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--- aml-s905x-cc [2023/11/02 15:01] – [PPS] 69.53.43.57
+++ aml-s905x-cc [2024/11/14 02:30] (current) – external edit 127.0.0.1
@@ Line 1: / Line 1: @@
 ====== Libre Computer Le Potato AML-S905X-CC ======
+Pretty much everything here should apply to the v2, as well.
-===== PPS =====
+Pinout:
+https://docs.google.com/spreadsheets/d/1U3z0Gb8HUEfCIMkvqzmhMpJfzRqjPXq7mFLC-hvbKlE/edit#gid=0
-<file c pps_pin13.dts>
+==== TimePotato ====
+Pretty much everything here is standard, the main difference is loading the overlays for UART, RTC, and PPS. RTC and PPS must be manually compiled.
+==== RV-3032-C7 ====
+<file c i2c-ao-rv3032.dts>
 /dts-v1/;
 /plugin/;
@@ Line 10: / Line 18: @@
 	compatible = "libretech,cc", "amlogic,s905x", "amlogic,meson-gxl";
-	fragment@0 {
+	fragment@1 {
-		target-path = "/";
+		target = <&i2c_AO>;
 		__overlay__ {
-			pps_gpio: pps-gpio {
+			rtc@52 {
-				compatible = "pps-gpio";
+				compatible = "microcrystal,rv3032";
-				interrupt-parent = <&gpio_intc>;
+				reg = <0x51>;
-				interrupts = <98 1>;
-				assert-rising-edge;
-				status = "okay";
 			};
 		};
@@ Line 24: / Line 30: @@
 };
 </file>
+==== PPS Pin 7 ====
+<file c pps_pin7.dts>
+/dts-v1/;
+/plugin/;
+/ {
+  compatible = "libretech,cc", "amlogic,s905x", "amlogic,meson-gxl";
+  fragment@0 {
+    target-path = "/";
+    __overlay__ {
+      pps_gpio: pps-gpio {
+        compatible = "pps-gpio";
+        gpios = <&gpio 98 0>;
+        interrupt-parent = <&gpio_intc>;
+        interrupts = <98 1>;
+        assert-rising-edge;
+        status = "okay";
+      };
+    };
+  };
+};
+</file>
+==== Build & Merge ====
+<code>
+dtc -I dts -O dtb pps_pin7.dts -o pps-pin7.dtbo ;
+dtc -I dts -O dtb i2c-ao-rv3032.dts -o i2c-ao-rv3032.dtbo
+</code>
+copy:
+<code>sudo cp *.dtbo \
+/opt/librecomputer/libretech-wiring-tool/libre-computer/aml-s905x-cc-v2/dt/.</code>
+merge:
+<code>
+sudo ldto merge i2c-ao ;
+sudo ldto merge uart-a ;
+sudo ldto merge i2c-ao-rv3032 ;
+sudo ldto merge pps-pin7 ;
+sudo reboot
+</code>
+Disable the SW RTC
+<code>
+echo "blacklist rtc_meson_vrtc" | sudo tee -a /etc/modules >/dev/null
+</code>

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