Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760078AbZFTBTi (ORCPT ); Fri, 19 Jun 2009 21:19:38 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1759238AbZFTBSD (ORCPT ); Fri, 19 Jun 2009 21:18:03 -0400 Received: from smtp107.biz.mail.mud.yahoo.com ([68.142.200.255]:39101 "HELO smtp107.biz.mail.mud.yahoo.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1759358AbZFTBR5 (ORCPT ); Fri, 19 Jun 2009 21:17:57 -0400 X-Yahoo-SMTP: Y9aU0H6swBAqsiryRZEA7xtDWlgllPfq7He2xMk- X-YMail-OSG: x2F39kkVM1nTprTA5oQ6AAi02p5ZJg4LqIn0l4SA_mYuyZfcR46Pc3GpjY4SfBnz3hpios3vWoOXrbBDWPHyt6CqIDxMdI7DLaTmgg0GyzWJO0eMPvKk1TGanrXPH6SyxUyjk6Fsd3J1v1MfUwZKG7VCehQrqxwWQm9D9anhnS7g2wkR0tP.ipICUxMQVXfATRUNiLBnVbGkAj7wnYryvIM.4osZH2r2GSQ2HbBuyOpDz4HLbNZesgytFde5SDyKxcBALPMWp8o6yq5RssRp940LWLjfNjzqS5Rr6Rb38tqqpa.Yn3apxZIu23gM_lU_Wwgi95Dgfcr4jbvrh4tOV6i0ToNyydzH6ZTBIhQEbsp7JCsg_rJFico- X-Yahoo-Newman-Property: ymail-3 From: sfking@fdwdc.com To: linux-kernel@vger.kernel.org Cc: uclinux-dev@uclinux.org, linux-m68k@vger.kernel.org, gerg@snapgear.com, Steven King Subject: [PATCH 06/13] generic GPIO support for the Freescale Coldfire 5249. Date: Fri, 19 Jun 2009 18:11:05 -0700 Message-Id: <1245460272-4329-7-git-send-email-sfking@fdwdc.com> X-Mailer: git-send-email 1.5.6.5 In-Reply-To: <1245460272-4329-6-git-send-email-sfking@fdwdc.com> References: <1245460272-4329-1-git-send-email-sfking@fdwdc.com> <1245460272-4329-2-git-send-email-sfking@fdwdc.com> <1245460272-4329-3-git-send-email-sfking@fdwdc.com> <1245460272-4329-4-git-send-email-sfking@fdwdc.com> <1245460272-4329-5-git-send-email-sfking@fdwdc.com> <1245460272-4329-6-git-send-email-sfking@fdwdc.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 4684 Lines: 141 Add support for the 5249. Signed-off-by: Steven King --- arch/m68k/include/asm/m5249sim.h | 23 +++++++----- arch/m68knommu/platform/5249/Makefile | 2 +- arch/m68knommu/platform/5249/gpio.c | 65 +++++++++++++++++++++++++++++++++ 3 files changed, 80 insertions(+), 10 deletions(-) create mode 100644 arch/m68knommu/platform/5249/gpio.c diff --git a/arch/m68k/include/asm/m5249sim.h b/arch/m68k/include/asm/m5249sim.h index 366eb86..2c23a83 100644 --- a/arch/m68k/include/asm/m5249sim.h +++ b/arch/m68k/include/asm/m5249sim.h @@ -73,14 +73,14 @@ /* * General purpose IO registers (in MBAR2). */ -#define MCFSIM2_GPIOREAD 0x0 /* GPIO read values */ -#define MCFSIM2_GPIOWRITE 0x4 /* GPIO write values */ -#define MCFSIM2_GPIOENABLE 0x8 /* GPIO enabled */ -#define MCFSIM2_GPIOFUNC 0xc /* GPIO function */ -#define MCFSIM2_GPIO1READ 0xb0 /* GPIO1 read values */ -#define MCFSIM2_GPIO1WRITE 0xb4 /* GPIO1 write values */ -#define MCFSIM2_GPIO1ENABLE 0xb8 /* GPIO1 enabled */ -#define MCFSIM2_GPIO1FUNC 0xbc /* GPIO1 function */ +#define MCFSIM2_GPIOREAD (MCF_MBAR2 + 0x000) /* GPIO read values */ +#define MCFSIM2_GPIOWRITE (MCF_MBAR2 + 0x004) /* GPIO write values */ +#define MCFSIM2_GPIOENABLE (MCF_MBAR2 + 0x008) /* GPIO enabled */ +#define MCFSIM2_GPIOFUNC (MCF_MBAR2 + 0x00C) /* GPIO function */ +#define MCFSIM2_GPIO1READ (MCF_MBAR2 + 0x0B0) /* GPIO1 read values */ +#define MCFSIM2_GPIO1WRITE (MCF_MBAR2 + 0x0B4) /* GPIO1 write values */ +#define MCFSIM2_GPIO1ENABLE (MCF_MBAR2 + 0x0B8) /* GPIO1 enabled */ +#define MCFSIM2_GPIO1FUNC (MCF_MBAR2 + 0x0BC) /* GPIO1 function */ #define MCFSIM2_GPIOINTSTAT 0xc0 /* GPIO interrupt status */ #define MCFSIM2_GPIOINTCLEAR 0xc0 /* GPIO interrupt clear */ @@ -100,7 +100,12 @@ #define MCFSIM2_IDECONFIG1 0x18c /* IDEconfig1 */ #define MCFSIM2_IDECONFIG2 0x190 /* IDEconfig2 */ - +/* + * Generic GPIO support + */ +#define MCFGPIO_PIN_MAX 64 +#define MCFGPIO_IRQ_MAX -1 +#define MCFGPIO_IRQ_VECBASE -1 /* * Macro to set IMR register. It is 32 bits on the 5249. */ diff --git a/arch/m68knommu/platform/5249/Makefile b/arch/m68knommu/platform/5249/Makefile index a439d9a..113c333 100644 --- a/arch/m68knommu/platform/5249/Makefile +++ b/arch/m68knommu/platform/5249/Makefile @@ -14,5 +14,5 @@ asflags-$(CONFIG_FULLDEBUG) := -DDEBUGGER_COMPATIBLE_CACHE=1 -obj-y := config.o +obj-y := config.o gpio.o diff --git a/arch/m68knommu/platform/5249/gpio.c b/arch/m68knommu/platform/5249/gpio.c new file mode 100644 index 0000000..69e7866 --- /dev/null +++ b/arch/m68knommu/platform/5249/gpio.c @@ -0,0 +1,65 @@ +/* + * Coldfire generic GPIO support + * + * (C) Copyright 2009, Steven King + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. +*/ + +#include +#include + +#include +#include +#include + +static struct mcf_gpio_chip mcf_gpio_chips[] = { + { + .gpio_chip = { + .label = "GPIO0", + .request = mcf_gpio_request, + .free = mcf_gpio_free, + .direction_input = mcf_gpio_direction_input, + .direction_output = mcf_gpio_direction_output, + .get = mcf_gpio_get_value, + .set = mcf_gpio_set_value, + .ngpio = 32, + }, + .pddr = MCFSIM2_GPIOENABLE, + .podr = MCFSIM2_GPIOWRITE, + .ppdr = MCFSIM2_GPIOREAD, + }, + { + .gpio_chip = { + .label = "GPIO1", + .request = mcf_gpio_request, + .free = mcf_gpio_free, + .direction_input = mcf_gpio_direction_input, + .direction_output = mcf_gpio_direction_output, + .get = mcf_gpio_get_value, + .set = mcf_gpio_set_value, + .base = 32, + .ngpio = 32, + }, + .pddr = MCFSIM2_GPIO1ENABLE, + .podr = MCFSIM2_GPIO1WRITE, + .ppdr = MCFSIM2_GPIO1READ, + }, +}; + +static int __init mcf_gpio_init(void) +{ + unsigned i = 0; + while (i < ARRAY_SIZE(mcf_gpio_chips)) + (void)gpiochip_add((struct gpio_chip *)&mcf_gpio_chips[i++]); + return 0; +} + +core_initcall(mcf_gpio_init); -- 1.5.6.5 -- 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/