meta-sunxi/recipes-kernel/linux/linux-mainline/orange-pi-prime/0002-dts-sun50i-h5-orange-pi-prime-add-regulator.patch

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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: The-going <48602507+The-going@users.noreply.github.com>
Date: Mon, 24 Jan 2022 19:34:31 +0300
Subject: arm64:dts: sun50i-h5-orangepi-prime add regulator
---
.../allwinner/sun50i-h5-orangepi-prime.dts | 30 +++++++++++++++++++
1 file changed, 30 insertions(+)
diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h5-orangepi-prime.dts b/arch/arm64/boot/dts/allwinner/sun50i-h5-orangepi-prime.dts
index 998396bc0..6dc6850c1 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-h5-orangepi-prime.dts
+++ b/arch/arm64/boot/dts/allwinner/sun50i-h5-orangepi-prime.dts
@@ -8,6 +8,7 @@
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/input/input.h>
+#include <dt-bindings/pinctrl/sun4i-a10.h>
/ {
model = "Xunlong Orange Pi Prime";
@@ -93,6 +94,10 @@ wifi_pwrseq: wifi_pwrseq {
};
};
+&cpu0 {
+ cpu-supply = <&reg_vdd_cpux>;
+};
+
&codec {
allwinner,audio-routing =
"Line Out", "LINEOUT",
@@ -188,6 +193,31 @@ &ohci3 {
status = "okay";
};
+&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>;
--
2.25.1