From: Shubhrajyoti Datta <shubhrajyoti.datta@xxxxxxxxxx> Add bindings for Xilinx ZynqMP OCM controller. Signed-off-by: Shubhrajyoti Datta <shubhrajyoti.datta@xxxxxxxxxx> Co-developed-by: Sai Krishna Potthuri <sai.krishna.potthuri@xxxxxxx> Signed-off-by: Sai Krishna Potthuri <sai.krishna.potthuri@xxxxxxx> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx> --- .../xlnx,zynqmp-ocmc-1.0.yaml | 45 +++++++++++++++++++ 1 file changed, 45 insertions(+) create mode 100644 Documentation/devicetree/bindings/memory-controllers/xlnx,zynqmp-ocmc-1.0.yaml diff --git a/Documentation/devicetree/bindings/memory-controllers/xlnx,zynqmp-ocmc-1.0.yaml b/Documentation/devicetree/bindings/memory-controllers/xlnx,zynqmp-ocmc-1.0.yaml new file mode 100644 index 000000000000..ca9fc747bf4f --- /dev/null +++ b/Documentation/devicetree/bindings/memory-controllers/xlnx,zynqmp-ocmc-1.0.yaml @@ -0,0 +1,45 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/memory-controllers/xlnx,zynqmp-ocmc-1.0.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Xilinx Zynqmp OCM(On-Chip Memory) Controller + +maintainers: + - Shubhrajyoti Datta <shubhrajyoti.datta@xxxxxxx> + - Sai Krishna Potthuri <sai.krishna.potthuri@xxxxxxx> + +description: | + The OCM supports 64-bit wide ECC functionality to detect multi-bit errors + and recover from a single-bit memory fault.On a write, if all bytes are + being written, the ECC is generated and written into the ECC RAM along with + the write-data that is written into the data RAM. If one or more bytes are + not written, then the read operation results in an correctable error or + uncorrectable error. + +properties: + compatible: + const: xlnx,zynqmp-ocmc-1.0 + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + +required: + - compatible + - reg + - interrupts + +additionalProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/arm-gic.h> + memory-controller@ff960000 { + compatible = "xlnx,zynqmp-ocmc-1.0"; + reg = <0xff960000 0x1000>; + interrupts = <GIC_SPI 10 IRQ_TYPE_LEVEL_HIGH>; + }; -- 2.25.1
