On Sun, May 29, 2016 at 01:12:02PM +0200, Carlo Caione wrote:
> From: Carlo Caione <carlo@xxxxxxxxxxxx>
>
> Add the binding documentation for the Amlogic secure monitor driver.
>
> Signed-off-by: Carlo Caione <carlo@xxxxxxxxxxxx>
> ---
> .../bindings/firmware/meson/meson_sm.txt | 33 ++++++++++++++++++++++
> 1 file changed, 33 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/firmware/meson/meson_sm.txt
>
> diff --git a/Documentation/devicetree/bindings/firmware/meson/meson_sm.txt b/Documentation/devicetree/bindings/firmware/meson/meson_sm.txt
> new file mode 100644
> index 0000000..6f0b5bc
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/firmware/meson/meson_sm.txt
> @@ -0,0 +1,33 @@
> +* Amlogic Secure Monitor
> +
> +In the Amlogic SoCs the Secure Monitor code is used to provide access to the
> +NVMEM, enable JTAG, set USB boot, etc...
> +
> +Required properties for the secure monitor node:
> +- compatible: Should be "amlogic,meson-gxbb-sm"
> +
> +Example:
> +
> + firmware {
> + compatible = "simple-bus";
Drop this. Sorry, but no abusing simple-bus to get automagic creation of
your platform device.
> +
> + sm: secure-monitor {
> + compatible = "amlogic,meson-gxbb-sm";
> + };
> + };
> +
> +Example of the node using the secure monitor:
> +
> + #include <dt-bindings/firmware/meson-sm.h>
> +
> + ...
> +
> + efuse: efuse {
> + compatible = "amlogic,meson-gxbb-efuse";
> + secure-monitor = <&sm>;
Why do you need this? Given there can only be one node, just use
of_find_compatible_node();
> + #address-cells = <1>;
> + #size-cells = <1>;
> +
> + ...
> + };
> +
> --
> 2.7.4
>
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