rockchip

2025-04-28 11:36:59 +08:00
commit 5dd7a8972b
945 changed files with 332963 additions and 0 deletions
--- a/rk3399/rp-adc-key.dtsi
+++ b/rk3399/rp-adc-key.dtsi
@@ -0,0 +1,53 @@
+/ {
+
+
+    vccadc_ref: vccadc-ref {
+        compatible = "regulator-fixed";
+        regulator-name = "vcc1v8_sys";
+        regulator-always-on;
+        regulator-boot-on;
+        regulator-min-microvolt = <1800000>;
+        regulator-max-microvolt = <1800000>;
+    };
+
+    adc_keys:adc-keys {
+        status = "okay";
+        compatible = "adc-keys";
+        io-channels = <&saradc 1>;
+        io-channel-names = "buttons";
+        poll-interval = <100>;
+        keyup-threshold-microvolt = <1800000>;
+
+        button-up {
+            label = "Volume Up";
+            linux,code = <KEY_VOLUMEUP>;
+            press-threshold-microvolt = <20000>;
+        };
+
+        button-down {
+            label = "Volume Down";
+            linux,code = <KEY_VOLUMEDOWN>;
+            press-threshold-microvolt = <300000>;
+        };
+
+        back {
+            label = "Back";
+            linux,code = <KEY_BACK>;
+            press-threshold-microvolt = <985000>;
+        };
+
+        menu {
+            label = "Menu";
+            linux,code = <KEY_MENU>;
+            press-threshold-microvolt = <1314000>;
+        };
+    };
+    
+};
+
+
+    
+&saradc {
+        status = "okay";
+        vref-supply = <&vcca1v8_s3>;
+    };