[RFC,v3 4/5] arm64: dts: add snfi node for spi nand

[Miquel Raynal]

Hi Xiangsheng,

xiangsheng.hou at mediatek.com wrote on Fri, 22 Oct 2021 10:40:20 +0800:

> Signed-off-by: Xiangsheng Hou <xiangsheng.hou at mediatek.com>

You miss a commit message otherwise the content looks good to me.

> ---
>  arch/arm64/boot/dts/mediatek/mt7622-rfb1.dts | 18 ++++++++++++++++++
>  arch/arm64/boot/dts/mediatek/mt7622.dtsi     | 13 +++++++++++++
>  2 files changed, 31 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/mediatek/mt7622-rfb1.dts b/arch/arm64/boot/dts/mediatek/mt7622-rfb1.dts
> index f2dc850010f1..f4ba86c451fc 100644
> --- a/arch/arm64/boot/dts/mediatek/mt7622-rfb1.dts
> +++ b/arch/arm64/boot/dts/mediatek/mt7622-rfb1.dts
> @@ -223,6 +223,24 @@ &nandc {
>  	status = "disabled";
>  };
>  
> +&snfi {
> +	pinctrl-names = "default";
> +	/* pin shared with spic */
> +	pinctrl-0 = <&snfi_pins>;
> +	nand-ecc-engine = <&bch>;
> +	status = "disabled";
> +
> +	spi_nand at 0 {
> +		compatible = "spi-nand";
> +		reg = <0>;
> +		spi-max-frequency = <104000000>;
> +		spi-tx-bus-width = <4>;
> +		spi-rx-bus-width = <4>;
> +		nand-ecc-engine = <&snfi>;
> +		nand-ecc-placement = "interleaved";
> +	};
> +};
> +
>  &nor_flash {
>  	pinctrl-names = "default";
>  	pinctrl-0 = <&spi_nor_pins>;
> diff --git a/arch/arm64/boot/dts/mediatek/mt7622.dtsi b/arch/arm64/boot/dts/mediatek/mt7622.dtsi
> index 890a942ec608..0525e4de5ec0 100644
> --- a/arch/arm64/boot/dts/mediatek/mt7622.dtsi
> +++ b/arch/arm64/boot/dts/mediatek/mt7622.dtsi
> @@ -545,6 +545,19 @@ nandc: nfi at 1100d000 {
>  		status = "disabled";
>  	};
>  
> +	snfi: spi at 1100d000 {
> +		compatible = "mediatek,mt7622-snfi";
> +		reg = <0 0x1100D000 0 0x1000>;
> +		interrupts = <GIC_SPI 96 IRQ_TYPE_LEVEL_LOW>;
> +		clocks = <&infracfg_ao CK_INFRA_NFI1_CK>,
> +			 <&infracfg_ao CK_INFRA_SPINFI1_CK>,
> +			 <&infracfg_ao CK_INFRA_NFI_HCK_CK>;
> +		clock-names = "nfi_clk", "snfi_clk", "hclk";
> +		#address-cells = <1>;
> +		#size-cells = <0>;
> +		status = "disabled";
> +	};
> +
>  	bch: ecc at 1100e000 {
>  		compatible = "mediatek,mt7622-ecc";
>  		reg = <0 0x1100e000 0 0x1000>;


Thanks,
Miquèl