ARM: dts: am33xx: Add nodes for eQEP

This adds new nodes for the Texas Instruments Enhanced Quadrature
Encoder Pulse (eQEP) module in the PWM subsystem on AM33XX.

Signed-off-by: David Lechner <[e-mail]>
Signed-off-by: Tony Lindgren <[e-mail]>

arch/arm/boot/dts/am33xx-l4.dtsi

···
 					status = "disabled";
 				};
 
+				eqep0: counter@180 {
+					compatible = "ti,am3352-eqep";
+					reg = <0x180 0x80>;
+					clocks = <&l4ls_gclk>;
+					clock-names = "sysclkout";
+					interrupts = <79>;
+					status = "disabled";
+				};
+
 				ehrpwm0: pwm@200 {
 					compatible = "ti,am3352-ehrpwm",
 						     "ti,am33xx-ehrpwm";
···
 					status = "disabled";
 				};
 
+				eqep1: counter@180 {
+					compatible = "ti,am3352-eqep";
+					reg = <0x180 0x80>;
+					clocks = <&l4ls_gclk>;
+					clock-names = "sysclkout";
+					interrupts = <88>;
+					status = "disabled";
+				};
+
 				ehrpwm1: pwm@200 {
 					compatible = "ti,am3352-ehrpwm",
 						     "ti,am33xx-ehrpwm";
···
 					clock-names = "fck";
 					interrupts = <61>;
 					interrupt-names = "ecap2";
+					status = "disabled";
+				};
+
+				eqep2: counter@180 {
+					compatible = "ti,am3352-eqep";
+					reg = <0x180 0x80>;
+					clocks = <&l4ls_gclk>;
+					clock-names = "sysclkout";
+					interrupts = <89>;
 					status = "disabled";
 				};