linux-kernel - Re: [PATCH v2 11/15] dt-binding: dma: dw-axi-dmac: Add support for Intel KeemBay AxiDMA

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Message-ID: <20201109095417.GE3171@vkoul-mobl>
Date:   Mon, 9 Nov 2020 15:24:17 +0530
From:   Vinod Koul <vkoul@...nel.org>
To:     Sia Jee Heng <jee.heng.sia@...el.com>
Cc:     Eugeniy.Paltsev@...opsys.com, andriy.shevchenko@...ux.intel.com,
        dmaengine@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 11/15] dt-binding: dma: dw-axi-dmac: Add support for
 Intel KeemBay AxiDMA

On 27-10-20, 14:38, Sia Jee Heng wrote:
> Add support for Intel KeemBay AxiDMA to the dw-axi-dmac
> Schemas DT binding.

This patch should be 10th one, we add binding before its use in the
drivers

> 
> Signed-off-by: Sia Jee Heng <jee.heng.sia@...el.com>
> ---
>  .../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 e688d25864bc..0e9bc5553a36 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@...opsys.com
> +  - Sia, Jee Heng <jee.heng.sia@...el.com>

That is intel representation and not your name, right! This need to be
your name in from Firname MiddleName Lastname <email>


>  
>  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
>  
>    interrupts:
>      maxItems: 1
> @@ -122,3 +125,25 @@ 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@...00000 {
> +         compatible = "intel,kmb-axi-dma";
> +         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

-- 
~Vinod