build/patch/kernel/archive/sunxi-5.15/patches.megous/arm64-dts-sun50i-h5-orangepi-pc2-Add-CPUX-regulator-enable-cpuf.patch

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From b8ad37db926ba046bb6a56170679e66d14ea1664 Mon Sep 17 00:00:00 2001
From: Ondrej Jirman <megous@megous.com>
Date: Thu, 30 Mar 2017 13:01:10 +0200
Subject: [PATCH 123/478] arm64: dts: sun50i-h5-orangepi-pc2: Add CPUX
regulator, enable cpufreq
Orange Pi PC2 features sy8106a regulator just like Orange Pi PC.
Signed-off-by: Ondrej Jirman <megous@megous.com>
---
.../dts/allwinner/sun50i-h5-orangepi-pc2.dts | 30 +++++++++++++++++++
1 file changed, 30 insertions(+)
diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h5-orangepi-pc2.dts b/arch/arm64/boot/dts/allwinner/sun50i-h5-orangepi-pc2.dts
index 1010c1b22d2e..5244278ff00e 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-h5-orangepi-pc2.dts
+++ b/arch/arm64/boot/dts/allwinner/sun50i-h5-orangepi-pc2.dts
@@ -3,6 +3,7 @@
/dts-v1/;
#include "sun50i-h5.dtsi"
+#include "sun50i-h5-cpu-opp.dtsi"
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/input/input.h>
@@ -86,6 +87,10 @@ reg_usb0_vbus: usb0-vbus {
};
};
+&cpu0 {
+ cpu-supply = <&reg_vdd_cpux>;
+};
+
&codec {
allwinner,audio-routing =
"Line Out", "LINEOUT",
@@ -201,6 +206,31 @@ flash@0 {
};
};
+&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 = <1400000>;
+ regulator-ramp-delay = <200>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+};
+
&uart0 {
pinctrl-names = "default";
pinctrl-0 = <&uart0_pa_pins>;
--
2.35.3