From 7e2a51e0cf75028888e5c670b3a3963e1716bdff Mon Sep 17 00:00:00 2001 From: Leo Yan Date: Tue, 4 Aug 2015 15:27:26 +0800 Subject: [PATCH] dt-bindings: arm: Hi6220: add doc for SRAM controller Document "hisilicon,hi6220-sramctrl" for SRAM controller. Signed-off-by: Leo Yan Signed-off-by: Stephen Boyd --- .../bindings/arm/hisilicon/hisilicon.txt | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/Documentation/devicetree/bindings/arm/hisilicon/hisilicon.txt b/Documentation/devicetree/bindings/arm/hisilicon/hisilicon.txt index c431c67524d6..c733e28e18e5 100644 --- a/Documentation/devicetree/bindings/arm/hisilicon/hisilicon.txt +++ b/Documentation/devicetree/bindings/arm/hisilicon/hisilicon.txt @@ -127,6 +127,24 @@ Example: #clock-cells = <1>; }; + +Hisilicon Hi6220 SRAM controller + +Required properties: +- compatible : "hisilicon,hi6220-sramctrl", "syscon" +- reg : Register address and size + +Hisilicon's SoCs use sram for multiple purpose; on Hi6220 there have several +SRAM banks for power management, modem, security, etc. Further, use "syscon" +managing the common sram which can be shared by multiple modules. + +Example: + /*for Hi6220*/ + sram: sram@fff80000 { + compatible = "hisilicon,hi6220-sramctrl", "syscon"; + reg = <0x0 0xfff80000 0x0 0x12000>; + }; + ----------------------------------------------------------------------- Hisilicon HiP01 system controller -- 2.39.5