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