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Subject[PATCH v2 5/5] input/touchscreen: imagis: add support for IST3032C
Date
From: Karel Balej <karelb@gimli.ms.mff.cuni.cz>

From: Karel Balej <balejk@matfyz.cz>

IST3032C is a touchscreen chip used for instance in the
samsung,coreprimevelte smartphone, with which this was tested. Add the
chip specific information to the driver.

Signed-off-by: Karel Balej <balejk@matfyz.cz>
---
drivers/input/touchscreen/imagis.c | 10 ++++++++++
1 file changed, 10 insertions(+)

diff --git a/drivers/input/touchscreen/imagis.c b/drivers/input/touchscreen/imagis.c
index 84a02672ac47..41f28e6e9cb1 100644
--- a/drivers/input/touchscreen/imagis.c
+++ b/drivers/input/touchscreen/imagis.c
@@ -35,6 +35,8 @@
#define IST3038B_REG_CHIPID 0x30
#define IST3038B_WHOAMI 0x30380b

+#define IST3032C_WHOAMI 0x32c
+
struct imagis_properties {
unsigned int interrupt_msg_cmd;
unsigned int touch_coord_cmd;
@@ -363,6 +365,13 @@ static int imagis_resume(struct device *dev)

static DEFINE_SIMPLE_DEV_PM_OPS(imagis_pm_ops, imagis_suspend, imagis_resume);

+static const struct imagis_properties imagis_3032c_data = {
+ .interrupt_msg_cmd = IST3038C_REG_INTR_MESSAGE,
+ .touch_coord_cmd = IST3038C_REG_TOUCH_COORD,
+ .whoami_cmd = IST3038C_REG_CHIPID,
+ .whoami_val = IST3032C_WHOAMI,
+};
+
static const struct imagis_properties imagis_3038b_data = {
.interrupt_msg_cmd = IST3038B_REG_STATUS,
.touch_coord_cmd = IST3038B_REG_STATUS,
@@ -380,6 +389,7 @@ static const struct imagis_properties imagis_3038c_data = {

#ifdef CONFIG_OF
static const struct of_device_id imagis_of_match[] = {
+ { .compatible = "imagis,ist3032c", .data = &imagis_3032c_data },
{ .compatible = "imagis,ist3038b", .data = &imagis_3038b_data },
{ .compatible = "imagis,ist3038c", .data = &imagis_3038c_data },
{ },
--
2.42.0
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