From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jianqun Xu Subject: [PATCH 1/2] rockchip: efuse: add documentation for rk3288 efuse driver Date: Mon, 1 Dec 2014 15:34:40 +0800 Message-ID: <1417419281-9243-2-git-send-email-jay.xu@rock-chips.com> References: <1417419281-9243-1-git-send-email-jay.xu@rock-chips.com> Return-path: In-Reply-To: <1417419281-9243-1-git-send-email-jay.xu@rock-chips.com> Sender: linux-kernel-owner@vger.kernel.org To: heiko@sntech.de, linux@arm.linux.org.uk, grant.likely@linaro.org, robh+dt@kernel.org Cc: linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, Jianqun Xu List-Id: devicetree@vger.kernel.org In RK3288, there are two eFuse. One is organized as 32bits by 8 one-time programmable electrical fuses with random access interface, and the other is organized as 32bits by 32 one-time programmable electrical fuses. The 32x32 eFuse can only be accessed by APB bus when IO_SECURITYsel is high. Signed-off-by: Jianqun Xu --- .../devicetree/bindings/fuse/rockchip,rk3288-efuse.txt | 14 ++++++++++++++ 1 file changed, 14 insertions(+) create mode 100644 Documentation/devicetree/bindings/fuse/rockchip,rk3288-efuse.txt diff --git a/Documentation/devicetree/bindings/fuse/rockchip,rk3288-efuse.txt b/Documentation/devicetree/bindings/fuse/rockchip,rk3288-efuse.txt new file mode 100644 index 0000000..82af730 --- /dev/null +++ b/Documentation/devicetree/bindings/fuse/rockchip,rk3288-efuse.txt @@ -0,0 +1,14 @@ +ROCKCHIP RK3288 efuse block. + +Required properties: +- compatible : should be: + "rockchip,rk3288-efuse" +- reg: Should contain 1 entry: the entry gives the physical address and length + of the fuse registers. + +Example: + + efuse: efuse@ffb40000 { + compatible = "rockchip,rk3288-efuse"; + reg = <0xffb40000 0x10000>; + }; -- 1.9.1