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, 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 3825FC04A6B for ; Fri, 10 May 2019 08:24:19 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 05CF720850 for ; Fri, 10 May 2019 08:24:19 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=baylibre-com.20150623.gappssmtp.com header.i=@baylibre-com.20150623.gappssmtp.com header.b="hrgSnmEZ" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727391AbfEJIYS (ORCPT ); Fri, 10 May 2019 04:24:18 -0400 Received: from mail-wr1-f65.google.com ([209.85.221.65]:46109 "EHLO mail-wr1-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727212AbfEJIX2 (ORCPT ); Fri, 10 May 2019 04:23:28 -0400 Received: by mail-wr1-f65.google.com with SMTP id r7so6038336wrr.13 for ; Fri, 10 May 2019 01:23:27 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=baylibre-com.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id; bh=Wj+JuMQUbdyPmxQe7yGb3on4JCnRF2E0EfoUvV/8+mo=; b=hrgSnmEZP5o845QntWaqkMqOVqNtfRnJYedwIUiR8aPv3ToBQClvXus+4pijKIphJ+ mju28gpMrnOTM9z7MYRAGPici4FVfNz+TShfe8r6CyXky1Ih8JmxTScix+E04B3sRfgF L3sOCzpOZYj3Hj6jMrWSqj2mYH1+2j8ov41RmXVBFaIT8wzFffPWwZwgOV7i4PKIOUAu sx1JH1zTJ0iq1IMsKAEDgdLfFPFQMcxKwPiS0HPEdq5cSPMfiNDzbDWf/j4mdhHdvlbe q/XV9JO1MbM5xRpaD1ZZqFZLCvUFqFfZg1q7sGkEv9avADAEmB0W3DQP4LoUQDeN/ea/ 0Xqw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id; bh=Wj+JuMQUbdyPmxQe7yGb3on4JCnRF2E0EfoUvV/8+mo=; b=c281GHPja4uvlUnQRqXQK5RhuxZHMN6XPMGs/7uGXcCGscAg1ghQUsBz87jP93T6u8 stsj99Ck6c2z9jmVqBAy0MGqlfB5ZmXQlXPSqzQW+3ZUsLYLhtGrjBsHCWqMy3rbrlkG LlPkEAp/O4WE+qq21PJ/5huoVKQwWm2keLPv+79GvUJ0ip7lMvW8rlziL/5C1KheSinp ANQyX9PxSbJFmHffjsdH+wKbkIG7jdBhlHyzeRHojgqrm47faEZRd1aYbQtUwxjrQWhX R095yiCwJLTXxXCmJBpxX316CJ6YQ5CKePWZT/SSPlep2dm5lrjBwcWRV52RS/MtB5Gl GAtA== X-Gm-Message-State: APjAAAVsK0CH4BpNt3m0XH8hKmmucERV4iRMgR+gJviDqXBSMpvK/1Pa NNFO20OCqzQxENdtZBntu3uoRg== X-Google-Smtp-Source: APXvYqwecEWs+XfLMKppQZEk1BrPP3H3rvwtOqtfnWYTx6JqWQTAaqAiGxF1JGoGfM272vY60No63w== X-Received: by 2002:a5d:68cf:: with SMTP id p15mr6684597wrw.105.1557476606633; Fri, 10 May 2019 01:23:26 -0700 (PDT) Received: from glaroque-ThinkPad-T480.local (lmontsouris-657-1-212-31.w90-63.abo.wanadoo.fr. [90.63.244.31]) by smtp.gmail.com with ESMTPSA id z4sm3790285wmk.5.2019.05.10.01.23.25 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 10 May 2019 01:23:25 -0700 (PDT) From: Guillaume La Roque To: linus.walleij@linaro.org, khilman@baylibre.com Cc: jbrunet@baylibre.com, linux-gpio@vger.kernel.org, devicetree@vger.kernel.org, linux-amlogic@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH v5 0/6] Add drive-strength in Meson pinctrl driver Date: Fri, 10 May 2019 10:23:18 +0200 Message-Id: <20190510082324.21181-1-glaroque@baylibre.com> X-Mailer: git-send-email 2.17.1 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The purpose of this patchset is to add drive-strength support in meson pinconf driver. This is a new feature that was added on the g12a. It is critical for us to support this since many functions are failing with default pad drive-strength. The value achievable by the SoC are 0.5mA, 2.5mA, 3mA and 4mA and the DT property 'drive-strength' is expressed in mA. So this patch add another generic property "drive-strength-microamp". The change to do so would be minimal and could be benefit to other platforms later on. Cheers Guillaume Changes since v4: - fix dt-binding documentation - rename drive-strength-uA to drive-strength-microamp in coverletter Changes since v3: - remove dev_err in meson_get_drive_strength - cleanup code Changes since v2: - rename driver-strength-uA property to drive-strength-microamp - rework patch series for better understanding - rework set_bias function Changes since v1: - fix missing break - implement new pinctrl generic property "drive-strength-uA" [1] https://lkml.kernel.org/r/20190314163725.7918-1-jbrunet@baylibre.com Guillaume La Roque (6): dt-bindings: pinctrl: add a 'drive-strength-microamp' property pinctrl: generic: add new 'drive-strength-microamp' property support dt-bindings: pinctrl: meson: Add drive-strength-microamp property pinctrl: meson: Rework enable/disable bias part pinctrl: meson: add support of drive-strength-microamp pinctrl: meson: g12a: add DS bank value .../bindings/pinctrl/meson,pinctrl.txt | 4 + .../bindings/pinctrl/pinctrl-bindings.txt | 3 + drivers/pinctrl/meson/pinctrl-meson-g12a.c | 36 ++-- drivers/pinctrl/meson/pinctrl-meson.c | 180 ++++++++++++++---- drivers/pinctrl/meson/pinctrl-meson.h | 18 +- drivers/pinctrl/pinconf-generic.c | 2 + include/linux/pinctrl/pinconf-generic.h | 3 + 7 files changed, 193 insertions(+), 53 deletions(-) -- 2.17.1