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author | Dinh Nguyen <Dinh.Nguyen@freescale.com> | 2010-04-22 16:28:42 +0300 |
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committer | Sascha Hauer <s.hauer@pengutronix.de> | 2010-04-22 16:53:23 +0200 |
commit | e24798e637f5d5222f9fd767aefbea15de456e4a (patch) | |
tree | 5a5463389abeae884bf0fb7157cddffb4aae2916 /arch | |
parent | 38a66f51e71c8d3e24c221614c57b9e8b37a46b3 (diff) | |
download | linux-3.10-e24798e637f5d5222f9fd767aefbea15de456e4a.tar.gz linux-3.10-e24798e637f5d5222f9fd767aefbea15de456e4a.tar.bz2 linux-3.10-e24798e637f5d5222f9fd767aefbea15de456e4a.zip |
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>
Diffstat (limited to 'arch')
-rw-r--r-- | arch/arm/mach-mx5/devices.c | 33 | ||||
-rw-r--r-- | arch/arm/plat-mxc/gpio.c | 5 | ||||
-rw-r--r-- | arch/arm/plat-mxc/tzic.c | 4 |
3 files changed, 36 insertions, 6 deletions
diff --git a/arch/arm/mach-mx5/devices.c b/arch/arm/mach-mx5/devices.c index d6fd3961ade..5070ae1f94c 100644 --- a/arch/arm/mach-mx5/devices.c +++ b/arch/arm/mach-mx5/devices.c @@ -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)); } diff --git a/arch/arm/plat-mxc/gpio.c b/arch/arm/plat-mxc/gpio.c index 70b23893f09..71437c61cfd 100644 --- a/arch/arm/plat-mxc/gpio.c +++ b/arch/arm/plat-mxc/gpio.c @@ -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]); diff --git a/arch/arm/plat-mxc/tzic.c b/arch/arm/plat-mxc/tzic.c index afa6709db0b..9b86d2a60d4 100644 --- a/arch/arm/plat-mxc/tzic.c +++ b/arch/arm/plat-mxc/tzic.c @@ -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"); } |