linux-kernel - [PATCH v3 01/12] dt-bindings: mediatek: multiple bases support for sysirq

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Date:   Sun, 19 Mar 2017 23:26:22 +0800
From:   Mars Cheng <mars.cheng@...iatek.com>
To:     Matthias Brugger <matthias.bgg@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Marc Zyngier <marc.zyngier@....com>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...eaurora.org>
CC:     CC Hwang <cc.hwang@...iatek.com>,
        Loda Chou <loda.chou@...iatek.com>,
        Miles Chen <miles.chen@...iatek.com>,
        Jades Shih <jades.shih@...iatek.com>,
        Yingjoe Chen <yingjoe.chen@...iatek.com>,
        My Chuang <my.chuang@...iatek.com>,
        <linux-kernel@...r.kernel.org>,
        <linux-mediatek@...ts.infradead.org>, <devicetree@...r.kernel.org>,
        <wsd_upstream@...iatek.com>, <linux-clk@...r.kernel.org>,
        Mars Cheng <mars.cheng@...iatek.com>
Subject: [PATCH v3 01/12] dt-bindings: mediatek: multiple bases support for sysirq

This describes how to specify multiple base addresses for sysirq
in mediatek platforms.

Signed-off-by: Mars Cheng <mars.cheng@...iatek.com>
---
 .../interrupt-controller/mediatek,sysirq.txt       |   11 +++++++----
 1 file changed, 7 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..40bf9b9 100644
--- a/Documentation/devicetree/bindings/interrupt-controller/mediatek,sysirq.txt
+++ b/Documentation/devicetree/bindings/interrupt-controller/mediatek,sysirq.txt
@@ -21,13 +21,16 @@ Required properties:
 - 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.
 
 Example:
-	sysirq: interrupt-controller@...00100 {
-		compatible = "mediatek,mt6589-sysirq", "mediatek,mt6577-sysirq";
+	sysirq: intpol-controller@...00620 {
+		compatible = "mediatek,mt6797-sysirq",
+			     "mediatek,mt6577-sysirq";
 		interrupt-controller;
 		#interrupt-cells = <3>;
 		interrupt-parent = <&gic>;
-		reg = <0 0x10200100 0 0x1c>;
+		reg = <0 0x10220620 0 0x20>,
+		      <0 0x10220690 0 0x10>;
 	};
-- 
1.7.9.5