Hi Oleksij,
Am 09.06.2017 um 14:57 schrieb Oleksij Rempel:
> Documentation bindings for the Low Power General Purpose Register
> available on i.MX6 SoCs in the Secure Non-Volatile Storage.
>
> Signed-off-by: Oleksij Rempel <o.rempel@xxxxxxxxxxxxxx>
> ---
> .../devicetree/bindings/nvmem/snvs-lpgpr.txt | 19 +++++++++++++++++++
> 1 file changed, 19 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/nvmem/snvs-lpgpr.txt
>
> diff --git a/Documentation/devicetree/bindings/nvmem/snvs-lpgpr.txt b/Documentation/devicetree/bindings/nvmem/snvs-lpgpr.txt
> new file mode 100644
> index 000000000000..21910fb3159f
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/nvmem/snvs-lpgpr.txt
> @@ -0,0 +1,19 @@
> +Device tree bindings for Low Power General Purpose Register found in i.MX6Q/D
> +Secure Non-Volatile Storage.
> +
> +This DT node should be represented as a sub-node of a "syscon",
> +"simple-mfd" node.
> +
> +Required properties:
> +- compatible: should be:
> + "fsl,imx6q-snvs-lpgpr" for Freescale i.MX6Q/D/DL/S
> +
> +Example:
> +snvs: snvs@020cc000 {
> + compatible = "fsl,sec-v4.0-mon", "syscon", "simple-mfd";
> + reg = <0x020cc000 0x4000>;
> +
> + snvs_lpgpr: snvs-lpgpr {
> + compatible = "fsl,imx6q-snvs-lpgpr";
according to the reference manual at least the clock "lp_ipg_clk_s" is
required for register R/W access.
So it should be added to the binding and enabled by the driver.
Best regards
Stefan
> + };
> +};
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