ARM: dts: am43xx-epos-evm: Add default pinmux for unused pins

Give unused pins a power-friendly default pinmux setting.
Signed-off-by: NAndrew F. Davis <afd@ti.com>
Signed-off-by: NTony Lindgren <tony@atomide.com>

arch/arm/boot/dts/am43x-epos-evm.dts

@@ -148,6 +148,43 @@
 };
 
 &am43xx_pinmux {
+		pinctrl-names = "default";
+		pinctrl-0 = <&unused_pins>;
+
+		unused_pins: unused_pins {
+			pinctrl-single,pins = <
+				AM4372_IOPAD(0x848, DS0_PIN_OUTPUT_PULLUP | PIN_OUTPUT_PULLUP | MUX_MODE7)
+				AM4372_IOPAD(0x850, DS0_PIN_INPUT | PIN_INPUT_PULLDOWN | MUX_MODE7)
+				AM4372_IOPAD(0x858, DS0_PIN_INPUT | PIN_INPUT_PULLDOWN | MUX_MODE7)
+				AM4372_IOPAD(0x860, DS0_PIN_INPUT | PIN_INPUT_PULLDOWN | MUX_MODE7)
+				AM4372_IOPAD(0x864, DS0_PIN_INPUT | PIN_INPUT_PULLDOWN | MUX_MODE7)
+				AM4372_IOPAD(0x868, DS0_PIN_INPUT | PIN_INPUT_PULLDOWN | MUX_MODE7)
+				AM4372_IOPAD(0x86c, DS0_PIN_INPUT | PIN_INPUT_PULLDOWN | MUX_MODE7)
+				AM4372_IOPAD(0x878, DS0_PIN_OUTPUT_PULLUP | PIN_OUTPUT_PULLUP | MUX_MODE7)
+				AM4372_IOPAD(0x908, DS0_PIN_INPUT_PULLDOWN | PIN_INPUT_PULLDOWN | MUX_MODE7)
+				AM4372_IOPAD(0x91c, DS0_PIN_OUTPUT_PULLDOWN | PIN_OUTPUT_PULLDOWN | MUX_MODE7)
+				AM4372_IOPAD(0x920, DS0_PIN_INPUT | PIN_INPUT_PULLDOWN | MUX_MODE7)
+				AM4372_IOPAD(0x9e0, DS0_PIN_INPUT_PULLDOWN | PIN_INPUT_PULLDOWN | MUX_MODE7)
+				AM4372_IOPAD(0xA0c, DS0_PIN_OUTPUT_PULLDOWN | PIN_OUTPUT_PULLDOWN | MUX_MODE7)
+				AM4372_IOPAD(0xA38, DS0_PIN_INPUT | PIN_INPUT_PULLDOWN | MUX_MODE7)
+				AM4372_IOPAD(0xA3c, DS0_PIN_INPUT | PIN_INPUT_PULLDOWN | MUX_MODE7)
+				AM4372_IOPAD(0xA40, DS0_PIN_INPUT | PIN_INPUT_PULLDOWN | MUX_MODE7)
+				AM4372_IOPAD(0xA44, DS0_PIN_INPUT | PIN_INPUT_PULLDOWN | MUX_MODE7)
+				AM4372_IOPAD(0xA48, DS0_PIN_INPUT | PIN_INPUT_PULLDOWN | MUX_MODE7)
+				AM4372_IOPAD(0xA4c, DS0_PIN_INPUT | PIN_INPUT_PULLDOWN | MUX_MODE7)
+				AM4372_IOPAD(0xA50, DS0_PIN_INPUT | PIN_INPUT_PULLDOWN | MUX_MODE7)
+				AM4372_IOPAD(0xA54, DS0_PIN_INPUT | PIN_INPUT_PULLDOWN | MUX_MODE7)
+				AM4372_IOPAD(0xA58, DS0_PIN_INPUT | PIN_INPUT_PULLDOWN | MUX_MODE7)
+				AM4372_IOPAD(0xA5c, DS0_PIN_INPUT | PIN_INPUT_PULLDOWN | MUX_MODE7)
+				AM4372_IOPAD(0xA60, DS0_PIN_INPUT | PIN_INPUT_PULLDOWN | MUX_MODE7)
+				AM4372_IOPAD(0xA64, DS0_PIN_OUTPUT_PULLUP | PIN_OUTPUT_PULLUP | MUX_MODE7)
+				AM4372_IOPAD(0xA68, DS0_PIN_INPUT | PIN_INPUT_PULLDOWN | MUX_MODE7)
+				AM4372_IOPAD(0xA6C, DS0_PIN_INPUT | PIN_INPUT_PULLDOWN | MUX_MODE7)
+				AM4372_IOPAD(0xA74, DS0_PIN_INPUT_PULLDOWN | PIN_INPUT_PULLDOWN | MUX_MODE7)
+				AM4372_IOPAD(0xA78, DS0_PIN_INPUT | PIN_INPUT_PULLDOWN | MUX_MODE7)
+			>;
+		};
+
 		cpsw_default: cpsw_default {
 			pinctrl-single,pins = <
 				/* Slave 1 */