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Fri, 10 Jun 2022 16:32:08 +0900 (KST) Received: from epsmtrp2.samsung.com (unknown [182.195.40.14]) by epcas5p1.samsung.com (KnoxPortal) with ESMTPA id 20220610073208epcas5p12ffaef419e29bc4bd3209df59057091b~3MffF4Tsr0494704947epcas5p1m; Fri, 10 Jun 2022 07:32:08 +0000 (GMT) Received: from epsmgms1p2.samsung.com (unknown [182.195.42.42]) by epsmtrp2.samsung.com (KnoxPortal) with ESMTP id 20220610073208epsmtrp2c97993953c42b98911899c22716fb481~3MffFCcvR1442314423epsmtrp2h; Fri, 10 Jun 2022 07:32:08 +0000 (GMT) X-AuditID: b6c32a4b-1fdff70000002622-fc-62a2f378356d Received: from epsmtip1.samsung.com ( [182.195.34.30]) by epsmgms1p2.samsung.com (Symantec Messaging Gateway) with SMTP id C2.4E.08924.873F2A26; Fri, 10 Jun 2022 16:32:08 +0900 (KST) Received: from Jaguar.sa.corp.samsungelectronics.net (unknown [107.108.73.139]) by epsmtip1.samsung.com (KnoxPortal) with ESMTPA id 20220610073204epsmtip14406c529124ed16f4b9df378ba068200~3Mfb4foV13109631096epsmtip1W; Fri, 10 Jun 2022 07:32:04 +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 , Bharat Uppal Subject: [PATCH v3 3/6] phy: samsung-ufs: add support for FSD ufs phy driver Date: Fri, 10 Jun 2022 12:59:21 +0530 Message-Id: <20220610072924.12362-4-alim.akhtar@samsung.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20220610072924.12362-1-alim.akhtar@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFmpnk+LIzCtJLcpLzFFi42LZdlhTS7fi86Ikg7OHNCwezNvGZvHy51U2 i2svL7BbTPvwk9ni8n5ti/lHzrFa9L14yGyx6fE1VovLu+awWUxY9Y3Fovv6DjaL5cf/MVks 2vqF3aJ17xF2i513TjA78HtcvuLtsWlVJ5vHnWt72Dw2L6n3+Pj0FotH35ZVjB6fN8l5tB/o ZgrgiMq2yUhNTEktUkjNS85PycxLt1XyDo53jjc1MzDUNbS0MFdSyEvMTbVVcvEJ0HXLzAE6 XUmhLDGnFCgUkFhcrKRvZ1OUX1qSqpCRX1xiq5RakJJTYFKgV5yYW1yal66Xl1piZWhgYGQK VJiQndGz+wJbwQalin1HpjM3MN6T7WLk5JAQMJH4cGQJG4gtJLCbUeLfAecuRi4g+xOjxI3T z5khnM+MEtc/f2aH6Xjy8ioTRGIXo8TqDx+gnBYmicXvvzGBVLEJaEvcnb4FLCEi0MwocbBj F5jDLLCTSeLi7+nMIFXCAj4SFxa8AZvLIqAqsWRPI9AlHBy8AjYSkw8pQKyTl1i94QBYOaeA rcTZ/xvAbpIQmMohsb73HQtEkYvEmTl3oe4Tlnh1fAuULSXx+d1esJkSAh4Si/5IQYQzJN4u X88IYdtLHLgyhwWkhFlAU2L9Ln2QMLMAn0Tv7ydMEJ28Eh1tQhDVqhLN765CLZWWmNjdzQph e0g0vexlgYTDBEaJmQ1tTBMYZWchTF3AyLiKUTK1oDg3PbXYtMA4L7UcHlHJ+bmbGMEpUst7 B+OjBx/0DjEycTAeYpTgYFYS4Q24vShJiDclsbIqtSg/vqg0J7X4EKMpMMQmMkuJJucDk3Re SbyhiaWBiZmZmYmlsZmhkjivwP/GJCGB9MSS1OzU1ILUIpg+Jg5OqQamw+azHL7t4r9Ys95H P8xT2f9W4/p5j0ui+x//U9i1ecMcyctu6YcNE5wMW01uMv1+smRiyKz1Iis1z/5p/M6/bY2F D7Mk81u7P8/CzVb8SsyT2WOjuzJIrKo1cslGI6W005blRr4nX4Z0Fqz83L72qwSnvMiqL0cu G3GK5T05kqfxkdtn/dsfDum3ZrSw9Xs53tCf7Hlj1Q612Z3nm2PDmjUn28wSe6p4Mv2Mm7Yt v/HcGQb3vx5MnbF9crZt/NyPx0yWf2d5b3sv/sDW13IV/VKL41mN5FIvOYanLv9xXjHFXIul tf3i/usbrb+zpUdU8pdJHOAvN5r7tlVA41XTja0aZy/Of6yuac4XwxemxFKckWioxVxUnAgA ECLDqxoEAAA= X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFjrJLMWRmVeSWpSXmKPExsWy7bCSnG7F50VJBs+7+S0ezNvGZvHy51U2 i2svL7BbTPvwk9ni8n5ti/lHzrFa9L14yGyx6fE1VovLu+awWUxY9Y3Fovv6DjaL5cf/MVks 2vqF3aJ17xF2i513TjA78HtcvuLtsWlVJ5vHnWt72Dw2L6n3+Pj0FotH35ZVjB6fN8l5tB/o ZgrgiOKySUnNySxLLdK3S+DK6Nl9ga1gg1LFviPTmRsY78l2MXJySAiYSDx5eZWpi5GLQ0hg B6PEtHvzWCAS0hLXN05gh7CFJVb+ew5mCwk0MUns38MBYrMJaEvcnb6FCcQWEWhnlLi/nQ1k ELPAUSaJ5aeOMYMkhAV8JC4seAPWzCKgKrFkTyNQEQcHr4CNxORDChDz5SVWbzgAVs4pYCtx 9v8GZpASIaCS13/zJjDyLWBkWMUomVpQnJueW2xYYJSXWq5XnJhbXJqXrpecn7uJERzaWlo7 GPes+qB3iJGJg/EQowQHs5IIb8DtRUlCvCmJlVWpRfnxRaU5qcWHGKU5WJTEeS90nYwXEkhP LEnNTk0tSC2CyTJxcEo1MHEk9stvOsjDerZm3528nVeyNl1lkP75auKnlDOanuoSeeu5blnY 6V/T/NI3mW35EY5VDd5rrW/OFTjKFcnxcd+tr9LHJXM19m8V3Ne2ud9humPmnh0vRTR1P58I 33d0p/wnnxeCObpGqp3iqdk3HngaVF99cSvddKLOqhtMy4UuRol3TDnasPgu+z2l3uTlTtPU w9f96tyffHwq45Q0iV67dS9PBxRzr3G3uqxkOs+1vXqNtdWbg3ePTLwrP2nLs6P8vYH+BTlZ fp657tpRaxVLHp/ZxXH8pHKt9FrH+8Uhq3KMamUsdCu7fT3S3vPJc360Ob2Y/6bUFdHQ/0+6 7/4PdnQ+PNeU6bWJ3xFudyWW4oxEQy3mouJEAOkpgBHcAgAA X-CMS-MailID: 20220610073208epcas5p12ffaef419e29bc4bd3209df59057091b X-Msg-Generator: CA CMS-TYPE: 105P DLP-Filter: Pass X-CFilter-Loop: Reflected X-CMS-RootMailID: 20220610073208epcas5p12ffaef419e29bc4bd3209df59057091b References: <20220610072924.12362-1-alim.akhtar@samsung.com> Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org Adds support for Tesla Full Self-Driving (FSD) ufs phy driver. This SoC has different cdr lock status offset. Signed-off-by: Bharat Uppal Signed-off-by: Alim Akhtar Reviewed-by: Chanho Park --- drivers/phy/samsung/Makefile | 1 + drivers/phy/samsung/phy-fsd-ufs.c | 58 +++++++++++++++++++++++++++ drivers/phy/samsung/phy-samsung-ufs.c | 3 ++ drivers/phy/samsung/phy-samsung-ufs.h | 1 + 4 files changed, 63 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..c78b6c16027d --- /dev/null +++ b/drivers/phy/samsung/phy-fsd-ufs.c @@ -0,0 +1,58 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * UFS PHY driver data for FSD SoC + * + * Copyright (C) 2022 Samsung Electronics Co., Ltd. + * + */ +#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 = { + .cfgs = 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, +}; diff --git a/drivers/phy/samsung/phy-samsung-ufs.c b/drivers/phy/samsung/phy-samsung-ufs.c index 7218acd2b113..565945d6b5b3 100644 --- a/drivers/phy/samsung/phy-samsung-ufs.c +++ b/drivers/phy/samsung/phy-samsung-ufs.c @@ -357,6 +357,9 @@ 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 913542ebff7a..6320ac852f29 100644 --- a/drivers/phy/samsung/phy-samsung-ufs.h +++ b/drivers/phy/samsung/phy-samsung-ufs.h @@ -145,5 +145,6 @@ 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_ */