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35 lines
1.3 KiB
35 lines
1.3 KiB
STMicroelectronics STi System Configuration Controlled IRQs |
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On STi based systems; External, CTI (Core Sight), PMU (Performance Management), |
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and PL310 L2 Cache IRQs are controlled using System Configuration registers. |
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This driver is used to unmask them prior to use. |
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Required properties: |
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- compatible : Should be set to one of: |
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"st,stih415-irq-syscfg" |
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"st,stih416-irq-syscfg" |
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"st,stih407-irq-syscfg" |
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"st,stid127-irq-syscfg" |
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- st,syscfg : Phandle to Cortex-A9 IRQ system config registers |
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- st,irq-device : Array of IRQs to enable - should be 2 in length |
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- st,fiq-device : Array of FIQs to enable - should be 2 in length |
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Optional properties: |
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- st,invert-ext : External IRQs can be inverted at will. This property inverts |
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these IRQs using bitwise logic. A number of defines have been |
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provided for convenience: |
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ST_IRQ_SYSCFG_EXT_1_INV |
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ST_IRQ_SYSCFG_EXT_2_INV |
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ST_IRQ_SYSCFG_EXT_3_INV |
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Example: |
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irq-syscfg { |
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compatible = "st,stih416-irq-syscfg"; |
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st,syscfg = <&syscfg_cpu>; |
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st,irq-device = <ST_IRQ_SYSCFG_PMU_0>, |
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<ST_IRQ_SYSCFG_PMU_1>; |
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st,fiq-device = <ST_IRQ_SYSCFG_DISABLED>, |
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<ST_IRQ_SYSCFG_DISABLED>; |
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st,invert-ext = <(ST_IRQ_SYSCFG_EXT_1_INV | ST_IRQ_SYSCFG_EXT_3_INV)>; |
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};
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