linux-kernel - [PATCH 10/19] arm64: dts: amlogic: A4: Add PLL controller node

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Message-Id: <20250930-a4_a5_add_clock_driver-v1-10-a9acf7951589@amlogic.com>
Date: Tue, 30 Sep 2025 17:37:23 +0800
From: Chuan Liu via B4 Relay <devnull+chuan.liu.amlogic.com@...nel.org>
To: Michael Turquette <mturquette@...libre.com>, 
 Stephen Boyd <sboyd@...nel.org>, Rob Herring <robh@...nel.org>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, 
 Neil Armstrong <neil.armstrong@...aro.org>, 
 Jerome Brunet <jbrunet@...libre.com>, Kevin Hilman <khilman@...libre.com>, 
 Martin Blumenstingl <martin.blumenstingl@...glemail.com>
Cc: linux-kernel@...r.kernel.org, linux-clk@...r.kernel.org, 
 devicetree@...r.kernel.org, linux-amlogic@...ts.infradead.org, 
 linux-arm-kernel@...ts.infradead.org, 
 Xianwei Zhao <xianwei.zhao@...ogic.com>, Chuan Liu <chuan.liu@...ogic.com>
Subject: [PATCH 10/19] arm64: dts: amlogic: A4: Add PLL controller node

From: Chuan Liu <chuan.liu@...ogic.com>

Add the PLL controller node for A4 SoC family.

Signed-off-by: Chuan Liu <chuan.liu@...ogic.com>
---
 arch/arm64/boot/dts/amlogic/amlogic-a4.dtsi | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/arch/arm64/boot/dts/amlogic/amlogic-a4.dtsi b/arch/arm64/boot/dts/amlogic/amlogic-a4.dtsi
index 75a87f093d8d..aca81e658654 100644
--- a/arch/arm64/boot/dts/amlogic/amlogic-a4.dtsi
+++ b/arch/arm64/boot/dts/amlogic/amlogic-a4.dtsi
@@ -7,6 +7,9 @@
 #include "amlogic-a4-reset.h"
 #include <dt-bindings/power/amlogic,a4-pwrc.h>
 #include <dt-bindings/pinctrl/amlogic,pinctrl.h>
+#include <dt-bindings/clock/amlogic,a4-pll-clkc.h>
+#include <dt-bindings/clock/amlogic,a4-scmi-clkc.h>
+
 / {
 	cpus {
 		#address-cells = <2>;
@@ -198,6 +201,16 @@ gpio_intc: interrupt-controller@...0 {
 			<10 11 12 13 14 15 16 17 18 19 20 21>;
 	};
 
+	clkc_pll: clock-controller@...0 {
+		compatible = "amlogic,a4-pll-clkc";
+		reg = <0x0 0x8000 0x0 0x1a4>;
+		#clock-cells = <1>;
+		clocks = <&xtal>,
+			 <&scmi_clk CLKID_FIXED_PLL>;
+		clock-names = "xtal",
+			      "fix";
+	};
+
 	ao_pinctrl: pinctrl@...00 {
 		compatible = "amlogic,pinctrl-a4";
 		#address-cells = <2>;

-- 
2.42.0