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| author | Riku Voipio <riku.voipio@iki.fi> | 2009-03-03 22:13:50 +0300 |
|---|---|---|
| committer | Nicolas Pitre <nico@cam.org> | 2009-03-04 05:06:12 +0300 |
| commit | 693599438909de47fbfa4246bf67d6c535f719b5 (patch) | |
| tree | 1b0b323d6c12c5df3c22c7f7cf8bde7016aec57c /arch/arm/mach-mv78xx0/common.c | |
| parent | 5b99d5348304a32dfca92238d27ac4de2b365175 (diff) | |
| download | linux-693599438909de47fbfa4246bf67d6c535f719b5.tar.xz | |
[ARM] mv78xx0: wire i2c support
All the pieces were ready, just matter of assembling
them together.
Signed-off-by: Riku Voipio <riku.voipio@iki.fi>
Signed-off-by: Nicolas Pitre <nico@marvell.com>
Diffstat (limited to 'arch/arm/mach-mv78xx0/common.c')
| -rw-r--r-- | arch/arm/mach-mv78xx0/common.c | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/arch/arm/mach-mv78xx0/common.c b/arch/arm/mach-mv78xx0/common.c index 15f9913f4a90..a575daaa62d1 100644 --- a/arch/arm/mach-mv78xx0/common.c +++ b/arch/arm/mach-mv78xx0/common.c @@ -14,6 +14,7 @@ #include <linux/serial_8250.h> #include <linux/mbus.h> #include <linux/mv643xx_eth.h> +#include <linux/mv643xx_i2c.h> #include <linux/ata_platform.h> #include <linux/ethtool.h> #include <asm/mach/map.h> @@ -518,6 +519,81 @@ void __init mv78xx0_ge11_init(struct mv643xx_eth_platform_data *eth_data) platform_device_register(&mv78xx0_ge11); } +/***************************************************************************** + * I2C bus 0 + ****************************************************************************/ + +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[] = { + { + .name = "i2c 0 base", + .start = I2C_0_PHYS_BASE, + .end = I2C_0_PHYS_BASE + 0x1f, + .flags = IORESOURCE_MEM, + }, { + .name = "i2c 0 irq", + .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[] = { + { + .name = "i2c 1 base", + .start = I2C_1_PHYS_BASE, + .end = I2C_1_PHYS_BASE + 0x1f, + .flags = IORESOURCE_MEM, + }, { + .name = "i2c 1 irq", + .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); +} /***************************************************************************** * SATA |