Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751467AbdFAGKF (ORCPT ); Thu, 1 Jun 2017 02:10:05 -0400 Received: from mailgw01.mediatek.com ([210.61.82.183]:56704 "EHLO mailgw01.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1751289AbdFAGI5 (ORCPT ); Thu, 1 Jun 2017 02:08:57 -0400 From: Erin Lo To: Matthias Brugger CC: , , , , , YT Shen , Weiqing Kong , Erin Lo Subject: [PATCH 2/3] arm: dts: mt2701: Add display bls related nodes for MT2701 Date: Thu, 1 Jun 2017 14:08:43 +0800 Message-ID: <1496297324-21091-3-git-send-email-erin.lo@mediatek.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1496297324-21091-1-git-send-email-erin.lo@mediatek.com> References: <1496297324-21091-1-git-send-email-erin.lo@mediatek.com> MIME-Version: 1.0 Content-Type: text/plain X-MTK: N Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1741 Lines: 73 From: YT Shen This patch adds the device node of display backlight for MT2701 Signed-off-by: Weiqing Kong Signed-off-by: Erin Lo --- arch/arm/boot/dts/mt2701-evb.dts | 29 +++++++++++++++++++++++++++++ arch/arm/boot/dts/mt2701.dtsi | 9 +++++++++ 2 files changed, 38 insertions(+) diff --git a/arch/arm/boot/dts/mt2701-evb.dts b/arch/arm/boot/dts/mt2701-evb.dts index a483798..e49c2b7 100644 --- a/arch/arm/boot/dts/mt2701-evb.dts +++ b/arch/arm/boot/dts/mt2701-evb.dts @@ -22,6 +22,35 @@ memory { reg = <0 0x80000000 0 0x40000000>; }; + + backlight_lcd: backlight_lcd { + compatible = "pwm-backlight"; + pwms = <&bls 0 100000>; + brightness-levels = < + 0 16 32 48 64 80 96 112 + 128 144 160 176 192 208 224 240 + 255 + >; + default-brightness-level = <9>; + pinctrl-names = "default"; + pinctrl-0 = <&pwm_bls_gpio>; + }; +}; + +&bls { + status = "okay"; +}; + +&mmsys { + status = "okay"; +}; + +&pio { + pwm_bls_gpio: pwm_bls_gpio { + pins_cmd_dat { + pinmux = ; + }; + }; }; &auxadc { diff --git a/arch/arm/boot/dts/mt2701.dtsi b/arch/arm/boot/dts/mt2701.dtsi index de88bd7..4f110d5 100644 --- a/arch/arm/boot/dts/mt2701.dtsi +++ b/arch/arm/boot/dts/mt2701.dtsi @@ -366,6 +366,15 @@ #clock-cells = <1>; }; + bls: bls@1400a000 { + compatible = "mediatek,mt2701-disp-pwm"; + reg = <0 0x1400a000 0 0x1000>; + #pwm-cells = <2>; + clocks = <&mmsys CLK_MM_MDP_BLS_26M>, <&mmsys CLK_MM_DISP_BLS>; + clock-names = "main", "mm"; + status = "disabled"; + }; + larb0: larb@14010000 { compatible = "mediatek,mt2701-smi-larb"; reg = <0 0x14010000 0 0x1000>; -- 1.9.1