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

Message ID 1444220501-23623-4-git-send-email-fcooper@ti.com (mailing list archive)
State Superseded
Headers show

Commit Message

Franklin Cooper Oct. 7, 2015, 12:21 p.m. UTC 
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(-)
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Patch

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);