[PATCH 02/11] riscv: dts: sophgo: sg2044: Add clock controller device

Inochi Amaoto inochiama at gmail.com
Sun Jun 8 16:28:26 PDT 2025


Add clock controller and pll clock node for sg2044.

Signed-off-by: Inochi Amaoto <inochiama at gmail.com>
---
 arch/riscv/boot/dts/sophgo/sg2044.dtsi | 34 ++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)

diff --git a/arch/riscv/boot/dts/sophgo/sg2044.dtsi b/arch/riscv/boot/dts/sophgo/sg2044.dtsi
index a0c13d8d26af..d21a59948186 100644
--- a/arch/riscv/boot/dts/sophgo/sg2044.dtsi
+++ b/arch/riscv/boot/dts/sophgo/sg2044.dtsi
@@ -3,6 +3,8 @@
  * Copyright (C) 2025 Inochi Amaoto <inochiama at gmail.com>
  */
 
+#include <dt-bindings/clock/sophgo,sg2044-pll.h>
+#include <dt-bindings/clock/sophgo,sg2044-clk.h>
 #include <dt-bindings/interrupt-controller/irq.h>
 
 #include "sg2044-cpus.dtsi"
@@ -32,6 +34,9 @@ uart0: serial at 7030000000 {
 			compatible = "sophgo,sg2044-uart", "snps,dw-apb-uart";
 			reg = <0x70 0x30000000 0x0 0x1000>;
 			clock-frequency = <500000000>;
+			clocks = <&clk CLK_GATE_UART_500M>,
+				 <&clk CLK_GATE_APB_UART>;
+			clock-names = "baudclk", "apb_pclk";
 			interrupt-parent = <&intc>;
 			interrupts = <41 IRQ_TYPE_LEVEL_HIGH>;
 			reg-shift = <2>;
@@ -44,6 +49,9 @@ uart1: serial at 7030001000 {
 			compatible = "sophgo,sg2044-uart", "snps,dw-apb-uart";
 			reg = <0x70 0x30001000 0x0 0x1000>;
 			clock-frequency = <500000000>;
+			clocks = <&clk CLK_GATE_UART_500M>,
+				 <&clk CLK_GATE_APB_UART>;
+			clock-names = "baudclk", "apb_pclk";
 			interrupt-parent = <&intc>;
 			interrupts = <42 IRQ_TYPE_LEVEL_HIGH>;
 			reg-shift = <2>;
@@ -56,6 +64,9 @@ uart2: serial at 7030002000 {
 			compatible = "sophgo,sg2044-uart", "snps,dw-apb-uart";
 			reg = <0x70 0x30002000 0x0 0x1000>;
 			clock-frequency = <500000000>;
+			clocks = <&clk CLK_GATE_UART_500M>,
+				 <&clk CLK_GATE_APB_UART>;
+			clock-names = "baudclk", "apb_pclk";
 			interrupt-parent = <&intc>;
 			interrupts = <43 IRQ_TYPE_LEVEL_HIGH>;
 			reg-shift = <2>;
@@ -68,6 +79,9 @@ uart3: serial at 7030003000 {
 			compatible = "sophgo,sg2044-uart", "snps,dw-apb-uart";
 			reg = <0x70 0x30003000 0x0 0x1000>;
 			clock-frequency = <500000000>;
+			clocks = <&clk CLK_GATE_UART_500M>,
+				 <&clk CLK_GATE_APB_UART>;
+			clock-names = "baudclk", "apb_pclk";
 			interrupt-parent = <&intc>;
 			interrupts = <44 IRQ_TYPE_LEVEL_HIGH>;
 			reg-shift = <2>;
@@ -83,6 +97,26 @@ syscon: syscon at 7050000000 {
 			clocks = <&osc>;
 		};
 
+		clk: clock-controller at 7050002000 {
+			compatible = "sophgo,sg2044-clk";
+			reg = <0x70 0x50002000 0x0 0x1000>;
+			#clock-cells = <1>;
+			clocks = <&syscon CLK_FPLL0>, <&syscon CLK_FPLL1>,
+				 <&syscon CLK_FPLL2>, <&syscon CLK_DPLL0>,
+				 <&syscon CLK_DPLL1>, <&syscon CLK_DPLL2>,
+				 <&syscon CLK_DPLL3>, <&syscon CLK_DPLL4>,
+				 <&syscon CLK_DPLL5>, <&syscon CLK_DPLL6>,
+				 <&syscon CLK_DPLL7>, <&syscon CLK_MPLL0>,
+				 <&syscon CLK_MPLL1>, <&syscon CLK_MPLL2>,
+				 <&syscon CLK_MPLL3>, <&syscon CLK_MPLL4>,
+				 <&syscon CLK_MPLL5>;
+			clock-names = "fpll0", "fpll1", "fpll2", "dpll0",
+				      "dpll1", "dpll2", "dpll3", "dpll4",
+				      "dpll5", "dpll6", "dpll7", "mpll0",
+				      "mpll1", "mpll2", "mpll3", "mpll4",
+				      "mpll5";
+		};
+
 		rst: reset-controller at 7050003000 {
 			compatible = "sophgo,sg2044-reset",
 				     "sophgo,sg2042-reset";
-- 
2.49.0




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