[RFC 3/4] Input: edt-ft5x06 - Add support for FT5506

fcooper
2015-10-07T12:24:23Z

From: Franklin S Cooper Jr <fcooper@ti.com>

FT5506 is essentially the same as other FT5x06 devices other than
supporting 10 support points.

Signed-off-by: Franklin S Cooper Jr <fcooper@ti.com>
---
Documentation/devicetree/bindings/input/touchscreen/edt-ft5x06.txt | 2 ++
drivers/input/touchscreen/edt-ft5x06.c | 7 ++++++-
2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/input/touchscreen/edt-ft5x06.txt b/Documentation/devicetree/bindings/input/touchscreen/edt-ft5x06.txt
index bedd7dd..f99528d 100644
--- a/Documentation/devicetree/bindings/input/touchscreen/edt-ft5x06.txt
+++ b/Documentation/devicetree/bindings/input/touchscreen/edt-ft5x06.txt
@@ -5,6 +5,7 @@ There are 3 variants of the chip for various touch panel sizes
FT5206GE1 2.8" .. 3.8"
FT5306DE4 4.3" .. 7"
FT5406EE8 7" .. 8.9"
+FT5506EEG 7" .. 8.9"

The software interface is identical for all those chips, so that
currently there is no need for the driver to distinguish between the
@@ -17,6 +18,7 @@ Required properties:
- compatible: "edt,edt-ft5206"
or: "edt,edt-ft5306"
or: "edt,edt-ft5406"
+ or: "edt,edt-ft5506"

- reg: I2C slave address of the chip (0x38)
- interrupt-parent: a phandle pointing to the interrupt controller
diff --git a/drivers/input/touchscreen/edt-ft5x06.c b/drivers/input/touchscreen/edt-ft5x06.c
index 8031152..752da69 100644
--- a/drivers/input/touchscreen/edt-ft5x06.c
+++ b/drivers/input/touchscreen/edt-ft5x06.c
@@ -172,7 +172,7 @@ static irqreturn_t edt_ft5x06_ts_isr(int irq, void *dev_id)
struct edt_ft5x06_ts_data *tsdata = dev_id;
struct device *dev = &tsdata->client->dev;
u8 cmd;
- u8 rdbuf[29];
+ u8 rdbuf[59];
int i, type, x, y, id;
int offset, tplen, datalen;
int error;
@@ -1073,6 +1073,10 @@ MODULE_DEVICE_TABLE(i2c, edt_ft5x06_ts_id);

#ifdef CONFIG_OF

+static const struct edt_i2c_chip_data edt_ft5506_data = {
+ .max_support_points = 10,
+};
+
static const struct edt_i2c_chip_data edt_ft5x06_data = {
.max_support_points = 5,
};
@@ -1081,6 +1085,7 @@ static const struct of_device_id edt_ft5x06_of_match[] = {
{ .compatible = "edt,edt-ft5206", .data = &edt_ft5x06_data},
{ .compatible = "edt,edt-ft5306", .data = &edt_ft5x06_data},
{ .compatible = "edt,edt-ft5406", .data = &edt_ft5x06_data},
+ { .compatible = "edt,edt-ft5506", .data = &edt_ft5506_data},
{ /* sentinel */ }
};
MODULE_DEVICE_TABLE(of, edt_ft5x06_of_match);
--
2.6.1