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mx5: Add registration of GPIOs for MX5 devices 

Register the gpio irqs on Freescale's MX51 Babbage HW.

Signed-off-by: Dinh Nguyen <Dinh.Nguyen@freescale.com>
Signed-off-by: Amit Kucheria <amit.kucheria@canonical.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This commit is contained in:
Dinh Nguyen 2010-04-22 16:28:42 +03:00 committed by Sascha Hauer
parent 38a66f51e7
commit e24798e637
3 changed files with 36 additions and 6 deletions
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33
arch/arm/mach-mx5/devices.c
View File

@ -1,5 +1,6 @@
/*
* Copyright 2009 Amit Kucheria <amit.kucheria@canonical.com>
* Copyright (C) 2010 Freescale Semiconductor, Inc.
*
* The code contained herein is licensed under the GNU General Public
* License. You may obtain a copy of the GNU General Public License
@ -10,8 +11,10 @@
*/
#include <linux/platform_device.h>
#include <linux/gpio.h>
#include <mach/hardware.h>
#include <mach/imx-uart.h>
#include <mach/irqs.h>
static struct resource uart0[] = {
{
@ -89,8 +92,34 @@ struct platform_device mxc_fec_device = {
.resource = mxc_fec_resources,
};
/* Dummy definition to allow compiling in AVIC and TZIC simultaneously */
static struct mxc_gpio_port mxc_gpio_ports[] = {
{
.chip.label = "gpio-0",
.base = MX51_IO_ADDRESS(MX51_GPIO1_BASE_ADDR),
.irq = MX51_MXC_INT_GPIO1_LOW,
.virtual_irq_start = MXC_GPIO_IRQ_START
},
{
.chip.label = "gpio-1",
.base = MX51_IO_ADDRESS(MX51_GPIO2_BASE_ADDR),
.irq = MX51_MXC_INT_GPIO2_LOW,
.virtual_irq_start = MXC_GPIO_IRQ_START + 32 * 1
},
{
.chip.label = "gpio-2",
.base = MX51_IO_ADDRESS(MX51_GPIO3_BASE_ADDR),
.irq = MX51_MXC_INT_GPIO3_LOW,
.virtual_irq_start = MXC_GPIO_IRQ_START + 32 * 2
},
{
.chip.label = "gpio-3",
.base = MX51_IO_ADDRESS(MX51_GPIO4_BASE_ADDR),
.irq = MX51_MXC_INT_GPIO4_LOW,
.virtual_irq_start = MXC_GPIO_IRQ_START + 32 * 3
},
};
int __init mxc_register_gpios(void)
{
return 0;
return mxc_gpio_init(mxc_gpio_ports, ARRAY_SIZE(mxc_gpio_ports));
}

5
arch/arm/plat-mxc/gpio.c
View File

@ -3,7 +3,7 @@
* Copyright 2008 Juergen Beisert, kernel@pengutronix.de
*
* Based on code from Freescale,
* Copyright 2004-2006 Freescale Semiconductor, Inc. All Rights Reserved.
* Copyright (C) 2004-2010 Freescale Semiconductor, Inc. All Rights Reserved.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
@ -38,7 +38,6 @@ static int gpio_table_size;
#define GPIO_ICR2 (cpu_is_mx1_mx2() ? 0x2C : 0x10)
#define GPIO_IMR (cpu_is_mx1_mx2() ? 0x30 : 0x14)
#define GPIO_ISR (cpu_is_mx1_mx2() ? 0x34 : 0x18)
#define GPIO_ISR (cpu_is_mx1_mx2() ? 0x34 : 0x18)
#define GPIO_INT_LOW_LEV (cpu_is_mx1_mx2() ? 0x3 : 0x0)
#define GPIO_INT_HIGH_LEV (cpu_is_mx1_mx2() ? 0x2 : 0x1)
@ -289,7 +288,7 @@ int __init mxc_gpio_init(struct mxc_gpio_port *port, int cnt)
/* its a serious configuration bug when it fails */
BUG_ON( gpiochip_add(&port[i].chip) < 0 );
if (cpu_is_mx1() || cpu_is_mx3() || cpu_is_mx25()) {
if (cpu_is_mx1() || cpu_is_mx3() || cpu_is_mx25() || cpu_is_mx51()) {
/* setup one handler for each entry */
set_irq_chained_handler(port[i].irq, mx3_gpio_irq_handler);
set_irq_data(port[i].irq, &port[i]);

4
arch/arm/plat-mxc/tzic.c
View File

@ -1,5 +1,5 @@
/*
* Copyright 2004-2009 Freescale Semiconductor, Inc. All Rights Reserved.
* Copyright (C)2004-2010 Freescale Semiconductor, Inc. All Rights Reserved.
*
* The code contained herein is licensed under the GNU General Public
* License. You may obtain a copy of the GNU General Public License
@ -19,6 +19,7 @@
#include <asm/mach/irq.h>
#include <mach/hardware.h>
#include <mach/common.h>
/*
*****************************************
@ -144,6 +145,7 @@ void __init tzic_init_irq(void __iomem *irqbase)
set_irq_handler(i, handle_level_irq);
set_irq_flags(i, IRQF_VALID);
}
mxc_register_gpios();
pr_info("TrustZone Interrupt Controller (TZIC) initialized\n");
}