From patchwork Thu Dec 19 03:59:18 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bo Shen X-Patchwork-Id: 3374791 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id BCA159F375 for ; Thu, 19 Dec 2013 04:02:36 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 0695720600 for ; Thu, 19 Dec 2013 04:02:36 +0000 (UTC) Received: from casper.infradead.org (casper.infradead.org [85.118.1.10]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id CE36E201D5 for ; Thu, 19 Dec 2013 04:02:34 +0000 (UTC) Received: from merlin.infradead.org ([2001:4978:20e::2]) by casper.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1VtUng-0002bd-4s; Thu, 19 Dec 2013 04:01:29 +0000 Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1VtUnE-0002U6-Sy; Thu, 19 Dec 2013 04:01:00 +0000 Received: from newsmtp5.atmel.com ([204.2.163.5] helo=sjogate2.atmel.com) by merlin.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1VtUmX-0002Q0-Cj for linux-arm-kernel@lists.infradead.org; Thu, 19 Dec 2013 04:00:19 +0000 Received: from shaarm01.corp.atmel.com ([10.217.6.34]) by sjogate2.atmel.com (8.13.6/8.13.6) with ESMTP id rBJ3rNGc014858; Wed, 18 Dec 2013 19:53:29 -0800 (PST) From: Bo Shen To: nicolas.ferre@atmel.com Subject: [PATCH 3/3] arm: at91: at91sam9m10g45ek: switch to PWM leds Date: Thu, 19 Dec 2013 11:59:18 +0800 Message-Id: <1387425558-8589-4-git-send-email-voice.shen@atmel.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1387425558-8589-1-git-send-email-voice.shen@atmel.com> References: <1387425558-8589-1-git-send-email-voice.shen@atmel.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20131218_230017_702905_0398AD13 X-CRM114-Status: GOOD ( 10.18 ) X-Spam-Score: -2.4 (--) Cc: plagnioj@jcrosoft.com, Bo Shen , linux-arm-kernel@lists.infradead.org X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-4.7 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP The d6 and d7 is connected to PWM, we can use PWM to control it, so switch to PWM leds. Signed-off-by: Bo Shen --- arch/arm/boot/dts/at91sam9m10g45ek.dts | 25 +++++++++++++++++++++++-- 1 file changed, 23 insertions(+), 2 deletions(-) diff --git a/arch/arm/boot/dts/at91sam9m10g45ek.dts b/arch/arm/boot/dts/at91sam9m10g45ek.dts index a4b00e5..96059e6 100644 --- a/arch/arm/boot/dts/at91sam9m10g45ek.dts +++ b/arch/arm/boot/dts/at91sam9m10g45ek.dts @@ -105,6 +105,14 @@ AT91_PIOD 29 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP>; /* PD29 gpio WP pin pull up */ }; }; + + pwm0 { + pinctrl_pwm_leds: pwm-led { + atmel,pins = + ; /* PD31 periph B */ + }; + }; }; spi0: spi@fffa4000{ @@ -121,6 +129,13 @@ atmel,vbus-gpio = <&pioB 19 GPIO_ACTIVE_HIGH>; status = "okay"; }; + + pwm0: pwm@fffb8000 { + status = "okay"; + + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_pwm_leds>; + }; }; nand0: nand@40000000 { @@ -165,16 +180,22 @@ gpios = <&pioD 30 GPIO_ACTIVE_HIGH>; linux,default-trigger = "heartbeat"; }; + }; + + pwmleds { + compatible = "pwm-leds"; d6 { label = "d6"; - gpios = <&pioD 0 GPIO_ACTIVE_LOW>; + pwms = <&pwm0 3 5000 0>; + max-brightness = <255>; linux,default-trigger = "nand-disk"; }; d7 { label = "d7"; - gpios = <&pioD 31 GPIO_ACTIVE_LOW>; + pwms = <&pwm0 1 5000 0>; + max-brightness = <255>; linux,default-trigger = "mmc0"; }; };