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=-8.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,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 A4098C4161B for ; Wed, 10 Oct 2018 14:26:04 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6AECD2085B for ; Wed, 10 Oct 2018 14:26:04 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 6AECD2085B Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=v3.sk Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727444AbeJJVsA (ORCPT ); Wed, 10 Oct 2018 17:48:00 -0400 Received: from shell.v3.sk ([90.176.6.54]:53494 "EHLO shell.v3.sk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726649AbeJJVr7 (ORCPT ); Wed, 10 Oct 2018 17:47:59 -0400 Received: from localhost (localhost [127.0.0.1]) by zimbra.v3.sk (Postfix) with ESMTP id E0105BCF62; Wed, 10 Oct 2018 16:25:31 +0200 (CEST) Received: from shell.v3.sk ([127.0.0.1]) by localhost (zimbra.v3.sk [127.0.0.1]) (amavisd-new, port 10032) with ESMTP id BPkrXXem0ap3; Wed, 10 Oct 2018 16:25:21 +0200 (CEST) Received: from localhost (localhost [127.0.0.1]) by zimbra.v3.sk (Postfix) with ESMTP id 65983BCF5E; Wed, 10 Oct 2018 16:25:15 +0200 (CEST) X-Virus-Scanned: amavisd-new at zimbra.v3.sk Received: from shell.v3.sk ([127.0.0.1]) by localhost (zimbra.v3.sk [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id M16OtDS2XjH9; Wed, 10 Oct 2018 16:25:12 +0200 (CEST) Received: from belphegor.lan (ip-89-102-31-34.net.upcbroadband.cz [89.102.31.34]) by zimbra.v3.sk (Postfix) with ESMTPSA id 8F761BCF6B; Wed, 10 Oct 2018 16:25:11 +0200 (CEST) From: Lubomir Rintel To: Dmitry Torokhov Cc: Michael Turquette , Rob Herring , Mark Rutland , Stephen Boyd , James Cameron , linux-input@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-clk@vger.kernel.org, Lubomir Rintel Subject: [PATCH v2 8/8] Input: olpc_apsp: allocate the GPIOs used Date: Wed, 10 Oct 2018 16:25:04 +0200 Message-Id: <20181010142504.233467-9-lkundrak@v3.sk> X-Mailer: git-send-email 2.19.0 In-Reply-To: <20181010142504.233467-1-lkundrak@v3.sk> References: <20181010142504.233467-1-lkundrak@v3.sk> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Take the GPIO lines are used by the SP. The driver doesn't touch the lines -- this is done to disallow anything else from fiddling with them because that would confuse the SP firmware. Also, the lines are now nicely visible in /sys/kernel/debug/gpio. Signed-off-by: Lubomir Rintel --- drivers/input/serio/olpc_apsp.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/drivers/input/serio/olpc_apsp.c b/drivers/input/serio/olpc_a= psp.c index fe9e19014e70..287759c5f36d 100644 --- a/drivers/input/serio/olpc_apsp.c +++ b/drivers/input/serio/olpc_apsp.c @@ -24,6 +24,7 @@ #include #include #include +#include =20 /* * The OLPC XO-1.75 and XO-4 laptops do not have a hardware PS/2 control= ler. @@ -76,6 +77,8 @@ struct olpc_apsp { struct serio *padio; void __iomem *base; struct clk *clk; + struct gpio_desc *clk_gpio; + struct gpio_desc *data_gpio; int open_count; int irq; }; @@ -211,6 +214,16 @@ static int olpc_apsp_probe(struct platform_device *p= dev) if (IS_ERR(priv->clk)) return PTR_ERR(priv->clk); =20 + priv->clk_gpio =3D devm_gpiod_get_optional(&pdev->dev, "clk", + GPIOD_ASIS); + if (IS_ERR(priv->clk_gpio)) + return PTR_ERR(priv->clk_gpio); + + priv->data_gpio =3D devm_gpiod_get_optional(&pdev->dev, "data", + GPIOD_ASIS); + if (IS_ERR(priv->data_gpio)) + return PTR_ERR(priv->data_gpio); + /* KEYBOARD */ kb_serio =3D kzalloc(sizeof(struct serio), GFP_KERNEL); if (!kb_serio) --=20 2.19.0