linux-kernel - [PATCH 1/6] dt-bindings: mfd: Add hi6421v530 bindings

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Message-Id: <20170526063518.21246-2-guodong.xu@linaro.org>
Date:   Fri, 26 May 2017 14:35:13 +0800
From:   Guodong Xu <guodong.xu@...aro.org>
To:     lee.jones@...aro.org, robh+dt@...nel.org, mark.rutland@....com,
        xuwei5@...ilicon.com, catalin.marinas@....com, will.deacon@....com,
        lgirdwood@...il.com, broonie@...nel.org, khilman@...libre.com,
        arnd@...db.de, gregory.clement@...e-electrons.com, olof@...om.net,
        thomas.petazzoni@...e-electrons.com, yamada.masahiro@...ionext.com,
        riku.voipio@...aro.org, treding@...dia.com, krzk@...nel.org,
        eric@...olt.net, damm+renesas@...nsource.se,
        ard.biesheuvel@...aro.org, linus.walleij@...aro.org,
        geert+renesas@...der.be
Cc:     devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, hw.wangxiaoyin@...ilicon.com,
        Guodong Xu <guodong.xu@...aro.org>
Subject: [PATCH 1/6] dt-bindings: mfd: Add hi6421v530 bindings

DT bindings for hisilicon HI655x PMIC chip.

Signed-off-by: Guodong Xu <guodong.xu@...aro.org>
---
 .../bindings/mfd/hisilicon,hi6421v530.txt          | 25 ++++++++++++++++++++++
 1 file changed, 25 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/mfd/hisilicon,hi6421v530.txt

diff --git a/Documentation/devicetree/bindings/mfd/hisilicon,hi6421v530.txt b/Documentation/devicetree/bindings/mfd/hisilicon,hi6421v530.txt
new file mode 100644
index 0000000..6ffe6f6
--- /dev/null
+++ b/Documentation/devicetree/bindings/mfd/hisilicon,hi6421v530.txt
@@ -0,0 +1,25 @@
+Hisilicon Hi6421v530 Power Management Integrated Circuit (PMIC)
+
+The hardware layout for access PMIC Hi6421v530 from AP SoC Hi3660.
+Between PMIC Hi6421v530 and Hi3660, the physical signal channel is SSI.
+We can use memory-mapped I/O to communicate.
+
++----------------+             +-------------+
+|                |             |             |
+|    Hi3660      |   SSI bus   |  Hi6421v530 |
+|                |-------------|             |
+|                |(REGMAP_MMIO)|             |
++----------------+             +-------------+
+
+Required properties:
+- compatible:           Should be "hisilicon,hi6421v530-pmic".
+- reg:                  Base address of PMIC on Hi3660 SoC.
+- interrupt-controller: Hi6421v530 has internal IRQs (has own IRQ domain).
+
+Example:
+	pmic: pmic@...34000 {
+		compatible = "hisilicon,hi6421v530-pmic";
+		reg = <0x0 0xfff34000 0x0 0x1000>;
+		interrupt-controller;
+		#interrupt-cells = <2>;
+	}
-- 
2.10.2