riscv: dts: sophgo: add clock generator for Sophgo CV1800 series SoC
Add clock generator node for CV1800B and CV1812H.
Until now, It uses DT override to minimize duplication. This may
change in the future. See the last link for the discussion on
maintaining DT of CV1800 series.
Link: https://github.com/milkv-duo/duo-files/blob/6f4e9b8ecb459e017cca1a8df248a19ca70837a3/duo/datasheet/CV1800B-CV1801B-Preliminary-Datasheet-full-en.pdf
Link: https://lore.kernel.org/all/IA1PR20MB495373158F3B690EF3BF2901BB8BA@IA1PR20MB4953.namprd20.prod.outlook.com/
Reviewed-by: Chen Wang <unicorn_wang@outlook.com>
Link: https://lore.kernel.org/r/IA1PR20MB4953ED6A4B57773865F49D6DBB262@IA1PR20MB4953.namprd20.prod.outlook.com
Signed-off-by: Inochi Amaoto <inochiama@outlook.com>
Signed-off-by: Chen Wang <unicorn_wang@outlook.com>
diff --git a/arch/riscv/boot/dts/sophgo/cv1800b.dtsi b/arch/riscv/boot/dts/sophgo/cv1800b.dtsi
index 165e9e3..baf6418 100644
--- a/arch/riscv/boot/dts/sophgo/cv1800b.dtsi
+++ b/arch/riscv/boot/dts/sophgo/cv1800b.dtsi
@@ -16,3 +16,7 @@ &plic {
&clint {
compatible = "sophgo,cv1800b-clint", "thead,c900-clint";
};
+
+&clk {
+ compatible = "sophgo,cv1800-clk";
+};
diff --git a/arch/riscv/boot/dts/sophgo/cv1812h.dtsi b/arch/riscv/boot/dts/sophgo/cv1812h.dtsi
index 3e7a942..7fa4c1e 100644
--- a/arch/riscv/boot/dts/sophgo/cv1812h.dtsi
+++ b/arch/riscv/boot/dts/sophgo/cv1812h.dtsi
@@ -22,3 +22,7 @@ &plic {
&clint {
compatible = "sophgo,cv1812h-clint", "thead,c900-clint";
};
+
+&clk {
+ compatible = "sophgo,cv1810-clk";
+};
diff --git a/arch/riscv/boot/dts/sophgo/cv18xx.dtsi b/arch/riscv/boot/dts/sophgo/cv18xx.dtsi
index 405f4ba..c744c44 100644
--- a/arch/riscv/boot/dts/sophgo/cv18xx.dtsi
+++ b/arch/riscv/boot/dts/sophgo/cv18xx.dtsi
@@ -61,6 +61,12 @@ soc {
dma-noncoherent;
ranges;
+ clk: clock-controller@3002000 {
+ reg = <0x03002000 0x1000>;
+ clocks = <&osc>;
+ #clock-cells = <1>;
+ };
+
gpio0: gpio@3020000 {
compatible = "snps,dw-apb-gpio";
reg = <0x3020000 0x1000>;
