From patchwork Mon Feb 9 14:48:04 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Rostislav Lisovy X-Patchwork-Id: 5801451 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 [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 78DF49F336 for ; Mon, 9 Feb 2015 14:48:55 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 5547E2012D for ; Mon, 9 Feb 2015 14:48:54 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 1EB7F20117 for ; Mon, 9 Feb 2015 14:48:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760736AbbBIOsb (ORCPT ); Mon, 9 Feb 2015 09:48:31 -0500 Received: from mail-wg0-f45.google.com ([74.125.82.45]:61226 "EHLO mail-wg0-f45.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1760689AbbBIOs3 (ORCPT ); Mon, 9 Feb 2015 09:48:29 -0500 Received: by mail-wg0-f45.google.com with SMTP id x12so27175994wgg.4; Mon, 09 Feb 2015 06:48:28 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=E/QVF3udGQWAulULT3ASk7Ys7TaqxPkid3wCujknaXM=; b=G+gxvkTHsJT5td1PtMtZi7rOP4PLwu3IGfkJU35Tvp/dKzxHJPxoCHtWd4X9zpUawD 0m7xgyNvzIqWEKjrLmyGl6E+KP6vuehXESxYSAFrrr3jSPWxRRxjx2V7ncqPkra0bQnL 1IZz+qR9PQ5mg3yVAfREaCZKVVq7tXqAqbKOBABqvChg+zILLc0M1UE7/FdgkPCqsIws 25jIyTY3sArw0FRcnf4fsF1KxOTuYF0NyWu+7ZFw605XgjBgY5DyYCXPuEFglf/1tdac Ry101qT7FxAd4qREUTqUBgwNhRnQmwlFadFeBhh+wSSz0rSdrCzU8lpHJfNyu46FMi7x Fn6A== X-Received: by 10.195.12.202 with SMTP id es10mr14554243wjd.90.1423493307944; Mon, 09 Feb 2015 06:48:27 -0800 (PST) Received: from babo.jablotron.certicon.cz (c-006.certicon.cz. [90.183.112.6]) by mx.google.com with ESMTPSA id k1sm16679883wjn.9.2015.02.09.06.48.25 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Mon, 09 Feb 2015 06:48:27 -0800 (PST) From: Rostislav Lisovy X-Google-Original-From: Rostislav Lisovy To: linux-omap@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Cc: Rob Herring , Benoit Cousson , Tony Lindgren , Pawel Moll , Mark Rutland , Ian Campbell , Kumar Gala , Rostislav Lisovy Subject: [PATCH 2/3] ARM: dts: am335x: Add DTS for ChiliSOM module Date: Mon, 9 Feb 2015 15:48:04 +0100 Message-Id: <1423493285-4231-2-git-send-email-lisovy@jablotron.cz> X-Mailer: git-send-email 2.1.0 In-Reply-To: <1423493285-4231-1-git-send-email-lisovy@jablotron.cz> References: <1423493285-4231-1-git-send-email-lisovy@jablotron.cz> Sender: linux-omap-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org X-Spam-Status: No, score=-6.8 required=5.0 tests=BAYES_00, DKIM_ADSP_CUSTOM_MED, DKIM_SIGNED, FREEMAIL_FROM, RCVD_IN_DNSWL_HI, T_DKIM_INVALID, T_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 Since this is a SOM (System on Module) that will be part of another embedded board (and can't really exist on its own) define it as a "dtsi" that will be included in the Device tree describing the whole system later on. Hardware specification: * AM335x SoC * up to 512 MB RAM * NAND Flash (8x interface, cs0) * UART0 * PMIC * I2C0 (for PMIC) * 1x Ethernet MAC Signed-off-by: Rostislav Lisovy --- arch/arm/boot/dts/am335x-chilisom.dtsi | 239 +++++++++++++++++++++++++++++++++ 1 file changed, 239 insertions(+) create mode 100644 arch/arm/boot/dts/am335x-chilisom.dtsi diff --git a/arch/arm/boot/dts/am335x-chilisom.dtsi b/arch/arm/boot/dts/am335x-chilisom.dtsi new file mode 100644 index 0000000..54c0c10 --- /dev/null +++ b/arch/arm/boot/dts/am335x-chilisom.dtsi @@ -0,0 +1,239 @@ +/* + * Copyright (C) 2015 Jablotron s.r.o. -- http://www.jablotron.com/ + * Author: Rostislav Lisovy + * + * 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. + */ +#include "am33xx.dtsi" + +/ { + model = "Grinn AM335x ChiliSOM"; + compatible = "grinn,am335x-chilisom", "ti,am33xx"; + + cpus { + cpu@0 { + cpu0-supply = <&dcdc2_reg>; + }; + }; + + memory { + device_type = "memory"; + reg = <0x80000000 0x20000000>; /* 512 MB */ + }; +}; + +&am33xx_pinmux { + pinctrl-names = "default"; + + i2c0_pins: pinmux_i2c0_pins { + pinctrl-single,pins = < + 0x188 (PIN_INPUT_PULLUP | MUX_MODE0) /* i2c0_sda.i2c0_sda */ + 0x18c (PIN_INPUT_PULLUP | MUX_MODE0) /* i2c0_scl.i2c0_scl */ + >; + }; + + uart0_pins: pinmux_uart0_pins { + pinctrl-single,pins = < + 0x170 (PIN_INPUT_PULLUP | MUX_MODE0) /* uart0_rxd.uart0_rxd */ + 0x174 (PIN_OUTPUT_PULLDOWN | MUX_MODE0) /* uart0_txd.uart0_txd */ + >; + }; + + cpsw_default: cpsw_default { + pinctrl-single,pins = < + /* Slave 1 */ + 0x10c (PIN_INPUT_PULLDOWN | MUX_MODE1) /* mii1_crs.rmii1_crs */ + 0x110 (PIN_INPUT_PULLUP | MUX_MODE1) /* mii1_rxerr.rmii1_rxerr */ + 0x114 (PIN_OUTPUT_PULLDOWN | MUX_MODE1) /* mii1_txen.rmii1_txen */ + 0x124 (PIN_OUTPUT_PULLDOWN | MUX_MODE1) /* mii1_txd1.rmii1_txd1 */ + 0x128 (PIN_OUTPUT_PULLDOWN | MUX_MODE1) /* mii1_txd0.rmii1_txd0 */ + 0x13c (PIN_INPUT_PULLUP | MUX_MODE1) /* mii1_rxd1.rmii1_rxd1 */ + 0x140 (PIN_INPUT_PULLUP | MUX_MODE1) /* mii1_rxd0.rmii1_rxd0 */ + 0x144 (PIN_INPUT_PULLDOWN | MUX_MODE0) /* rmii1_ref_clk.rmii_ref_clk */ + >; + }; + + cpsw_sleep: cpsw_sleep { + pinctrl-single,pins = < + /* Slave 1 reset value */ + 0x10c (PIN_INPUT_PULLDOWN | MUX_MODE7) + 0x110 (PIN_INPUT_PULLDOWN | MUX_MODE7) + 0x114 (PIN_INPUT_PULLDOWN | MUX_MODE7) + 0x118 (PIN_INPUT_PULLDOWN | MUX_MODE7) + 0x124 (PIN_INPUT_PULLDOWN | MUX_MODE7) + 0x128 (PIN_INPUT_PULLDOWN | MUX_MODE7) + 0x13c (PIN_INPUT_PULLDOWN | MUX_MODE7) + 0x140 (PIN_INPUT_PULLDOWN | MUX_MODE7) + 0x144 (PIN_INPUT_PULLDOWN | MUX_MODE7) + >; + }; + + davinci_mdio_default: davinci_mdio_default { + pinctrl-single,pins = < + /* mdio_data.mdio_data */ + 0x148 (PIN_INPUT_PULLUP | SLEWCTRL_FAST | MUX_MODE0) + /* mdio_clk.mdio_clk */ + 0x14c (PIN_OUTPUT_PULLUP | MUX_MODE0) + >; + }; + + davinci_mdio_sleep: davinci_mdio_sleep { + pinctrl-single,pins = < + /* MDIO reset value */ + 0x148 (PIN_INPUT_PULLDOWN | MUX_MODE7) + 0x14c (PIN_INPUT_PULLDOWN | MUX_MODE7) + >; + }; + + nandflash_pins: nandflash_pins { + pinctrl-single,pins = < + 0x00 (PIN_INPUT_PULLDOWN | MUX_MODE0) /* gpmc_ad0.gpmc_ad0 */ + 0x04 (PIN_INPUT_PULLDOWN | MUX_MODE0) /* gpmc_ad1.gpmc_ad1 */ + 0x08 (PIN_INPUT_PULLDOWN | MUX_MODE0) /* gpmc_ad2.gpmc_ad2 */ + 0x0c (PIN_INPUT_PULLDOWN | MUX_MODE0) /* gpmc_ad3.gpmc_ad3 */ + 0x10 (PIN_INPUT_PULLDOWN | MUX_MODE0) /* gpmc_ad4.gpmc_ad4 */ + 0x14 (PIN_INPUT_PULLDOWN | MUX_MODE0) /* gpmc_ad5.gpmc_ad5 */ + 0x18 (PIN_INPUT_PULLDOWN | MUX_MODE0) /* gpmc_ad6.gpmc_ad6 */ + 0x1c (PIN_INPUT_PULLDOWN | MUX_MODE0) /* gpmc_ad7.gpmc_ad7 */ + + 0x70 (PIN_INPUT_PULLUP | MUX_MODE0) /* gpmc_wait0.gpmc_wait0 */ + 0x7c (PIN_OUTPUT_PULLUP | MUX_MODE0) /* gpmc_csn0.gpmc_csn0 */ + 0x90 (PIN_OUTPUT_PULLUP | MUX_MODE0) /* gpmc_advn_ale.gpmc_advn_ale */ + 0x94 (PIN_OUTPUT_PULLUP | MUX_MODE0) /* gpmc_oen_ren.gpmc_oen_ren */ + 0x98 (PIN_OUTPUT_PULLUP | MUX_MODE0) /* gpmc_wen.gpmc_wen */ + 0x9c (PIN_OUTPUT_PULLUP | MUX_MODE0) /* gpmc_be0n_cle.gpmc_be0n_cle */ + >; + }; +}; + +&uart0 { + pinctrl-names = "default"; + pinctrl-0 = <&uart0_pins>; + + status = "okay"; +}; + +&i2c0 { + pinctrl-names = "default"; + pinctrl-0 = <&i2c0_pins>; + + status = "okay"; + clock-frequency = <400000>; + + tps: tps@24 { + reg = <0x24>; + }; + +}; + +/include/ "tps65217.dtsi" + +&tps { + regulators { + dcdc1_reg: regulator@0 { + regulator-name = "vdds_dpr"; + regulator-always-on; + }; + + dcdc2_reg: regulator@1 { + /* VDD_MPU voltage limits 0.95V - 1.26V with +/-4% tolerance */ + regulator-name = "vdd_mpu"; + regulator-min-microvolt = <925000>; + regulator-max-microvolt = <1325000>; + regulator-boot-on; + regulator-always-on; + }; + + dcdc3_reg: regulator@2 { + /* VDD_CORE voltage limits 0.95V - 1.1V with +/-4% tolerance */ + regulator-name = "vdd_core"; + regulator-min-microvolt = <925000>; + regulator-max-microvolt = <1150000>; + regulator-boot-on; + regulator-always-on; + }; + + ldo1_reg: regulator@3 { + regulator-name = "vio,vrtc,vdds"; + regulator-boot-on; + regulator-always-on; + }; + + ldo2_reg: regulator@4 { + regulator-name = "vdd_3v3aux"; + regulator-boot-on; + regulator-always-on; + }; + + ldo3_reg: regulator@5 { + regulator-name = "vdd_1v8"; + regulator-boot-on; + regulator-always-on; + }; + + ldo4_reg: regulator@6 { + regulator-name = "vdd_3v3d"; + regulator-boot-on; + regulator-always-on; + }; + }; +}; + +/* Ethernet MAC */ +&mac { + slaves = <1>; + pinctrl-names = "default", "sleep"; + pinctrl-0 = <&cpsw_default>; + pinctrl-1 = <&cpsw_sleep>; + status = "okay"; +}; + +&davinci_mdio { + pinctrl-names = "default", "sleep"; + pinctrl-0 = <&davinci_mdio_default>; + pinctrl-1 = <&davinci_mdio_sleep>; + status = "okay"; +}; + +/* NAND Flash */ +&elm { + status = "okay"; +}; + +&gpmc { + status = "okay"; + pinctrl-names = "default"; + pinctrl-0 = <&nandflash_pins>; + ranges = <0 0 0x08000000 0x01000000>; /* CS0 0 @addr 0x08000000, size 0x01000000 */ + nand@0,0 { + reg = <0 0 0x01000000>; /* CS0 */ + ti,nand-ecc-opt = "bch8"; + ti,elm-id = <&elm>; + nand-bus-width = <8>; + gpmc,device-width = <1>; + gpmc,sync-clk-ps = <0>; + gpmc,cs-on-ns = <0>; + gpmc,cs-rd-off-ns = <44>; + gpmc,cs-wr-off-ns = <44>; + gpmc,adv-on-ns = <6>; + gpmc,adv-rd-off-ns = <34>; + gpmc,adv-wr-off-ns = <44>; + gpmc,we-on-ns = <0>; + gpmc,we-off-ns = <40>; + gpmc,oe-on-ns = <0>; + gpmc,oe-off-ns = <54>; + gpmc,access-ns = <64>; + gpmc,rd-cycle-ns = <82>; + gpmc,wr-cycle-ns = <82>; + gpmc,wait-on-read = "true"; + gpmc,wait-on-write = "true"; + gpmc,bus-turnaround-ns = <0>; + gpmc,cycle2cycle-delay-ns = <0>; + gpmc,clk-activation-ns = <0>; + gpmc,wait-monitoring-ns = <0>; + gpmc,wr-access-ns = <40>; + gpmc,wr-data-mux-bus-ns = <0>; + }; +};