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SubjectRe: [PATCHv2] arm64: dts: stratix10: Add QSPI support for Stratix10
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On 05/11/2018 11:10 AM, thor.thayer@linux.intel.com wrote:
> From: Thor Thayer <thor.thayer@linux.intel.com>
>
> Add qspi_clock
> The qspi_clk frequency is updated by U-Boot before starting Linux.
> Add QSPI interface node.
> Add QSPI flash memory child node.
> Setup the QSPI memory in 2 partitions.
>
> Signed-off-by: Thor Thayer <thor.thayer@linux.intel.com>
> ---
> v2 s/_/-/ in qspi-clk
> rename flash node.
> use partition child node notation
> ---
> arch/arm64/boot/dts/altera/socfpga_stratix10.dtsi | 22 ++++++++++++++
> .../boot/dts/altera/socfpga_stratix10_socdk.dts | 35 ++++++++++++++++++++++
> 2 files changed, 57 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/altera/socfpga_stratix10.dtsi b/arch/arm64/boot/dts/altera/socfpga_stratix10.dtsi
> index e6b059378dc0..bac01b0b7907 100644
> --- a/arch/arm64/boot/dts/altera/socfpga_stratix10.dtsi
> +++ b/arch/arm64/boot/dts/altera/socfpga_stratix10.dtsi
> @@ -119,6 +119,12 @@
> #clock-cells = <0>;
> compatible = "fixed-clock";
> };
> +
> + qspi_clk: qspi-clk {
> + #clock-cells = <0>;
> + compatible = "fixed-clock";
> + clock-frequency = <200000000>;
> + };
> };
>
> gmac0: ethernet@ff800000 {
> @@ -466,5 +472,21 @@
> interrupts = <16 4>, <48 4>;
> };
> };
> +
> + qspi: spi@ff8d2000 {
> + compatible = "cdns,qspi-nor";
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <0xff8d2000 0x100>,
> + <0xff900000 0x100000>;
> + interrupts = <0 3 4>;
> + cdns,fifo-depth = <128>;
> + cdns,fifo-width = <4>;
> + cdns,trigger-address = <0x00000000>;
> + clocks = <&qspi_clk>;
> + bus-num = <1>;

I don't you need "bus-num" anymore right? I don't see it getting used
anywhere in the driver.

Dinh

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