From 3eb93e0825abf76ddb7960506be71e6f1a63ad17 Mon Sep 17 00:00:00 2001 From: Baolin Wang Date: Wed, 11 Jul 2018 11:20:40 +0100 Subject: [PATCH] dt-bindings: nvmem: Add Spreadtrum SC27XX efuse controller documentation This patch adds the binding documentation for Spreadtrum SC27XX series PMICs efuse controller device. Signed-off-by: Baolin Wang Reviewed-by: Rob Herring Signed-off-by: Srinivas Kandagatla Signed-off-by: Greg Kroah-Hartman --- .../devicetree/bindings/nvmem/sc27xx-efuse.txt | 52 ++++++++++++++++++++++ 1 file changed, 52 insertions(+) create mode 100644 Documentation/devicetree/bindings/nvmem/sc27xx-efuse.txt diff --git a/Documentation/devicetree/bindings/nvmem/sc27xx-efuse.txt b/Documentation/devicetree/bindings/nvmem/sc27xx-efuse.txt new file mode 100644 index 0000000..586c082 --- /dev/null +++ b/Documentation/devicetree/bindings/nvmem/sc27xx-efuse.txt @@ -0,0 +1,52 @@ += Spreadtrum SC27XX PMIC eFuse device tree bindings = + +Required properties: +- compatible: Should be one of the following. + "sprd,sc2720-efuse" + "sprd,sc2721-efuse" + "sprd,sc2723-efuse" + "sprd,sc2730-efuse" + "sprd,sc2731-efuse" +- reg: Specify the address offset of efuse controller. +- hwlocks: Reference to a phandle of a hwlock provider node. + += Data cells = +Are child nodes of eFuse, bindings of which as described in +bindings/nvmem/nvmem.txt + +Example: + + sc2731_pmic: pmic@0 { + compatible = "sprd,sc2731"; + reg = <0>; + spi-max-frequency = <26000000>; + interrupts = ; + interrupt-controller; + #interrupt-cells = <2>; + #address-cells = <1>; + #size-cells = <0>; + + efuse@380 { + compatible = "sprd,sc2731-efuse"; + reg = <0x380>; + #address-cells = <1>; + #size-cells = <1>; + hwlocks = <&hwlock 12>; + + /* Data cells */ + thermal_calib: calib@10 { + reg = <0x10 0x2>; + }; + }; + }; + += Data consumers = +Are device nodes which consume nvmem data cells. + +Example: + + thermal { + ... + nvmem-cells = <&thermal_calib>; + nvmem-cell-names = "calibration"; + }; -- 2.7.4