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=-9.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,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 B4665ECE58E for ; Wed, 9 Oct 2019 04:53:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 76877218AC for ; Wed, 9 Oct 2019 04:53:06 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="Ewr0dLfG" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730346AbfJIExF (ORCPT ); Wed, 9 Oct 2019 00:53:05 -0400 Received: from mail-pf1-f196.google.com ([209.85.210.196]:39703 "EHLO mail-pf1-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729040AbfJIExF (ORCPT ); Wed, 9 Oct 2019 00:53:05 -0400 Received: by mail-pf1-f196.google.com with SMTP id v4so779916pff.6 for ; Tue, 08 Oct 2019 21:53:03 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id; bh=BVPDZ+UM30WirOqNPfNn7Zfe1sfZXxP2P+omCF1CkXM=; b=Ewr0dLfGV3C81iZtiq9ImVyUdComMA/4a9GbeiEGsQkyAMNZ8/e6pDLMSebzRSbIa+ ryYN1cXcBAnzJINPo1cfm1WuV6rWMqP8tX5H+40EwiMZe8GTU1U3Hwrh3nihEpdbDIAP Bgsp28d0W3GhraUzHJNS370erIjrDJ8nSZTVjnfpk5SvdvPChqTp1gUBK7IGqYaWzaj9 XRWxyVfPldyZUKYFKCBoDdV9sPI4L7UffXU7BQEhPIpVZEkeX5WjO/DC9FKuVIVACTdg O5n9B+S9dUT2OY/gP8muAzeueJy3nXOCQp8hXJ2QCumAvydNQWa2SQS+UJRKp+TxH+GF DPUw== 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=BVPDZ+UM30WirOqNPfNn7Zfe1sfZXxP2P+omCF1CkXM=; b=O9e/qA+qhzjfnwv2p/e6mrHSRIJmEbB4qIjare4CYvfGmZ+c0YbF2TaO+80FJi9GH3 A6JyTepK1aD0huTV6vgHrDMg2F3BHaeeTTyATbil7XZtEx8eh6Tovf54k3gfSQvIk5s6 ylkbuGp583WpogFmFXsHmWLUIYjvsmHxWWMBxpSN/IZF4jeL0tfikmrA4N/XkVX8urTC gCV0WdB5W+a6JzBSEvnNxPRJTS0YVyCUxRapThfikigpz0H1J3GBdzsU/tP6CRtiZfLw Ty38DgrGg4xakFq1xh3qW3QuLWe3hTJj8Q3m5W9tyw/kajEQD0pmMaUOtgMdLQdT9VWz Wk/g== X-Gm-Message-State: APjAAAXyiGH3cwsT9CkjL8PsiwrGTF6JNaahmNw7djGOJdg1ewGh0wZx Ij5Z2X8Rt7lUzmbmjuqYtFo1GQ== X-Google-Smtp-Source: APXvYqyfpuTkCgyxfhyRsMlgzXxl1EcKj9bSJP/ThZa9N+wKRgLR04rtxULOcr832GHuu/Rc2AH7wQ== X-Received: by 2002:a65:520d:: with SMTP id o13mr2343089pgp.42.1570596782870; Tue, 08 Oct 2019 21:53:02 -0700 (PDT) Received: from baolinwangubtpc.spreadtrum.com ([117.18.48.82]) by smtp.gmail.com with ESMTPSA id 7sm732678pgx.26.2019.10.08.21.53.00 (version=TLS1 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Tue, 08 Oct 2019 21:53:02 -0700 (PDT) From: Baolin Wang To: linus.walleij@linaro.org Cc: orsonzhai@gmail.com, zhang.lyra@gmail.com, baolin.wang@linaro.org, linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH] pinctrl: sprd: Add PIN_CONFIG_BIAS_DISABLE configuration support Date: Wed, 9 Oct 2019 12:52:45 +0800 Message-Id: <66d373ddee61e8be2fcef49aac5e80bd58f14915.1570596606.git.baolin.wang@linaro.org> X-Mailer: git-send-email 1.7.9.5 Sender: linux-gpio-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org Add PIN_CONFIG_BIAS_DISABLE configuration support for Spreadtrum pin controller. Signed-off-by: Baolin Wang --- drivers/pinctrl/sprd/pinctrl-sprd.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/drivers/pinctrl/sprd/pinctrl-sprd.c b/drivers/pinctrl/sprd/pinctrl-sprd.c index 7b95bf5..8869843 100644 --- a/drivers/pinctrl/sprd/pinctrl-sprd.c +++ b/drivers/pinctrl/sprd/pinctrl-sprd.c @@ -484,6 +484,13 @@ static int sprd_pinconf_get(struct pinctrl_dev *pctldev, unsigned int pin_id, SLEEP_PULL_UP_MASK) << 16; arg |= (reg >> PULL_UP_SHIFT) & PULL_UP_MASK; break; + case PIN_CONFIG_BIAS_DISABLE: + if ((reg & (SLEEP_PULL_DOWN | SLEEP_PULL_UP)) || + (reg & (PULL_DOWN | PULL_UP_4_7K | PULL_UP_20K))) + return -EINVAL; + + arg = 1; + break; case PIN_CONFIG_SLEEP_HARDWARE_STATE: arg = 0; break; @@ -674,6 +681,16 @@ static int sprd_pinconf_set(struct pinctrl_dev *pctldev, unsigned int pin_id, shift = PULL_UP_SHIFT; } break; + case PIN_CONFIG_BIAS_DISABLE: + if (is_sleep_config == true) { + val = shift = 0; + mask = SLEEP_PULL_DOWN | SLEEP_PULL_UP; + } else { + val = shift = 0; + mask = PULL_DOWN | PULL_UP_20K | + PULL_UP_4_7K; + } + break; case PIN_CONFIG_SLEEP_HARDWARE_STATE: continue; default: -- 1.7.9.5