Re: [PATCH v4 3/3] riscv: dts: starfive: Add QSPI controller node for StarFive JH7110 SoC

[Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>]

On 04/07/2023 11:04, William Qiu wrote:
> Add the quad spi controller node for the StarFive JH7110 SoC.
> 
> Co-developed-by: Ziv Xu <ziv.xu@xxxxxxxxxxxxxxxx>
> Signed-off-by: Ziv Xu <ziv.xu@xxxxxxxxxxxxxxxx>
> Signed-off-by: William Qiu <william.qiu@xxxxxxxxxxxxxxxx>
> Reviewed-by: Hal Feng <hal.feng@xxxxxxxxxxxxxxxx>

...

> +		qspi: spi@13010000 {
> +			compatible = "starfive,jh7110-qspi", "cdns,qspi-nor";
> +			reg = <0x0 0x13010000 0x0 0x10000>,
> +			      <0x0 0x21000000 0x0 0x400000>;
> +			interrupts = <25>;
> +			clocks = <&syscrg JH7110_SYSCLK_QSPI_REF>,
> +				 <&syscrg JH7110_SYSCLK_QSPI_AHB>,
> +				 <&syscrg JH7110_SYSCLK_QSPI_APB>;
> +			clock-names = "ref", "ahb", "apb";
> +			resets = <&syscrg JH7110_SYSRST_QSPI_APB>,
> +				 <&syscrg JH7110_SYSRST_QSPI_AHB>,
> +				 <&syscrg JH7110_SYSRST_QSPI_REF>;
> +			reset-names = "qspi", "qspi-ocp", "rstc_ref";
> +			cdns,fifo-depth = <256>;
> +			cdns,fifo-width = <4>;
> +			cdns,trigger-address = <0x0>;

Bus nodes are usually disabled by default and enabled when needed for
specific boards.

Best regards,
Krzysztof