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authorLinus Torvalds <torvalds@linux-foundation.org>2017-02-22 10:33:53 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2017-02-22 10:33:53 -0800
commita4ee7bacd6c08479d56738456c07e4f32fc8e523 (patch)
tree0cb4621dcb8a9b0895eff0596df2cd026c239248 /Documentation/devicetree/bindings/interrupt-controller
parent38705613b74ab090eee55c327cd0cb77fb10eb26 (diff)
parent8ba605b607b7278548c1092b2ac36381627f0839 (diff)
Merge tag 'arc-4.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc
Pull ARC updates from Vineet Gupta: - Intc imporvements [Yuriy] - VDK platform updates [Alexey] * tag 'arc-4.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc: ARC: [plat-*] ARC_HAS_COH_CACHES no longer relevant ARCv2: intc: Delete useless comments in Device Trees ARCv2: IDU-intc: Delete deprecated parameters in Device Trees ARCv2: IDU-intc: mask all common interrupts by default ARCv2: IDU-intc: Use build registers for getting numbers of interrupts ARCv2: intc: Set default priority for all core interrupts ARCv2: intc: Use runtime value of irq count for setting up intc ARCv2: intc: Rework the build time irq count information ARC: [intc-*]: confine NR_CPU_IRQS to intc code ARCv2: intc: Use ARC_REG_STATUS32 for addressing STATUS32 reg arc: vdk: Add support of UIO arc: vdk: Add support of MMC controller arc: vdk: Disable halt on reset
Diffstat (limited to 'Documentation/devicetree/bindings/interrupt-controller')
-rw-r--r--Documentation/devicetree/bindings/interrupt-controller/snps,archs-idu-intc.txt24
1 files changed, 6 insertions, 18 deletions
diff --git a/Documentation/devicetree/bindings/interrupt-controller/snps,archs-idu-intc.txt b/Documentation/devicetree/bindings/interrupt-controller/snps,archs-idu-intc.txt
index 944657684d73..8b46a34e05f1 100644
--- a/Documentation/devicetree/bindings/interrupt-controller/snps,archs-idu-intc.txt
+++ b/Documentation/devicetree/bindings/interrupt-controller/snps,archs-idu-intc.txt
@@ -8,15 +8,11 @@ Properties:
- compatible: "snps,archs-idu-intc"
- interrupt-controller: This is an interrupt controller.
- interrupt-parent: <reference to parent core intc>
-- #interrupt-cells: Must be <2>.
-- interrupts: <...> specifies the upstream core irqs
+- #interrupt-cells: Must be <1>.
- First cell specifies the "common" IRQ from peripheral to IDU
- Second cell specifies the irq distribution mode to cores
- 0=Round Robin; 1=cpu0, 2=cpu1, 4=cpu2, 8=cpu3
-
- The second cell in interrupts property is deprecated and may be ignored by
- the kernel.
+ Value of the cell specifies the "common" IRQ from peripheral to IDU. Number N
+ of the particular interrupt line of IDU corresponds to the line N+24 of the
+ core interrupt controller.
intc accessed via the special ARC AUX register interface, hence "reg" property
is not specified.
@@ -32,18 +28,10 @@ Example:
compatible = "snps,archs-idu-intc";
interrupt-controller;
interrupt-parent = <&core_intc>;
-
- /*
- * <hwirq distribution>
- * distribution: 0=RR; 1=cpu0, 2=cpu1, 4=cpu2, 8=cpu3
- */
- #interrupt-cells = <2>;
-
- /* upstream core irqs: downstream these are "COMMON" irq 0,1.. */
- interrupts = <24 25 26 27 28 29 30 31>;
+ #interrupt-cells = <1>;
};
some_device: serial@c0fc1000 {
interrupt-parent = <&idu_intc>;
- interrupts = <0 0>; /* upstream idu IRQ #24, Round Robin */
+ interrupts = <0>; /* upstream idu IRQ #24 */
};