Hi!
On Mon, Mar 31, 2014 at 05:07:06PM -0500, tthayer@xxxxxxxxxx wrote:
> From: Thor Thayer <tthayer@xxxxxxxxxx>
>
> Addition of the Altera SDRAM controller bindings and device
> tree changes to the Altera SoC project.
>
> Signed-off-by: Thor Thayer <tthayer@xxxxxxxxxx>
> To: Rob Herring <rob.herring@xxxxxxxxxxx>
> To: Pawel Moll <pawel.moll@xxxxxxx>
> To: Mark Rutland <mark.rutland@xxxxxxx>
> To: Ian Campbell <ijc+devicetree@xxxxxxxxxxxxxx>
> To: Kumar Gala <galak@xxxxxxxxxxxxxx>
> To: Rob Landley <rob@xxxxxxxxxxx>
> To: Russell King <linux@xxxxxxxxxxxxxxxx>
> To: Dinh Nguyen <dinguyen@xxxxxxxxxx>
> Cc: devicetree@xxxxxxxxxxxxxxx
> Cc: linux-doc@xxxxxxxxxxxxxxx
> Cc: linux-kernel@xxxxxxxxxxxxxxx
> Cc: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
> ---
> .../bindings/arm/altera/socfpga-sdram.txt | 14 ++++++++++++++
> arch/arm/boot/dts/socfpga.dtsi | 5 +++++
> 2 files changed, 19 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/arm/altera/socfpga-sdram.txt
>
> diff --git a/Documentation/devicetree/bindings/arm/altera/socfpga-sdram.txt b/Documentation/devicetree/bindings/arm/altera/socfpga-sdram.txt
> new file mode 100644
> index 0000000..351ab7b
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/arm/altera/socfpga-sdram.txt
> @@ -0,0 +1,14 @@
> +Altera SOCFPGA SDRAM Controller
> +
> +Required properties:
> +- compatible : "altr,sdr-ctl", "syscon";
> + Note that syscon is invoked for this device to support the FPGA
> + bridge driver and possibly other devices in the future. See
> + also Documentation/devicetree/bindings/mfd/syscon.txt
This note is really linux specific (and specific to some vendor kernel driver
for that matter). I think you should remove that.
> +- reg : Should contain 1 register ranges(address and length)
> +
> +Example:
> + sdrctl@0xffc25000 {
> + compatible = "altr,sdr-ctl", "syscon";
> + reg = <0xffc25000 0x1000>;
> + };
> diff --git a/arch/arm/boot/dts/socfpga.dtsi b/arch/arm/boot/dts/socfpga.dtsi
> index 9e78c1d..3634de7 100644
> --- a/arch/arm/boot/dts/socfpga.dtsi
> +++ b/arch/arm/boot/dts/socfpga.dtsi
> @@ -528,6 +528,11 @@
> reg-io-width = <4>;
> };
>
> + sdrctl@0xffc25000 {
> + compatible = "altr,sdr-ctl", "syscon";
> + reg = <0xffc25000 0x1000>;
> + };
> +
> rstmgr@ffd05000 {
> compatible = "altr,rst-mgr";
> reg = <0xffd05000 0x1000>;
Regards,
Steffen
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