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path: root/drivers/mfd/stmpe.c
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Diffstat (limited to 'drivers/mfd/stmpe.c')
-rw-r--r--drivers/mfd/stmpe.c40
1 files changed, 28 insertions, 12 deletions
diff --git a/drivers/mfd/stmpe.c b/drivers/mfd/stmpe.c
index fb8f9e8b75df..94c7cc02fdab 100644
--- a/drivers/mfd/stmpe.c
+++ b/drivers/mfd/stmpe.c
@@ -23,6 +23,27 @@
#include <linux/regulator/consumer.h>
#include "stmpe.h"
+/**
+ * struct stmpe_platform_data - STMPE platform data
+ * @id: device id to distinguish between multiple STMPEs on the same board
+ * @blocks: bitmask of blocks to enable (use STMPE_BLOCK_*)
+ * @irq_trigger: IRQ trigger to use for the interrupt to the host
+ * @autosleep: bool to enable/disable stmpe autosleep
+ * @autosleep_timeout: inactivity timeout in milliseconds for autosleep
+ * @irq_over_gpio: true if gpio is used to get irq
+ * @irq_gpio: gpio number over which irq will be requested (significant only if
+ * irq_over_gpio is true)
+ */
+struct stmpe_platform_data {
+ int id;
+ unsigned int blocks;
+ unsigned int irq_trigger;
+ bool autosleep;
+ bool irq_over_gpio;
+ int irq_gpio;
+ int autosleep_timeout;
+};
+
static int __stmpe_enable(struct stmpe *stmpe, unsigned int blocks)
{
return stmpe->variant->enable(stmpe, blocks, true);
@@ -1187,24 +1208,19 @@ static void stmpe_of_probe(struct stmpe_platform_data *pdata,
/* Called from client specific probe routines */
int stmpe_probe(struct stmpe_client_info *ci, enum stmpe_partnum partnum)
{
- struct stmpe_platform_data *pdata = dev_get_platdata(ci->dev);
+ struct stmpe_platform_data *pdata;
struct device_node *np = ci->dev->of_node;
struct stmpe *stmpe;
int ret;
- if (!pdata) {
- if (!np)
- return -EINVAL;
-
- pdata = devm_kzalloc(ci->dev, sizeof(*pdata), GFP_KERNEL);
- if (!pdata)
- return -ENOMEM;
+ pdata = devm_kzalloc(ci->dev, sizeof(*pdata), GFP_KERNEL);
+ if (!pdata)
+ return -ENOMEM;
- stmpe_of_probe(pdata, np);
+ stmpe_of_probe(pdata, np);
- if (of_find_property(np, "interrupts", NULL) == NULL)
- ci->irq = -1;
- }
+ if (of_find_property(np, "interrupts", NULL) == NULL)
+ ci->irq = -1;
stmpe = devm_kzalloc(ci->dev, sizeof(struct stmpe), GFP_KERNEL);
if (!stmpe)