From patchwork Tue May 20 12:31:09 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Florian Vaussard X-Patchwork-Id: 4209181 Return-Path: X-Original-To: patchwork-linux-omap@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 D23729F23C for ; Tue, 20 May 2014 12:32:07 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id D7B72201C7 for ; Tue, 20 May 2014 12:32:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id DF5FD20251 for ; Tue, 20 May 2014 12:32:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753480AbaETMb6 (ORCPT ); Tue, 20 May 2014 08:31:58 -0400 Received: from smtp0.epfl.ch ([128.178.224.218]:33036 "EHLO smtp0.epfl.ch" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753474AbaETMb4 (ORCPT ); Tue, 20 May 2014 08:31:56 -0400 Received: (qmail 22129 invoked by uid 107); 20 May 2014 12:31:53 -0000 X-Virus-Scanned: ClamAV Received: from lsro1pc340.epfl.ch (HELO lsro1pc340.epfl.ch) (128.178.145.154) (TLS, ECDHE-RSA-AES256-SHA cipher) (authenticated) by smtp0.epfl.ch (AngelmatoPhylax SMTP proxy) with ESMTPSA; Tue, 20 May 2014 14:31:53 +0200 From: Florian Vaussard To: Tony Lindgren Cc: Tomi Valkeinen , linux-omap@vger.kernel.org, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org Subject: [PATCH v2 3/3] ARM: dts: overo: Add support for 3.5'' LCD output Date: Tue, 20 May 2014 14:31:09 +0200 Message-Id: <1400589069-21572-4-git-send-email-florian.vaussard@epfl.ch> X-Mailer: git-send-email 1.8.3.2 In-Reply-To: <1400589069-21572-1-git-send-email-florian.vaussard@epfl.ch> References: <1400589069-21572-1-git-send-email-florian.vaussard@epfl.ch> Sender: linux-omap-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org X-Spam-Status: No, score=-7.5 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, 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 Alto35 expansion board has a ZIF connector for a 3.5'' LCD. Add a common include file for this configuration, and use it on Alto35. Signed-off-by: Florian Vaussard --- arch/arm/boot/dts/omap3-overo-alto35-common.dtsi | 1 + arch/arm/boot/dts/omap3-overo-common-lcd35.dtsi | 144 +++++++++++++++++++++++ 2 files changed, 145 insertions(+) create mode 100644 arch/arm/boot/dts/omap3-overo-common-lcd35.dtsi diff --git a/arch/arm/boot/dts/omap3-overo-alto35-common.dtsi b/arch/arm/boot/dts/omap3-overo-alto35-common.dtsi index 19d6486..7aae8fb 100644 --- a/arch/arm/boot/dts/omap3-overo-alto35-common.dtsi +++ b/arch/arm/boot/dts/omap3-overo-alto35-common.dtsi @@ -11,6 +11,7 @@ */ #include "omap3-overo-common-peripherals.dtsi" +#include "omap3-overo-common-lcd35.dtsi" #include diff --git a/arch/arm/boot/dts/omap3-overo-common-lcd35.dtsi b/arch/arm/boot/dts/omap3-overo-common-lcd35.dtsi new file mode 100644 index 0000000..218df36 --- /dev/null +++ b/arch/arm/boot/dts/omap3-overo-common-lcd35.dtsi @@ -0,0 +1,144 @@ +/* + * Copyright (C) 2014 Florian Vaussard, EPFL Mobots group + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +/* + * 4.3'' LCD panel output for some Gumstix Overo boards (Gallop43, Chestnut43) + */ + +&omap3_pmx_core { + dss_dpi_pins: pinmux_dss_dpi_pins { + pinctrl-single,pins = < + OMAP3_CORE1_IOPAD(0x20d4, PIN_OUTPUT | MUX_MODE0) /* dss_pclk.dss_pclk */ + OMAP3_CORE1_IOPAD(0x20d6, PIN_OUTPUT | MUX_MODE0) /* dss_hsync.dss_hsync */ + OMAP3_CORE1_IOPAD(0x20d8, PIN_OUTPUT | MUX_MODE0) /* dss_vsync.dss_vsync */ + OMAP3_CORE1_IOPAD(0x20da, PIN_OUTPUT | MUX_MODE0) /* dss_acbias.dss_acbias */ + OMAP3_CORE1_IOPAD(0x20dc, PIN_OUTPUT | MUX_MODE0) /* dss_data0.dss_data0 */ + OMAP3_CORE1_IOPAD(0x20de, PIN_OUTPUT | MUX_MODE0) /* dss_data1.dss_data1 */ + OMAP3_CORE1_IOPAD(0x20e0, PIN_OUTPUT | MUX_MODE0) /* dss_data2.dss_data2 */ + OMAP3_CORE1_IOPAD(0x20e2, PIN_OUTPUT | MUX_MODE0) /* dss_data3.dss_data3 */ + OMAP3_CORE1_IOPAD(0x20e4, PIN_OUTPUT | MUX_MODE0) /* dss_data4.dss_data4 */ + OMAP3_CORE1_IOPAD(0x20e6, PIN_OUTPUT | MUX_MODE0) /* dss_data5.dss_data5 */ + OMAP3_CORE1_IOPAD(0x20e8, PIN_OUTPUT | MUX_MODE0) /* dss_data6.dss_data6 */ + OMAP3_CORE1_IOPAD(0x20ea, PIN_OUTPUT | MUX_MODE0) /* dss_data7.dss_data7 */ + OMAP3_CORE1_IOPAD(0x20ec, PIN_OUTPUT | MUX_MODE0) /* dss_data8.dss_data8 */ + OMAP3_CORE1_IOPAD(0x20ee, PIN_OUTPUT | MUX_MODE0) /* dss_data9.dss_data9 */ + OMAP3_CORE1_IOPAD(0x20f0, PIN_OUTPUT | MUX_MODE0) /* dss_data10.dss_data10 */ + OMAP3_CORE1_IOPAD(0x20f2, PIN_OUTPUT | MUX_MODE0) /* dss_data11.dss_data11 */ + OMAP3_CORE1_IOPAD(0x20f4, PIN_OUTPUT | MUX_MODE0) /* dss_data12.dss_data12 */ + OMAP3_CORE1_IOPAD(0x20f6, PIN_OUTPUT | MUX_MODE0) /* dss_data13.dss_data13 */ + OMAP3_CORE1_IOPAD(0x20f8, PIN_OUTPUT | MUX_MODE0) /* dss_data14.dss_data14 */ + OMAP3_CORE1_IOPAD(0x20fa, PIN_OUTPUT | MUX_MODE0) /* dss_data15.dss_data15 */ + OMAP3_CORE1_IOPAD(0x20fc, PIN_OUTPUT | MUX_MODE0) /* dss_data16.dss_data16 */ + OMAP3_CORE1_IOPAD(0x20fe, PIN_OUTPUT | MUX_MODE0) /* dss_data17.dss_data17 */ + OMAP3_CORE1_IOPAD(0x2100, PIN_OUTPUT | MUX_MODE0) /* dss_data18.dss_data18 */ + OMAP3_CORE1_IOPAD(0x2102, PIN_OUTPUT | MUX_MODE0) /* dss_data19.dss_data19 */ + OMAP3_CORE1_IOPAD(0x2104, PIN_OUTPUT | MUX_MODE0) /* dss_data20.dss_data20 */ + OMAP3_CORE1_IOPAD(0x2106, PIN_OUTPUT | MUX_MODE0) /* dss_data21.dss_data21 */ + OMAP3_CORE1_IOPAD(0x2108, PIN_OUTPUT | MUX_MODE0) /* dss_data22.dss_data22 */ + OMAP3_CORE1_IOPAD(0x210a, PIN_OUTPUT | MUX_MODE0) /* dss_data23.dss_data23 */ + OMAP3_CORE1_IOPAD(0x2174, PIN_OUTPUT | MUX_MODE4) /* uart2_cts.gpio_144 */ + OMAP3_CORE1_IOPAD(0x2176, PIN_OUTPUT | MUX_MODE4) /* uart2_rts.gpio_145 */ + >; + }; + + mcspi1_pins: pinmux_mcspi1_pins { + pinctrl-single,pins = < + OMAP3_CORE1_IOPAD(0x21c8, PIN_INPUT | MUX_MODE0) /* mcspi1_clk.mcspi1_clk */ + OMAP3_CORE1_IOPAD(0x21ca, PIN_INPUT | MUX_MODE0) /* mcspi1_simo.mcspi1_simo */ + OMAP3_CORE1_IOPAD(0x21cc, PIN_INPUT | MUX_MODE0) /* mcspi1_somi.mcspi1_somi */ + OMAP3_CORE1_IOPAD(0x21ce, PIN_INPUT | MUX_MODE0) /* mcspi1_cs0.mcspi1_cs0 */ + >; + }; + + ads7846_pins: pinmux_ads7846_pins { + pinctrl-single,pins = < + OMAP3_CORE1_IOPAD(0x2138, PIN_INPUT_PULLDOWN | MUX_MODE4) /* csi2_dx1.gpio_114 */ + >; + }; +}; + +/* Needed to power the DPI pins */ +&vpll2 { + regulator-always-on; +}; + +&dss { + status = "ok"; + + pinctrl-names = "default"; + pinctrl-0 = <&dss_dpi_pins>; + + port { + dpi_out: endpoint { + remote-endpoint = <&lcd_in>; + data-lines = <24>; + }; + }; +}; + +/ { + aliases { + display0 = &lcd0; + }; + + ads7846reg: ads7846-reg { + compatible = "regulator-fixed"; + regulator-name = "ads7846-reg"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + }; +}; + +&mcspi1 { + pinctrl-names = "default"; + pinctrl-0 = <&mcspi1_pins>; + + lcd0: display@0 { + compatible = "lgphilips,lb035q02"; + label = "lcd"; + + reg = <1>; /* CS1 */ + spi-max-frequency = <10000000>; + spi-cpol; + spi-cpha; + + enable-gpios = <&gpio5 16 GPIO_ACTIVE_HIGH /* gpio_144: enable */ + &gpio5 17 GPIO_ACTIVE_HIGH>; /* gpio_145: brightness */ + + port { + lcd_in: endpoint { + remote-endpoint = <&dpi_out>; + }; + }; + }; + + /* touch controller */ + ads7846@0 { + pinctrl-names = "default"; + pinctrl-0 = <&ads7846_pins>; + + compatible = "ti,ads7846"; + vcc-supply = <&ads7846reg>; + + reg = <0>; /* CS0 */ + spi-max-frequency = <1500000>; + + interrupt-parent = <&gpio4>; + interrupts = <18 0>; /* gpio_114 */ + pendown-gpio = <&gpio4 18 0>; + + ti,x-min = /bits/ 16 <0x0>; + ti,x-max = /bits/ 16 <0x0fff>; + ti,y-min = /bits/ 16 <0x0>; + ti,y-max = /bits/ 16 <0x0fff>; + ti,x-plate-ohms = /bits/ 16 <180>; + ti,pressure-max = /bits/ 16 <255>; + + linux,wakeup; + }; +};