From patchwork Fri Mar 29 08:20:03 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mason Yang X-Patchwork-Id: 10876593 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id C9447922 for ; Fri, 29 Mar 2019 08:12:10 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id BCC9C28F71 for ; Fri, 29 Mar 2019 08:12:10 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id ADF3728F77; Fri, 29 Mar 2019 08:12:10 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=unavailable version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 5DDA428F71 for ; Fri, 29 Mar 2019 08:12:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728955AbfC2IMJ (ORCPT ); Fri, 29 Mar 2019 04:12:09 -0400 Received: from twhmllg3.macronix.com ([211.75.127.131]:11872 "EHLO TWHMLLG3.macronix.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728948AbfC2IMJ (ORCPT ); Fri, 29 Mar 2019 04:12:09 -0400 Received: from TWHMLLG3.macronix.com (localhost [127.0.0.2] (may be forged)) by TWHMLLG3.macronix.com with ESMTP id x2T80rOD092531; Fri, 29 Mar 2019 16:00:53 +0800 (GMT-8) (envelope-from masonccyang@mxic.com.tw) Received: from localhost.localdomain ([172.17.195.96]) by TWHMLLG3.macronix.com with ESMTP id x2T804vg091366; Fri, 29 Mar 2019 16:00:04 +0800 (GMT-8) (envelope-from masonccyang@mxic.com.tw) From: Mason Yang To: broonie@kernel.org, marek.vasut@gmail.com, linux-kernel@vger.kernel.org, linux-spi@vger.kernel.org, bbrezillon@kernel.org, linux-renesas-soc@vger.kernel.org, Geert Uytterhoeven , sergei.shtylyov@cogentembedded.com, devicetree@vger.kernel.org, mark.rutland@arm.com, robh+dt@kernel.org, lee.jones@linaro.org Cc: juliensu@mxic.com.tw, Simon Horman , zhengxunli@mxic.com.tw, Mason Yang Subject: [PATCH v9 0/3] mfd: Add Renesas R-Car Gen3 RPC-IF MFD driver Date: Fri, 29 Mar 2019 16:20:03 +0800 Message-Id: <1553847606-18122-1-git-send-email-masonccyang@mxic.com.tw> X-Mailer: git-send-email 1.9.1 X-MAIL: TWHMLLG3.macronix.com x2T804vg091366 Sender: linux-spi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-spi@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Hi, v9 patch is for RPC MFD driver and RPC SPI driver. v8 patch including: 1) Supported SoC-specific values in DTS. 2) Rename device node name as flash. v7 patch is according to Geert and Sergei's comments: 1) Add all R-Car Gen3 model in dts. 2) patch rpc-if child node search. 3) minror coding style. v6 patch is accroding to Geert, Marek and Sergei's comments: 1) spi_controller for new code. 2) "renesas,rcar-gen3-rpc" instead of "renesas,r8a77995-rpc." 3) patch external address read mode w/o u64 readq(). 4) patch dts for write buffer & drop "renesas,rpc-mode". 5) coding style and so on. v5 patch is accroding to Sergei's comments: 1) Read 6 bytes ID from Sergei's patch. 2) regmap_update_bits(). 3) C++ style comment. v4 patch is according to Sergei's comments including: 1) Drop soc_device_match(). 2) Drop unused RPC registers. 3) Use ilog2() instead of fls(). 4) Patch read 6 bytes ID w/ one command. 5) Coding style and so on. v3 patch is according to Marek and Geert's comments including: 1) soc_device_mach() to set up RPC_PHYCNT_STRTIM. 2) get_unaligned(). 3) rpc-mode for rpi-spi-flash or rpc-hyperflash. 4) coding style and so on. v2 patch including: 1) remove RPC clock enable/dis-able control, 2) patch run time PM. 3) add RPC module software reset, 4) add regmap. 5) other coding style and so on. thanks for your review. best regards, Mason Mason Yang (3): mfd: Add Renesas R-Car Gen3 RPC-IF MFD controller driver spi: Add Renesas R-Car Gen3 RPC-IF SPI controller driver dt-bindings: mfd: Document Renesas R-Car Gen3 RPC-IF controller bindings .../devicetree/bindings/mfd/mfd-renesas-rpc.txt | 57 ++ drivers/mfd/Kconfig | 9 + drivers/mfd/Makefile | 1 + drivers/mfd/renesas-rpc.c | 140 +++++ drivers/spi/Kconfig | 6 + drivers/spi/Makefile | 1 + drivers/spi/spi-renesas-rpc.c | 640 +++++++++++++++++++++ include/linux/mfd/renesas-rpc.h | 154 +++++ 8 files changed, 1008 insertions(+) create mode 100644 Documentation/devicetree/bindings/mfd/mfd-renesas-rpc.txt create mode 100644 drivers/mfd/renesas-rpc.c create mode 100644 drivers/spi/spi-renesas-rpc.c create mode 100644 include/linux/mfd/renesas-rpc.h