add central trackball without making any changes to peripheral trackb…

…all code
Cyboard-DigitalTailor · Jan 9, 2025 · ac5fef9 · ac5fef9
1 parent 1e2b0eb
commit ac5fef9
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Showing 4 changed files with 37 additions and 4 deletions.
diff --git a/boards/shields/imprint/Kconfig.defconfig b/boards/shields/imprint/Kconfig.defconfig
@@ -16,10 +16,6 @@ config ZMK_POINTING
 config ZMK_SPLIT
     default y
 
-endif
-
-if SHIELD_IMPRINT_RIGHT
-
 config SPI
     default y
 

diff --git a/boards/shields/imprint/imprint.dtsi b/boards/shields/imprint/imprint.dtsi
@@ -129,4 +129,9 @@ RC(2,6) RC(2,5) RC(2,4) RC(2,3) RC(2,2) RC(2,1)                 RC(9,1)  RC(9,2)
         status = "disabled";
         device = <&trackball_split>;
     };
+
+    trackball_central_listener: trackball_central_listener {
+        compatible = "zmk,input-listener";
+        status = "disabled";
+    };
 };
diff --git a/boards/shields/imprint/imprint_left.conf b/boards/shields/imprint/imprint_left.conf
@@ -0,0 +1,9 @@
+CONFIG_SPI=y
+CONFIG_INPUT=y
+CONFIG_ZMK_MOUSE=y
+CONFIG_PMW3610=y
+# CONFIG_PMW3610_SWAP_XY=y
+# CONFIG_PMW3610_INVERT_X=y
+# CONFIG_PMW3610_INVERT_Y=y
+# CONFIG_PMW3610_REPORT_INTERVAL_MIN=12
+# CONFIG_PMW3610_LOG_LEVEL_DBG=y
diff --git a/boards/shields/imprint/imprint_left.overlay b/boards/shields/imprint/imprint_left.overlay
@@ -14,4 +14,27 @@
 
 &trackball_listener {
     status = "okay";
+};
+
+#include <zephyr/dt-bindings/input/input-event-codes.h>
+&spi1 {
+    cs-gpios = <&gpio0 19 GPIO_ACTIVE_LOW>;
+
+    trackball_central: trackball_central@0 {
+        status = "okay";
+        compatible = "pixart,pmw3610";
+        reg = <0>;
+        spi-max-frequency = <2000000>;
+        irq-gpios = <&gpio0 17 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>;
+        cpi = <600>;
+        evt-type = <INPUT_EV_REL>;
+        x-input-code = <INPUT_REL_X>;
+        y-input-code = <INPUT_REL_Y>;
+    };
+};
+
+// Overrides for the input listener node
+&trackball_central_listener {
+    status = "okay";
+    device = <&trackball_central>;
 };