ARM: dts: am43xx-epos-evm: Add sleep pinmux for spi0 and spi1

Add sleep pinmux for spi0 and spi1.
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

@@ -232,7 +232,7 @@
 			>;
 		};
 
-		spi0_pins: pinmux_spi0_pins {
+		spi0_pins_default: pinmux_spi0_pins_default {
 			pinctrl-single,pins = <
 				AM4372_IOPAD(0x950, PIN_INPUT | MUX_MODE0)           /* spi0_clk.spi0_clk */
 				AM4372_IOPAD(0x954, PIN_OUTPUT | MUX_MODE0)           /* spi0_d0.spi0_d0 */
@@ -241,7 +241,16 @@
 			>;
 		};
 
-		spi1_pins: pinmux_spi1_pins {
+		spi0_pins_sleep: pinmux_spi0_pins_sleep {
+			pinctrl-single,pins = <
+				AM4372_IOPAD(0x950, DS0_PIN_OUTPUT_PULLUP | PIN_OUTPUT_PULLUP | MUX_MODE7)
+				AM4372_IOPAD(0x954, DS0_PIN_OUTPUT_PULLUP | PIN_OUTPUT_PULLUP | MUX_MODE7)
+				AM4372_IOPAD(0x958, DS0_PIN_OUTPUT_PULLUP | PIN_OUTPUT_PULLUP | MUX_MODE7)
+				AM4372_IOPAD(0x95c, DS0_PIN_OUTPUT_PULLUP | PIN_OUTPUT_PULLUP | MUX_MODE7)
+			>;
+		};
+
+		spi1_pins_default: pinmux_spi1_pins_default {
 			pinctrl-single,pins = <
 				AM4372_IOPAD(0x990, PIN_INPUT | MUX_MODE3)           /* mcasp0_aclkx.spi1_clk */
 				AM4372_IOPAD(0x994, PIN_OUTPUT | MUX_MODE3)           /* mcasp0_fsx.spi1_d0 */
@@ -250,6 +259,15 @@
 			>;
 		};
 
+		spi1_pins_sleep: pinmux_spi1_pins_sleep {
+			pinctrl-single,pins = <
+				AM4372_IOPAD(0x990, DS0_PIN_OUTPUT_PULLDOWN | PIN_OUTPUT_PULLDOWN | MUX_MODE7)
+				AM4372_IOPAD(0x994, DS0_PIN_OUTPUT_PULLDOWN | PIN_OUTPUT_PULLDOWN | MUX_MODE7)
+				AM4372_IOPAD(0x998, DS0_PIN_OUTPUT_PULLDOWN | PIN_OUTPUT_PULLDOWN | MUX_MODE7)
+				AM4372_IOPAD(0x99c, DS0_PIN_OUTPUT_PULLDOWN | PIN_OUTPUT_PULLDOWN | MUX_MODE7)
+			>;
+		};
+
 		mmc1_pins: pinmux_mmc1_pins {
 			pinctrl-single,pins = <
 				AM4372_IOPAD(0x960, PIN_INPUT | MUX_MODE7) /* spi0_cs1.gpio0_6 */
@@ -656,15 +674,17 @@
 };
 
 &spi0 {
-	pinctrl-names = "default";
-	pinctrl-0 = <&spi0_pins>;
 	status = "okay";
+	pinctrl-names = "default", "sleep";
+	pinctrl-0 = <&spi0_pins_default>;
+	pinctrl-1 = <&spi0_pins_sleep>;
 };
 
 &spi1 {
-	pinctrl-names = "default";
-	pinctrl-0 = <&spi1_pins>;
 	status = "okay";
+	pinctrl-names = "default", "sleep";
+	pinctrl-0 = <&spi1_pins_default>;
+	pinctrl-1 = <&spi1_pins_sleep>;
 };
 
 &usb2_phy1 {