[PATCH 14/22] arm/am33xx: add TSC/ADC mfd device support

[Sebastian Andrzej Siewior]

From: "Patil, Rachna" <rachna@xxxxxx>

Add support for core multifunctional device along
with its clients touchscreen and ADC.

[ panto@xxxxxxxxxxxxxxxxxxxxxxx : make sure status is
	set to 'disabled' in dtsi file. ]

Signed-off-by: Pantelis Antoniou <panto@xxxxxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Patil, Rachna <rachna@xxxxxx>
Signed-off-by: Felipe Balbi <balbi@xxxxxx>
[bigeasy: add 'status = "okay"']
Signed-off-by: Sebastian Andrzej Siewior <sebastian@xxxxxxxxxxxxx>
---
 arch/arm/boot/dts/am335x-evm.dts |   14 ++++++++++++++
 arch/arm/boot/dts/am33xx.dtsi    |   18 ++++++++++++++++++
 2 files changed, 32 insertions(+)

diff --git a/arch/arm/boot/dts/am335x-evm.dts b/arch/arm/boot/dts/am335x-evm.dts
index 0423298..26fea97 100644
--- a/arch/arm/boot/dts/am335x-evm.dts
+++ b/arch/arm/boot/dts/am335x-evm.dts
@@ -244,3 +244,17 @@
 &cpsw_emac1 {
 	phy_id = <&davinci_mdio>, <1>;
 };
+
+&tscadc {
+	status = "okay";
+	tsc {
+		ti,wires = <4>;
+		ti,x-plate-resistance = <200>;
+		ti,coordiante-readouts = <5>;
+		ti,wire-config = <0x00 0x11 0x22 0x33>;
+	};
+
+	adc {
+		ti,adc-channels = <4>;
+	};
+};
diff --git a/arch/arm/boot/dts/am33xx.dtsi b/arch/arm/boot/dts/am33xx.dtsi
index 1460d9b..4ad7797 100644
--- a/arch/arm/boot/dts/am33xx.dtsi
+++ b/arch/arm/boot/dts/am33xx.dtsi
@@ -404,6 +404,24 @@
 			ti,hwmods = "wkup_m3";
 		};
 
+		tscadc: tscadc@44e0d000 {
+			compatible = "ti,am3359-tscadc";
+			reg = <0x44e0d000 0x1000>;
+			interrupt-parent = <&intc>;
+			interrupts = <16>;
+			ti,hwmods = "adc_tsc";
+			status = "disabled";
+
+			tsc {
+				compatible = "ti,am3359-tsc";
+			};
+			am335x_adc: adc {
+				#io-channel-cells = <1>;
+				compatible = "ti,am3359-adc";
+			};
+
+		};
+
 		gpmc: gpmc@50000000 {
 			compatible = "ti,am3352-gpmc";
 			ti,hwmods = "gpmc";
-- 
1.7.10.4

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