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--- aml-s905x-cc [2024/03/22 15:47] – admin
+++ 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 Pin 7 =====
+Pinout:
-<file c pps_pin7.dts>
+https://docs.google.com/spreadsheets/d/1U3z0Gb8HUEfCIMkvqzmhMpJfzRqjPXq7mFLC-hvbKlE/edit#gid=0
+==== 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/;
 / {
-        compatible = "libretech,cc", "amlogic,s905x", "amlogic,meson-gxl";
+	compatible = "libretech,cc", "amlogic,s905x", "amlogic,meson-gxl";
-        fragment@0 {
+	fragment@1 {
-                target-path = "/";
+		target = <&i2c_AO>;
-                __overlay__ {
-                        pps_gpio: pps-gpio {
+		__overlay__ {
-                                compatible = "pps-gpio";
+			rtc@52 {
-                                gpios = <&gpio 98 0>;
+				compatible = "microcrystal,rv3032";
-                                interrupt-parent = <&gpio_intc>;
+				reg = <0x51>;
-                                interrupts = <98 1>;
+			};
-                                assert-rising-edge;
+		};
-                                status = "okay";
+	};
-                        };
-                };
-        };
 };
 </file>
-===== PPS (OLD) =====
-<file c pps_pin13.dts>
+==== PPS Pin 7 ====
+<file c pps_pin7.dts>
 /dts-v1/;
 /plugin/;
@@ Line 50: / Line 57: @@
 </file>
-build with
+==== Build & Merge ====
 <code>
-dtc -I dts -O dtb pps_pin13.dts -o pps-pin13.dtbo
+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 pps_pin13.dtbo \
+<code>sudo cp *.dtbo \
-/opt/librecomputer/libretech-wiring-tool/libre-computer/aml-s905x-cc-v2/dt/</code>
+/opt/librecomputer/libretech-wiring-tool/libre-computer/aml-s905x-cc-v2/dt/.</code>
 merge:
 <code>
-sudo ldto merge pps-pin13
+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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