diff options
Diffstat (limited to 'Documentation/devicetree/bindings/timer/arm,arch_timer.yaml')
-rw-r--r-- | Documentation/devicetree/bindings/timer/arm,arch_timer.yaml | 37 |
1 files changed, 30 insertions, 7 deletions
diff --git a/Documentation/devicetree/bindings/timer/arm,arch_timer.yaml b/Documentation/devicetree/bindings/timer/arm,arch_timer.yaml index fa255672e8e5..c5fc3b6c8bd0 100644 --- a/Documentation/devicetree/bindings/timer/arm,arch_timer.yaml +++ b/Documentation/devicetree/bindings/timer/arm,arch_timer.yaml @@ -22,23 +22,40 @@ properties: compatible: oneOf: - items: - - enum: - - arm,cortex-a15-timer - - enum: - - arm,armv7-timer + - const: arm,cortex-a15-timer + - const: arm,armv7-timer - items: - enum: - - arm,armv7-timer + - arm,armv7-timer + - arm,armv8-timer - items: - - enum: - - arm,armv8-timer + - const: arm,armv8-timer + - const: arm,armv7-timer interrupts: + minItems: 1 items: - description: secure timer irq - description: non-secure timer irq - description: virtual timer irq - description: hypervisor timer irq + - description: hypervisor virtual timer irq + + interrupt-names: + oneOf: + - minItems: 2 + items: + - const: phys + - const: virt + - const: hyp-phys + - const: hyp-virt + - minItems: 3 + items: + - const: sec-phys + - const: phys + - const: virt + - const: hyp-phys + - const: hyp-virt clock-frequency: description: The frequency of the main counter, in Hz. Should be present @@ -51,6 +68,12 @@ properties: description: If present, the timer is powered through an always-on power domain, therefore it never loses context. + allwinner,erratum-unknown1: + type: boolean + description: Indicates the presence of an erratum found in Allwinner SoCs, + where reading certain values from the counter is unreliable. This also + affects writes to the tval register, due to the implicit counter read. + fsl,erratum-a008585: type: boolean description: Indicates the presence of QorIQ erratum A-008585, which says |