Re: [PATCH v2 1/2] remoteproc: dt: Provide bindings for iMX6SX/7D Remote Processor Controller driver

From: Rob Herring
Date: Thu Aug 10 2017 - 22:59:33 EST


On Tue, Aug 08, 2017 at 10:00:29AM +0200, Oleksij Rempel wrote:
> Signed-off-by: Oleksij Rempel <o.rempel@xxxxxxxxxxxxxx>
> ---
> .../devicetree/bindings/remoteproc/imx-rproc.txt | 33 ++++++++++++++++++++++
> 1 file changed, 33 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/remoteproc/imx-rproc.txt
>
> diff --git a/Documentation/devicetree/bindings/remoteproc/imx-rproc.txt b/Documentation/devicetree/bindings/remoteproc/imx-rproc.txt
> new file mode 100644
> index 000000000000..faf30ef3d6cf
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/remoteproc/imx-rproc.txt
> @@ -0,0 +1,33 @@
> +NXP iMX6SX/iMX7D Co-Processor Bindings
> +----------------------------------------
> +
> +This binding provides support for ARM Cortex M4 Co-processor found on some
> +NXP iMX SoCs.
> +
> +Required properties:
> +- compatible Should be one of:
> + "fsl,imx7d-rproc"
> + "fsl,imx6sx-rproc"

rproc is a Linuxism. Name it after what the M4 is called.

> +- clocks Clock for co-processor (See: ../clock/clock-bindings.txt)
> +- syscon Phandle to syscon block which provide access to
> + System Reset Controller
> +
> +Optional properties:
> +- memory-region list of phandels to the reserved memory regions.
> + (See: ../reserved-memory/reserved-memory.txt)
> +
> +Example:
> + m4_reserved_sysmem1: rproc@80000000 {
> + reg = <0x80000000 0x80000>;
> + };
> +
> + m4_reserved_sysmem2: rproc@81000000 {
> + reg = <0x81000000 0x80000>;
> + };
> +
> + imx7d-rproc {
> + compatible = "fsl,imx7d-rproc";
> + memory-region = <&m4_reserved_sysmem1>, <&m4_reserved_sysmem2>;
> + syscon = <&src>;
> + clocks = <&clks IMX7D_ARM_M4_ROOT_CLK>;
> + };
> --
> 2.11.0
>