* Suman Anna <s-anna@xxxxxx> [151002 16:27]:
> The DSP_SYSTEM sub-module is a dedicated system control logic
> module present within a DRA7 DSP processor sub-system. This
> module is responsible for power management, clock generation
> and connection to the device PRCM module.
>
> Add a syscon node for this module for the DSP1 processor
> sub-system. This is added as a syscon node as it is a common
> configuration module that can be used by the different IOMMU
> instances and the corresponding remoteproc device.
>
> The node is added to the common dra7.dtsi file, as the DSP1
> processor sub-system is mostly common across all the variants
> of the DRA7 SoC family.
>
> Signed-off-by: Suman Anna <s-anna@xxxxxx>
> ---
> arch/arm/boot/dts/dra7.dtsi | 5 +++++
> 1 file changed, 5 insertions(+)
>
> diff --git a/arch/arm/boot/dts/dra7.dtsi b/arch/arm/boot/dts/dra7.dtsi
> index e289c706d27d..62055094e8d5 100644
> --- a/arch/arm/boot/dts/dra7.dtsi
> +++ b/arch/arm/boot/dts/dra7.dtsi
> @@ -292,6 +292,11 @@
> #thermal-sensor-cells = <1>;
> };
>
> + dsp1_system: dsp_system@40d00000 {
> + compatible = "syscon";
> + reg = <0x40d00000 0x100>;
> + };
> +
> sdma: dma-controller@4a056000 {
> compatible = "ti,omap4430-sdma";
> reg = <0x4a056000 0x1000>;
Hmm so why would you want to set up a complete device as a syscon
mapping rather than just doing ioremap on it?
What drivers will be sharing access to these registers?
Regards,
Tony
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