Re: [PATCH v2, 1/3] dt-bindings: soc: Add MT8183 emi dt-bindings

Matthias Brugger
2019-06-18T21:23:12Z

On 24/05/2019 05:54, Xi Chen wrote:
> Add emi dt-bindings of MT8183 in binding document.
>
> Signed-off-by: Xi Chen <xixi.chen-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org>
> ---
> .../bindings/memory-controllers/mediatek,emi.txt | 19 +++++++++++++++++++
> 1 file changed, 19 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/memory-controllers/mediatek,emi.txt
>
> diff --git a/Documentation/devicetree/bindings/memory-controllers/mediatek,emi.txt b/Documentation/devicetree/bindings/memory-controllers/mediatek,emi.txt
> new file mode 100644
> index 0000000..a19e3b3
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/memory-controllers/mediatek,emi.txt
> @@ -0,0 +1,19 @@
> +EMI (External Memory Interface)
> +

Please describe a bit more what the EMI interface does.

> +Required properties:
> +- compatible : must be one of :
> + "mediatek,mt8183-emi"
> +- reg : the register and size of the EMI block.
> +- interrupts : includes MPU, CGM, ELM.
> +
> +Example:
> + emi@10219000 {
> + compatible = "mediatek,mt8183-emi";
> + reg = <0 0x10219000 0 0x1000>, /* CEN EMI */
> + <0 0x10226000 0 0x1000>, /* EMI MPU */
> + <0 0x1022d000 0 0x1000>, /* CHA EMI */
> + <0 0x10235000 0 0x1000>; /* CHB EMI */
> + interrupts = <GIC_SPI 147 IRQ_TYPE_LEVEL_LOW>, /* MPU */
> + <GIC_SPI 148 IRQ_TYPE_LEVEL_HIGH>, /* CGM */
> + <GIC_SPI 155 IRQ_TYPE_LEVEL_HIGH>; /* ELM */
> +};
>