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ARM: orion: Consolidate I2C initialization.
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Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Nicolas Pitre <nico@fluxnic.net>
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Andrew Lunn authored and Nicolas Pitre committed May 16, 2011
1 parent 7e3819d commit aac7ffa
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Showing 6 changed files with 67 additions and 158 deletions.
33 changes: 1 addition & 32 deletions arch/arm/mach-dove/common.c
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Expand Up @@ -16,7 +16,6 @@
#include <linux/serial_8250.h>
#include <linux/clk.h>
#include <linux/mbus.h>
#include <linux/mv643xx_i2c.h>
#include <linux/ata_platform.h>
#include <linux/serial_8250.h>
#include <linux/spi/orion_spi.h>
Expand Down Expand Up @@ -305,39 +304,9 @@ void __init dove_spi1_init(void)
/*****************************************************************************
* I2C
****************************************************************************/
static struct mv64xxx_i2c_pdata dove_i2c_data = {
.freq_m = 10, /* assumes 166 MHz TCLK gets 94.3kHz */
.freq_n = 3,
.timeout = 1000, /* Default timeout of 1 second */
};

static struct resource dove_i2c_resources[] = {
{
.name = "i2c base",
.start = DOVE_I2C_PHYS_BASE,
.end = DOVE_I2C_PHYS_BASE + 0x20 - 1,
.flags = IORESOURCE_MEM,
}, {
.name = "i2c irq",
.start = IRQ_DOVE_I2C,
.end = IRQ_DOVE_I2C,
.flags = IORESOURCE_IRQ,
},
};

static struct platform_device dove_i2c = {
.name = MV64XXX_I2C_CTLR_NAME,
.id = 0,
.num_resources = ARRAY_SIZE(dove_i2c_resources),
.resource = dove_i2c_resources,
.dev = {
.platform_data = &dove_i2c_data,
},
};

void __init dove_i2c_init(void)
{
platform_device_register(&dove_i2c);
orion_i2c_init(DOVE_I2C_PHYS_BASE, IRQ_DOVE_I2C, 10);
}

/*****************************************************************************
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31 changes: 1 addition & 30 deletions arch/arm/mach-kirkwood/common.c
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Expand Up @@ -13,7 +13,6 @@
#include <linux/platform_device.h>
#include <linux/serial_8250.h>
#include <linux/mbus.h>
#include <linux/mv643xx_i2c.h>
#include <linux/ata_platform.h>
#include <linux/mtd/nand.h>
#include <linux/spi/orion_spi.h>
Expand Down Expand Up @@ -324,37 +323,9 @@ void __init kirkwood_spi_init()
/*****************************************************************************
* I2C
****************************************************************************/
static struct mv64xxx_i2c_pdata kirkwood_i2c_pdata = {
.freq_m = 8, /* assumes 166 MHz TCLK */
.freq_n = 3,
.timeout = 1000, /* Default timeout of 1 second */
};

static struct resource kirkwood_i2c_resources[] = {
{
.start = I2C_PHYS_BASE,
.end = I2C_PHYS_BASE + 0x1f,
.flags = IORESOURCE_MEM,
}, {
.start = IRQ_KIRKWOOD_TWSI,
.end = IRQ_KIRKWOOD_TWSI,
.flags = IORESOURCE_IRQ,
},
};

static struct platform_device kirkwood_i2c = {
.name = MV64XXX_I2C_CTLR_NAME,
.id = 0,
.num_resources = ARRAY_SIZE(kirkwood_i2c_resources),
.resource = kirkwood_i2c_resources,
.dev = {
.platform_data = &kirkwood_i2c_pdata,
},
};

void __init kirkwood_i2c_init(void)
{
platform_device_register(&kirkwood_i2c);
orion_i2c_init(I2C_PHYS_BASE, IRQ_KIRKWOOD_TWSI, 8);
}


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70 changes: 3 additions & 67 deletions arch/arm/mach-mv78xx0/common.c
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Expand Up @@ -13,7 +13,6 @@
#include <linux/platform_device.h>
#include <linux/serial_8250.h>
#include <linux/mbus.h>
#include <linux/mv643xx_i2c.h>
#include <linux/ata_platform.h>
#include <linux/ethtool.h>
#include <asm/mach/map.h>
Expand Down Expand Up @@ -346,75 +345,12 @@ void __init mv78xx0_ge11_init(struct mv643xx_eth_platform_data *eth_data)
}

/*****************************************************************************
* I2C bus 0
* I2C
****************************************************************************/

static struct mv64xxx_i2c_pdata mv78xx0_i2c_0_pdata = {
.freq_m = 8, /* assumes 166 MHz TCLK */
.freq_n = 3,
.timeout = 1000, /* Default timeout of 1 second */
};

static struct resource mv78xx0_i2c_0_resources[] = {
{
.start = I2C_0_PHYS_BASE,
.end = I2C_0_PHYS_BASE + 0x1f,
.flags = IORESOURCE_MEM,
}, {
.start = IRQ_MV78XX0_I2C_0,
.end = IRQ_MV78XX0_I2C_0,
.flags = IORESOURCE_IRQ,
},
};


static struct platform_device mv78xx0_i2c_0 = {
.name = MV64XXX_I2C_CTLR_NAME,
.id = 0,
.num_resources = ARRAY_SIZE(mv78xx0_i2c_0_resources),
.resource = mv78xx0_i2c_0_resources,
.dev = {
.platform_data = &mv78xx0_i2c_0_pdata,
},
};

/*****************************************************************************
* I2C bus 1
****************************************************************************/

static struct mv64xxx_i2c_pdata mv78xx0_i2c_1_pdata = {
.freq_m = 8, /* assumes 166 MHz TCLK */
.freq_n = 3,
.timeout = 1000, /* Default timeout of 1 second */
};

static struct resource mv78xx0_i2c_1_resources[] = {
{
.start = I2C_1_PHYS_BASE,
.end = I2C_1_PHYS_BASE + 0x1f,
.flags = IORESOURCE_MEM,
}, {
.start = IRQ_MV78XX0_I2C_1,
.end = IRQ_MV78XX0_I2C_1,
.flags = IORESOURCE_IRQ,
},
};


static struct platform_device mv78xx0_i2c_1 = {
.name = MV64XXX_I2C_CTLR_NAME,
.id = 1,
.num_resources = ARRAY_SIZE(mv78xx0_i2c_1_resources),
.resource = mv78xx0_i2c_1_resources,
.dev = {
.platform_data = &mv78xx0_i2c_1_pdata,
},
};

void __init mv78xx0_i2c_init(void)
{
platform_device_register(&mv78xx0_i2c_0);
platform_device_register(&mv78xx0_i2c_1);
orion_i2c_init(I2C_0_PHYS_BASE, IRQ_MV78XX0_I2C_0, 8);
orion_i2c_1_init(I2C_1_PHYS_BASE, IRQ_MV78XX0_I2C_1, 8);
}

/*****************************************************************************
Expand Down
31 changes: 2 additions & 29 deletions arch/arm/mach-orion5x/common.c
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Expand Up @@ -169,37 +169,10 @@ void __init orion5x_eth_switch_init(struct dsa_platform_data *d, int irq)
/*****************************************************************************
* I2C
****************************************************************************/
static struct mv64xxx_i2c_pdata orion5x_i2c_pdata = {
.freq_m = 8, /* assumes 166 MHz TCLK */
.freq_n = 3,
.timeout = 1000, /* Default timeout of 1 second */
};

static struct resource orion5x_i2c_resources[] = {
{
.start = I2C_PHYS_BASE,
.end = I2C_PHYS_BASE + 0x1f,
.flags = IORESOURCE_MEM,
}, {
.start = IRQ_ORION5X_I2C,
.end = IRQ_ORION5X_I2C,
.flags = IORESOURCE_IRQ,
},
};

static struct platform_device orion5x_i2c = {
.name = MV64XXX_I2C_CTLR_NAME,
.id = 0,
.num_resources = ARRAY_SIZE(orion5x_i2c_resources),
.resource = orion5x_i2c_resources,
.dev = {
.platform_data = &orion5x_i2c_pdata,
},
};

void __init orion5x_i2c_init(void)
{
platform_device_register(&orion5x_i2c);
orion_i2c_init(I2C_PHYS_BASE, IRQ_ORION5X_I2C, 8);

}


Expand Down
54 changes: 54 additions & 0 deletions arch/arm/plat-orion/common.c
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Expand Up @@ -15,6 +15,7 @@
#include <linux/serial_8250.h>
#include <linux/mbus.h>
#include <linux/mv643xx_eth.h>
#include <linux/mv643xx_i2c.h>
#include <net/dsa.h>

/* Fill in the resources structure and link it into the platform
Expand Down Expand Up @@ -463,3 +464,56 @@ void __init orion_ge00_switch_init(struct dsa_platform_data *d, int irq)

platform_device_register(&orion_switch_device);
}

/*****************************************************************************
* I2C
****************************************************************************/
static struct mv64xxx_i2c_pdata orion_i2c_pdata = {
.freq_n = 3,
.timeout = 1000, /* Default timeout of 1 second */
};

static struct resource orion_i2c_resources[2];

static struct platform_device orion_i2c = {
.name = MV64XXX_I2C_CTLR_NAME,
.id = 0,
.dev = {
.platform_data = &orion_i2c_pdata,
},
};

static struct mv64xxx_i2c_pdata orion_i2c_1_pdata = {
.freq_n = 3,
.timeout = 1000, /* Default timeout of 1 second */
};

static struct resource orion_i2c_1_resources[2];

static struct platform_device orion_i2c_1 = {
.name = MV64XXX_I2C_CTLR_NAME,
.id = 1,
.dev = {
.platform_data = &orion_i2c_1_pdata,
},
};

void __init orion_i2c_init(unsigned long mapbase,
unsigned long irq,
unsigned long freq_m)
{
orion_i2c_pdata.freq_m = freq_m;
fill_resources(&orion_i2c, orion_i2c_resources, mapbase,
SZ_32 - 1, irq);
platform_device_register(&orion_i2c);
}

void __init orion_i2c_1_init(unsigned long mapbase,
unsigned long irq,
unsigned long freq_m)
{
orion_i2c_1_pdata.freq_m = freq_m;
fill_resources(&orion_i2c_1, orion_i2c_1_resources, mapbase,
SZ_32 - 1, irq);
platform_device_register(&orion_i2c_1);
}
6 changes: 6 additions & 0 deletions arch/arm/plat-orion/include/plat/common.h
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Expand Up @@ -66,5 +66,11 @@ void __init orion_ge11_init(struct mv643xx_eth_platform_data *eth_data,

void __init orion_ge00_switch_init(struct dsa_platform_data *d,
int irq);
void __init orion_i2c_init(unsigned long mapbase,
unsigned long irq,
unsigned long freq_m);

void __init orion_i2c_1_init(unsigned long mapbase,
unsigned long irq,
unsigned long freq_m);
#endif

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