From: Jian Hu <jian.hu@amlogic.com>
Date: Thu, 26 Mar 2026 09:26:45 +0000 (+0800)
Subject: arm64: dts: amlogic: t7: Add clock controller nodes
X-Git-Url: http://git.ipfire.org/gitweb/?a=commitdiff_plain;h=68de99550e9ee79f13c4cddb4c482eeb684e9249;p=thirdparty%2Flinux.git

arm64: dts: amlogic: t7: Add clock controller nodes

Add the required clock controller nodes for Amlogic T7 SoC family:
- SCMI clock controller
- PLL clock controller
- Peripheral clock controller

Signed-off-by: Ronald Claveau <linux-kernel-dev@aliel.fr>
Signed-off-by: Jian Hu <jian.hu@amlogic.com>
Link: https://patch.msgid.link/20260326092645.1053261-4-jian.hu@amlogic.com
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
---

diff --git a/arch/arm64/boot/dts/amlogic/amlogic-t7.dtsi b/arch/arm64/boot/dts/amlogic/amlogic-t7.dtsi
index a54fa2bd5c78f..1a00a65db0c65 100644
--- a/arch/arm64/boot/dts/amlogic/amlogic-t7.dtsi
+++ b/arch/arm64/boot/dts/amlogic/amlogic-t7.dtsi
@@ -6,6 +6,9 @@
 #include <dt-bindings/interrupt-controller/arm-gic.h>
 #include <dt-bindings/power/amlogic,t7-pwrc.h>
 #include "amlogic-t7-reset.h"
+#include <dt-bindings/clock/amlogic,t7-scmi.h>
+#include <dt-bindings/clock/amlogic,t7-pll-clkc.h>
+#include <dt-bindings/clock/amlogic,t7-peripherals-clkc.h>
 
 / {
 	interrupt-parent = <&gic>;
@@ -201,6 +204,34 @@
 		};
 	};
 
+	sram@f7042000 {
+		compatible = "mmio-sram";
+		reg = <0x0 0xf7042000 0x0 0x100>;
+		#address-cells = <1>;
+		#size-cells = <1>;
+		ranges = <0 0x0 0xf7042000 0x100>;
+
+		scmi_shmem: sram@0 {
+			compatible = "arm,scmi-shmem";
+			reg = <0x0 0x100>;
+		};
+	};
+
+	firmware {
+		scmi: scmi {
+			compatible = "arm,scmi-smc";
+			arm,smc-id = <0x820000c1>;
+			shmem = <&scmi_shmem>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			scmi_clk: protocol@14 {
+				reg = <0x14>;
+				#clock-cells = <1>;
+			};
+		};
+	};
+
 	soc {
 		compatible = "simple-bus";
 		#address-cells = <2>;
@@ -226,6 +257,42 @@
 			#size-cells = <2>;
 			ranges = <0x0 0x0 0x0 0xfe000000 0x0 0x480000>;
 
+			clkc_periphs: clock-controller@0 {
+				compatible = "amlogic,t7-peripherals-clkc";
+				reg = <0x0 0x0 0x0 0x1c8>;
+				#clock-cells = <1>;
+				clocks = <&xtal>,
+					 <&scmi_clk CLKID_SYS_CLK>,
+					 <&scmi_clk CLKID_FIXED_PLL>,
+					 <&scmi_clk CLKID_FCLK_DIV2>,
+					 <&scmi_clk CLKID_FCLK_DIV2P5>,
+					 <&scmi_clk CLKID_FCLK_DIV3>,
+					 <&scmi_clk CLKID_FCLK_DIV4>,
+					 <&scmi_clk CLKID_FCLK_DIV5>,
+					 <&scmi_clk CLKID_FCLK_DIV7>,
+					 <&hifi CLKID_HIFI_PLL>,
+					 <&gp0 CLKID_GP0_PLL>,
+					 <&gp1 CLKID_GP1_PLL>,
+					 <&mpll CLKID_MPLL1>,
+					 <&mpll CLKID_MPLL2>,
+					 <&mpll CLKID_MPLL3>;
+				clock-names = "xtal",
+					      "sys",
+					      "fix",
+					      "fdiv2",
+					      "fdiv2p5",
+					      "fdiv3",
+					      "fdiv4",
+					      "fdiv5",
+					      "fdiv7",
+					      "hifi",
+					      "gp0",
+					      "gp1",
+					      "mpll1",
+					      "mpll2",
+					      "mpll3";
+			};
+
 			reset: reset-controller@2000 {
 				compatible = "amlogic,t7-reset";
 				reg = <0x0 0x2000 0x0 0x98>;
@@ -513,6 +580,64 @@
 				status = "disabled";
 			};
 
+			gp0: clock-controller@8080 {
+				compatible = "amlogic,t7-gp0-pll";
+				reg = <0x0 0x8080 0x0 0x20>;
+				clocks = <&scmi_clk CLKID_TOP_PLL_OSC>;
+				clock-names = "in0";
+				#clock-cells = <1>;
+			};
+
+			gp1: clock-controller@80c0 {
+				compatible = "amlogic,t7-gp1-pll";
+				reg = <0x0 0x80c0 0x0 0x14>;
+				clocks = <&scmi_clk CLKID_TOP_PLL_OSC>;
+				clock-names = "in0";
+				#clock-cells = <1>;
+			};
+
+			hifi: clock-controller@8100 {
+				compatible = "amlogic,t7-hifi-pll";
+				reg = <0x0 0x8100 0x0 0x20>;
+				clocks = <&scmi_clk CLKID_TOP_PLL_OSC>;
+				clock-names = "in0";
+				#clock-cells = <1>;
+			};
+
+			pcie: clock-controller@8140 {
+				compatible = "amlogic,t7-pcie-pll";
+				reg = <0x0 0x8140 0x0 0x1c>;
+				clocks = <&scmi_clk CLKID_PCIE_OSC>;
+				clock-names = "in0";
+				#clock-cells = <1>;
+			};
+
+			mpll: clock-controller@8180 {
+				compatible = "amlogic,t7-mpll";
+				reg = <0x0 0x8180 0x0 0x28>;
+				clocks = <&scmi_clk CLKID_FIXED_PLL_DCO>;
+				clock-names = "in0";
+				#clock-cells = <1>;
+			};
+
+			hdmi: clock-controller@81c0 {
+				compatible = "amlogic,t7-hdmi-pll";
+				reg = <0x0 0x81c0 0x0 0x20>;
+				clocks = <&scmi_clk CLKID_HDMI_PLL_OSC>;
+				clock-names = "in0";
+				#clock-cells = <1>;
+			};
+
+			mclk: clock-controller@8300 {
+				compatible = "amlogic,t7-mclk-pll";
+				reg = <0x0 0x8300 0x0 0x18>;
+				clocks = <&scmi_clk CLKID_MCLK_PLL_OSC>,
+					 <&xtal>,
+					 <&scmi_clk CLKID_FCLK_50M>;
+				clock-names = "in0", "in1", "in2";
+				#clock-cells = <1>;
+			};
+
 			sec_ao: ao-secure@10220 {
 				compatible = "amlogic,t7-ao-secure",
 					     "amlogic,meson-gx-ao-secure",