From patchwork Wed Mar 27 21:20:40 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Emilio_L=C3=B3pez?= X-Patchwork-Id: 231836 Return-Path: X-Original-To: incoming-imx@patchwork.ozlabs.org Delivered-To: patchwork-incoming-imx@bilbo.ozlabs.org Received: from merlin.infradead.org (merlin.infradead.org [IPv6:2001:4978:20e::2]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id AC0BC2C00CF for ; Thu, 28 Mar 2013 08:27:14 +1100 (EST) Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1UKxpF-0008Cu-AK; Wed, 27 Mar 2013 21:24:05 +0000 Received: from [2606:3f00:60:21c:d00d:c0de:4:f00d] (helo=zetta.elopez.com.ar) by merlin.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1UKxoH-0007vf-8W for linux-arm-kernel@lists.infradead.org; Wed, 27 Mar 2013 21:23:05 +0000 Received: from 201-212-118-238.prima.net.ar ([201.212.118.238] helo=desktop.lan) by zetta.elopez.com.ar with esmtpsa (TLS1.2:DHE_RSA_AES_256_CBC_SHA256:256) (Exim 4.80) id 1UKxoD-0005Sk-3i; Wed, 27 Mar 2013 18:23:01 -0300 From: =?UTF-8?q?Emilio=20L=C3=B3pez?= To: Maxime Ripard , Mike Turquette , Linus Walleij Subject: [PATCH v2 4/7] pinctrl: sunxi: add clock support Date: Wed, 27 Mar 2013 18:20:40 -0300 Message-Id: <1364419243-18446-5-git-send-email-emilio@elopez.com.ar> X-Mailer: git-send-email 1.8.2 In-Reply-To: <1364419243-18446-1-git-send-email-emilio@elopez.com.ar> References: <1363962042-29536-1-git-send-email-emilio@elopez.com.ar> <1364419243-18446-1-git-send-email-emilio@elopez.com.ar> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20130327_172305_405666_03E6EF73 X-CRM114-Status: UNSURE ( 9.00 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -1.1 (-) X-Spam-Report: SpamAssassin version 3.3.2 on merlin.infradead.org summary: Content analysis details: (-1.1 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 SPF_PASS SPF: sender matches SPF record -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] 0.8 RDNS_NONE Delivered to internal network by a host with no rDNS Cc: Alejandro Mery , =?UTF-8?q?Emilio=20L=C3=B3pez?= , Stefan Roese , linux-arm-kernel@lists.infradead.org X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.15 Precedence: list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+incoming-imx=patchwork.ozlabs.org@lists.infradead.org List-Id: linux-imx-kernel.lists.patchwork.ozlabs.org For the port controller to work, we need to enable the apb0_pio gate. This commit adds the ability to enable one clock specified on the device tree to the pinctrl driver. Signed-off-by: Emilio López --- Changes from v1: - no changes drivers/pinctrl/pinctrl-sunxi.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/pinctrl/pinctrl-sunxi.c b/drivers/pinctrl/pinctrl-sunxi.c index 3e41cd1..a1e2af7 100644 --- a/drivers/pinctrl/pinctrl-sunxi.c +++ b/drivers/pinctrl/pinctrl-sunxi.c @@ -11,6 +11,7 @@ */ #include +#include #include #include #include @@ -1917,6 +1918,7 @@ static int sunxi_pinctrl_probe(struct platform_device *pdev) struct pinctrl_pin_desc *pins; struct sunxi_pinctrl *pctl; int i, ret, last_pin; + struct clk *clk; pctl = devm_kzalloc(&pdev->dev, sizeof(*pctl), GFP_KERNEL); if (!pctl) @@ -1987,6 +1989,12 @@ static int sunxi_pinctrl_probe(struct platform_device *pdev) goto gpiochip_error; } + clk = devm_clk_get(&pdev->dev, NULL); + if (IS_ERR(clk)) + goto gpiochip_error; + + clk_prepare_enable(clk); + dev_info(&pdev->dev, "initialized sunXi PIO driver\n"); return 0;