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ARM: 6337/2: AB8500 I2C platform configuration and irq 

This patch adds the platform part of the AB8500 PRCMU I2C
access driver. The old irq name AB4500 is changed to AB8500.

Signed-off-by: Mattias Wallin <mattias.wallin@stericsson.com>
Signed-off-by: Linus Walleij <linus.walleij@stericsson.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Linus Walleij 2010-09-06 22:15:08 +01:00 committed by Russell King
parent fd0d67d62d
commit 29aeb3cfeb
2 changed files with 28 additions and 5 deletions
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31
arch/arm/mach-ux500/board-mop500.c
View File

@ -28,6 +28,7 @@
#include <mach/hardware.h> #include <mach/hardware.h>
#include <mach/setup.h> #include <mach/setup.h>
#include <mach/devices.h> #include <mach/devices.h>
#include <mach/irqs.h>
#include "pins-db8500.h" #include "pins-db8500.h"
#include "board-mop500.h" #include "board-mop500.h"
@ -76,9 +77,27 @@ static struct ab8500_platform_data ab8500_platdata = {
.irq_base = MOP500_AB8500_IRQ_BASE, .irq_base = MOP500_AB8500_IRQ_BASE,
}; };
static struct spi_board_info u8500_spi_devices[] = { static struct resource ab8500_resources[] = {
[0] = {
.start = IRQ_AB8500,
.end = IRQ_AB8500,
.flags = IORESOURCE_IRQ
}
};
struct platform_device ab8500_device = {
.name = "ab8500-i2c",
.id = 0,
.dev = {
.platform_data = &ab8500_platdata,
},
.num_resources = 1,
.resource = ab8500_resources,
};
static struct spi_board_info ab8500_spi_devices[] = {
{ {
.modalias = "ab8500", .modalias = "ab8500-spi",
.controller_data = &ab4500_chip_info, .controller_data = &ab4500_chip_info,
.platform_data = &ab8500_platdata, .platform_data = &ab8500_platdata,
.max_speed_hz = 12000000, .max_speed_hz = 12000000,
@ -166,8 +185,12 @@ static void __init u8500_init_machine(void)
mop500_sdi_init(); mop500_sdi_init();
spi_register_board_info(u8500_spi_devices, /* If HW is early drop (ED) or V1.0 then use SPI to access AB8500 */
ARRAY_SIZE(u8500_spi_devices)); if (cpu_is_u8500ed() || cpu_is_u8500v10())
spi_register_board_info(ab8500_spi_devices,
ARRAY_SIZE(ab8500_spi_devices));
else /* If HW is v.1.1 or later use I2C to access AB8500 */
platform_device_register(&ab8500_device);
} }
MACHINE_START(U8500, "ST-Ericsson MOP500 platform") MACHINE_START(U8500, "ST-Ericsson MOP500 platform")

2
arch/arm/mach-ux500/include/mach/irqs.h
View File

@ -40,7 +40,7 @@
#define IRQ_HSIR_CH1_OVRRUN (IRQ_SHPI_START + 33) #define IRQ_HSIR_CH1_OVRRUN (IRQ_SHPI_START + 33)
#define IRQ_HSIR_CH2_OVRRUN (IRQ_SHPI_START + 34) #define IRQ_HSIR_CH2_OVRRUN (IRQ_SHPI_START + 34)
#define IRQ_HSIR_CH3_OVRRUN (IRQ_SHPI_START + 35) #define IRQ_HSIR_CH3_OVRRUN (IRQ_SHPI_START + 35)
#define IRQ_AB4500 (IRQ_SHPI_START + 40) #define IRQ_AB8500 (IRQ_SHPI_START + 40)
#define IRQ_PRCMU (IRQ_SHPI_START + 47) #define IRQ_PRCMU (IRQ_SHPI_START + 47)
#define IRQ_DISP (IRQ_SHPI_START + 48) #define IRQ_DISP (IRQ_SHPI_START + 48)
#define IRQ_SiPI3 (IRQ_SHPI_START + 49) #define IRQ_SiPI3 (IRQ_SHPI_START + 49)