From patchwork Mon Jan 28 06:49:16 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mason Yang X-Patchwork-Id: 10783281 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 223C013B4 for ; Mon, 28 Jan 2019 06:30:43 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 12C2C2A39D for ; Mon, 28 Jan 2019 06:30:43 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 0709F2A388; Mon, 28 Jan 2019 06:30:43 +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 B14A12A392 for ; Mon, 28 Jan 2019 06:30:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726669AbfA1Gam (ORCPT ); Mon, 28 Jan 2019 01:30:42 -0500 Received: from twhmllg4.macronix.com ([122.147.135.202]:64633 "EHLO TWHMLLG4.macronix.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726654AbfA1Gam (ORCPT ); Mon, 28 Jan 2019 01:30:42 -0500 Received: from localhost.localdomain ([172.17.195.96]) by TWHMLLG4.macronix.com with ESMTP id x0S6UHcR052474; Mon, 28 Jan 2019 14:30:17 +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 Cc: juliensu@mxic.com.tw, Simon Horman , zhengxunli@mxic.com.tw, Mason Yang Subject: [PATCH v8 0/2] spi: Add Renesas R-Car Gen3 RPC-IF SPI driver Date: Mon, 28 Jan 2019 14:49:16 +0800 Message-Id: <1548658158-5460-1-git-send-email-masonccyang@mxic.com.tw> X-Mailer: git-send-email 1.9.1 X-MAIL: TWHMLLG4.macronix.com x0S6UHcR052474 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, 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 | 40 + drivers/spi/Kconfig | 6 + drivers/spi/Makefile | 1 + drivers/spi/spi-renesas-rpc.c | 804 +++++++++++++++++++++ 4 files changed, 851 insertions(+) create mode 100644 Documentation/devicetree/bindings/spi/spi-renesas-rpc.txt create mode 100644 drivers/spi/spi-renesas-rpc.c