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-rw-r--r--dts/src/arm/sun8i-h3-orangepi-pc.dts28
1 files changed, 28 insertions, 0 deletions
diff --git a/dts/src/arm/sun8i-h3-orangepi-pc.dts b/dts/src/arm/sun8i-h3-orangepi-pc.dts
index cea4d64..4624033 100644
--- a/dts/src/arm/sun8i-h3-orangepi-pc.dts
+++ b/dts/src/arm/sun8i-h3-orangepi-pc.dts
@@ -113,6 +113,10 @@
status = "okay";
};
+&cpu0 {
+ cpu-supply = <&reg_vdd_cpux>;
+};
+
&ehci0 {
status = "okay";
};
@@ -182,6 +186,30 @@
};
};
+&r_i2c {
+ status = "okay";
+
+ reg_vdd_cpux: regulator@65 {
+ compatible = "silergy,sy8106a";
+ reg = <0x65>;
+ regulator-name = "vdd-cpux";
+ silergy,fixed-microvolt = <1200000>;
+ /*
+ * The datasheet uses 1.1V as the minimum value of VDD-CPUX,
+ * however both the Armbian DVFS table and the official one
+ * have operating points with voltage under 1.1V, and both
+ * DVFS table are known to work properly at the lowest
+ * operating point.
+ *
+ * Use 1.0V as the minimum voltage instead.
+ */
+ regulator-min-microvolt = <1000000>;
+ regulator-max-microvolt = <1300000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+};
+
&r_pio {
leds_r_opc: led_pins {
pins = "PL10";