From patchwork Wed Mar 3 13:26:13 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Geert Uytterhoeven X-Patchwork-Id: 393044 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=-11.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable 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 2F517C433E6 for ; Thu, 4 Mar 2021 00:32:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0ACDE64E51 for ; Thu, 4 Mar 2021 00:32:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1355582AbhCDAcX (ORCPT ); Wed, 3 Mar 2021 19:32:23 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49542 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1380274AbhCCN3J (ORCPT ); Wed, 3 Mar 2021 08:29:09 -0500 Received: from michel.telenet-ops.be (michel.telenet-ops.be [IPv6:2a02:1800:110:4::f00:18]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 97B7CC06121E for ; Wed, 3 Mar 2021 05:26:28 -0800 (PST) Received: from ramsan.of.borg ([IPv6:2a02:1810:ac12:ed20:cd47:42a6:c822:e50b]) by michel.telenet-ops.be with bizsmtp id bpSR2400M4huzR806pSRho; Wed, 03 Mar 2021 14:26:26 +0100 Received: from rox.of.borg ([192.168.97.57]) by ramsan.of.borg with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.93) (envelope-from ) id 1lHRWD-004Ps0-EN; Wed, 03 Mar 2021 14:26:25 +0100 Received: from geert by rox.of.borg with local (Exim 4.93) (envelope-from ) id 1lHRWC-00GWV3-Lp; Wed, 03 Mar 2021 14:26:24 +0100 From: Geert Uytterhoeven To: Linus Walleij Cc: Ulrich Hecht , Biju Das , linux-renesas-soc@vger.kernel.org, linux-gpio@vger.kernel.org, Geert Uytterhoeven Subject: [PATCH 0/6] pinctrl: renesas: Bias improvements and r8a7791 support Date: Wed, 3 Mar 2021 14:26:13 +0100 Message-Id: <20210303132619.3938128-1-geert+renesas@glider.be> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org Hi all, This patch series improves the existing bias support in the Renesas Pin Function Controller driver, and adds pull-up and pull-down support for the R-Car M2-W and M2-N, and RZ/G1M and RZ/G1N SoCs. The latter has been tested on the Koelsch development board by measuring the voltages on the GP5_[0-3] pins when the software switches (SW2) are closed: - With internal bias disabled, the 2kΩ external pull-down resistors pull the GPIO lines all the way to GND, - With internal pull-up enabled, the internal pull-up resistors and the external pull-down resistors form a voltage divider, showing the internal pull-up resistors have a value of ca. 45kΩ. To be queued in renesas-pinctrl-for-v5.13. Thanks for your comments! Geert Uytterhoeven (6): pinctrl: renesas: Make sh_pfc_pin_to_bias_reg() static pinctrl: renesas: Move R-Car bias helpers to sh_pfc.h pinctrl: renesas: Factor out common R-Mobile bias handling pinctrl: renesas: Add PORT_GP_CFG_7 macros pinctrl: renesas: Add support for R-Car SoCs with pull-down only pins pinctrl: renesas: r8a7791: Add bias pinconf support drivers/pinctrl/renesas/core.c | 20 -- drivers/pinctrl/renesas/core.h | 8 - drivers/pinctrl/renesas/pfc-r8a73a4.c | 48 +-- drivers/pinctrl/renesas/pfc-r8a7740.c | 46 +-- drivers/pinctrl/renesas/pfc-r8a7778.c | 1 - drivers/pinctrl/renesas/pfc-r8a7791.c | 387 ++++++++++++++++++++++++- drivers/pinctrl/renesas/pfc-r8a7792.c | 1 - drivers/pinctrl/renesas/pfc-r8a77950.c | 1 - drivers/pinctrl/renesas/pfc-r8a77951.c | 1 - drivers/pinctrl/renesas/pfc-r8a7796.c | 1 - drivers/pinctrl/renesas/pfc-r8a77965.c | 1 - drivers/pinctrl/renesas/pfc-r8a77970.c | 1 - drivers/pinctrl/renesas/pfc-r8a77980.c | 1 - drivers/pinctrl/renesas/pfc-r8a77990.c | 1 - drivers/pinctrl/renesas/pfc-r8a77995.c | 1 - drivers/pinctrl/renesas/pfc-r8a779a0.c | 1 - drivers/pinctrl/renesas/pfc-sh73a0.c | 46 +-- drivers/pinctrl/renesas/pinctrl.c | 109 +++++-- drivers/pinctrl/renesas/sh_pfc.h | 24 +- 19 files changed, 497 insertions(+), 202 deletions(-) Reviewed-by: Niklas Söderlund Reviewed-by: Niklas Söderlund Reviewed-by: Niklas Söderlund