Apple SoCs such as the M1 come with an embedded NVMe coprocessor called ANS2. Signed-off-by: Sven Peter <sven@xxxxxxxxxxxxx> --- .../bindings/soc/apple/apple,nvme-ans.yaml | 75 +++++++++++++++++++ 1 file changed, 75 insertions(+) create mode 100644 Documentation/devicetree/bindings/soc/apple/apple,nvme-ans.yaml diff --git a/Documentation/devicetree/bindings/soc/apple/apple,nvme-ans.yaml b/Documentation/devicetree/bindings/soc/apple/apple,nvme-ans.yaml new file mode 100644 index 000000000000..e1f4c1c572aa --- /dev/null +++ b/Documentation/devicetree/bindings/soc/apple/apple,nvme-ans.yaml @@ -0,0 +1,75 @@ +# SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/soc/apple/apple,nvme-ans.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Apple ANS NVM Express host controller + +maintainers: + - Sven Peter <sven@xxxxxxxxxxxxx> + +properties: + compatible: + items: + - enum: + - apple,t8103-nvme-ans2 + - apple,t6000-nvme-ans2 + - const: apple,nvme-ans2 + + reg: + items: + - description: NVMe and NVMMU registers + - description: ANS2 co-processor control registers + + reg-names: + items: + - const: nvme + - const: ans + + resets: + maxItems: 1 + + power-domains: true + + mboxes: + maxItems: 1 + description: Mailbox of the ANS2 co-processor + + interrupts: + maxItems: 1 + + apple,sart: + maxItems: 1 + $ref: /schemas/types.yaml#/definitions/phandle + description: | + Reference to the SART address filter. + + The SART address filter is documented in apple,sart.yaml. + +required: + - compatible + - reg + - reg-names + - resets + - mboxes + - interrupts + - apple,sart + +additionalProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/apple-aic.h> + #include <dt-bindings/interrupt-controller/irq.h> + + nvme@7bcc0000 { + compatible = "apple,t8103-nvme-ans2", "apple,nvme-ans2"; + reg = <0x7bcc0000 0x40000>, <0x77400000 0x4000>; + reg-names = "nvme", "ans"; + interrupts = <AIC_IRQ 590 IRQ_TYPE_LEVEL_HIGH>; + mboxes = <&ans>; + apple,sart = <&sart>; + power-domains = <&ps_ans2>; + resets = <&ps_ans2>; + }; -- 2.25.1
