Add device tree bindings for Xilinx Versal EDAC for DDR controller. Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx> Co-developed-by: Sai Krishna Potthuri <sai.krishna.potthuri@xxxxxxx> Signed-off-by: Sai Krishna Potthuri <sai.krishna.potthuri@xxxxxxx> Signed-off-by: Shubhrajyoti Datta <shubhrajyoti.datta@xxxxxxx> --- Changes in v7: Update the subject to add memory-controllers instead of edac Changes in v4: Update the reviewed by tag Changes in v2: remove edac from compatible Update the description update the ddrmc_base and ddrmc_noc_base names .../xlnx,versal-ddrmc-edac.yaml | 57 +++++++++++++++++++ 1 file changed, 57 insertions(+) create mode 100644 Documentation/devicetree/bindings/memory-controllers/xlnx,versal-ddrmc-edac.yaml diff --git a/Documentation/devicetree/bindings/memory-controllers/xlnx,versal-ddrmc-edac.yaml b/Documentation/devicetree/bindings/memory-controllers/xlnx,versal-ddrmc-edac.yaml new file mode 100644 index 000000000000..12f8e9f350bc --- /dev/null +++ b/Documentation/devicetree/bindings/memory-controllers/xlnx,versal-ddrmc-edac.yaml @@ -0,0 +1,57 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/memory-controllers/xlnx,versal-ddrmc-edac.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Xilinx Versal DDRMC (Integrated DDR Memory Controller) + +maintainers: + - Shubhrajyoti Datta <shubhrajyoti.datta@xxxxxxx> + - Sai Krishna Potthuri <sai.krishna.potthuri@xxxxxxx> + +description: + The integrated DDR Memory Controllers (DDRMCs) support both DDR4 and LPDDR4/ + 4X memory interfaces. Versal DDR memory controller has an optional ECC support + which correct single bit ECC errors and detect double bit ECC errors. + +properties: + compatible: + const: xlnx,versal-ddrmc + + reg: + items: + - description: DDR Memory Controller registers + - description: NOC registers corresponding to DDR Memory Controller + + reg-names: + items: + - const: base + - const: noc + + interrupts: + maxItems: 1 + +required: + - compatible + - reg + - reg-names + - interrupts + +additionalProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/arm-gic.h> + + bus { + #address-cells = <2>; + #size-cells = <2>; + memory-controller@f6150000 { + compatible = "xlnx,versal-ddrmc"; + reg = <0x0 0xf6150000 0x0 0x2000>, <0x0 0xf6070000 0x0 0x20000>; + reg-names = "base", "noc"; + interrupt-parent = <&gic>; + interrupts = <GIC_SPI 147 IRQ_TYPE_LEVEL_HIGH>; + }; + }; -- 2.17.1
