diff options
| author |   Peter Ujfalusi <peter.ujfalusi@ti.com> | 2012-08-16 15:13:14 +0300 |
|---|---|---|
| committer |   Samuel Ortiz <sameo@linux.intel.com> | 2012-09-19 12:21:20 +0200 |
| commit | 5cbe786a6e32e80149f7b29def50b2bf563f6628 (patch) | |
| tree | 60dd5b609a0bb3c7515810dd6ac639bb3c163816 /drivers/mfd/twl6040-core.c | |
| parent | mfd: twl6040: Fix GPO mask (diff) | |
| download | linux-dev-5cbe786a6e32e80149f7b29def50b2bf563f6628.tar.xz linux-dev-5cbe786a6e32e80149f7b29def50b2bf563f6628.zip | |
mfd: twl6040: Add twl6040-gpio child
Add needed platform data structure and code to be able to load
the GPO child of twl6040.
Update the devicetree binding documentation at the same time.
Signed-off-by: Sergio Aguirre <saaguirre@ti.com>
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Diffstat (limited to 'drivers/mfd/twl6040-core.c')
| -rw-r--r-- | drivers/mfd/twl6040-core.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/mfd/twl6040-core.c b/drivers/mfd/twl6040-core.c index 348e1de8e7c1..3f2a1cf02fc0 100644 --- a/drivers/mfd/twl6040-core.c +++ b/drivers/mfd/twl6040-core.c @@ -631,6 +631,21 @@ static int __devinit twl6040_probe(struct i2c_client *client, children++; } + /* + * Enable the GPO driver in the following cases: + * DT booted kernel or legacy boot with valid gpo platform_data + */ + if (!pdata || (pdata && pdata->gpo)) { + cell = &twl6040->cells[children]; + cell->name = "twl6040-gpo"; + + if (pdata) { + cell->platform_data = pdata->gpo; + cell->pdata_size = sizeof(*pdata->gpo); + } + children++; + } + ret = mfd_add_devices(&client->dev, -1, twl6040->cells, children, NULL, 0, NULL); if (ret) |