From patchwork Mon Dec 24 06:52:36 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mason Yang X-Patchwork-Id: 10742039 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 49685924 for ; Mon, 24 Dec 2018 06:53:14 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 3B28328E28 for ; Mon, 24 Dec 2018 06:53:14 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 2DF3328E34; Mon, 24 Dec 2018 06:53:14 +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=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 DEA8E28E28 for ; Mon, 24 Dec 2018 06:53:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726729AbeLXGxN (ORCPT ); Mon, 24 Dec 2018 01:53:13 -0500 Received: from twhmllg3.macronix.com ([122.147.135.201]:10572 "EHLO TWHMLLG3.macronix.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726726AbeLXGxN (ORCPT ); Mon, 24 Dec 2018 01:53:13 -0500 Received: from localhost.localdomain ([172.17.195.96]) by TWHMLLG3.macronix.com with ESMTP id wBO6qemS051271; Mon, 24 Dec 2018 14:52:40 +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, boris.brezillon@bootlin.com, 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 v4 0/2] spi: Add Renesas R-Car Gen3 RPC SPI driver Date: Mon, 24 Dec 2018 14:52:36 +0800 Message-Id: <1545634358-17485-1-git-send-email-masonccyang@mxic.com.tw> X-Mailer: git-send-email 1.9.1 X-MAIL: TWHMLLG3.macronix.com wBO6qemS051271 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, This Renesas R-Car Gen3 RPC SPI driver is based on Boris's new spi-mem direct mapping read/write mode [1][2]. 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 [1] https://patchwork.kernel.org/patch/10670753 [2] https://patchwork.kernel.org/patch/10670747 Mason Yang (2): spi: Add Renesas R-Car Gen3 RPC SPI controller driver dt-bindings: spi: Document Renesas R-Car Gen3 RPC controller bindings .../devicetree/bindings/spi/spi-renesas-rpc.txt | 37 + drivers/spi/Kconfig | 6 + drivers/spi/Makefile | 1 + drivers/spi/spi-renesas-rpc.c | 788 +++++++++++++++++++++ 4 files changed, 832 insertions(+) create mode 100644 Documentation/devicetree/bindings/spi/spi-renesas-rpc.txt create mode 100644 drivers/spi/spi-renesas-rpc.c