Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753627AbbGaXHh (ORCPT ); Fri, 31 Jul 2015 19:07:37 -0400 Received: from mail.kmu-office.ch ([178.209.48.109]:46848 "EHLO mail.kmu-office.ch" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753526AbbGaXHa (ORCPT ); Fri, 31 Jul 2015 19:07:30 -0400 From: Stefan Agner To: dwmw2@infradead.org, computersforpeace@gmail.com Cc: sebastian@breakpoint.cc, robh+dt@kernel.org, pawel.moll@arm.com, mark.rutland@arm.com, ijc+devicetree@hellion.org.uk, galak@codeaurora.org, shawn.guo@linaro.org, kernel@pengutronix.de, boris.brezillon@free-electrons.com, marb@ixxat.de, aaron@tastycactus.com, bpringlemeir@gmail.com, linux-mtd@lists.infradead.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, albert.aribaud@3adev.fr, Stefan Agner , Bill Pringlemeir Subject: [PATCH v9 4/5] ARM: dts: vf610twr: add NAND flash controller peripherial Date: Fri, 31 Jul 2015 18:53:00 +0200 Message-Id: <1438361581-2702-5-git-send-email-stefan@agner.ch> X-Mailer: git-send-email 2.4.5 In-Reply-To: <1438361581-2702-1-git-send-email-stefan@agner.ch> References: <1438361581-2702-1-git-send-email-stefan@agner.ch> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2832 Lines: 98 This adds the NAND flash controller (NFC) peripherial. The driver supports the SLC NAND chips found on Freescale's Vybrid Tower System Module. The Micron NAND chip on the module needs 4-bit ECC per 512 byte page. Use 24-bit ECC per 2k page, which is supported by the driver. Signed-off-by: Bill Pringlemeir Signed-off-by: Stefan Agner --- arch/arm/boot/dts/vf610-twr.dts | 40 ++++++++++++++++++++++++++++++++++++++++ arch/arm/boot/dts/vfxxx.dtsi | 8 ++++++++ 2 files changed, 48 insertions(+) diff --git a/arch/arm/boot/dts/vf610-twr.dts b/arch/arm/boot/dts/vf610-twr.dts index 375ab23..2a278a2 100644 --- a/arch/arm/boot/dts/vf610-twr.dts +++ b/arch/arm/boot/dts/vf610-twr.dts @@ -237,6 +237,33 @@ >; }; + pinctrl_nfc: nfcgrp { + fsl,pins = < + VF610_PAD_PTD31__NF_IO15 0x28df + VF610_PAD_PTD30__NF_IO14 0x28df + VF610_PAD_PTD29__NF_IO13 0x28df + VF610_PAD_PTD28__NF_IO12 0x28df + VF610_PAD_PTD27__NF_IO11 0x28df + VF610_PAD_PTD26__NF_IO10 0x28df + VF610_PAD_PTD25__NF_IO9 0x28df + VF610_PAD_PTD24__NF_IO8 0x28df + VF610_PAD_PTD23__NF_IO7 0x28df + VF610_PAD_PTD22__NF_IO6 0x28df + VF610_PAD_PTD21__NF_IO5 0x28df + VF610_PAD_PTD20__NF_IO4 0x28df + VF610_PAD_PTD19__NF_IO3 0x28df + VF610_PAD_PTD18__NF_IO2 0x28df + VF610_PAD_PTD17__NF_IO1 0x28df + VF610_PAD_PTD16__NF_IO0 0x28df + VF610_PAD_PTB24__NF_WE_B 0x28c2 + VF610_PAD_PTB25__NF_CE0_B 0x28c2 + VF610_PAD_PTB27__NF_RE_B 0x28c2 + VF610_PAD_PTC26__NF_RB_B 0x283d + VF610_PAD_PTC27__NF_ALE 0x28c2 + VF610_PAD_PTC28__NF_CLE 0x28c2 + >; + }; + pinctrl_pwm0: pwm0grp { fsl,pins = < VF610_PAD_PTB0__FTM0_CH0 0x1582 @@ -274,6 +301,19 @@ }; }; +&nfc { + assigned-clocks = <&clks VF610_CLK_NFC>; + assigned-clock-rates = <33000000>; + nand-bus-width = <16>; + nand-ecc-mode = "hw"; + nand-ecc-step-size = <2048>; + nand-ecc-strength = <24>; + nand-on-flash-bbt; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_nfc>; + status = "okay"; +}; + &pwm0 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_pwm0>; diff --git a/arch/arm/boot/dts/vfxxx.dtsi b/arch/arm/boot/dts/vfxxx.dtsi index 4aa3351..2f4b04d 100644 --- a/arch/arm/boot/dts/vfxxx.dtsi +++ b/arch/arm/boot/dts/vfxxx.dtsi @@ -520,6 +520,14 @@ status = "disabled"; }; + nfc: nand@400e0000 { + compatible = "fsl,vf610-nfc"; + reg = <0x400e0000 0x4000>; + interrupts = <83 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&clks VF610_CLK_NFC>; + clock-names = "nfc"; + status = "disabled"; + }; }; }; }; -- 2.4.5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/