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=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,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=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 F20BCECDE27 for ; Wed, 11 Sep 2019 05:16:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C5C6021D7B for ; Wed, 11 Sep 2019 05:16:15 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=broadcom.com header.i=@broadcom.com header.b="hXFF7s+P" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725924AbfIKFQP (ORCPT ); Wed, 11 Sep 2019 01:16:15 -0400 Received: from mail-pf1-f195.google.com ([209.85.210.195]:43555 "EHLO mail-pf1-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725747AbfIKFQP (ORCPT ); Wed, 11 Sep 2019 01:16:15 -0400 Received: by mail-pf1-f195.google.com with SMTP id d15so12872653pfo.10 for ; Tue, 10 Sep 2019 22:16:14 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=broadcom.com; s=google; h=from:to:cc:subject:date:message-id; bh=BMbiIR1LyRY98dnnELG+YAf1kawqGEANpBbQC+CCbhM=; b=hXFF7s+PuFW/NxL4QbBtCtkypBM6BCKYfL5Y4lDxq0MOLXR5iPqBGXyy6lo6DNUTzf bfCuPZIzKyEo5zHuuJ4/fcTkFLpI0wmW7ZILWwHnD4bjemvW3FE/mnuDq5PIvxzlDSvW H+OdfrFmDdj+G6wKnx6ypaSLghjQ0p14FssHQ= 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=BMbiIR1LyRY98dnnELG+YAf1kawqGEANpBbQC+CCbhM=; b=Kj0ZdEphy+19q7dZBB9nCf2IMijnxGEdpEb65GMm264oe9ELnhCZQJWidFAkMN6RK1 E+ugF5AnTiEeh+egvPLFJmclk6ZT/cVABL7Z4VO2M86v+PT7uKSXxX+7ykiK2KTRn3Gm RoLirK/NwpR/+UTbRBXLkDdztrG3r97oCDeljbJqT77OfC01Q7mxYUlvOMjTBf1qjQz4 eZoxj+UWauTiJlpiHOTFgtq7kJKm2Tx4o+348k9Bc7/1eIMPlPN7Rlmd9EW9Zrrj9jIa 4YdZ0LDHOOM1iX9m6awYIzEI3RujHRwAsjQobB46DT81bW1L2HW4qmi/gF9JwXL5RC0d nlCw== X-Gm-Message-State: APjAAAVDvo2StQsijTKjOdbInopOCk+A90hHmwwHNzvOhAH6z7CmY51G 27YJs1APXV7+xm55ksMXl4x2UA== X-Google-Smtp-Source: APXvYqwYQWfMQ6vWWOF3mSdlh/pc8D0x/hHtJukanbuXtbH4cOkp3f+6D5/1gN28cXGa7MC9q4xGzA== X-Received: by 2002:a63:6a4a:: with SMTP id f71mr30755038pgc.409.1568178973942; Tue, 10 Sep 2019 22:16:13 -0700 (PDT) Received: from rayagonda.dhcp.broadcom.net ([192.19.234.250]) by smtp.gmail.com with ESMTPSA id h186sm33650986pfb.63.2019.09.10.22.16.10 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Tue, 10 Sep 2019 22:16:12 -0700 (PDT) From: Rayagonda Kokatanur To: Linus Walleij , Ray Jui , Scott Branden , bcm-kernel-feedback-list@broadcom.com, linux-gpio@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Cc: Rayagonda Kokatanur Subject: [PATCH v1 1/1] pinctrl: iproc: Add 'get_direction' support Date: Wed, 11 Sep 2019 10:41:25 +0530 Message-Id: <1568178685-30738-1-git-send-email-rayagonda.kokatanur@broadcom.com> X-Mailer: git-send-email 1.9.1 Sender: linux-gpio-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org Add 'get_direction' support to the iProc GPIO driver. Signed-off-by: Rayagonda Kokatanur --- drivers/pinctrl/bcm/pinctrl-iproc-gpio.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/drivers/pinctrl/bcm/pinctrl-iproc-gpio.c b/drivers/pinctrl/bcm/pinctrl-iproc-gpio.c index b70058c..d782d70 100644 --- a/drivers/pinctrl/bcm/pinctrl-iproc-gpio.c +++ b/drivers/pinctrl/bcm/pinctrl-iproc-gpio.c @@ -355,6 +355,15 @@ static int iproc_gpio_direction_output(struct gpio_chip *gc, unsigned gpio, return 0; } +static int iproc_gpio_get_direction(struct gpio_chip *gc, unsigned int gpio) +{ + struct iproc_gpio *chip = gpiochip_get_data(gc); + unsigned int offset = IPROC_GPIO_REG(gpio, IPROC_GPIO_OUT_EN_OFFSET); + unsigned int shift = IPROC_GPIO_SHIFT(gpio); + + return !(readl(chip->base + offset) & BIT(shift)); +} + static void iproc_gpio_set(struct gpio_chip *gc, unsigned gpio, int val) { struct iproc_gpio *chip = gpiochip_get_data(gc); @@ -784,6 +793,7 @@ static int iproc_gpio_probe(struct platform_device *pdev) gc->free = iproc_gpio_free; gc->direction_input = iproc_gpio_direction_input; gc->direction_output = iproc_gpio_direction_output; + gc->get_direction = iproc_gpio_get_direction; gc->set = iproc_gpio_set; gc->get = iproc_gpio_get; -- 1.9.1