Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757491Ab3EBJpM (ORCPT ); Thu, 2 May 2013 05:45:12 -0400 Received: from arroyo.ext.ti.com ([192.94.94.40]:37406 "EHLO arroyo.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751703Ab3EBJpI (ORCPT ); Thu, 2 May 2013 05:45:08 -0400 From: "Gupta, Pekon" To: , , , CC: Philip Avinash , , , , , , , , , , "Gupta, Pekon" Subject: [PATCH v3, 3/3] ARM: dts: AM33XX: Add NAND flash device tree data to am335x-evm Date: Thu, 2 May 2013 15:14:28 +0530 Message-ID: <1367487868-14767-1-git-send-email-pekon@ti.com> X-Mailer: git-send-email 1.8.1 MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3697 Lines: 135 From: Philip Avinash NAND flash connected in am335x-evm on GPMC controller. This patch adds device tree node in am3355-evm with GPMC contoller timing for NAND flash interface, NAND partition table, ECC scheme, elm handle id. Signed-off-by: Philip Avinash Signed-off-by: Gupta, Pekon --- Changes in v3: - moved GPMC pin-mux config to nand node arch/arm/boot/dts/am335x-evm.dts | 95 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 95 insertions(+) diff --git a/arch/arm/boot/dts/am335x-evm.dts b/arch/arm/boot/dts/am335x-evm.dts index d649644..0b8f161 100644 --- a/arch/arm/boot/dts/am335x-evm.dts +++ b/arch/arm/boot/dts/am335x-evm.dts @@ -44,6 +44,26 @@ 0x154 0x27 /* spi0_d0.gpio0_3, INPUT | MODE7 */ >; }; + + nandflash_pins_s0: nandflash_pins_s0 { + pinctrl-single,pins = < + 0x0 0x30 /* gpmc_ad0.gpmc_ad0, INPUT | PULLUP | MODE0 */ + 0x4 0x30 /* gpmc_ad1.gpmc_ad1, INPUT | PULLUP | MODE0 */ + 0x8 0x30 /* gpmc_ad2.gpmc_ad2, INPUT | PULLUP | MODE0 */ + 0xc 0x30 /* gpmc_ad3.gpmc_ad3, INPUT | PULLUP | MODE0 */ + 0x10 0x30 /* gpmc_ad4.gpmc_ad4, INPUT | PULLUP | MODE0 */ + 0x14 0x30 /* gpmc_ad5.gpmc_ad5, INPUT | PULLUP | MODE0 */ + 0x18 0x30 /* gpmc_ad6.gpmc_ad6, INPUT | PULLUP | MODE0 */ + 0x1c 0x30 /* gpmc_ad7.gpmc_ad7, INPUT | PULLUP | MODE0 */ + 0x70 0x30 /* gpmc_wait0.gpmc_wait0, INPUT | PULLUP | MODE0 */ + 0x74 0x37 /* gpmc_wpn.gpio0_30, INPUT | PULLUP | MODE7 */ + 0x7c 0x8 /* gpmc_csn0.gpmc_csn0, PULL DISA */ + 0x90 0x8 /* gpmc_advn_ale.gpmc_advn_ale, PULL DISA */ + 0x94 0x8 /* gpmc_oen_ren.gpmc_oen_ren, PULL DISA */ + 0x98 0x8 /* gpmc_wen.gpmc_wen, PULL DISA */ + 0x9c 0x8 /* gpmc_be0n_cle.gpmc_be0n_cle, PULL DISA */ + >; + }; }; ocp { @@ -102,6 +122,82 @@ reg = <0x48>; }; }; + + elm: elm@48080000 { + status = "okay"; + }; + + gpmc: gpmc@50000000 { + status = "okay"; + pinctrl-names = "default"; + pinctrl-0 = <&nandflash_pins_s0>; + ranges = <0 0 0x08000000 0x10000000>; /* CS0: NAND */ + nand@0,0 { + reg = <0 0 0>; /* CS0, offset 0 */ + nand-bus-width = <8>; + ti,nand-ecc-opt = "bch8"; + + gpmc,sync-clk = <0>; + gpmc,cs-on = <0>; + gpmc,cs-rd-off = <44>; + gpmc,cs-wr-off = <44>; + gpmc,adv-on = <6>; + gpmc,adv-rd-off = <34>; + gpmc,adv-wr-off = <44>; + gpmc,we-off = <40>; + gpmc,oe-off = <54>; + gpmc,access = <64>; + gpmc,rd-cycle = <82>; + gpmc,wr-cycle = <82>; + gpmc,wr-access = <40>; + gpmc,wr-data-mux-bus = <0>; + + #address-cells = <1>; + #size-cells = <1>; + elm_id = <&elm>; + + /* MTD partition table */ + partition@0 { + label = "SPL1"; + reg = <0x00000000 0x000020000>; + }; + + partition@1 { + label = "SPL2"; + reg = <0x00020000 0x00020000>; + }; + + partition@2 { + label = "SPL3"; + reg = <0x00040000 0x00020000>; + }; + + partition@3 { + label = "SPL4"; + reg = <0x00060000 0x00020000>; + }; + + partition@4 { + label = "U-boot"; + reg = <0x00080000 0x001e0000>; + }; + + partition@5 { + label = "environment"; + reg = <0x00260000 0x00020000>; + }; + + partition@6 { + label = "Kernel"; + reg = <0x00280000 0x00500000>; + }; + + partition@7 { + label = "File-System"; + reg = <0x00780000 0x0F880000>; + }; + }; + }; }; vbat: fixedregulator@0 { -- 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/