diff options
| author | Gigi Joseph <gigi.joseph@gmail.com> | 2015-01-09 03:45:02 +0000 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-01-12 05:04:10 -0800 |
| commit | 46d0d33350e9b32642d745a8b46a954910196b4d (patch) | |
| tree | 9428c3075ecda272e3cfd84ea00fe30015061d49 /drivers/misc/ti-st/st_ll.c | |
| parent | 2e5df413becf6bd3854d1eb4f96542a53848bb27 (diff) | |
ti-st: add device tree support
When using device tree, driver configuration data need to be read from
device node.
Add support for getting the platform data information from the device
tree information stored in the .dtb file in case it exists.
Signed-off-by: Eyal Reizer <eyalr@ti.com>
Signed-off-by: bvijay <bvijay@ti.com>
Diff rendering mode:inlineside by side
Signed-off-by: Gigi Joseph <gigi.joseph@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/misc/ti-st/st_ll.c')
| -rw-r--r-- | drivers/misc/ti-st/st_ll.c | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/drivers/misc/ti-st/st_ll.c b/drivers/misc/ti-st/st_ll.c index 93b4d67cc4a3..518e1b7f2f95 100644 --- a/drivers/misc/ti-st/st_ll.c +++ b/drivers/misc/ti-st/st_ll.c @@ -26,6 +26,7 @@ #include <linux/ti_wilink_st.h> /**********************************************************************/ + /* internal functions */ static void send_ll_cmd(struct st_data_s *st_data, unsigned char cmd) @@ -53,7 +54,13 @@ static void ll_device_want_to_sleep(struct st_data_s *st_data) /* communicate to platform about chip asleep */ kim_data = st_data->kim_data; - pdata = kim_data->kim_pdev->dev.platform_data; + if (kim_data->kim_pdev->dev.of_node) { + pr_debug("use device tree data"); + pdata = dt_pdata; + } else { + pdata = kim_data->kim_pdev->dev.platform_data; + } + if (pdata->chip_asleep) pdata->chip_asleep(NULL); } @@ -86,7 +93,13 @@ static void ll_device_want_to_wakeup(struct st_data_s *st_data) /* communicate to platform about chip wakeup */ kim_data = st_data->kim_data; - pdata = kim_data->kim_pdev->dev.platform_data; + if (kim_data->kim_pdev->dev.of_node) { + pr_debug("use device tree data"); + pdata = dt_pdata; + } else { + pdata = kim_data->kim_pdev->dev.platform_data; + } + if (pdata->chip_awake) pdata->chip_awake(NULL); } |