From mboxrd@z Thu Jan 1 00:00:00 1970 From: leo.yan@linaro.org (Leo Yan) Date: Mon, 3 Aug 2015 09:13:35 +0800 Subject: [PATCH v3 2/5] dt-bindings: arm: Hi6220: add doc for SRAM controller In-Reply-To: <1438564418-15948-1-git-send-email-leo.yan@linaro.org> References: <1438564418-15948-1-git-send-email-leo.yan@linaro.org> Message-ID: <1438564418-15948-3-git-send-email-leo.yan@linaro.org> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Document "hisilicon,hi6220-sramctrl" for SRAM controller. Signed-off-by: Leo Yan --- .../devicetree/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 c431c67..c733e28 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 at fff80000 { + compatible = "hisilicon,hi6220-sramctrl", "syscon"; + reg = <0x0 0xfff80000 0x0 0x12000>; + }; + ----------------------------------------------------------------------- Hisilicon HiP01 system controller -- 1.9.1