Thread (8 messages) 8 messages, 3 authors, 2016-10-14

Re: [PATCH 1/3] binding: irqchip: mtk-cirq: Add binding document

From: Youlin Pei <hidden>
Date: 2016-10-14 08:23:42
Also in: linux-arm-kernel, linux-mediatek, lkml

Hi Matthias,
Thanks for your review.

On Thu, 2016-10-13 at 15:00 +0200, Matthias Brugger wrote:
On 10/13/2016 07:06 AM, Youlin Pei wrote:
quoted
This commit adds the device tree binding document for
the mediatek cirq.

Signed-off-by: Youlin Pei <redacted>

---
base on v4.8-rc1
---
 .../interrupt-controller/mediatek,cirq.txt         |   30 ++++++++++++++++++++
 1 file changed, 30 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/interrupt-controller/mediatek,cirq.txt
diff --git a/Documentation/devicetree/bindings/interrupt-controller/mediatek,cirq.txt b/Documentation/devicetree/bindings/interrupt-controller/mediatek,cirq.txt
new file mode 100644
index 0000000..ad16953
--- /dev/null
+++ b/Documentation/devicetree/bindings/interrupt-controller/mediatek,cirq.txt
@@ -0,0 +1,30 @@
+* Mediatek 27xx cirq
+
+In Mediatek SOCs, the CIRQ is a low power interrupt controller designed to
+works outside MCUSYS which comprises with Cortex-Ax cores,CCI and GIC.
+The external interrupts (outside MCUSYS) will feed through CIRQ and connect
+to GIC in MCUSYS. When CIRQ is enabled, it will record the edge-sensitive
+interrupts and generated a pulse signal to parent interrupt controller when
+flush command is executed. With CIRQ, MCUSYS can be completely turned off
+to improve the system power consumption without losing interrupts.
+
+Required properties:
+- compatible: should be: "mediatek,mt2701-cirq".
The cirq is present in several SoCs. I suppose it is the same core in 
all of them. So we can name it mediatek,mtk-cirq and add a 
mediatek,mtXXXX-cirq for every SoC, just in case we will need it.
Okay, will change it in next version. Thanks.
Thanks,
Matthias
Thanks.
Youlin
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