From patchwork Wed Oct 17 12:31:46 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Roland Stigge X-Patchwork-Id: 1605831 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork1.kernel.org Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) by patchwork1.kernel.org (Postfix) with ESMTP id B1C423FD4F for ; Wed, 17 Oct 2012 12:46:19 +0000 (UTC) Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.76 #1 (Red Hat Linux)) id 1TOSy3-0007mp-FB; Wed, 17 Oct 2012 12:43:25 +0000 Received: from mail.work-microwave.de ([62.245.205.51] helo=work-microwave.de) by merlin.infradead.org with esmtp (Exim 4.76 #1 (Red Hat Linux)) id 1TOSsb-0004EC-Q0 for linux-arm-kernel@lists.infradead.org; Wed, 17 Oct 2012 12:37:49 +0000 Received: from rst-pc1.lan.work-microwave.de ([192.168.11.78]) (authenticated bits=0) by mail.work-microwave.de with ESMTP id q9HCbcSd025510 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Wed, 17 Oct 2012 13:37:39 +0100 Received: by rst-pc1.lan.work-microwave.de (Postfix, from userid 1000) id 84A7AAE06B; Wed, 17 Oct 2012 14:37:38 +0200 (CEST) From: Roland Stigge To: gregkh@linuxfoundation.org, grant.likely@secretlab.ca, linus.walleij@linaro.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, w.sang@pengutronix.de, jbe@pengutronix.de, plagnioj@jcrosoft.com, highguy@gmail.com, broonie@opensource.wolfsonmicro.com, daniel-gl@gmx.net, rmallon@gmail.com Subject: [PATCH RFC 14/15 v5] gpio-vt8500: Add block GPIO API Date: Wed, 17 Oct 2012 14:31:46 +0200 Message-Id: <1350477107-26512-15-git-send-email-stigge@antcom.de> X-Mailer: git-send-email 1.7.10.4 In-Reply-To: <1350477107-26512-1-git-send-email-stigge@antcom.de> References: <1350477107-26512-1-git-send-email-stigge@antcom.de> X-FEAS-SYSTEM-WL: rst@work-microwave.de, 192.168.11.78 X-Spam-Note: CRM114 invocation failed X-Spam-Score: -2.3 (--) X-Spam-Report: SpamAssassin version 3.3.2 on merlin.infradead.org summary: Content analysis details: (-2.3 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.4 RP_MATCHES_RCVD Envelope sender domain matches handover relay domain -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] Cc: Roland Stigge X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: linux-arm-kernel-bounces@lists.infradead.org Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org This patch adds block GPIO API support to the gpio-vt8500 driver. Signed-off-by: Roland Stigge --- drivers/gpio/gpio-vt8500.c | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) --- linux-2.6.orig/drivers/gpio/gpio-vt8500.c +++ linux-2.6/drivers/gpio/gpio-vt8500.c @@ -209,6 +209,28 @@ static void vt8500_gpio_set_value(struct writel_relaxed(val, vt8500_chip->base + vt8500_chip->regs->data_out); } +static unsigned long vt8500_gpio_get_block(struct gpio_chip *chip, + unsigned long mask) +{ + struct vt8500_gpio_chip *vt8500_chip = to_vt8500(chip); + + return readl_relaxed(vt8500_chip->base + vt8500_chip->regs->data_in) & + mask; +} + +static void vt8500_gpio_set_block(struct gpio_chip *chip, unsigned long mask, + unsigned long values) +{ + struct vt8500_gpio_chip *vt8500_chip = to_vt8500(chip); + + u32 val = readl_relaxed(vt8500_chip->base + + vt8500_chip->regs->data_out); + val &= ~mask; + val |= values & mask; + + writel_relaxed(val, vt8500_chip->base + vt8500_chip->regs->data_out); +} + static int vt8500_of_xlate(struct gpio_chip *gc, const struct of_phandle_args *gpiospec, u32 *flags) { @@ -251,6 +273,8 @@ static int vt8500_add_chips(struct platf chip->direction_output = vt8500_gpio_direction_output; chip->get = vt8500_gpio_get_value; chip->set = vt8500_gpio_set_value; + chip->get_block = vt8500_gpio_get_block; + chip->set_block = vt8500_gpio_set_block; chip->can_sleep = 0; chip->base = pin_cnt; chip->ngpio = data->banks[i].ngpio;