[PATCH v1 13/13] riscv: dts: starfive: jhb100: Add syscon nodes

Changhuang Liang changhuang.liang at starfivetech.com
Thu Apr 2 22:49:45 PDT 2026


Add syscon nodes for JHB100 RISC-V BMC SoC. They contain
pcieep0_ecsr_syscon | host0_syscon | husb0_syscon | husbd0_syscon |
pcieep1_ecsr_syscon | host1_syscon | husb1_syscon | husbd1_syscon |
gpu0_syscon | gpu1_syscon | husbcmn_syscon | b2h0_syscon | b2h1_syscon |
h02b_syscon | h12b_syscon | vout_syscon | pcierp_ecsr_syscon |
pcierp_syscon | usb_syscon | npu_syscon | per0_syscon | per1_syscon |
per2_syscon | per3_syscon | sys0_syscon | sys1_syscon | sys2_syscon |
strap_syscon.

Simultaneously add the pll, reset, and chipid nodes under syscon.
Also update the references of pll nodes.

Signed-off-by: Changhuang Liang <changhuang.liang at starfivetech.com>
---
 arch/riscv/boot/dts/starfive/jhb100.dtsi | 220 +++++++++++++++++++----
 1 file changed, 186 insertions(+), 34 deletions(-)

diff --git a/arch/riscv/boot/dts/starfive/jhb100.dtsi b/arch/riscv/boot/dts/starfive/jhb100.dtsi
index 700d00f800bc..3456aef30500 100644
--- a/arch/riscv/boot/dts/starfive/jhb100.dtsi
+++ b/arch/riscv/boot/dts/starfive/jhb100.dtsi
@@ -288,36 +288,6 @@ pll1: pll1 {
 		clock-frequency = <1000000000>;
 	};
 
-	pll2: pll2 {
-		compatible = "fixed-clock";
-		#clock-cells = <0>;
-		clock-frequency = <903168000>;
-	};
-
-	pll4: pll4 {
-		compatible = "fixed-clock";
-		#clock-cells = <0>;
-		clock-frequency = <100700000>;
-	};
-
-	pll5: pll5 {
-		compatible = "fixed-clock";
-		#clock-cells = <0>;
-		clock-frequency = <100700000>;
-	};
-
-	pll6: pll6 {
-		compatible = "fixed-clock";
-		#clock-cells = <0>;
-		clock-frequency = <2400000000>;
-	};
-
-	pll7: pll7 {
-		compatible = "fixed-clock";
-		#clock-cells = <0>;
-		clock-frequency = <1950000000>;
-	};
-
 	per2_gmac2_rgmii_rx: per2-gmac2-rgmii-rx {
 		compatible = "fixed-clock";
 		#clock-cells = <0>;
@@ -398,6 +368,116 @@ bus_nioc: bus_nioc {
 				     <0x4 0x00000000 0x4 0x00000000 0x2 0x0>;
 			ranges;
 
+			pcieep0_ecsr_syscon: syscon at 10511000 {
+				compatible = "starfive,jhb100-pcieep-ecsr-syscon", "syscon";
+				reg = <0x0 0x10511000 0x0 0x1000>;
+			};
+
+			host0_syscon: syscon at 10519000 {
+				compatible = "starfive,jhb100-host-syscon", "syscon";
+				reg = <0x0 0x10519000 0x0 0x1000>;
+			};
+
+			husb0_syscon: syscon at 10695000 {
+				compatible = "starfive,jhb100-husb-syscon", "syscon";
+				reg = <0x0 0x10695000 0x0 0x800>;
+			};
+
+			husbd0_syscon: syscon at 10695800 {
+				compatible = "starfive,jhb100-husbd-syscon", "syscon";
+				reg = <0x0 0x10695800 0x0 0x800>;
+			};
+
+			gpu0_syscon: syscon at 10745000 {
+				compatible = "starfive,jhb100-gpu-syscon", "syscon";
+				reg = <0x0 0x10745000 0x0 0x1000>;
+			};
+
+			pcieep1_ecsr_syscon: syscon at 10d11000 {
+				compatible = "starfive,jhb100-pcieep-ecsr-syscon", "syscon";
+				reg = <0x0 0x10d11000 0x0 0x1000>;
+			};
+
+			host1_syscon: syscon at 10d19000 {
+				compatible = "starfive,jhb100-host-syscon", "syscon";
+				reg = <0x0 0x10d19000 0x0 0x1000>;
+			};
+
+			husb1_syscon: syscon at 10e95000 {
+				compatible = "starfive,jhb100-husb-syscon", "syscon";
+				reg = <0x0 0x10e95000 0x0 0x800>;
+			};
+
+			husbd1_syscon: syscon at 10e95800 {
+				compatible = "starfive,jhb100-husbd-syscon", "syscon";
+				reg = <0x0 0x10e95800 0x0 0x800>;
+			};
+
+			gpu1_syscon: syscon at 10f45000 {
+				compatible = "starfive,jhb100-gpu-syscon", "syscon";
+				reg = <0x0 0x10f45000 0x0 0x1000>;
+			};
+
+			husbcmn_syscon: syscon at 11045000 {
+				compatible = "starfive,jhb100-husbcmn-syscon", "syscon";
+				reg = <0x0 0x11045000 0x0 0x1000>;
+			};
+
+			b2h0_syscon: syscon at 11135000 {
+				compatible = "starfive,jhb100-b2h-syscon", "syscon";
+				reg = <0x0 0x11135000 0x0 0x200>;
+			};
+
+			b2h1_syscon: syscon at 11135200 {
+				compatible = "starfive,jhb100-b2h-syscon", "syscon";
+				reg = <0x0 0x11135200 0x0 0x200>;
+			};
+
+			h02b_syscon: syscon at 11135400 {
+				compatible = "starfive,jhb100-h2b-syscon", "syscon";
+				reg = <0x0 0x11135400 0x0 0x100>;
+			};
+
+			h12b_syscon: syscon at 11135500 {
+				compatible = "starfive,jhb100-h2b-syscon", "syscon";
+				reg = <0x0 0x11135500 0x0 0x100>;
+			};
+
+			vout_syscon: syscon at 11135800 {
+				compatible = "starfive,jhb100-vout-syscon", "syscon";
+				reg = <0x0 0x11135800 0x0 0x400>;
+			};
+
+			pcierp_ecsr_syscon: syscon at 11711000 {
+				compatible = "starfive,jhb100-pcierp-ecsr-syscon", "syscon";
+				reg = <0x0 0x11711000 0x0 0x1000>;
+			};
+
+			pcierp_syscon: syscon at 11719000 {
+				compatible = "starfive,jhb100-pcierp-syscon", "syscon",
+					     "simple-mfd";
+				reg = <0x0 0x11719000 0x0 0x1000>;
+				#address-cells = <2>;
+				#size-cells = <2>;
+				ranges = <0x0 0x0 0x0 0x11719000 0x0 0x1000>;
+
+				pcierp_syscon_rst: reset-controller at 14c {
+					compatible = "starfive,jhb100-reset-pcierp";
+					reg = <0x0 0x14c 0x0 0x4>;
+					#reset-cells = <1>;
+				};
+			};
+
+			usb_syscon: syscon at 11820000 {
+				compatible = "starfive,jhb100-usb-syscon", "syscon";
+				reg = <0x0 0x11820000 0x0 0x10000>;
+			};
+
+			npu_syscon: syscon at 118e5000 {
+				compatible = "starfive,jhb100-npu-syscon", "syscon";
+				reg = <0x0 0x118e5000 0x0 0x100>;
+			};
+
 			uart6: serial at 11982000 {
 				compatible = "snps,dw-apb-uart";
 				reg = <0x0 0x11982000 0x0 0x400>;
@@ -413,7 +493,8 @@ uart6: serial at 11982000 {
 			per0crg: clock-controller at 11a08000 {
 				compatible = "starfive,jhb100-per0crg";
 				reg = <0x0 0x11a08000 0x0 0x1000>;
-				clocks = <&osc>, <&pll6>,
+				clocks = <&osc>,
+					 <&per0pll JHB100_PER0PLL_PLL6_OUT>,
 					 <&sys0crg JHB100_SYS0CLK_BMCPER0_400>,
 					 <&sys0crg JHB100_SYS0CLK_BMCPER0_800>,
 					 <&sys0crg JHB100_SYS0CLK_BMCPER0_600>,
@@ -425,10 +506,22 @@ per0crg: clock-controller at 11a08000 {
 				#reset-cells = <1>;
 			};
 
+			per0_syscon: syscon at 11a09000 {
+				compatible = "starfive,jhb100-per0-syscon", "syscon",
+					     "simple-mfd";
+				reg = <0x0 0x11a09000 0x0 0x1000>;
+
+				per0pll: clock-controller {
+					compatible = "starfive,jhb100-per0-pll";
+					clocks = <&osc>;
+					#clock-cells = <1>;
+				};
+			};
+
 			per1crg: clock-controller at 11b40000 {
 				compatible = "starfive,jhb100-per1crg";
 				reg = <0x0 0x11b40000 0x0 0x1000>;
-				clocks = <&pll7>,
+				clocks = <&per1pll JHB100_PER1PLL_PLL7_OUT>,
 					 <&sys0crg JHB100_SYS0CLK_BMCPER1_600>,
 					 <&sys0crg JHB100_SYS0CLK_BMCPER1_800>,
 					 <&sys2crg JHB100_SYS2CLK_BMCPER1_200>,
@@ -440,6 +533,18 @@ per1crg: clock-controller at 11b40000 {
 				#reset-cells = <1>;
 			};
 
+			per1_syscon: syscon at 11b41000 {
+				compatible = "starfive,jhb100-per1-syscon", "syscon",
+					     "simple-mfd";
+				reg = <0x0 0x11b41000 0x0 0x1000>;
+
+				per1pll: clock-controller {
+					compatible = "starfive,jhb100-per1-pll";
+					clocks = <&osc>;
+					#clock-cells = <1>;
+				};
+			};
+
 			per2crg: clock-controller at 11bc0000 {
 				compatible = "starfive,jhb100-per2crg";
 				reg = <0x0 0x11bc0000 0x0 0x1000>;
@@ -461,6 +566,11 @@ per2crg: clock-controller at 11bc0000 {
 				#reset-cells = <1>;
 			};
 
+			per2_syscon: syscon at 11bc1000 {
+				compatible = "starfive,jhb100-per2-syscon", "syscon";
+				reg = <0x0 0x11bc1000 0x0 0x1000>;
+			};
+
 			per3crg: clock-controller at 11c40000 {
 				compatible = "starfive,jhb100-per3crg";
 				reg = <0x0 0x11c40000 0x0 0x1000>;
@@ -480,11 +590,16 @@ per3crg: clock-controller at 11c40000 {
 				#reset-cells = <1>;
 			};
 
+			per3_syscon: syscon at 11c41000 {
+				compatible = "starfive,jhb100-per3-syscon", "syscon";
+				reg = <0x0 0x11c41000 0x0 0x1000>;
+			};
+
 			sys0crg: clock-controller at 13000000 {
 				compatible = "starfive,jhb100-sys0crg";
 				reg = <0x0 0x13000000 0x0 0x4000>;
 				clocks = <&osc>, <&pll0>, <&pll1>,
-					 <&pll2>;
+					 <&sys0pll JHB100_SYS0PLL_PLL2_OUT>;
 				clock-names = "osc", "pll0", "pll1", "pll2";
 				#clock-cells = <1>;
 				#reset-cells = <1>;
@@ -494,7 +609,9 @@ sys1crg: clock-controller at 13004000 {
 				compatible = "starfive,jhb100-sys1crg";
 				reg = <0x0 0x13004000 0x0 0x4000>;
 				clocks = <&osc>, <&pll0>, <&pll1>,
-					 <&pll2>, <&pll4>, <&pll5>,
+					 <&sys0pll JHB100_SYS0PLL_PLL2_OUT>,
+					 <&sys0pll JHB100_SYS0PLL_PLL4_OUT>,
+					 <&sys0pll JHB100_SYS0PLL_PLL5_OUT>,
 					 <&sys0crg JHB100_SYS0CLK_NPU_600>;
 				clock-names = "osc", "pll0", "pll1", "pll2",
 					      "pll4", "pll5", "sys1_npu_600";
@@ -513,6 +630,41 @@ sys2crg: clock-controller at 13008000 {
 				#clock-cells = <1>;
 				#reset-cells = <1>;
 			};
+
+			sys0_syscon: syscon at 13010000 {
+				compatible = "starfive,jhb100-sys0-syscon", "syscon",
+					     "simple-mfd";
+				reg = <0x0 0x13010000 0x0 0x2000>;
+				#address-cells = <2>;
+				#size-cells = <2>;
+				ranges = <0x0 0x0 0x0 0x13010000 0x0 0x2000>;
+
+				sys0pll: clock-controller {
+					compatible = "starfive,jhb100-sys0-pll";
+					clocks = <&osc>;
+					#clock-cells = <1>;
+				};
+
+				chipid at 38 {
+					compatible = "starfive,jhb100-socinfo";
+					reg = <0x0 0x38 0x0 0x4>;
+				};
+			};
+
+			sys1_syscon: syscon at 13014000 {
+				compatible = "starfive,jhb100-sys1-syscon", "syscon";
+				reg = <0x0 0x13014000 0x0 0x4000>;
+			};
+
+			sys2_syscon: syscon at 13018000 {
+				compatible = "starfive,jhb100-sys2-syscon", "syscon";
+				reg = <0x0 0x13018000 0x0 0x4000>;
+			};
+
+			strap_syscon: syscon at 1301a000 {
+				compatible = "starfive,jhb100-strap-syscon", "syscon";
+				reg = <0x0 0x1301a000 0x0 0x2000>;
+			};
 		};
 	};
 };
-- 
2.25.1




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