Re: [PATCH] arm: dts: socfpga: denali needs nand_x_clk too

Marek Vasut
2018-06-20T04:52:27Z

On 06/19/2018 02:07 PM, Richard Weinberger wrote:
> The denali NAND flash controller needs at least two clocks to operate,
> nand_clk and nand_x_clk.
> Since 1bb88666775e ("mtd: nand: denali: handle timing parameters by
> setup_data_interface()") nand_x_clk is used to derive timing settings.
>
> Signed-off-by: Richard Weinberger <richard@nod.at>
> ---
> Strictly speaking denali needs a ecc_clk too, but AFAIK such a clock
> is not present on this SoC.
> But my SoCFPGA knowledge is very limited.
>
> Thanks,
> //richard

It looks sane, but I cannot test it right now, since I'm on vacation.
I hope Dinh/Chin can jump in.

> ---
> arch/arm/boot/dts/socfpga.dtsi | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/arch/arm/boot/dts/socfpga.dtsi b/arch/arm/boot/dts/socfpga.dtsi
> index 486d4e7433ed..562f7b375bbd 100644
> --- a/arch/arm/boot/dts/socfpga.dtsi
> +++ b/arch/arm/boot/dts/socfpga.dtsi
> @@ -754,7 +754,8 @@
> reg-names = "nand_data", "denali_reg";
> interrupts = <0x0 0x90 0x4>;
> dma-mask = <0xffffffff>;
> - clocks = <&nand_clk>;
> + clocks = <&nand_clk>, <&nand_x_clk>;
> + clock-names = "nand", "nand_x";
> status = "disabled";
> };
>
>

--
Best regards,
Marek Vasut