diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/powerpc/sysdev/mv64x60_dev.c | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/arch/powerpc/sysdev/mv64x60_dev.c b/arch/powerpc/sysdev/mv64x60_dev.c index 0ccc495..4b0a9c8 100644 --- a/arch/powerpc/sysdev/mv64x60_dev.c +++ b/arch/powerpc/sysdev/mv64x60_dev.c @@ -323,6 +323,72 @@ error: return err; } +/* + * Create mv64x60_i2c platform devices + */ +static int __init mv64x60_i2c_device_setup(struct device_node *np, int id) +{ + struct resource r[2]; + struct platform_device *pdev; + struct mv64xxx_i2c_pdata pdata; + const unsigned int *prop; + int err; + + memset(r, 0, sizeof(r)); + + err = of_address_to_resource(np, 0, &r[0]); + if (err) + return err; + + of_irq_to_resource(np, 0, &r[1]); + + memset(&pdata, 0, sizeof(pdata)); + + prop = of_get_property(np, "freq_m", NULL); + if (!prop) + return -ENODEV; + pdata.freq_m = *prop; + + prop = of_get_property(np, "freq_n", NULL); + if (!prop) + return -ENODEV; + pdata.freq_n = *prop; + + prop = of_get_property(np, "timeout", NULL); + if (prop) + pdata.timeout = *prop; + else + pdata.timeout = 1000; /* 1 second */ + + prop = of_get_property(np, "retries", NULL); + if (prop) + pdata.retries = *prop; + else + pdata.retries = 1; + + pdev = platform_device_alloc(MV64XXX_I2C_CTLR_NAME, id); + if (!pdev) + return -ENOMEM; + + err = platform_device_add_resources(pdev, r, 2); + if (err) + goto error; + + err = platform_device_add_data(pdev, &pdata, sizeof(pdata)); + if (err) + goto error; + + err = platform_device_add(pdev); + if (err) + goto error; + + return 0; + +error: + platform_device_put(pdev); + return err; +} + static int __init mv64x60_device_setup(void) { struct device_node *np = NULL; @@ -341,6 +407,12 @@ static int __init mv64x60_device_setup(void) if ((err = mv64x60_eth_device_setup(np, id))) goto error; + for (id = 0; + (np = of_find_compatible_node(np, "i2c", "marvell,mv64x60-i2c")); + id++) + if ((err = mv64x60_i2c_device_setup(np, id))) + goto error; + return 0; error: |