On Tue, Aug 01, 2023 at 06:10:26PM +0800, Keith Zhao wrote:
> Add the dc controller and hdmi node for the Starfive JH7110 SoC.
>
> Signed-off-by: Keith Zhao <keith.zhao@xxxxxxxxxxxxxxxx>
> ---
> .../jh7110-starfive-visionfive-2.dtsi | 87 +++++++++++++++++++
> arch/riscv/boot/dts/starfive/jh7110.dtsi | 43 +++++++++
> 2 files changed, 130 insertions(+)
>
> diff --git a/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-2.dtsi b/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-2.dtsi
> index de0f40a8b..32e5cc96c 100644
> --- a/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-2.dtsi
> +++ b/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-2.dtsi
> @@ -31,6 +31,21 @@ memory@40000000 {
> reg = <0x0 0x40000000 0x1 0x0>;
> };
>
> + reserved-memory {
> + #address-cells = <2>;
> + #size-cells = <2>;
> + ranges;
> +
> + linux,cma {
> + compatible = "shared-dma-pool";
> + reusable;
> + size = <0x0 0x20000000>;
> + alignment = <0x0 0x1000>;
> + alloc-ranges = <0x0 0x80000000 0x0 0x20000000>;
> + linux,cma-default;
> + };
> + };
> +
You should explain why you need this, either in a comment or in the
commit log.
>
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