Commit 144aa3db authored by Herbert Valerio Riedel's avatar Herbert Valerio Riedel Committed by Russell King

[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: default avatarHerbert Valerio Riedel <hvr@gnu.org>
Signed-off-by: default avatarTzachi Perelstein <tzachi@marvell.com>
parent 2f0a8df4
...@@ -15,6 +15,7 @@ ...@@ -15,6 +15,7 @@
#include <linux/platform_device.h> #include <linux/platform_device.h>
#include <linux/serial_8250.h> #include <linux/serial_8250.h>
#include <linux/mv643xx_eth.h> #include <linux/mv643xx_eth.h>
#include <linux/mv643xx_i2c.h>
#include <asm/page.h> #include <asm/page.h>
#include <asm/timex.h> #include <asm/timex.h>
#include <asm/mach/map.h> #include <asm/mach/map.h>
...@@ -212,6 +213,42 @@ void __init orion_eth_init(struct mv643xx_eth_platform_data *eth_data) ...@@ -212,6 +213,42 @@ void __init orion_eth_init(struct mv643xx_eth_platform_data *eth_data)
platform_device_register(&orion_eth); platform_device_register(&orion_eth);
} }
/*****************************************************************************
* 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 * General
****************************************************************************/ ****************************************************************************/
...@@ -274,4 +311,5 @@ void __init orion_init(void) ...@@ -274,4 +311,5 @@ void __init orion_init(void)
platform_device_register(&orion_ehci0); platform_device_register(&orion_ehci0);
if (dev == MV88F5182_DEV_ID) if (dev == MV88F5182_DEV_ID)
platform_device_register(&orion_ehci1); platform_device_register(&orion_ehci1);
platform_device_register(&orion_i2c);
} }
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