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| author | Sascha Hauer <s.hauer@pengutronix.de> | 2015-05-06 08:56:43 +0200 |
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| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2015-05-06 08:56:43 +0200 |
| commit | 461f8cfc7ea788428240271818363333ceff5c4c (patch) | |
| tree | a3d6e3737c203ea29f8db2a6ddaadc326247376c /dts/Bindings/interrupt-controller/st,sti-irq-syscfg.txt | |
| parent | 6345d37ae50c3ac8dd0e6176bc846fe211cbddd4 (diff) | |
| download | barebox-461f8cfc7ea788428240271818363333ceff5c4c.tar.gz barebox-461f8cfc7ea788428240271818363333ceff5c4c.tar.xz | |
dts: update to v4.1-rc1
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'dts/Bindings/interrupt-controller/st,sti-irq-syscfg.txt')
| -rw-r--r-- | dts/Bindings/interrupt-controller/st,sti-irq-syscfg.txt | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/dts/Bindings/interrupt-controller/st,sti-irq-syscfg.txt b/dts/Bindings/interrupt-controller/st,sti-irq-syscfg.txt new file mode 100644 index 0000000000..ced6014061 --- /dev/null +++ b/dts/Bindings/interrupt-controller/st,sti-irq-syscfg.txt @@ -0,0 +1,35 @@ +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)>; +}; |