From faf25a9089fc9bdc277b30dbdef8ea7ad7c9083b Mon Sep 17 00:00:00 2001 From: ZhengShunQian Date: Wed, 30 Sep 2015 13:56:36 +0100 Subject: [PATCH] nvmem: rockchip-efuse: describe the usage of eFuse This patch add the bindings document of rockchip eFuse driver. Cc: Srinivas Kandagatla Cc: Heiko Stuebner Signed-off-by: ZhengShunQian Signed-off-by: Srinivas Kandagatla Signed-off-by: Greg Kroah-Hartman --- .../bindings/nvmem/rockchip-efuse.txt | 38 +++++++++++++++++++ 1 file changed, 38 insertions(+) create mode 100644 Documentation/devicetree/bindings/nvmem/rockchip-efuse.txt diff --git a/Documentation/devicetree/bindings/nvmem/rockchip-efuse.txt b/Documentation/devicetree/bindings/nvmem/rockchip-efuse.txt new file mode 100644 index 000000000000..8f86ab3b1046 --- /dev/null +++ b/Documentation/devicetree/bindings/nvmem/rockchip-efuse.txt @@ -0,0 +1,38 @@ += Rockchip eFuse device tree bindings = + +Required properties: +- compatible: Should be "rockchip,rockchip-efuse" +- reg: Should contain the registers location and exact eFuse size +- clocks: Should be the clock id of eFuse +- clock-names: Should be "pclk_efuse" + += Data cells = +Are child nodes of eFuse, bindings of which as described in +bindings/nvmem/nvmem.txt + +Example: + + efuse: efuse@ffb40000 { + compatible = "rockchip,rockchip-efuse"; + reg = <0xffb40000 0x20>; + #address-cells = <1>; + #size-cells = <1>; + clocks = <&cru PCLK_EFUSE256>; + clock-names = "pclk_efuse"; + + /* Data cells */ + cpu_leakage: cpu_leakage { + reg = <0x17 0x1>; + }; + }; + += Data consumers = +Are device nodes which consume nvmem data cells. + +Example: + + cpu_leakage { + ... + nvmem-cells = <&cpu_leakage>; + nvmem-cell-names = "cpu_leakage"; + }; -- 2.20.1