72 lines
1.9 KiB
Diff
72 lines
1.9 KiB
Diff
From 1c1ecf187cf2b61665510258e8458251db264882 Mon Sep 17 00:00:00 2001
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From: Ondrej Jirman <megous@megous.com>
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Date: Thu, 30 Mar 2017 13:01:10 +0200
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Subject: [PATCH 008/351] arm64: dts: sun50i-h5-orangepi-pc2: Add CPUX
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regulator, enable cpufreq
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Orange Pi PC2 features sy8106a regulator just like Orange Pi PC.
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Signed-off-by: Ondrej Jirman <megous@megous.com>
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---
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.../dts/allwinner/sun50i-h5-orangepi-pc2.dts | 30 +++++++++++++++++++
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1 file changed, 30 insertions(+)
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diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h5-orangepi-pc2.dts b/arch/arm64/boot/dts/allwinner/sun50i-h5-orangepi-pc2.dts
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index 8bf2db9dcbda..20f16fc75097 100644
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--- a/arch/arm64/boot/dts/allwinner/sun50i-h5-orangepi-pc2.dts
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+++ b/arch/arm64/boot/dts/allwinner/sun50i-h5-orangepi-pc2.dts
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@@ -3,6 +3,7 @@
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/dts-v1/;
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#include "sun50i-h5.dtsi"
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+#include "sun50i-h5-cpu-opp.dtsi"
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#include <dt-bindings/gpio/gpio.h>
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#include <dt-bindings/input/input.h>
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@@ -86,6 +87,10 @@ reg_usb0_vbus: usb0-vbus {
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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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@@ -201,6 +206,31 @@ flash@0 {
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};
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};
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+&r_i2c {
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+ status = "okay";
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+
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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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&uart0 {
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pinctrl-names = "default";
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pinctrl-0 = <&uart0_pa_pins>;
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--
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2.34.0
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