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yaml
---
r: 56290
b: refs/heads/master
c: 01f0e78
h: refs/heads/master
v: v3
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Dale Farnsworth authored and Paul Mackerras committed May 12, 2007
1 parent a64340a commit 57f046b
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Showing 2 changed files with 73 additions and 1 deletion.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 649c8e0289eeee2ab3d4c6c6e062df24dd602233
refs/heads/master: 01f0e78e15c52af480c867af5bd406afec80d9cc
72 changes: 72 additions & 0 deletions trunk/arch/powerpc/sysdev/mv64x60_dev.c
Original file line number Diff line number Diff line change
Expand Up @@ -323,6 +323,72 @@ static int __init mv64x60_eth_device_setup(struct device_node *np, int id)
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;
Expand All @@ -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:
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