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Diffstat (limited to 'Documentation/devicetree/bindings/nvmem/rockchip-efuse.txt')
-rw-r--r-- | Documentation/devicetree/bindings/nvmem/rockchip-efuse.txt | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/nvmem/rockchip-efuse.txt b/Documentation/devicetree/bindings/nvmem/rockchip-efuse.txt new file mode 100644 index 000000000..265bdb7dc --- /dev/null +++ b/Documentation/devicetree/bindings/nvmem/rockchip-efuse.txt @@ -0,0 +1,54 @@ += Rockchip eFuse device tree bindings = + +Required properties: +- compatible: Should be one of the following. + - "rockchip,rk3066a-efuse" - for RK3066a SoCs. + - "rockchip,rk3188-efuse" - for RK3188 SoCs. + - "rockchip,rk3228-efuse" - for RK3228 SoCs. + - "rockchip,rk3288-efuse" - for RK3288 SoCs. + - "rockchip,rk3328-efuse" - for RK3328 SoCs. + - "rockchip,rk3368-efuse" - for RK3368 SoCs. + - "rockchip,rk3399-efuse" - for RK3399 SoCs. +- reg: Should contain the registers location and exact eFuse size +- clocks: Should be the clock id of eFuse +- clock-names: Should be "pclk_efuse" + +Optional properties: +- rockchip,efuse-size: Should be exact eFuse size in byte, the eFuse + size in property <reg> will be invalid if define this property. + +Deprecated properties: +- compatible: "rockchip,rockchip-efuse" + Old efuse compatible value compatible to rk3066a, rk3188 and rk3288 + efuses + += Data cells = +Are child nodes of eFuse, bindings of which as described in +bindings/nvmem/nvmem.txt + +Example: + + efuse: efuse@ffb40000 { + compatible = "rockchip,rk3288-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"; + }; |