linux-kernel - [PATCH v2 4/4] arm64: dts: allwinner: a523: Add power controller device nodes

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Message-Id: <20250709155343.3765227-5-wens@kernel.org>
Date: Wed,  9 Jul 2025 23:53:43 +0800
From: Chen-Yu Tsai <wens@...nel.org>
To: Chen-Yu Tsai <wens@...e.org>,
	Jernej Skrabec <jernej@...nel.org>,
	Samuel Holland <samuel@...lland.org>,
	Ulf Hansson <ulf.hansson@...aro.org>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>
Cc: linux-sunxi@...ts.linux.dev,
	devicetree@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	linux-pm@...r.kernel.org,
	Andre Przywara <andre.przywara@....com>
Subject: [PATCH v2 4/4] arm64: dts: allwinner: a523: Add power controller device nodes

From: Chen-Yu Tsai <wens@...e.org>

The A523 SoC family has two power controllers, one based on the existing
PPU, and one newer one based on ARM's PCK-600.

Add device nodes for both of them.

Reviewed-by: Andre Przywara <andre.przywara@....com>
Signed-off-by: Chen-Yu Tsai <wens@...e.org>
---
 arch/arm64/boot/dts/allwinner/sun55i-a523.dtsi | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/arch/arm64/boot/dts/allwinner/sun55i-a523.dtsi b/arch/arm64/boot/dts/allwinner/sun55i-a523.dtsi
index cf0bc39aab04..dd6fa22f960f 100644
--- a/arch/arm64/boot/dts/allwinner/sun55i-a523.dtsi
+++ b/arch/arm64/boot/dts/allwinner/sun55i-a523.dtsi
@@ -7,6 +7,8 @@
 #include <dt-bindings/clock/sun55i-a523-r-ccu.h>
 #include <dt-bindings/reset/sun55i-a523-ccu.h>
 #include <dt-bindings/reset/sun55i-a523-r-ccu.h>
+#include <dt-bindings/power/allwinner,sun55i-a523-ppu.h>
+#include <dt-bindings/power/allwinner,sun55i-a523-pck600.h>
 
 / {
 	interrupt-parent = <&gic>;
@@ -576,6 +578,14 @@ mdio0: mdio {
 			};
 		};
 
+		ppu: power-controller@...1400 {
+			compatible = "allwinner,sun55i-a523-ppu";
+			reg = <0x07001400 0x400>;
+			clocks = <&r_ccu CLK_BUS_R_PPU1>;
+			resets = <&r_ccu RST_BUS_R_PPU1>;
+			#power-domain-cells = <1>;
+		};
+
 		r_ccu: clock-controller@...0000 {
 			compatible = "allwinner,sun55i-a523-r-ccu";
 			reg = <0x7010000 0x250>;
@@ -622,6 +632,14 @@ r_i2c_pins: r-i2c-pins {
 			};
 		};
 
+		pck600: power-controller@...0000 {
+			compatible = "allwinner,sun55i-a523-pck-600";
+			reg = <0x07060000 0x8000>;
+			clocks = <&r_ccu CLK_BUS_R_PPU0>;
+			resets = <&r_ccu RST_BUS_R_PPU0>;
+			#power-domain-cells = <1>;
+		};
+
 		r_i2c0: i2c@...1400 {
 			compatible = "allwinner,sun55i-a523-i2c",
 				     "allwinner,sun8i-v536-i2c",
-- 
2.39.5