48 lines
1.2 KiB
Diff
48 lines
1.2 KiB
Diff
diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h5-nanopi-k1-plus.dts b/arch/arm64/boot/dts/allwinner/sun50i-h5-nanopi-k1-plus.dts
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index 10d567ea7..726d76b47 100644
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--- a/arch/arm64/boot/dts/allwinner/sun50i-h5-nanopi-k1-plus.dts
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+++ b/arch/arm64/boot/dts/allwinner/sun50i-h5-nanopi-k1-plus.dts
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@@ -152,6 +152,10 @@
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};
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};
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+&cpu0 {
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+ cpu-supply = <®_vdd_cpux>;
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+};
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+
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&codec {
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allwinner,audio-routing =
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"Line Out", "LINEOUT",
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@@ -301,6 +305,31 @@
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status = "okay";
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};
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+
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+&r_i2c {
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+ status = "okay";
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+ reg_vdd_cpux: regulator@65 {
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+ compatible = "silergy,sy8106a";
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+ reg = <0x65>;
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+ regulator-name = "vdd-cpux";
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+ silergy,fixed-microvolt = <1200000>;
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+ /*
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+ * The datasheet uses 1.1V as the minimum value of VDD-CPUX,
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+ * however both the Armbian DVFS table and the official one
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+ * have operating points with voltage under 1.1V, and both
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+ * DVFS table are known to work properly at the lowest
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+ * operating point.
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+ *
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+ * Use 1.0V as the minimum voltage instead.
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+ */
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+ regulator-min-microvolt = <1000000>;
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+ regulator-max-microvolt = <1400000>;
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+ regulator-ramp-delay = <200>;
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+ regulator-boot-on;
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+ regulator-always-on;
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+ };
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+};
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+
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&spi0 {
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status = "okay";
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spi-flash@0 {
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