linux-kernel - [PATCH v5 1/5] doc: bindings: Add document for mfd hi665x PMIC

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Message-ID: <1452514817-118311-2-git-send-email-puck.chen@hisilicon.com>
Date:	Mon, 11 Jan 2016 20:20:13 +0800
From:	Chen Feng <puck.chen@...ilicon.com>
To:	<puck.chen@...ilicon.com>, <lee.jones@...aro.org>,
	<linux-kernel@...r.kernel.org>, <lgirdwood@...il.com>,
	<broonie@...nel.org>, <yudongbin@...ilicon.com>,
	<saberlily.xia@...ilicon.com>, <suzhuangluan@...ilicon.com>,
	<kong.kongxinwei@...ilicon.com>, <xuyiping@...ilicon.com>,
	<z.liuxinliang@...ilicon.com>, <puck.chenfeng@...il.com>,
	<weidong2@...ilicon.com>, <w.f@...wei.com>
CC:	<qijiwen@...ilicon.com>, <peter.panshilin@...ilicon.com>,
	<dan.zhao@...ilicon.com>, <linuxarm@...wei.com>,
	<liguozhu@...ilicon.com>
Subject: [PATCH v5 1/5] doc: bindings: Add document for mfd hi665x PMIC

Add document for mfd driver hi655x pmic driver

Signed-off-by: Chen Feng <puck.chen@...ilicon.com>
Signed-off-by: Fei Wang <w.f@...wei.com>
Signed-off-by: Xinwei Kong <kong.kongxinwei@...ilicon.com>
---
 .../devicetree/bindings/mfd/hisilicon,hi655x.txt   | 28 ++++++++++++++++++++++
 1 file changed, 28 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/mfd/hisilicon,hi655x.txt

diff --git a/Documentation/devicetree/bindings/mfd/hisilicon,hi655x.txt b/Documentation/devicetree/bindings/mfd/hisilicon,hi655x.txt
new file mode 100644
index 0000000..3180c40
--- /dev/null
+++ b/Documentation/devicetree/bindings/mfd/hisilicon,hi655x.txt
@@ -0,0 +1,28 @@
+Hisilicon hi655x Power Management Integrated Circuit (PMIC)
+
+The hardware layout for access PMIC Hi655x from AP SoC Hi6220.
+Between PMIC Hi655x and Hi6220, the physical signal channel is SSI.
+We can use memory-mapped I/O to communicate.
+
++----------------+             +-------------+
+|                |             |             |
+|    Hi6220      |   SSI bus   |   Hi655x    |
+|                |-------------|             |
+|                |(REGMAP_MMIO)|             |
++----------------+             +-------------+
+
+Required properties:
+- compatible: Should be "hisilicon,hi655x-pmic"
+- reg: Base address of PMIC on hi6220 soc
+- interrupt-controller: Hi655x has internal IRQs (has own IRQ domain).
+- pmic-gpios: The gpio used by pmic irq.
+
+Example:
+	pmic: pmic@...00000 {
+		compatible = "hisilicon,hi655x-pmic";
+		reg = <0x0 0xf8000000 0x0 0x1000>;
+		#interrupt-cells = <2>;
+		interrupt-controller;
+		pmic-gpios = <&gpio1 2 0>;
+		status = "disabled";
+	}
-- 
1.9.1