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SubjectRe: [PATCH 2/3] MIPS: Loongson64: DTS: Add SPI support to LS3A
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在 2020/11/23 17:19, Qing Zhang 写道:
> The LS3A SPI module is now supported, enable it.
>
> Signed-off-by: Qing Zhang <zhangqing@loongson.cn>
> ---
> arch/mips/boot/dts/loongson/loongson64c-package.dtsi | 7 +++++++
> 1 file changed, 7 insertions(+)
>
> diff --git a/arch/mips/boot/dts/loongson/loongson64c-package.dtsi b/arch/mips/boot/dts/loongson/loongson64c-package.dtsi
> index 5bb876a..2025c5a 100644
> --- a/arch/mips/boot/dts/loongson/loongson64c-package.dtsi
> +++ b/arch/mips/boot/dts/loongson/loongson64c-package.dtsi
> @@ -60,5 +60,12 @@
> interrupt-parent = <&liointc>;
> no-loopback-test;
> };
> +
> + spi: spi@1fe00220 {
> + compatible = "loongson,loongson-spi";

You have to add dt schema document..

Also I'd sugguest you to name it as loongson,pci-spi to avoid collision.

Loongson-1 MCUs do have MMIO SPI controller with similiar register layout.

Thanks

- Jiaxun

> + reg=<0 0x1fe00220 0x11>;
> + #address-cells = <1>;
> + #size-cells = <0>;
> + };
> };
> };

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