From patchwork Mon Aug 18 17:29:42 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Doug Anderson X-Patchwork-Id: 4738441 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 14EB2C033A for ; Mon, 18 Aug 2014 17:35:09 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 44FEF20131 for ; Mon, 18 Aug 2014 17:35:08 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (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 3E0982011D for ; Mon, 18 Aug 2014 17:35:03 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1XJQlf-0006dk-55; Mon, 18 Aug 2014 17:30:51 +0000 Received: from mail-pd0-f202.google.com ([209.85.192.202]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1XJQl0-0004xo-GQ for linux-arm-kernel@lists.infradead.org; Mon, 18 Aug 2014 17:30:11 +0000 Received: by mail-pd0-f202.google.com with SMTP id w10so1405819pde.1 for ; Mon, 18 Aug 2014 10:29:46 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=sHviM5R76D1PLMJC22qTqXIyPESy6QWUUsu3k7i+/MU=; b=JDemvyi52UF3mQZhpsxSu3ypz1Gj/47BgrcCtYkZPwB3JdNq3RahcSgnFvqocqIgsM OPX+mucSLDSI2U1uigRMu09Yw7FXPk5nhhYEEV9a7AUe8OLFcWwGMgpCZTxlZPuCragh u62GTvF6syI0sXAYT/6CX9RB5v9zDfQBuLjsWMBkoWjOsJaHBJTbMzniagxxBWMu9oJH azG1LW0amwvkiORwCKw/2OrCYs20K1XOIf9PBv+mSzDa9LWxowAjeyInp9EK/3JK/yxi fPM22CmO7ljli+gkC91L906p4jA7EbkGh1NsHcfhEYZ5Y7HqGLXcw9DVKWwcnKPTLnqV EuKA== X-Gm-Message-State: ALoCoQl6fyTQU8rEDOkykkwzxEgWnCZDh0bhQp8QU7Llh+R/P+KuXcVrl7KZnIIE2QBjsTvKQDiC X-Received: by 10.66.255.70 with SMTP id ao6mr13143438pad.5.1408382984652; Mon, 18 Aug 2014 10:29:44 -0700 (PDT) Received: from corp2gmr1-1.hot.corp.google.com (corp2gmr1-1.hot.corp.google.com [172.24.189.92]) by gmr-mx.google.com with ESMTPS id x19si77289yhg.0.2014.08.18.10.29.44 for (version=TLSv1.1 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Mon, 18 Aug 2014 10:29:44 -0700 (PDT) Received: from tictac.mtv.corp.google.com (tictac.mtv.corp.google.com [172.22.162.15]) by corp2gmr1-1.hot.corp.google.com (Postfix) with ESMTP id 6C3B531C5DA; Mon, 18 Aug 2014 10:29:44 -0700 (PDT) Received: by tictac.mtv.corp.google.com (Postfix, from userid 121310) id 0FA6E80D91; Mon, 18 Aug 2014 10:29:44 -0700 (PDT) From: Doug Anderson To: Heiko Stuebner , Thierry Reding , Caesar Wang Subject: [PATCH v2 4/4] ARM: dts: Enable pwm backlight on rk3288-EVB Date: Mon, 18 Aug 2014 10:29:42 -0700 Message-Id: <1408382982-2077-5-git-send-email-dianders@chromium.org> X-Mailer: git-send-email 2.1.0.rc2.206.gedb03e5 In-Reply-To: <1408382982-2077-1-git-send-email-dianders@chromium.org> References: <1408382982-2077-1-git-send-email-dianders@chromium.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20140818_103010_623869_D12CE813 X-CRM114-Status: UNSURE ( 8.69 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -2.0 (--) Cc: mark.rutland@arm.com, devicetree@vger.kernel.org, linux@arm.linux.org.uk, pawel.moll@arm.com, ijc+devicetree@hellion.org.uk, Doug Anderson , linux-kernel@vger.kernel.org, robh+dt@kernel.org, Eddie Cai , galak@codeaurora.org, olof@lixom.net, Sonny Rao , linux-arm-kernel@lists.infradead.org X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.18-1 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=-2.6 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_NONE, 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 pwm0 is the PWM associated with the LCD backlight. Enable it. Signed-off-by: Doug Anderson --- Changes in v2: None arch/arm/boot/dts/rk3288-evb.dtsi | 53 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 53 insertions(+) diff --git a/arch/arm/boot/dts/rk3288-evb.dtsi b/arch/arm/boot/dts/rk3288-evb.dtsi index 2964370..242e1a9 100644 --- a/arch/arm/boot/dts/rk3288-evb.dtsi +++ b/arch/arm/boot/dts/rk3288-evb.dtsi @@ -10,6 +10,7 @@ * GNU General Public License for more details. */ +#include #include "rk3288.dtsi" / { @@ -17,6 +18,48 @@ reg = <0x0 0x80000000>; }; + backlight { + compatible = "pwm-backlight"; + brightness-levels = < + 0 1 2 3 4 5 6 7 + 8 9 10 11 12 13 14 15 + 16 17 18 19 20 21 22 23 + 24 25 26 27 28 29 30 31 + 32 33 34 35 36 37 38 39 + 40 41 42 43 44 45 46 47 + 48 49 50 51 52 53 54 55 + 56 57 58 59 60 61 62 63 + 64 65 66 67 68 69 70 71 + 72 73 74 75 76 77 78 79 + 80 81 82 83 84 85 86 87 + 88 89 90 91 92 93 94 95 + 96 97 98 99 100 101 102 103 + 104 105 106 107 108 109 110 111 + 112 113 114 115 116 117 118 119 + 120 121 122 123 124 125 126 127 + 128 129 130 131 132 133 134 135 + 136 137 138 139 140 141 142 143 + 144 145 146 147 148 149 150 151 + 152 153 154 155 156 157 158 159 + 160 161 162 163 164 165 166 167 + 168 169 170 171 172 173 174 175 + 176 177 178 179 180 181 182 183 + 184 185 186 187 188 189 190 191 + 192 193 194 195 196 197 198 199 + 200 201 202 203 204 205 206 207 + 208 209 210 211 212 213 214 215 + 216 217 218 219 220 221 222 223 + 224 225 226 227 228 229 230 231 + 232 233 234 235 236 237 238 239 + 240 241 242 243 244 245 246 247 + 248 249 250 251 252 253 254 255>; + default-brightness-level = <128>; + enable-gpios = <&gpio7 2 GPIO_ACTIVE_HIGH>; + pinctrl-names = "default"; + pinctrl-0 = <&bl_en>; + pwms = <&pwm0 0 1000000 PWM_POLARITY_INVERTED>; + }; + gpio-keys { compatible = "gpio-keys"; #address-cells = <1>; @@ -81,6 +124,10 @@ status = "okay"; }; +&pwm0 { + status = "okay"; +}; + &uart0 { status = "okay"; }; @@ -102,6 +149,12 @@ }; &pinctrl { + backlight { + bl_en: bl-en { + rockchip,pins = <7 2 RK_FUNC_GPIO &pcfg_pull_none>; + }; + }; + buttons { pwrbtn: pwrbtn { rockchip,pins = <0 5 RK_FUNC_GPIO &pcfg_pull_up>;