[PATCH V4 2/2] ARM: davinci: da850: add tps6507x touchscreen DT data

[Manish Badarkhe]

Add tps6507x touchscreen DT node to da850-evm.
Touchscreen DT data is added as per da850 board file.

Signed-off-by: Manish Badarkhe <badarkhe.manish@xxxxxxxxx>
---
Changes since V3:
 - Removed vref property.

Changes since V2:
 - Updated tps6507x documentation.
 - Removed unnecessary code.

Changes since V1:
 - Updated tps6507x documentation.
 - Updated commit message.
 - return proper error value in absence platform and DT data
   for touchscreen.

:100644 100644 588ce58... 5a35264... M	arch/arm/boot/dts/da850-evm.dts
 arch/arm/boot/dts/da850-evm.dts |    8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/arch/arm/boot/dts/da850-evm.dts b/arch/arm/boot/dts/da850-evm.dts
index 588ce58..5a35264 100644
--- a/arch/arm/boot/dts/da850-evm.dts
+++ b/arch/arm/boot/dts/da850-evm.dts
@@ -166,4 +166,12 @@
 			regulator-boot-on;
 		};
 	};
+
+	tsc {
+		ti,poll-period = <30>;
+		ti,min-pressure = <0x30>;
+		ti,vendor = <0>;
+		ti,product = <65070>;
+		ti,version = <0x100>;
+	};
 };
-- 
1.7.10.4

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