初始化奇妙小屏幕控制器项目

2026-09-08 22:56:52 +08:00
commit 8d368de3b5
491 changed files with 67678 additions and 0 deletions
@@ -0,0 +1,26 @@
+From: Matrix Screen Controller maintainers
+Subject: [PATCH] arm64: dts: walnutpi: keep AXP313A DLDO1 at boot voltage
+
+The WalnutPi U-Boot board description keeps DLDO1 enabled at 3.3V for
+VCC-IO.  Describe that rail as always-on after switching the Linux PMIC
+binding to AXP313A so regulator cleanup cannot disable it as unused.
+
+---
+ arch/arm64/boot/dts/allwinner/sun50i-h616-walnutpi-1b.dts | 7 +++++++
+ 1 file changed, 7 insertions(+)
+
+diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h616-walnutpi-1b.dts b/arch/arm64/boot/dts/allwinner/sun50i-h616-walnutpi-1b.dts
+--- a/arch/arm64/boot/dts/allwinner/sun50i-h616-walnutpi-1b.dts
+++ b/arch/arm64/boot/dts/allwinner/sun50i-h616-walnutpi-1b.dts
+@@ -328 +328,8 @@
+			reg_dldo1: dldo1 {
+				regulator-always-on;
+				regulator-min-microvolt = <3300000>;
+				regulator-max-microvolt = <3300000>;
+				regulator-name = "vcc3v3";
+			};
+
+-			reg_dcdc2: dcdc2 {
+			reg_dcdc2: dcdc2 {
+-- 
+2.39.2