From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.9 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7BEE3C04ABB for ; Tue, 11 Sep 2018 15:09:34 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 15D0220839 for ; Tue, 11 Sep 2018 15:09:34 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=synopsys.com header.i=@synopsys.com header.b="SszYo6uq" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 15D0220839 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=synopsys.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727560AbeIKUJP (ORCPT ); Tue, 11 Sep 2018 16:09:15 -0400 Received: from smtprelay.synopsys.com ([198.182.60.111]:56898 "EHLO smtprelay.synopsys.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726622AbeIKUJP (ORCPT ); Tue, 11 Sep 2018 16:09:15 -0400 Received: from mailhost.synopsys.com (mailhost2.synopsys.com [10.13.184.66]) by smtprelay.synopsys.com (Postfix) with ESMTP id D86CF10C1206; Tue, 11 Sep 2018 08:09:31 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=synopsys.com; s=mail; t=1536678572; bh=B1Yp+Fn9sk/lH8XlHw5qCW/mIZmO/y5sFNKuQHW6Zz8=; h=From:To:Cc:Subject:Date:From; b=SszYo6uqX3olNJNJgRKW8oNsyidn61JIMyi4o0orJAnIQKbdGxKYv4jkVcjNwex7h 4zKV5oYyGTtH1kUZkA8Kk3fR1vmqHPOpFXtrU9k7IImuZmT4A9upBJO4PBgQvr9Fiz PvSF2JvEorTw7jX65oBkifUDWxtha5N0d51ax7O9/JwuXj3F+aU2hLi6+M/gYRPLiW O1WMGEhr4nW1wFWZbX74wrzyGu05pkP2piEd/EaXWUfIgsGQYAI6m6HsFKR8WZpUET +c//nWVwkT4b7tAyT1tI47K8fZM1rhpmZUmlCwysKkCxy9yRQDUeotQpN/5E6g6Ot+ 9Q/vWWPUozj6A== Received: from paltsev-e7480.internal.synopsys.com (paltsev-e7480.internal.synopsys.com [10.121.3.37]) by mailhost.synopsys.com (Postfix) with ESMTP id 545293A79; Tue, 11 Sep 2018 08:09:28 -0700 (PDT) From: Eugeniy Paltsev To: linux-snps-arc@lists.infradead.org, linux-gpio@vger.kernel.org Cc: linux-kernel@vger.kernel.org, Vineet Gupta , Alexey Brodkin , Linus Walleij , Rob Herring , devicetree@vger.kernel.org, Mark Rutland , Eugeniy Paltsev Subject: [PATCH v3 0/2] GPIO: add single-register GPIO via CREG driver Date: Tue, 11 Sep 2018 18:09:23 +0300 Message-Id: <20180911150925.19460-1-Eugeniy.Paltsev@synopsys.com> X-Mailer: git-send-email 2.14.4 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add single-register MMIO GPIO driver for complex cases where only several fields in register belong to GPIO lines and each GPIO line owns a field with different length and on/off value. Such CREG GPIOs are used in Synopsys AXS10x and HSDK boards. Changes v2->v3: * Move parameters into a lookup table instead of device tree. * Use the ngpios attribute for instead of snps,ngpios. Eugeniy Paltsev (2): GPIO: add single-register GPIO via CREG driver dt-bindings: Document the Synopsys GPIO via CREG bindings .../devicetree/bindings/gpio/snps,creg-gpio.txt | 18 ++ MAINTAINERS | 6 + drivers/gpio/Kconfig | 10 + drivers/gpio/Makefile | 1 + drivers/gpio/gpio-creg-snps.c | 212 +++++++++++++++++++++ 5 files changed, 247 insertions(+) create mode 100644 Documentation/devicetree/bindings/gpio/snps,creg-gpio.txt create mode 100644 drivers/gpio/gpio-creg-snps.c -- 2.14.4