diff options
Diffstat (limited to 'dts/Bindings/mailbox/xlnx,zynqmp-ipi-mailbox.yaml')
| -rw-r--r-- | dts/Bindings/mailbox/xlnx,zynqmp-ipi-mailbox.yaml | 143 |
1 files changed, 128 insertions, 15 deletions
diff --git a/dts/Bindings/mailbox/xlnx,zynqmp-ipi-mailbox.yaml b/dts/Bindings/mailbox/xlnx,zynqmp-ipi-mailbox.yaml index 2193141dd7..fe83b5cb12 100644 --- a/dts/Bindings/mailbox/xlnx,zynqmp-ipi-mailbox.yaml +++ b/dts/Bindings/mailbox/xlnx,zynqmp-ipi-mailbox.yaml @@ -1,8 +1,8 @@ # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) %YAML 1.2 --- -$id: "http://devicetree.org/schemas/mailbox/xlnx,zynqmp-ipi-mailbox.yaml#" -$schema: "http://devicetree.org/meta-schemas/core.yaml#" +$id: http://devicetree.org/schemas/mailbox/xlnx,zynqmp-ipi-mailbox.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# title: Xilinx IPI(Inter Processor Interrupt) mailbox controller @@ -33,11 +33,13 @@ description: | +------------------------------------------+ maintainers: - - Shubhrajyoti Datta <shubhrajyoti.datta@xilinx.com> + - Shubhrajyoti Datta <shubhrajyoti.datta@amd.com> properties: compatible: - const: xlnx,zynqmp-ipi-mailbox + enum: + - xlnx,zynqmp-ipi-mailbox + - xlnx,versal-ipi-mailbox method: description: | @@ -58,6 +60,12 @@ properties: '#size-cells': const: 2 + reg: + maxItems: 2 + + reg-names: + maxItems: 2 + xlnx,ipi-id: description: | Remote Xilinx IPI agent ID of which the mailbox is connected to. @@ -72,7 +80,22 @@ patternProperties: '^mailbox@[0-9a-f]+$': description: Internal ipi mailbox node type: object # DT nodes are json objects + additionalProperties: false properties: + + compatible: + enum: + - xlnx,zynqmp-ipi-dest-mailbox + - xlnx,versal-ipi-dest-mailbox + + reg: + minItems: 1 + maxItems: 4 + + reg-names: + minItems: 1 + maxItems: 4 + xlnx,ipi-id: description: Remote Xilinx IPI agent ID of which the mailbox is connected to. @@ -83,22 +106,44 @@ patternProperties: description: It contains tx(0) or rx(1) channel IPI id number. - reg: - maxItems: 4 - - reg-names: - items: - - const: local_request_region - - const: local_response_region - - const: remote_request_region - - const: remote_response_region + allOf: + - if: + properties: + compatible: + contains: + enum: + - xlnx,zynqmp-ipi-dest-mailbox + then: + properties: + reg: + maxItems: 4 + + reg-names: + items: + - const: local_request_region + - const: local_response_region + - const: remote_request_region + - const: remote_response_region + else: + properties: + reg: + minItems: 1 + items: + - description: Remote IPI agent control register region + - description: Remote IPI agent optional message buffers + + reg-names: + minItems: 1 + items: + - const: ctrl + - const: msg required: + - compatible - reg - reg-names - "#mbox-cells" - -additionalProperties: false + - xlnx,ipi-id required: - compatible @@ -107,6 +152,36 @@ required: - '#size-cells' - xlnx,ipi-id +allOf: + - if: + properties: + compatible: + contains: + enum: + - xlnx,zynqmp-ipi-mailbox + then: + properties: + reg: false + reg-names: false + + else: + properties: + reg: + items: + - description: Host IPI agent control register region + - description: Host IPI agent optional message buffers + + reg-names: + items: + - const: ctrl + - const: msg + + required: + - reg + - reg-names + +additionalProperties: false + examples: - | #include<dt-bindings/interrupt-controller/arm-gic.h> @@ -123,6 +198,7 @@ examples: ranges; mailbox: mailbox@ff9905c0 { + compatible = "xlnx,zynqmp-ipi-dest-mailbox"; reg = <0x0 0xff9905c0 0x0 0x20>, <0x0 0xff9905e0 0x0 0x20>, <0x0 0xff990e80 0x0 0x20>, @@ -137,4 +213,41 @@ examples: }; }; + - | + #include<dt-bindings/interrupt-controller/arm-gic.h> + + bus { + #address-cells = <2>; + #size-cells = <2>; + mailbox@ff300000 { + compatible = "xlnx,versal-ipi-mailbox"; + interrupts = <GIC_SPI 29 IRQ_TYPE_LEVEL_HIGH>; + #address-cells = <2>; + #size-cells = <2>; + reg = <0x0 0xff300000 0x0 0x1000>, + <0x0 0xff990000 0x0 0x1ff>; + reg-names = "ctrl", "msg"; + xlnx,ipi-id = <0>; + ranges; + + /* buffered IPI */ + mailbox@ff340000 { + compatible = "xlnx,versal-ipi-dest-mailbox"; + reg = <0x0 0xff340000 0x0 0x1000>, + <0x0 0xff990400 0x0 0x1ff>; + reg-names = "ctrl", "msg"; + #mbox-cells = <1>; + xlnx,ipi-id = <4>; + }; + + /* bufferless IPI */ + mailbox@ff370000 { + compatible = "xlnx,versal-ipi-dest-mailbox"; + reg = <0x0 0xff370000 0x0 0x1000>; + reg-names = "ctrl"; + #mbox-cells = <1>; + xlnx,ipi-id = <7>; + }; + }; + }; ... |