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

From: Inochi Amaoto
Date: Sun Jun 08 2025 - 19:30:29 EST


Add clock controller and pll clock node for sg2044.

Signed-off-by: Inochi Amaoto <inochiama@xxxxxxxxx>
---
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@xxxxxxxxx>
*/

+#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@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@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@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@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@7050000000 {
clocks = <&osc>;
};

+ clk: clock-controller@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@7050003000 {
compatible = "sophgo,sg2044-reset",
"sophgo,sg2042-reset";
--
2.49.0