On Thu, Nov 12, 2020 at 04:49:48PM +0800, Sia Jee Heng wrote:
> Add support for Intel KeemBay AxiDMA to the dw-axi-dmac
> Schemas DT binding.
>
> Signed-off-by: Sia Jee Heng <jee.heng.sia@xxxxxxxxx>
> ---
> .../bindings/dma/snps,dw-axi-dmac.yaml | 25 +++++++++++++++++++
> 1 file changed, 25 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/dma/snps,dw-axi-dmac.yaml b/Documentation/devicetree/bindings/dma/snps,dw-axi-dmac.yaml
> index 481ef0dacf5f..18e9422095bb 100644
> --- a/Documentation/devicetree/bindings/dma/snps,dw-axi-dmac.yaml
> +++ b/Documentation/devicetree/bindings/dma/snps,dw-axi-dmac.yaml
> @@ -8,6 +8,7 @@ title: Synopsys DesignWare AXI DMA Controller
>
> maintainers:
> - Eugeniy Paltsev <Eugeniy.Paltsev@xxxxxxxxxxxx
> + - Jee Heng Sia <jee.heng.sia@xxxxxxxxx>
>
> description: |
> Synopsys DesignWare AXI DMA Controller DT Binding
> @@ -16,6 +17,7 @@ properties:
> compatible:
> enum:
> - snps,axi-dma-1.01a
> + - intel,kmb-axi-dma
>
> reg:
> items:
> @@ -24,6 +26,7 @@ properties:
> reg-names:
> items:
> - const: axidma_ctrl_regs
> + - const: axidma_apb_regs
You need 'minItems: 1' here or everyone has to have 2 entries.
Also, doesn't 'reg' need updating?
>
> interrupts:
> maxItems: 1
> @@ -124,3 +127,25 @@ examples:
> snps,priority = <0 1 2 3>;
> snps,axi-max-burst-len = <16>;
> };
> +
> + - |
> + #include <dt-bindings/interrupt-controller/arm-gic.h>
> + #include <dt-bindings/interrupt-controller/irq.h>
> + /* example with intel,kmb-axi-dma */
> + #define KEEM_BAY_PSS_AXI_DMA
> + #define KEEM_BAY_PSS_APB_AXI_DMA
> + axi_dma: dma@28000000 {
> + compatible = "intel,kmb-axi-dma";
> + reg = <0x28000000 0x1000 0x20250000 0x24>;
reg = <0x28000000 0x1000>, <0x20250000 0x24>;
> + reg-names = "axidma_ctrl_regs", "axidma_apb_regs";
> + interrupts = <GIC_SPI 88 IRQ_TYPE_LEVEL_HIGH>;
> + clock-names = "core-clk", "cfgr-clk";
> + clocks = <&scmi_clk KEEM_BAY_PSS_AXI_DMA>, <&scmi_clk KEEM_BAY_PSS_APB_AXI_DMA>;
> + #dma-cells = <1>;
> + dma-channels = <8>;
> + snps,dma-masters = <1>;
> + snps,data-width = <4>;
> + snps,priority = <0 0 0 0 0 0 0 0>;
> + snps,block-size = <1024 1024 1024 1024 1024 1024 1024 1024>;
> + snps,axi-max-burst-len = <16>;
> + };
> --
> 2.18.0
>
