[C57][DTS][C57-31] Add RTC PCF2123 support

arch/arm64/boot/dts/seco/seco-imx8qxp-c57.dts

@@ -104,7 +104,7 @@
                         enable-active-high;
                         startup-delay-us = <1000>;
                 };
-        
+
         reg_usb1_pwr_en: usb1_pwr_en {
                         compatible = "regulator-fixed";
                         regulator-name = "reg_usb1_pwr_en";
@@ -424,6 +424,15 @@
             >;
         };
 
+        pinctrl_spi2: spi2grp {
+            fsl,pins = <
+                IMX8QXP_SPI2_SCK_ADMA_SPI2_SCK		    0x06000040
+                IMX8QXP_SPI2_SDO_ADMA_SPI2_SDO		    0x06000040
+                IMX8QXP_SPI2_SDI_ADMA_SPI2_SDI		    0x06000040
+                IMX8QXP_SPI2_CS0_LSIO_GPIO1_IO00	    0x00000021
+            >;
+        };
+
         pinctrl_usdhc1_100mhz: usdhc1grp100mhz {
             fsl,pins = <
                 IMX8QXP_EMMC0_CLK_CONN_EMMC0_CLK		0x06000041
@@ -534,6 +543,26 @@ gpio4: &lsio_gpio4 {
     status = "okay";
 };
 
+&lpspi2 {
+    fsl,spi-num-chipselects = <1>;
+    cs-gpios = <&gpio1 0 GPIO_ACTIVE_HIGH>;
+    pinctrl-names = "default";
+    pinctrl-0 = <&pinctrl_spi2>;
+    #address-cells = <1>;
+    #size-cells = <0>;
+    status = "okay";
+
+    rtc_pcf2123: pcf2123@0 {
+        compatible = "nxp,rtc-pcf2123";
+        reg = <0>;
+        #address-cells = <1>;
+        #size-cells = <1>;
+        spi-max-frequency = <1000000>;
+        spi-cs-high;
+        status = "okay";
+    };
+};
+
 /*Fec shared same reset gpio*/
 &fec1 {
     status = "okay";
@@ -665,7 +694,7 @@ gpio4: &lsio_gpio4 {
     status = "okay";
 };
 
-&usbotg1 {  
+&usbotg1 {
     srp-disable;
     hnp-disable;
     adp-disable;
@@ -725,7 +754,7 @@ gpio4: &lsio_gpio4 {
 };
 
 &usbotg3_cdns3 {
-    dr_mode = "host";    
+    dr_mode = "host";
     status = "okay";
 };