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    SubjectRe: [RFC][PATCH 2/4] dt-bindings: power: reset: Add document for sram-reboot-mode driver
    On Wed, Aug 03, 2016 at 04:05:21PM -0700, John Stultz wrote:
    > Add device tree binding document for reboot-mode driver
    >
    > Cc: Andy Yan <andy.yan@rock-chips.com>
    > Cc: Rob Herring <robh@kernel.org>
    > Cc: Arnd Bergmann <arnd@arndb.de>
    > Cc: Thierry Reding <treding@nvidia.com>
    > Cc: Heiko Stübner <heiko@sntech.de>
    > Cc: Caesar Wang <wxt@rock-chips.com>
    > Cc: Kees Cook <keescook@chromium.org>
    > Cc: Guodong Xu <guodong.xu@linaro.org>
    > Cc: Haojian Zhuang <haojian.zhuang@linaro.org>
    > Cc: Vishal Bhoj <vishal.bhoj@linaro.org>
    > Cc: Bjorn Andersson <bjorn.andersson@linaro.org>
    > Cc: devicetree@vger.kernel.org
    > Cc: Android Kernel Team <kernel-team@android.com>
    > Signed-off-by: John Stultz <john.stultz@linaro.org>
    > ---
    > .../bindings/power/reset/sram-reboot-mode.txt | 35 ++++++++++++++++++++++
    > 1 file changed, 35 insertions(+)
    > create mode 100644 Documentation/devicetree/bindings/power/reset/sram-reboot-mode.txt
    >
    > diff --git a/Documentation/devicetree/bindings/power/reset/sram-reboot-mode.txt b/Documentation/devicetree/bindings/power/reset/sram-reboot-mode.txt
    > new file mode 100644
    > index 0000000..0a0ed05
    > --- /dev/null
    > +++ b/Documentation/devicetree/bindings/power/reset/sram-reboot-mode.txt
    > @@ -0,0 +1,35 @@
    > +SRAM reboot mode driver

    Bindings don't describe drivers.

    > +
    > +This driver get reboot mode magic value form reboot-mode driver

    s/form/from/

    > +and stores it in a SRAM address. Then the bootloader
    > +can read it and take different action according to the magic
    > +value stored.

    Might say "on the next reboot" somewhere in here.

    > +
    > +This DT node should be represented as a sub-node of a "mmio-sram" node.
    > +
    > +Required properties:
    > +- compatible: should be "sram-reboot-mode"
    > +- reg: offset from the sram range where to store the magic value(in bytes)
    > +
    > +The rest of the properties should follow the generic reboot-mode discription
    > +found in reboot-mode.txt
    > +
    > +Example:
    > +
    > + sram@5f01000 {
    > + compatible = "mmio-sram";
    > + reg = <0x0 0x05f01000 0x0 0x00001000>;
    > + ranges = <0x0 0x0 0x05f01000 0x00001000>;
    > +
    > + #address-cells = <1>;
    > + #size-cells = <1>;
    > +
    > + reboot-mode@0 {
    > + compatible = "sram-reboot-mode";
    > + reg = <0x0 0x4>;
    > +
    > + mode-normal = <0x77665501>;
    > + mode-bootloader = <0x77665500>;
    > + mode-recovery = <0x77665502>;
    > + };
    > + };
    > --
    > 1.9.1
    >

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