[PATCH v3 3/3] riscv: dts: canaan: Add clock initial support for K230

[Xukai Wang]

This patch provides basic support for the K230 clock, which does not
cover all clocks.

The clock tree of the K230 SoC consists of OSC24M,
PLLs and sysclk.

Co-developed-by: Troy Mitchell <TroyMitchell988@xxxxxxxxx>
Signed-off-by: Troy Mitchell <TroyMitchell988@xxxxxxxxx>
Signed-off-by: Xukai Wang <kingxukai@xxxxxxxxxxxx>
---
 arch/riscv/boot/dts/canaan/k230.dtsi | 32 ++++++++++++++++++++++++++++++++
 1 file changed, 32 insertions(+)

diff --git a/arch/riscv/boot/dts/canaan/k230.dtsi b/arch/riscv/boot/dts/canaan/k230.dtsi
index 95c1a3d8fb1192e30113d96d3e96329545bc6ae7..e50ba03c2c21597e5f7d04a652db08f84101cbfb 100644
--- a/arch/riscv/boot/dts/canaan/k230.dtsi
+++ b/arch/riscv/boot/dts/canaan/k230.dtsi
@@ -3,6 +3,7 @@
  * Copyright (C) 2024 Yangyu Chen <cyy@xxxxxxxxxxxx>
  */
 
+#include <dt-bindings/clock/canaan,k230-clk.h>
 #include <dt-bindings/interrupt-controller/irq.h>
 
 /dts-v1/;
@@ -65,6 +66,13 @@ apb_clk: apb-clk-clock {
 		#clock-cells = <0>;
 	};
 
+	osc24m: clock-24m {
+		compatible = "fixed-clock";
+		clock-frequency = <24000000>;
+		clock-output-names = "osc24m";
+		#clock-cells = <0>;
+	};
+
 	soc {
 		compatible = "simple-bus";
 		interrupt-parent = <&plic>;
@@ -138,5 +146,29 @@ uart4: serial@91404000 {
 			reg-shift = <2>;
 			status = "disabled";
 		};
+
+		sysclk: clock-controller@91102000 {
+			compatible = "canaan,k230-clk";
+			reg = <0x0 0x91102000 0x0 0x1000>,
+			      <0x0 0x91100000 0x0 0x1000>;
+			clocks = <&osc24m>;
+			clock-output-names = "CPU0_ACLK", "CPU0_PLIC", "CPU0_NOC_DDRCP4",
+					     "CPU0_PCLK", "PMU_PCLK", "HS_HCLK_HIGH_SRC",
+					     "HS_HCLK_HIGH_GATE", "HS_HCLK_SRC",
+					     "HS_SD0_HS_AHB_GAT", "HS_SD1_HS_AHB_GAT",
+					     "HS_SSI1_HS_AHB_GA", "HS_SSI2_HS_AHB_GA",
+					     "HS_USB0_HS_AHB_GA", "HS_USB1_HS_AHB_GA",
+					     "HS_SSI0_AXI", "HS_SSI1", "HS_SSI2",
+					     "HS_QSPI_AXI_SRC", "HS_SSI1_ACLK_GATE",
+					     "HS_SSI2_ACLK_GATE", "HS_SD_CARD_SRC",
+					     "HS_SD0_CARD_TX", "HS_SD1_CARD_TX",
+					     "HS_SD_AXI_SRC", "HS_SD0_AXI_GATE",
+					     "HS_SD1_AXI_GATE", "HS_SD0_BASE_GATE",
+					     "HS_SD1_BASE_GATE", "HS_OSPI_SRC",
+					     "HS_USB_REF_51M", "HS_SD_TIMER_SRC",
+					     "HS_SD0_TIMER_GATE", "HS_SD1_TIMER_GATE",
+					     "HS_USB0_REFERENCE", "HS_USB1_REFERENCE";
+			#clock-cells = <1>;
+		};
 	};
 };

-- 
2.34.1