linux-kernel - [PATCH V1 1/3] docs: dts: Add documentation for hi6220 SoC ION node

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Date:	Sat, 10 Oct 2015 14:48:21 +0800
From:	Chen Feng <puck.chen@...ilicon.com>
To:	<gregkh@...uxfoundation.org>, <arve@...roid.com>,
	<riandrews@...roid.com>, <tranmanphong@...il.com>,
	<mitchelh@...eaurora.org>, <tapaswenipathak@...il.com>,
	<sumit.semwal@...aro.org>, <paul.gortmaker@...driver.com>,
	<gioh.kim@....com>, <devel@...verdev.osuosl.org>,
	<linux-kernel@...r.kernel.org>, <puck.chen@...ilicon.com>,
	<yudongbin@...ilicon.com>, <saberlily.xia@...ilicon.com>,
	<suzhuangluan@...ilicon.com>, <kong.kongxinwei@...ilicon.com>,
	<xuyiping@...ilicon.com>, <z.liuxinliang@...ilicon.com>,
	<weidong2@...ilicon.com>, <w.f@...wei.com>,
	<dan.carpenter@...cle.com>
CC:	<qijiwen@...ilicon.com>, <peter.panshilin@...ilicon.com>,
	<dan.zhao@...ilicon.com>, <linuxarm@...wei.com>
Subject: [PATCH V1 1/3] docs: dts: Add documentation for hi6220 SoC ION node

Documentation for hi6220 SoC ION node

Signed-off-by: Chen Feng <puck.chen@...ilicon.com>
Signed-off-by: Yu Dongbin <yudongbin@...ilicon.com>
---
 .../devicetree/bindings/staging/ion/hi6220-ion.txt | 31 ++++++++++++++++++++++
 1 file changed, 31 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/staging/ion/hi6220-ion.txt

diff --git a/Documentation/devicetree/bindings/staging/ion/hi6220-ion.txt b/Documentation/devicetree/bindings/staging/ion/hi6220-ion.txt
new file mode 100644
index 0000000..97ba233
--- /dev/null
+++ b/Documentation/devicetree/bindings/staging/ion/hi6220-ion.txt
@@ -0,0 +1,31 @@
+Hi6220 SoC ION
+============================================================
+Required properties:
+- compatible : "hisilicon,hi6220-ion"
+- list of the ION heaps
+	- heap name : maybe heap_sys_user@0
+	- heap id   : id should be unique in the system.
+	- heap base : base ddr address of the heap,0 means that
+	it is dynamic.
+	- heap size : memory size and 0 means it is dynamic.
+	- heap type : the heap type of the heap, please also
+see the define in ion.h(drivers/staging/android/uapi/ion.h)
+------------------------------------------------------------
+Example:
+	hi6220-ion {
+		compatible = "hisilicon,hi6220-ion";
+		heap_sys_user@0 {
+			heap-name = "sys_user";
+			heap-id   = <0x0>;
+			heap-base = <0x0>;
+			heap-size = <0x0>;
+			heap-type = "ion_system";
+		};
+		heap_sys_contig@0 {
+			heap-name = "sys_contig";
+			heap-id   = <0x1>;
+			heap-base = <0x0>;
+			heap-size = <0x0>;
+			heap-type = "ion_system_contig";
+		};
+	};
-- 
1.9.1

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