NFC: Add snapshot of NQxxx NFC driver

Add the latest version of NQxxx NFC driver from
'commit c0fe29227d2d ("NFC: Fix interrupt state")'

Updating latest NFC driver to avoid known issues.

Change-Id: I5325a1309720305232ee0ecd37e127a21b100f50
Signed-off-by: Gaurav Singhal <[email protected]>

Author: Gaurav Singhal

Documentation/devicetree/bindings/nfc/nq-nci.txt

@@ -8,6 +8,8 @@ Required properties:
 - reg: NCI i2c slave address.
 - qcom,nq-ven: specific gpio for hardware reset.
 - qcom,nq-irq: specific gpio for read interrupt.
+- qcom,nq-firm: gpio for firmware download.
+- qcom,nq-clkreq: gpio for clock.
 - interrupt-parent: Should be phandle for the interrupt controller
                     that services interrupts for this device.
 - interrupts: Nfc read interrupt,gpio-clk-req interrupt
@@ -22,22 +24,24 @@ Optional properties:
 
 - pinctrl-names, pinctrl-0, pincntrl-1: references to our pincntrl settings
 - clocks, clock-names: must contain the NQxxxx's core clock.
+- qcom,nq-esepwr: gpio to control power of secure element.
 
 Example:
 
 	nq-nci@2b {
 		compatible = "qcom,nq-nci";
 		reg = <0x2b>;
-		qcom,irq-gpio = <&msm_gpio 29 0x00>;
-		qcom,en-gpio = <&msm_gpio 30 0x00>;
+		qcom,nq-irq = <&msm_gpio 29 0x00>;
+		qcom,nq-ven = <&msm_gpio 30 0x00>;
+		qcom,nq-clkreq = <&pm8916_gpios 2 0>;
+		qcom,nq-firm = <&msm_gpio 16 0x00>;
 		qcom,clk-src = "BBCLK2";
 		interrupt-parent = <&msm_gpio>;
 		interrupts = <29 0>;
 		interrupt-names = "nfc_irq";
 		pinctrl-names = "nfc_active","nfc_suspend";
 		pinctrl-0 = <&nfc_int_active &nfc_disable_active>;
 		pinctrl-1 = <&nfc_int_suspend &nfc_disable_suspend>;
-		qcom,clk-gpio = <&pm8916_gpios 2 0>;
 		clocks = <&clock_rpm clk_bb_clk2_pin>;
 		clock-names = "ref_clk";
 	};