From patchwork Fri Jun 3 11:05:17 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yoshihiro Shimoda X-Patchwork-Id: 12868977 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id C895CC433EF for ; Fri, 3 Jun 2022 11:05:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S243944AbiFCLFp (ORCPT ); Fri, 3 Jun 2022 07:05:45 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52172 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S243923AbiFCLFk (ORCPT ); Fri, 3 Jun 2022 07:05:40 -0400 Received: from relmlie6.idc.renesas.com (relmlor2.renesas.com [210.160.252.172]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id A3ABB3BFB8; Fri, 3 Jun 2022 04:05:38 -0700 (PDT) X-IronPort-AV: E=Sophos;i="5.91,274,1647270000"; d="scan'208";a="123226928" Received: from unknown (HELO relmlir6.idc.renesas.com) ([10.200.68.152]) by relmlie6.idc.renesas.com with ESMTP; 03 Jun 2022 20:05:37 +0900 Received: from localhost.localdomain (unknown [10.166.15.32]) by relmlir6.idc.renesas.com (Postfix) with ESMTP id A986642849B8; Fri, 3 Jun 2022 20:05:37 +0900 (JST) From: Yoshihiro Shimoda To: alim.akhtar@samsung.com, avri.altman@wdc.com, robh+dt@kernel.org, krzk+dt@kernel.org Cc: jejb@linux.ibm.com, martin.petersen@oracle.com, linux-scsi@vger.kernel.org, devicetree@vger.kernel.org, linux-renesas-soc@vger.kernel.org, Yoshihiro Shimoda Subject: [PATCH v6 0/7] treewide: ufs: Add support for Renesas R-Car UFS controller Date: Fri, 3 Jun 2022 20:05:17 +0900 Message-Id: <20220603110524.1997825-1-yoshihiro.shimoda.uh@renesas.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org This patch series adds support Renesas R-Car S4-8 UFS controller. This controller has some restrictions so adds some quirks for it. Before using this driver, we have to initialize a clock generator on the environment board (named "Spider") by using the commands of U-Boot like below: => i2c dev 0 => i2c mw 0x6c 0x26 0x05 => i2c olen 0x6c 2 => i2c mw 0x6c 0x13a 0x86 => i2c mw 0x6c 0x268 0x06 => i2c mw 0x6c 0x269 0x00 => i2c mw 0x6c 0x26a 0x3c => i2c mw 0x6c 0x26b 0x00 => i2c mw 0x6c 0x26c 0x06 => i2c mw 0x6c 0x26d 0x00 => i2c mw 0x6c 0x26e 0x3f => i2c mw 0x6c 0x26f 0x00 Changes from v5: - Rebase on the following repositories: - Based on renesas-drivers-2022-05-24-v5.18 - Merged jejb/for-next - Add Reviewed-by and Acked-by tags in patch [1/7]. Note that the document has an error about number of interrupts. So, the Renesas UFS has one interrupt and it's the same with ufs-common.yaml. - Clear hda->capabilities of MASK_64_ADDRESSING_SUPPORT instead in patch [2/7]. - Fix some issues in patch [4/7]. - Add Reviewed-by in patch [6/7] and [7/7]. https://lore.kernel.org/all/20220427123706.555166-2-yoshihiro.shimoda.uh@renesas.com/ Changes from v4: - Fix ufs_renesas_of_match was not terminated in patch [4/7]. (from kernel test robot, thanks!) https://lore.kernel.org/all/20220420025450.289578-1-yoshihiro.shimoda.uh@renesas.com/ Changes from v3: - Fix build warning by clang in patch [4/7]. https://lore.kernel.org/all/20220419120316.209151-1-yoshihiro.shimoda.uh@renesas.com/ Changes from v2: - Add Reviewed-by in patch [1/7]. (Krzysztof, thanks!) - Use WARN_ON() instead of BUG_ON in patch [4/7]. https://lore.kernel.org/all/20220414023115.4190736-1-yoshihiro.shimoda.uh@renesas.com/ Changes from v1: - Fix dt-binding doc in patch [1/7]. - Add __maybe_unused for compile test on other platforms in patch [4/7]. - Fix node names in patch [5/7]. https://lore.kernel.org/all/20220412073647.3808493-1-yoshihiro.shimoda.uh@renesas.com/ Yoshihiro Shimoda (7): dt-bindings: ufs: Document Renesas R-Car UFS host controller ufs: add UFSHCD_QUIRK_BROKEN_64BIT_ADDRESS ufs: add UFSHCD_QUIRK_HIBERN_FASTAUTO scsi: ufs-renesas: Add support for Renesas R-Car UFS controller scsi: MAINTAINERS: Add maintainer for Renesas UFS driver arm64: dts: renesas: r8a779f0: Add UFS node arm64: dts: renesas: r8a779f0: spider-cpu: Enable UFS device .../devicetree/bindings/ufs/renesas,ufs.yaml | 61 +++ MAINTAINERS | 7 + .../boot/dts/renesas/r8a779f0-spider-cpu.dtsi | 8 + arch/arm64/boot/dts/renesas/r8a779f0.dtsi | 19 + drivers/ufs/core/ufshcd.c | 11 +- drivers/ufs/host/Kconfig | 12 + drivers/ufs/host/Makefile | 1 + drivers/ufs/host/ufs-renesas.c | 412 ++++++++++++++++++ include/ufs/ufshcd.h | 12 + 9 files changed, 541 insertions(+), 2 deletions(-) create mode 100644 Documentation/devicetree/bindings/ufs/renesas,ufs.yaml create mode 100644 drivers/ufs/host/ufs-renesas.c