From: Florian Fainelli Date: Sat, 24 May 2014 00:40:54 +0000 (-0700) Subject: Documentation: brcmstb-l2: Add Broadcom STB Level-2 interrupt controller binding X-Git-Tag: v4.14-rc1~7403^2~17^2^2 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=c8dfe94bc7a14c6a644ce55ef77b7a81505c696f;p=platform%2Fkernel%2Flinux-rpi.git Documentation: brcmstb-l2: Add Broadcom STB Level-2 interrupt controller binding This patch adds the Device Tree binding document for the Broadcom Set-top-box Level 2 interrupt controller hardware. Signed-off-by: Brian Norris Link: https://lkml.kernel.org/r/1400892054-24457-3-git-send-email-f.fainelli@gmail.com Signed-off-by: Florian Fainelli Signed-off-by: Jason Cooper --- diff --git a/Documentation/devicetree/bindings/interrupt-controller/brcm,l2-intc.txt b/Documentation/devicetree/bindings/interrupt-controller/brcm,l2-intc.txt new file mode 100644 index 0000000..448273a --- /dev/null +++ b/Documentation/devicetree/bindings/interrupt-controller/brcm,l2-intc.txt @@ -0,0 +1,29 @@ +Broadcom Generic Level 2 Interrupt Controller + +Required properties: + +- compatible: should be "brcm,l2-intc" +- reg: specifies the base physical address and size of the registers +- interrupt-controller: identifies the node as an interrupt controller +- #interrupt-cells: specifies the number of cells needed to encode an + interrupt source. Should be 1. +- interrupt-parent: specifies the phandle to the parent interrupt controller + this controller is cacaded from +- interrupts: specifies the interrupt line in the interrupt-parent irq space + to be used for cascading + +Optional properties: + +- brcm,irq-can-wake: If present, this means the L2 controller can be used as a + wakeup source for system suspend/resume. + +Example: + +hif_intr2_intc: interrupt-controller@f0441000 { + compatible = "brcm,l2-intc"; + reg = <0xf0441000 0x30>; + interrupt-controller; + #interrupt-cells = <1>; + interrupt-parent = <&intc>; + interrupts = <0x0 0x20 0x0>; +};