On 28/06/2022 07:43, Appana Durga Kedareswara rao wrote: > This commit adds documentation for Triple Modular Redundancy (TMR) No "This commit" https://elixir.bootlin.com/linux/v5.17.1/source/Documentation/process/submitting-patches.rst#L95 > Inject IP. > > Signed-off-by: Appana Durga Kedareswara rao <appana.durga.rao@xxxxxxxxxx> > --- > .../bindings/misc/xlnx,tmr-inject.yaml | 47 +++++++++++++++++++ > 1 file changed, 47 insertions(+) > create mode 100644 Documentation/devicetree/bindings/misc/xlnx,tmr-inject.yaml > > diff --git a/Documentation/devicetree/bindings/misc/xlnx,tmr-inject.yaml b/Documentation/devicetree/bindings/misc/xlnx,tmr-inject.yaml > new file mode 100644 > index 000000000000..4daf9539000b > --- /dev/null > +++ b/Documentation/devicetree/bindings/misc/xlnx,tmr-inject.yaml > @@ -0,0 +1,47 @@ > +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/misc/xlnx,tmr-inject.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Xilinx TMR Inject Device Tree Bindings Same comments. > + > +maintainers: > + - Appana Durga Kedareswara rao <appana.durga.rao@xxxxxxxxxx> > + > +description: | > + The Triple Modular Redundancy(TMR) Inject core provides functional fault > + injection by changing selected MicroBlaze instructions, which provides the > + possibility to verify that the TMR subsystem error detection and fault > + recovery logic is working properly. > + > +properties: > + compatible: > + enum: > + - xlnx,tmr-inject-1.0 > + > + reg: > + maxItems: 1 > + > + xlnx,magic: > + minimum: 0 > + maximum: 255 > + description: | > + Magic number used when injecting faults. The fault inject write data least > + significant byte (bits 7:0) must match this number to have any effect. And why exactly register value is a property of DT? > + $ref: /schemas/types.yaml#/definitions/uint32 > + > +required: > + - compatible > + - reg > + - xlnx,magic > + > +additionalProperties: false > + > +examples: > + - | > + tmr-inject@44a30000 { fault-inject? > + compatible = "xlnx,tmr-inject-1.0"; > + reg = <0x44a10000 0x10000>; > + xlnx,magic = <0x46>; > + }; Best regards, Krzysztof
