), + PHY_TRSV_REG_CFG(0x042, 0x88, PWR_MODE_ANY), + PHY_TRSV_REG_CFG(0x043, 0xa6, PWR_MODE_ANY), + PHY_TRSV_REG_CFG(0x048, 0x74, PWR_MODE_ANY), + PHY_TRSV_REG_CFG(0x04c, 0x5b, PWR_MODE_ANY), + PHY_TRSV_REG_CFG(0x04d, 0x83, PWR_MODE_ANY), + PHY_TRSV_REG_CFG(0x05c, 0x14, PWR_MODE_ANY), + END_UFS_PHY_CFG +}; + +/* Calibration for HS mode series A/B */ +static const struct samsung_ufs_phy_cfg fsd_pre_pwr_hs_cfg[] = { + END_UFS_PHY_CFG +}; + +/* Calibration for HS mode series A/B atfer PMC */ +static const struct samsung_ufs_phy_cfg fsd_post_pwr_hs_cfg[] = { + END_UFS_PHY_CFG +}; + +static const struct samsung_ufs_phy_cfg *fsd_ufs_phy_cfgs[CFG_TAG_MAX] = { + [CFG_PRE_INIT] = fsd_pre_init_cfg, + [CFG_PRE_PWR_HS] = fsd_pre_pwr_hs_cfg, + [CFG_POST_PWR_HS] = fsd_post_pwr_hs_cfg, +}; + +const struct samsung_ufs_phy_drvdata fsd_ufs_phy = { + .cfg = fsd_ufs_phy_cfgs, + .isol = { + .offset = FSD_EMBEDDED_COMBO_PHY_CTRL, + .mask = FSD_EMBEDDED_COMBO_PHY_CTRL_MASK, + .en = FSD_EMBEDDED_COMBO_PHY_CTRL_EN, + }, + .has_symbol_clk = 0, + .cdr_lock_status_offset = FSD_EMBEDDED_COMBO_PHY_CDR_LOCK_STATUS, +}; + +#endif /* _PHY_FSD_UFS_H_ */ diff --git a/drivers/phy/samsung/phy-samsung-ufs.c b/drivers/phy/samsung/phy-samsung-ufs.c index 8e5ae228daa7..935c5c7a6d1e 100644 --- a/drivers/phy/samsung/phy-samsung-ufs.c +++ b/drivers/phy/samsung/phy-samsung-ufs.c @@ -351,6 +351,9 @@ static const struct of_device_id samsung_ufs_phy_match[] = { }, { .compatible = "samsung,exynosautov9-ufs-phy", .data = &exynosautov9_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 965c79bbc278..74b40ef8e1d8 100644 --- a/drivers/phy/samsung/phy-samsung-ufs.h +++ b/drivers/phy/samsung/phy-samsung-ufs.h @@ -142,5 +142,6 @@ static inline void samsung_ufs_phy_ctrl_isol( 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 fsd_ufs_phy; #endif /* _PHY_SAMSUNG_UFS_ */