Re: [PATCH] ARM: dts: imx: fix clocks for cspi
Alexander Shiyan
shc_work at mail.ru
Thu May 23 08:01:14 EDT 2013
> The CSPI controller has only one clock, but the driver spi-imx.c needs clock "per" to calculate bitrate divisor.
>
> Signed-off-by: Jonas Andersson <jonas at microbit.se>
> ---
> arch/arm/boot/dts/imx25.dtsi | 12 ++++++------
> arch/arm/boot/dts/imx27.dtsi | 6 +++---
> arch/arm/boot/dts/imx51.dtsi | 2 +-
> arch/arm/boot/dts/imx53.dtsi | 2 +-
> 4 files changed, 11 insertions(+), 11 deletions(-)
>
> diff --git a/arch/arm/boot/dts/imx25.dtsi b/arch/arm/boot/dts/imx25.dtsi
> index d2550e0..7011539 100644
> --- a/arch/arm/boot/dts/imx25.dtsi
> +++ b/arch/arm/boot/dts/imx25.dtsi
> @@ -141,8 +141,8 @@
> #size-cells = <0>;
> compatible = "fsl,imx25-cspi", "fsl,imx35-cspi";
> reg = <0x43fa4000 0x4000>;
> - clocks = <&clks 62>;
> - clock-names = "ipg";
> + clocks = <&clks 62>, <&clks 62>;
> + clock-names = "ipg", "per";
> interrupts = <14>;
> status = "disabled";
> };
Why you do not use "dummy" clock for "per" here?
This variant will request/enable one clock two times.
---
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