[PATCH v2 01/10] Document: DT: mediatek: multiple base address support for sysirq
From: Mars Cheng <hidden>
Date: 2017-02-06 12:16:13
Also in:
linux-clk, linux-mediatek, lkml
Subsystem:
irqchip drivers, open firmware and flattened device tree bindings, the rest · Maintainers:
Thomas Gleixner, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
This describes how to specify multiple base addresses for sysirq in mediatek platforms. Signed-off-by: Mars Cheng <redacted> --- .../interrupt-controller/mediatek,sysirq.txt | 13 +++++++++---- 1 file changed, 9 insertions(+), 4 deletions(-)
diff --git a/Documentation/devicetree/bindings/interrupt-controller/mediatek,sysirq.txt b/Documentation/devicetree/bindings/interrupt-controller/mediatek,sysirq.txt
index 9d1d72c..1718454 100644
--- a/Documentation/devicetree/bindings/interrupt-controller/mediatek,sysirq.txt
+++ b/Documentation/devicetree/bindings/interrupt-controller/mediatek,sysirq.txt@@ -18,16 +18,21 @@ Required properties: "mediatek,mt2701-sysirq" - interrupt-controller : Identifies the node as an interrupt controller - #interrupt-cells : Use the same format as specified by GIC in arm,gic.txt. +- #intpol-bases: Indicate how many base addresses to be used, default is 1. - interrupt-parent: phandle of irq parent for sysirq. The parent must use the same interrupt-cells format as GIC. - reg: Physical base address of the intpol registers and length of memory - mapped region. + mapped region. Could be multiple bases here. Ex: mt6797 needs 2 reg, others + need 1. If not set, the default is 1. Example: - sysirq: interrupt-controller@10200100 { - compatible = "mediatek,mt6589-sysirq", "mediatek,mt6577-sysirq"; + sysirq: intpol-controller@10200620 { + compatible = "mediatek,mt6797-sysirq", + "mediatek,mt6577-sysirq"; interrupt-controller; #interrupt-cells = <3>; + #intpol-bases = <2>; interrupt-parent = <&gic>; - reg = <0 0x10200100 0 0x1c>; + reg = <0 0x10220620 0 0x20>, + <0 0x10220690 0 0x10>; };
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1.7.9.5