From patchwork Thu Jun 20 09:30:44 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mason Yang X-Patchwork-Id: 11006195 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 010966C5 for ; Thu, 20 Jun 2019 09:08:15 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id E1B4C212DB for ; Thu, 20 Jun 2019 09:08:14 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id D192C285CC; Thu, 20 Jun 2019 09:08:14 +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=ham 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 23305212DB for ; Thu, 20 Jun 2019 09:08:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726084AbfFTJIN (ORCPT ); Thu, 20 Jun 2019 05:08:13 -0400 Received: from twhmllg3.macronix.com ([211.75.127.131]:25028 "EHLO TWHMLLG3.macronix.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725875AbfFTJIN (ORCPT ); Thu, 20 Jun 2019 05:08:13 -0400 Received: from localhost.localdomain ([172.17.195.96]) by TWHMLLG3.macronix.com with ESMTP id x5K985xD044197; Thu, 20 Jun 2019 17:08:05 +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 , lee.jones@linaro.org, sergei.shtylyov@cogentembedded.com, robh+dt@kernel.org, mark.rutland@arm.com, devicetree@vger.kernel.org Cc: juliensu@mxic.com.tw, Simon Horman , Mason Yang , miquel.raynal@bootlin.com Subject: [PATCH v14 0/2] spi: Add Renesas R-Car Gen3 RPC-IF SPI driver Date: Thu, 20 Jun 2019 17:30:44 +0800 Message-Id: <1561023046-20886-1-git-send-email-masonccyang@mxic.com.tw> X-Mailer: git-send-email 1.9.1 X-MAIL: TWHMLLG3.macronix.com x5K985xD044197 Sender: linux-renesas-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-renesas-soc@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Hi Mark, V14 patch including: 1) Patch RPC-IF back to SPI mode only instead of MFD & SPI by MFD maintainer, Lee Jones comments. 2) Patch pm_runtime control in spi transfer. v13 patch including: 1) rename mfd to ddata for SPI driver. 2) Patch RPC-IF devicetree for SPI and HyperFlash. v12 patch including: 1) add back "wbuf" in dts example. 2) RPC-IF replace rpc-if in dts. v11 patch including: 1) Patch mfd include header file. 2) mfd coding style. 3) add back wbuf description in dts. v10 patch including: 1) Address range for > 64M byte flash. 2) Removed dirmap_write due to WBUF 256 bytes transfer issue. 3) Dummy bytes setting according to spi-nor.c layer. 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 (2): spi: Add Renesas R-Car Gen3 RPC-IF SPI controller driver dt-bindings: spi: Document Renesas R-Car Gen3 RPC-IF controller bindings .../devicetree/bindings/spi/spi-renesas-rpc.txt | 43 ++ drivers/spi/Kconfig | 6 + drivers/spi/Makefile | 1 + drivers/spi/spi-renesas-rpc.c | 760 +++++++++++++++++++++ 4 files changed, 810 insertions(+) create mode 100644 Documentation/devicetree/bindings/spi/spi-renesas-rpc.txt create mode 100644 drivers/spi/spi-renesas-rpc.c