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| author | Herbert Valerio Riedel | 2007-11-12 08:51:36 +0100 |
|---|---|---|
| committer | Russell King | 2008-01-26 16:04:02 +0100 |
| commit | 144aa3db1e8faa34bb33c61131494ac879a6d978 (patch) | |
| tree | 886cb38c489f31fa4c525dc84ae0d1ecccba39af /arch/arm/mach-orion/common.c | |
| parent | [I2C] i2c-mv64xxx: Don't set i2c_adapter.retries (diff) | |
| download | kernel-qcow2-linux-144aa3db1e8faa34bb33c61131494ac879a6d978.tar.gz kernel-qcow2-linux-144aa3db1e8faa34bb33c61131494ac879a6d978.tar.xz kernel-qcow2-linux-144aa3db1e8faa34bb33c61131494ac879a6d978.zip | |
[ARM] Orion: I2C support
The Orion I2C controller is the same one used in the Discovery
family (MV643XX). This patch include the common platform_device
stuff according to the existing i2c_mv64xxx.c conventions.
Signed-off-by: Herbert Valerio Riedel <hvr@gnu.org>
Signed-off-by: Tzachi Perelstein <tzachi@marvell.com>
Diffstat (limited to 'arch/arm/mach-orion/common.c')
| -rw-r--r-- | arch/arm/mach-orion/common.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/arch/arm/mach-orion/common.c b/arch/arm/mach-orion/common.c index ff34827f82a5..5e20b6b32508 100644 --- a/arch/arm/mach-orion/common.c +++ b/arch/arm/mach-orion/common.c @@ -15,6 +15,7 @@ #include <linux/platform_device.h> #include <linux/serial_8250.h> #include <linux/mv643xx_eth.h> +#include <linux/mv643xx_i2c.h> #include <asm/page.h> #include <asm/timex.h> #include <asm/mach/map.h> @@ -213,6 +214,42 @@ void __init orion_eth_init(struct mv643xx_eth_platform_data *eth_data) } /***************************************************************************** + * I2C controller + * (The Orion and Discovery (MV643xx) families share the same I2C controller) + ****************************************************************************/ + +static struct mv64xxx_i2c_pdata orion_i2c_pdata = { + .freq_m = 8, /* assumes 166 MHz TCLK */ + .freq_n = 3, + .timeout = 1000, /* Default timeout of 1 second */ +}; + +static struct resource orion_i2c_resources[] = { + { + .name = "i2c base", + .start = I2C_BASE, + .end = I2C_BASE + 0x20 -1, + .flags = IORESOURCE_MEM, + }, + { + .name = "i2c irq", + .start = IRQ_ORION_I2C, + .end = IRQ_ORION_I2C, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device orion_i2c = { + .name = MV64XXX_I2C_CTLR_NAME, + .id = 0, + .num_resources = ARRAY_SIZE(orion_i2c_resources), + .resource = orion_i2c_resources, + .dev = { + .platform_data = &orion_i2c_pdata, + }, +}; + +/***************************************************************************** * General ****************************************************************************/ @@ -274,4 +311,5 @@ void __init orion_init(void) platform_device_register(&orion_ehci0); if (dev == MV88F5182_DEV_ID) platform_device_register(&orion_ehci1); + platform_device_register(&orion_i2c); } |