diff options
| -rw-r--r-- | Documentation/devicetree/bindings/mailbox/apm,xgene-slimpro-mbox.yaml | 62 | ||||
| -rw-r--r-- | Documentation/devicetree/bindings/mailbox/xgene-slimpro-mailbox.txt | 35 |
2 files changed, 62 insertions, 35 deletions
diff --git a/Documentation/devicetree/bindings/mailbox/apm,xgene-slimpro-mbox.yaml b/Documentation/devicetree/bindings/mailbox/apm,xgene-slimpro-mbox.yaml new file mode 100644 index 000000000000..815f08d61de8 --- /dev/null +++ b/Documentation/devicetree/bindings/mailbox/apm,xgene-slimpro-mbox.yaml @@ -0,0 +1,62 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/apm,xgene-slimpro-mbox.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: APM X-Gene SLIMpro mailbox + +maintainers: + - Khuong Dinh <khuong@os.amperecomputing.com> + +description: + The APM X-Gene SLIMpro mailbox is used to communicate messages between + the ARM64 processors and the Cortex M3 (dubbed SLIMpro). It uses a simple + interrupt based door bell mechanism and can exchange simple messages using the + internal registers. + +properties: + compatible: + const: apm,xgene-slimpro-mbox + + reg: + maxItems: 1 + + interrupts: + items: + - description: mailbox channel 0 doorbell + - description: mailbox channel 1 doorbell + - description: mailbox channel 2 doorbell + - description: mailbox channel 3 doorbell + - description: mailbox channel 4 doorbell + - description: mailbox channel 5 doorbell + - description: mailbox channel 6 doorbell + - description: mailbox channel 7 doorbell + + '#mbox-cells': + description: Number of mailbox channel. + const: 1 + +required: + - compatible + - reg + - interrupts + - '#mbox-cells' + +additionalProperties: false + +examples: + - | + mailbox@10540000 { + compatible = "apm,xgene-slimpro-mbox"; + reg = <0x10540000 0xa000>; + #mbox-cells = <1>; + interrupts = <0x0 0x0 0x4>, + <0x0 0x1 0x4>, + <0x0 0x2 0x4>, + <0x0 0x3 0x4>, + <0x0 0x4 0x4>, + <0x0 0x5 0x4>, + <0x0 0x6 0x4>, + <0x0 0x7 0x4>; + }; diff --git a/Documentation/devicetree/bindings/mailbox/xgene-slimpro-mailbox.txt b/Documentation/devicetree/bindings/mailbox/xgene-slimpro-mailbox.txt deleted file mode 100644 index e46451bb242f..000000000000 --- a/Documentation/devicetree/bindings/mailbox/xgene-slimpro-mailbox.txt +++ /dev/null @@ -1,35 +0,0 @@ -The APM X-Gene SLIMpro mailbox is used to communicate messages between -the ARM64 processors and the Cortex M3 (dubbed SLIMpro). It uses a simple -interrupt based door bell mechanism and can exchange simple messages using the -internal registers. - -There are total of 8 interrupts in this mailbox. Each used for an individual -door bell (or mailbox channel). - -Required properties: -- compatible: Should be as "apm,xgene-slimpro-mbox". - -- reg: Contains the mailbox register address range. - -- interrupts: 8 interrupts must be from 0 to 7, interrupt 0 define the - the interrupt for mailbox channel 0 and interrupt 1 for - mailbox channel 1 and so likewise for the reminder. - -- #mbox-cells: only one to specify the mailbox channel number. - -Example: - -Mailbox Node: - mailbox: mailbox@10540000 { - compatible = "apm,xgene-slimpro-mbox"; - reg = <0x0 0x10540000 0x0 0xa000>; - #mbox-cells = <1>; - interrupts = <0x0 0x0 0x4>, - <0x0 0x1 0x4>, - <0x0 0x2 0x4>, - <0x0 0x3 0x4>, - <0x0 0x4 0x4>, - <0x0 0x5 0x4>, - <0x0 0x6 0x4>, - <0x0 0x7 0x4>, - }; |