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-rw-r--r--Documentation/devicetree/bindings/arm/l2c2x0.yaml132
1 files changed, 61 insertions, 71 deletions
diff --git a/Documentation/devicetree/bindings/arm/l2c2x0.yaml b/Documentation/devicetree/bindings/arm/l2c2x0.yaml
index 913a8cd8b2c0..6b8f4d4fa580 100644
--- a/Documentation/devicetree/bindings/arm/l2c2x0.yaml
+++ b/Documentation/devicetree/bindings/arm/l2c2x0.yaml
@@ -29,27 +29,30 @@ allOf:
properties:
compatible:
- enum:
- - arm,pl310-cache
- - arm,l220-cache
- - arm,l210-cache
- # DEPRECATED by "brcm,bcm11351-a2-pl310-cache"
- - bcm,bcm11351-a2-pl310-cache
- # For Broadcom bcm11351 chipset where an
- # offset needs to be added to the address before passing down to the L2
- # cache controller
- - brcm,bcm11351-a2-pl310-cache
- # Marvell Controller designed to be
- # compatible with the ARM one, with system cache mode (meaning
- # maintenance operations on L1 are broadcasted to the L2 and L2
- # performs the same operation).
- - marvell,aurora-system-cache
- # Marvell Controller designed to be
- # compatible with the ARM one with outer cache mode.
- - marvell,aurora-outer-cache
- # Marvell Tauros3 cache controller, compatible
- # with arm,pl310-cache controller.
- - marvell,tauros3-cache
+ oneOf:
+ - enum:
+ - arm,pl310-cache
+ - arm,l220-cache
+ - arm,l210-cache
+ # DEPRECATED by "brcm,bcm11351-a2-pl310-cache"
+ - bcm,bcm11351-a2-pl310-cache
+ # For Broadcom bcm11351 chipset where an
+ # offset needs to be added to the address before passing down to the L2
+ # cache controller
+ - brcm,bcm11351-a2-pl310-cache
+ # Marvell Controller designed to be
+ # compatible with the ARM one, with system cache mode (meaning
+ # maintenance operations on L1 are broadcasted to the L2 and L2
+ # performs the same operation).
+ - marvell,aurora-system-cache
+ # Marvell Controller designed to be
+ # compatible with the ARM one with outer cache mode.
+ - marvell,aurora-outer-cache
+ - items:
+ # Marvell Tauros3 cache controller, compatible
+ # with arm,pl310-cache controller.
+ - const: marvell,tauros3-cache
+ - const: arm,pl310-cache
cache-level:
const: 2
@@ -67,43 +70,39 @@ properties:
description: Cycles of latency for Data RAM accesses. Specifies 3 cells of
read, write and setup latencies. Minimum valid values are 1. Controllers
without setup latency control should use a value of 0.
- allOf:
- - $ref: /schemas/types.yaml#/definitions/uint32-array
- - minItems: 2
- maxItems: 3
- items:
- minimum: 0
- maximum: 8
+ $ref: /schemas/types.yaml#/definitions/uint32-array
+ minItems: 2
+ maxItems: 3
+ items:
+ minimum: 0
+ maximum: 8
arm,tag-latency:
description: Cycles of latency for Tag RAM accesses. Specifies 3 cells of
read, write and setup latencies. Controllers without setup latency control
should use 0. Controllers without separate read and write Tag RAM latency
values should only use the first cell.
- allOf:
- - $ref: /schemas/types.yaml#/definitions/uint32-array
- - minItems: 1
- maxItems: 3
- items:
- minimum: 0
- maximum: 8
+ $ref: /schemas/types.yaml#/definitions/uint32-array
+ minItems: 1
+ maxItems: 3
+ items:
+ minimum: 0
+ maximum: 8
arm,dirty-latency:
description: Cycles of latency for Dirty RAMs. This is a single cell.
- allOf:
- - $ref: /schemas/types.yaml#/definitions/uint32
- - minimum: 1
- maximum: 8
+ $ref: /schemas/types.yaml#/definitions/uint32
+ minimum: 1
+ maximum: 8
arm,filter-ranges:
description: <start length> Starting address and length of window to
filter. Addresses in the filter window are directed to the M1 port. Other
addresses will go to the M0 port.
- allOf:
- - $ref: /schemas/types.yaml#/definitions/uint32-array
- - items:
- minItems: 2
- maxItems: 2
+ $ref: /schemas/types.yaml#/definitions/uint32-array
+ items:
+ minItems: 2
+ maxItems: 2
arm,io-coherent:
description: indicates that the system is operating in an hardware
@@ -128,36 +127,31 @@ properties:
arm,double-linefill:
description: Override double linefill enable setting. Enable if
non-zero, disable if zero.
- allOf:
- - $ref: /schemas/types.yaml#/definitions/uint32
- - enum: [ 0, 1 ]
+ $ref: /schemas/types.yaml#/definitions/uint32
+ enum: [0, 1]
arm,double-linefill-incr:
description: Override double linefill on INCR read. Enable
if non-zero, disable if zero.
- allOf:
- - $ref: /schemas/types.yaml#/definitions/uint32
- - enum: [ 0, 1 ]
+ $ref: /schemas/types.yaml#/definitions/uint32
+ enum: [0, 1]
arm,double-linefill-wrap:
description: Override double linefill on WRAP read. Enable
if non-zero, disable if zero.
- allOf:
- - $ref: /schemas/types.yaml#/definitions/uint32
- - enum: [ 0, 1 ]
+ $ref: /schemas/types.yaml#/definitions/uint32
+ enum: [0, 1]
arm,prefetch-drop:
description: Override prefetch drop enable setting. Enable if non-zero,
disable if zero.
- allOf:
- - $ref: /schemas/types.yaml#/definitions/uint32
- - enum: [ 0, 1 ]
+ $ref: /schemas/types.yaml#/definitions/uint32
+ enum: [0, 1]
arm,prefetch-offset:
description: Override prefetch offset value.
- allOf:
- - $ref: /schemas/types.yaml#/definitions/uint32
- - enum: [ 0, 1, 2, 3, 4, 5, 6, 7, 15, 23, 31 ]
+ $ref: /schemas/types.yaml#/definitions/uint32
+ enum: [0, 1, 2, 3, 4, 5, 6, 7, 15, 23, 31]
arm,shared-override:
description: The default behavior of the L220 or PL310 cache
@@ -190,35 +184,31 @@ properties:
description: |
Data prefetch. Value: <0> (forcibly disable), <1>
(forcibly enable), property absent (retain settings set by firmware)
- allOf:
- - $ref: /schemas/types.yaml#/definitions/uint32
- - enum: [ 0, 1 ]
+ $ref: /schemas/types.yaml#/definitions/uint32
+ enum: [0, 1]
prefetch-instr:
description: |
Instruction prefetch. Value: <0> (forcibly disable),
<1> (forcibly enable), property absent (retain settings set by
firmware)
- allOf:
- - $ref: /schemas/types.yaml#/definitions/uint32
- - enum: [ 0, 1 ]
+ $ref: /schemas/types.yaml#/definitions/uint32
+ enum: [0, 1]
arm,dynamic-clock-gating:
description: |
L2 dynamic clock gating. Value: <0> (forcibly
disable), <1> (forcibly enable), property absent (OS specific behavior,
preferably retain firmware settings)
- allOf:
- - $ref: /schemas/types.yaml#/definitions/uint32
- - enum: [ 0, 1 ]
+ $ref: /schemas/types.yaml#/definitions/uint32
+ enum: [0, 1]
arm,standby-mode:
description: L2 standby mode enable. Value <0> (forcibly disable),
<1> (forcibly enable), property absent (OS specific behavior,
preferably retain firmware settings)
- allOf:
- - $ref: /schemas/types.yaml#/definitions/uint32
- - enum: [ 0, 1 ]
+ $ref: /schemas/types.yaml#/definitions/uint32
+ enum: [0, 1]
arm,early-bresp-disable:
description: Disable the CA9 optimization Early BRESP (PL310)