Describe the PLL and system controllers that're capable of generating
clock signals in the devicetree.
Signed-off-by: Haylen Chu <heylenay@xxxxxxx>
---
arch/riscv/boot/dts/spacemit/k1.dtsi | 79 ++++++++++++++++++++++++++++
1 file changed, 79 insertions(+)
diff --git a/arch/riscv/boot/dts/spacemit/k1.dtsi b/arch/riscv/boot/dts/spacemit/k1.dtsi
index c670ebf8fa12..09a9100986b1 100644
--- a/arch/riscv/boot/dts/spacemit/k1.dtsi
+++ b/arch/riscv/boot/dts/spacemit/k1.dtsi
@@ -3,6 +3,8 @@
* Copyright (C) 2024 Yangyu Chen <cyy@xxxxxxxxxxxx>
*/
+#include <dt-bindings/clock/spacemit,k1-ccu.h>
+
/dts-v1/;
/ {
#address-cells = <2>;
@@ -306,6 +308,40 @@ cluster1_l2_cache: l2-cache1 {
};
};
+ clocks {
+ #address-cells = <0x2>;
+ #size-cells = <0x2>;
+ ranges;
+
+ vctcxo_1m: clock-1m {
+ compatible = "fixed-clock";
+ clock-frequency = <1000000>;
+ clock-output-names = "vctcxo_1m";
+ #clock-cells = <0>;
+ };
+
+ vctcxo_24m: clock-24m {
+ compatible = "fixed-clock";
+ clock-frequency = <24000000>;
+ clock-output-names = "vctcxo_24m";
+ #clock-cells = <0>;
+ };
+
+ vctcxo_3m: clock-3m {
+ compatible = "fixed-clock";
+ clock-frequency = <3000000>;
+ clock-output-names = "vctcxo_3m";
+ #clock-cells = <0>;
+ };
+
+ osc_32k: clock-32k {
+ compatible = "fixed-clock";
+ clock-frequency = <32000>;
+ clock-output-names = "osc_32k";
+ #clock-cells = <0>;
+ };
+ };
+
soc {
compatible = "simple-bus";
interrupt-parent = <&plic>;
@@ -314,6 +350,17 @@ soc {
dma-noncoherent;
ranges;
+ syscon_apbc: system-control@d4015000 {
+ compatible = "spacemit,k1-syscon-apbc";
+ reg = <0x0 0xd4015000 0x0 0x1000>;
+ clocks = <&osc_32k>, <&vctcxo_1m>, <&vctcxo_3m>,
+ <&vctcxo_24m>;
+ clock-names = "osc", "vctcxo_1m", "vctcxo_3m",
+ "vctcxo_24m";
+ #clock-cells = <1>;
+ #reset-cells = <1>;
+ };
+
uart0: serial@d4017000 {
compatible = "spacemit,k1-uart", "intel,xscale-uart";
reg = <0x0 0xd4017000 0x0 0x100>;
@@ -409,6 +456,38 @@ pinctrl: pinctrl@d401e000 {
reg = <0x0 0xd401e000 0x0 0x400>;
};
+ syscon_mpmu: system-controller@d4050000 {
+ compatible = "spacemit,k1-syscon-mpmu";
+ reg = <0x0 0xd4050000 0x0 0x209c>;
+ clocks = <&osc_32k>, <&vctcxo_1m>, <&vctcxo_3m>,
+ <&vctcxo_24m>;
+ clock-names = "osc", "vctcxo_1m", "vctcxo_3m",
+ "vctcxo_24m";
+ #clock-cells = <1>;
+ #power-domain-cells = <1>;
+ #reset-cells = <1>;
+ };
+
+ pll: system-control@d4090000 {
+ compatible = "spacemit,k1-pll";
+ reg = <0x0 0xd4090000 0x0 0x1000>;
+ clocks = <&vctcxo_24m>;
+ spacemit,mpmu = <&syscon_mpmu>;
+ #clock-cells = <1>;
+ };
+
+ syscon_apmu: system-control@d4282800 {
+ compatible = "spacemit,k1-syscon-apmu";
+ reg = <0x0 0xd4282800 0x0 0x400>;
+ clocks = <&osc_32k>, <&vctcxo_1m>, <&vctcxo_3m>,
+ <&vctcxo_24m>;
+ clock-names = "osc", "vctcxo_1m", "vctcxo_3m",
+ "vctcxo_24m";
+ #clock-cells = <1>;
+ #power-domain-cells = <1>;
+ #reset-cells = <1>;
+ };
+
plic: interrupt-controller@e0000000 {
compatible = "spacemit,k1-plic", "sifive,plic-1.0.0";
reg = <0x0 0xe0000000 0x0 0x4000000>;
--
2.48.1
