build/patch/kernel/archive/sunxi-5.15/patches.armbian/arm-dts-h3-orangepi-2-Add-regulator-vdd-cpu.patch

60 lines
1.5 KiB
Diff

From fe15516466ced5e9aa71d71b44134833cab19ac4 Mon Sep 17 00:00:00 2001
From: The-going <48602507+The-going@users.noreply.github.com>
Date: Mon, 24 Jan 2022 18:23:18 +0300
Subject: [PATCH 083/101] arm:dts: h3-orangepi-2 Add regulator vdd cpu
---
arch/arm/boot/dts/sun8i-h3-orangepi-2.dts | 29 +++++++++++++++++++++++
1 file changed, 29 insertions(+)
diff --git a/arch/arm/boot/dts/sun8i-h3-orangepi-2.dts b/arch/arm/boot/dts/sun8i-h3-orangepi-2.dts
index 0347b763a..fcecfa037 100644
--- a/arch/arm/boot/dts/sun8i-h3-orangepi-2.dts
+++ b/arch/arm/boot/dts/sun8i-h3-orangepi-2.dts
@@ -123,6 +123,10 @@ &de {
status = "okay";
};
+&cpu0 {
+ cpu-supply = <&reg_vdd_cpux>;
+};
+
&ehci1 {
status = "okay";
};
@@ -177,6 +181,31 @@ rtl8189: sdio_wifi@1 {
};
};
+&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;
+ };
+};
+
&reg_usb1_vbus {
gpio = <&pio 6 13 GPIO_ACTIVE_HIGH>;
status = "okay";
--
2.31.1