Re: [PATCH v6 3/4] riscv: dts: sophgo: add clock generator for Sophgo CV1800 series SoC

Chen Wang
2024-01-31T03:45:31Z

On 2024/1/14 12:17, Inochi Amaoto wrote:
> 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.
>
> Signed-off-by: Inochi Amaoto <inochiama@outlook.com>
> 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>

> ---
> arch/riscv/boot/dts/sophgo/cv1800b.dtsi | 4 ++++
> arch/riscv/boot/dts/sophgo/cv1812h.dtsi | 4 ++++
> arch/riscv/boot/dts/sophgo/cv18xx.dtsi | 6 ++++++
> 3 files changed, 14 insertions(+)
>
> diff --git a/arch/riscv/boot/dts/sophgo/cv1800b.dtsi b/arch/riscv/boot/dts/sophgo/cv1800b.dtsi
> index 165e9e320a8c..baf641829e72 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 3e7a942f5c1a..7fa4c1e2d1da 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 2d6f4a4b1e58..6ea1b2784db9 100644
> --- a/arch/riscv/boot/dts/sophgo/cv18xx.dtsi
> +++ b/arch/riscv/boot/dts/sophgo/cv18xx.dtsi
> @@ -53,6 +53,12 @@ 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>;
> --
> 2.43.0