iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

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

Browse Source 
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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

31
arch/arm/mach-ux500/board-mop500.c
View File

@ -28,6 +28,7 @@
#include <mach/hardware.h>
#include <mach/setup.h>
#include <mach/devices.h>
#include <mach/irqs.h>
#include "pins-db8500.h"
#include "board-mop500.h"
@ -76,9 +77,27 @@ static struct ab8500_platform_data ab8500_platdata = {
.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,
.platform_data = &ab8500_platdata,
.max_speed_hz = 12000000,
@ -166,8 +185,12 @@ static void __init u8500_init_machine(void)
mop500_sdi_init();
spi_register_board_info(u8500_spi_devices,
ARRAY_SIZE(u8500_spi_devices));
/* If HW is early drop (ED) or V1.0 then use SPI to access AB8500 */
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")

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_CH2_OVRRUN (IRQ_SHPI_START + 34)
#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_DISP (IRQ_SHPI_START + 48)
#define IRQ_SiPI3 (IRQ_SHPI_START + 49)