[PATCH v4 4/8] arm64: dts: rockchip: add SPI flash on NanoPC-T6

[Jonas Karlman]

Hi Marcin,

On 2024-08-22 15:32, Marcin Juszkiewicz wrote:
> FriendlyELEC NanoPC-T6 has optional SPI flash chip on-board.
> It is populated with 32MB one on LTS version.
> 
> Signed-off-by: Marcin Juszkiewicz <marcin.juszkiewicz at linaro.org>
> ---
>  arch/arm64/boot/dts/rockchip/rk3588-nanopc-t6.dtsi | 15 +++++++++++++++
>  1 file changed, 15 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/rockchip/rk3588-nanopc-t6.dtsi b/arch/arm64/boot/dts/rockchip/rk3588-nanopc-t6.dtsi
> index ce0db9b8b126..292022a56332 100644
> --- a/arch/arm64/boot/dts/rockchip/rk3588-nanopc-t6.dtsi
> +++ b/arch/arm64/boot/dts/rockchip/rk3588-nanopc-t6.dtsi
> @@ -560,6 +560,21 @@ &sdmmc {
>  	status = "okay";
>  };
>  
> +/* optional on non-LTS, populated on LTS version */
> +&sfc {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&fspim1_pins>;
> +	status = "okay";
> +
> +	flash at 0 {
> +		compatible = "jedec,spi-nor";
> +		reg = <0>;
> +		spi-max-frequency = <104000000>;
> +		spi-rx-bus-width = <4>;
> +		spi-tx-bus-width = <1>;
> +	};
> +};

This matches what we have and works in U-Boot for non-LTS version, so

Reviewed-by: Jonas Karlman <jonas at kwiboo.se>

Regards,
Jonas

> +
>  &spi2 {
>  	status = "okay";
>  	assigned-clocks = <&cru CLK_SPI2>;
>