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author | Baolin Wang <baolin.wang@linaro.org> | 2018-07-11 11:20:40 +0100 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-07-15 14:03:05 +0200 |
commit | 3eb93e0825abf76ddb7960506be71e6f1a63ad17 (patch) | |
tree | d19f303b432dfdc48a2012f79666987d2f5e65b0 /Documentation | |
parent | 5d6bd30cc9c3fca974d554bcd7bbf5f77fbe3238 (diff) | |
download | linux-stable-3eb93e0825abf76ddb7960506be71e6f1a63ad17.tar.gz linux-stable-3eb93e0825abf76ddb7960506be71e6f1a63ad17.tar.bz2 linux-stable-3eb93e0825abf76ddb7960506be71e6f1a63ad17.zip |
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 <baolin.wang@linaro.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'Documentation')
-rw-r--r-- | Documentation/devicetree/bindings/nvmem/sc27xx-efuse.txt | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/nvmem/sc27xx-efuse.txt b/Documentation/devicetree/bindings/nvmem/sc27xx-efuse.txt new file mode 100644 index 000000000000..586c08286aa9 --- /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 = <GIC_SPI 31 IRQ_TYPE_LEVEL_HIGH>; + 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"; + }; |