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ARM: 6085/1: ux500: reorganize i2c devices 

Move common i2c devices to devices.c and DB8500-specific I2C
devices to devices-db8500.c.

Acked-by: Linus Walleij <linus.walleij@stericsson.com>
Acked-by: Srinidhi Kasagar <srinidhi.kasagar@stericsson.com>
Signed-off-by: Rabin Vincent <rabin.vincent@stericsson.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Rabin Vincent 2010-05-03 08:24:37 +01:00 committed by Russell King
parent 4b27aa4140
commit f9faf23799
5 changed files with 88 additions and 40 deletions
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50
arch/arm/mach-ux500/board-mop500.c
View File

@ -70,27 +70,8 @@ static struct pl022_ssp_controller ssp0_platform_data = {
.num_chipselect = 5,
};
#define U8500_I2C_RESOURCES(id, size) \
static struct resource u8500_i2c_resources_##id[] = { \
[0] = { \
.start = U8500_I2C##id##_BASE, \
.end = U8500_I2C##id##_BASE + size - 1, \
.flags = IORESOURCE_MEM, \
}, \
[1] = { \
.start = IRQ_I2C##id, \
.end = IRQ_I2C##id, \
.flags = IORESOURCE_IRQ \
} \
}
U8500_I2C_RESOURCES(0, SZ_4K);
U8500_I2C_RESOURCES(1, SZ_4K);
U8500_I2C_RESOURCES(2, SZ_4K);
U8500_I2C_RESOURCES(3, SZ_4K);
#define U8500_I2C_CONTROLLER(id, _slsu, _tft, _rft, clk, _sm) \
static struct nmk_i2c_controller u8500_i2c_##id = { \
static struct nmk_i2c_controller u8500_i2c##id##_data = { \
/* \
* slave data setup time, which is \
* 250 ns,100ns,10ns which is 14,6,2 \
@ -118,22 +99,6 @@ U8500_I2C_CONTROLLER(1, 0xe, 1, 1, 100000, I2C_FREQ_MODE_STANDARD);
U8500_I2C_CONTROLLER(2, 0xe, 1, 1, 100000, I2C_FREQ_MODE_STANDARD);
U8500_I2C_CONTROLLER(3, 0xe, 1, 1, 100000, I2C_FREQ_MODE_STANDARD);
#define U8500_I2C_PDEVICE(cid) \
static struct platform_device i2c_controller##cid = { \
.name = "nmk-i2c", \
.id = cid, \
.num_resources = 2, \
.resource = u8500_i2c_resources_##cid, \
.dev = { \
.platform_data = &u8500_i2c_##cid \
} \
}
U8500_I2C_PDEVICE(0);
U8500_I2C_PDEVICE(1);
U8500_I2C_PDEVICE(2);
U8500_I2C_PDEVICE(3);
static struct amba_device *amba_devs[] __initdata = {
&ux500_uart0_device,
&ux500_uart1_device,
@ -143,16 +108,21 @@ static struct amba_device *amba_devs[] __initdata = {
/* add any platform devices here - TODO */
static struct platform_device *platform_devs[] __initdata = {
&i2c_controller0,
&i2c_controller1,
&i2c_controller2,
&i2c_controller3,
&u8500_i2c0_device,
&ux500_i2c1_device,
&ux500_i2c2_device,
&ux500_i2c3_device,
};
static void __init u8500_init_machine(void)
{
int i;
u8500_i2c0_device.dev.platform_data = &u8500_i2c0_data;
ux500_i2c1_device.dev.platform_data = &u8500_i2c1_data;
ux500_i2c2_device.dev.platform_data = &u8500_i2c2_data;
ux500_i2c3_device.dev.platform_data = &u8500_i2c3_data;
u8500_ssp0_device.dev.platform_data = &ssp0_platform_data;
/* Register the active AMBA devices on this board */

40
arch/arm/mach-ux500/devices-db8500.c
View File

@ -28,3 +28,43 @@ struct amba_device u8500_ssp0_device = {
/* ST-Ericsson modified id */
.periphid = SSP_PER_ID,
};
static struct resource u8500_i2c0_resources[] = {
[0] = {
.start = U8500_I2C0_BASE,
.end = U8500_I2C0_BASE + SZ_4K - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = IRQ_I2C0,
.end = IRQ_I2C0,
.flags = IORESOURCE_IRQ,
}
};
struct platform_device u8500_i2c0_device = {
.name = "nmk-i2c",
.id = 0,
.resource = u8500_i2c0_resources,
.num_resources = ARRAY_SIZE(u8500_i2c0_resources),
};
static struct resource u8500_i2c4_resources[] = {
[0] = {
.start = U8500_I2C4_BASE,
.end = U8500_I2C4_BASE + SZ_4K - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = IRQ_I2C4,
.end = IRQ_I2C4,
.flags = IORESOURCE_IRQ,
}
};
struct platform_device u8500_i2c4_device = {
.name = "nmk-i2c",
.id = 4,
.resource = u8500_i2c4_resources,
.num_resources = ARRAY_SIZE(u8500_i2c4_resources),
};

30
arch/arm/mach-ux500/devices.c
View File

@ -47,6 +47,36 @@ struct amba_device ux500_uart2_device = {
.irq = {IRQ_UART2, NO_IRQ},
};
#define UX500_I2C_RESOURCES(id, size) \
static struct resource ux500_i2c##id##_resources[] = { \
[0] = { \
.start = UX500_I2C##id##_BASE, \
.end = UX500_I2C##id##_BASE + size - 1, \
.flags = IORESOURCE_MEM, \
}, \
[1] = { \
.start = IRQ_I2C##id, \
.end = IRQ_I2C##id, \
.flags = IORESOURCE_IRQ \
} \
}
UX500_I2C_RESOURCES(1, SZ_4K);
UX500_I2C_RESOURCES(2, SZ_4K);
UX500_I2C_RESOURCES(3, SZ_4K);
#define UX500_I2C_PDEVICE(cid) \
struct platform_device ux500_i2c##cid##_device = { \
.name = "nmk-i2c", \
.id = cid, \
.num_resources = 2, \
.resource = ux500_i2c##cid##_resources, \
}
UX500_I2C_PDEVICE(1);
UX500_I2C_PDEVICE(2);
UX500_I2C_PDEVICE(3);
void __init amba_add_devices(struct amba_device *devs[], int num)
{
int i;

7
arch/arm/mach-ux500/include/mach/devices.h
View File

@ -16,4 +16,11 @@ extern struct amba_device ux500_uart0_device;
extern struct amba_device ux500_uart1_device;
extern struct amba_device ux500_uart2_device;
extern struct platform_device ux500_i2c1_device;
extern struct platform_device ux500_i2c2_device;
extern struct platform_device ux500_i2c3_device;
extern struct platform_device u8500_i2c0_device;
extern struct platform_device u8500_i2c4_device;
#endif

1
arch/arm/mach-ux500/include/mach/irqs.h
View File

@ -42,6 +42,7 @@
#define IRQ_AB4500 (IRQ_SHPI_START + 40)
#define IRQ_DISP (IRQ_SHPI_START + 48)
#define IRQ_SiPI3 (IRQ_SHPI_START + 49)
#define IRQ_I2C4 (IRQ_SHPI_START + 51)
#define IRQ_SSP1 (IRQ_SHPI_START + 52)
#define IRQ_I2C2 (IRQ_SHPI_START + 55)
#define IRQ_SDMMC0 (IRQ_SHPI_START + 60)