From patchwork Fri Jan 24 12:49:45 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Geert Uytterhoeven X-Patchwork-Id: 3534211 Return-Path: X-Original-To: patchwork-linux-spi@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 07A6DC02DC for ; Fri, 24 Jan 2014 12:53:00 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id B035E2011E for ; Fri, 24 Jan 2014 12:52:58 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 966DC201BB for ; Fri, 24 Jan 2014 12:52:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752466AbaAXMwn (ORCPT ); Fri, 24 Jan 2014 07:52:43 -0500 Received: from andre.telenet-ops.be ([195.130.132.53]:39163 "EHLO andre.telenet-ops.be" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752680AbaAXMuJ (ORCPT ); Fri, 24 Jan 2014 07:50:09 -0500 Received: from ayla.of.borg ([84.193.72.141]) by andre.telenet-ops.be with bizsmtp id Hoq61n00332ts5g01oq6xm; Fri, 24 Jan 2014 13:50:06 +0100 Received: from geert by ayla.of.borg with local (Exim 4.76) (envelope-from ) id 1W6gCz-0002QC-QR; Fri, 24 Jan 2014 13:50:05 +0100 From: Geert Uytterhoeven To: Simon Horman , Magnus Damm Cc: linux-sh@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-spi@vger.kernel.org, linux-kernel@vger.kernel.org, Geert Uytterhoeven Subject: [PATCH v3 09/15] ARM: shmobile: koelsch legacy: Add QSPI support Date: Fri, 24 Jan 2014 13:49:45 +0100 Message-Id: <1390567791-8988-10-git-send-email-geert@linux-m68k.org> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1390567791-8988-1-git-send-email-geert@linux-m68k.org> References: <1390567791-8988-1-git-send-email-geert@linux-m68k.org> Sender: linux-spi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-spi@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 From: Geert Uytterhoeven Enable support for the Spansion s25fl512s SPI FLASH on the Koelsch board: - Add QSPI platform device, resources, platform data, and pinmux, - Add FLASH data and MTD partitions. Signed-off-by: Geert Uytterhoeven Acked-by: Laurent Pinchart --- v3: - Switch to named IRQs v2: - Split in 2 groups (qspi_ctrl/qspi_data4) arch/arm/mach-shmobile/board-koelsch.c | 64 ++++++++++++++++++++++++++++++++ 1 file changed, 64 insertions(+) diff --git a/arch/arm/mach-shmobile/board-koelsch.c b/arch/arm/mach-shmobile/board-koelsch.c index 2ab5c75ba2c2..56020d9fa841 100644 --- a/arch/arm/mach-shmobile/board-koelsch.c +++ b/arch/arm/mach-shmobile/board-koelsch.c @@ -25,12 +25,17 @@ #include #include #include +#include +#include #include #include #include #include #include #include +#include +#include +#include #include #include #include @@ -148,6 +153,55 @@ static const struct gpio_keys_platform_data koelsch_keys_pdata __initconst = { .nbuttons = ARRAY_SIZE(gpio_buttons), }; +/* QSPI */ +static const struct resource qspi_resources[] __initconst = { + DEFINE_RES_MEM(0xe6b10000, 0x1000), + DEFINE_RES_IRQ_NAMED(gic_spi(184), "mux"), +}; + +static const struct rspi_plat_data qspi_pdata __initconst = { + .num_chipselect = 1, +}; + +/* SPI Flash memory (Spansion S25FL512SAGMFIG11 64 MiB) */ +static struct mtd_partition spi_flash_part[] = { + { + .name = "loader", + .offset = 0x00000000, + .size = 512 * 1024, + .mask_flags = MTD_WRITEABLE, + }, + { + .name = "bootenv", + .offset = MTDPART_OFS_APPEND, + .size = 512 * 1024, + .mask_flags = MTD_WRITEABLE, + }, + { + .name = "data", + .offset = MTDPART_OFS_APPEND, + .size = MTDPART_SIZ_FULL, + }, +}; + +static const struct flash_platform_data spi_flash_data = { + .name = "m25p80", + .parts = spi_flash_part, + .nr_parts = ARRAY_SIZE(spi_flash_part), + .type = "s25fl512s", +}; + +static const struct spi_board_info spi_info[] __initconst = { + { + .modalias = "m25p80", + .platform_data = &spi_flash_data, + .mode = SPI_MODE_0, + .max_speed_hz = 30000000, + .bus_num = 0, + .chip_select = 0, + }, +}; + /* SATA0 */ static const struct resource sata0_resources[] __initconst = { DEFINE_RES_MEM(0xee300000, 0x2000), @@ -180,6 +234,11 @@ static const struct pinctrl_map koelsch_pinctrl_map[] = { "eth_rmii", "eth"), PIN_MAP_MUX_GROUP_DEFAULT("r8a7791-ether", "pfc-r8a7791", "intc_irq0", "intc"), + /* QSPI */ + PIN_MAP_MUX_GROUP_DEFAULT("qspi.0", "pfc-r8a7791", + "qspi_ctrl", "qspi"), + PIN_MAP_MUX_GROUP_DEFAULT("qspi.0", "pfc-r8a7791", + "qspi_data4", "qspi"), /* SCIF0 (CN19: DEBUG SERIAL0) */ PIN_MAP_MUX_GROUP_DEFAULT("sh-sci.6", "pfc-r8a7791", "scif0_data_d", "scif0"), @@ -205,6 +264,11 @@ static void __init koelsch_add_standard_devices(void) platform_device_register_data(&platform_bus, "gpio-keys", -1, &koelsch_keys_pdata, sizeof(koelsch_keys_pdata)); + platform_device_register_resndata(&platform_bus, "qspi", 0, + qspi_resources, + ARRAY_SIZE(qspi_resources), + &qspi_pdata, sizeof(qspi_pdata)); + spi_register_board_info(spi_info, ARRAY_SIZE(spi_info)); koelsch_add_du_device();