From 95d25206eb1dd03677b87f54792816ef0ef6ce08 Mon Sep 17 00:00:00 2001 From: Freeman Liu Date: Tue, 29 Oct 2019 11:42:36 +0000 Subject: dt-bindings: nvmem: Add Spreadtrum eFuse controller documentation This patch adds the binding documentation for Spreadtrum eFuse controller. Signed-off-by: Freeman Liu Signed-off-by: Baolin Wang Reviewed-by: Rob Herring Signed-off-by: Srinivas Kandagatla Link: https://lore.kernel.org/r/20191029114240.14905-7-srinivas.kandagatla@linaro.org Signed-off-by: Greg Kroah-Hartman --- .../devicetree/bindings/nvmem/sprd-efuse.txt | 39 ++++++++++++++++++++++ 1 file changed, 39 insertions(+) create mode 100644 Documentation/devicetree/bindings/nvmem/sprd-efuse.txt (limited to 'Documentation/devicetree/bindings/nvmem/sprd-efuse.txt') diff --git a/Documentation/devicetree/bindings/nvmem/sprd-efuse.txt b/Documentation/devicetree/bindings/nvmem/sprd-efuse.txt new file mode 100644 index 000000000000..96b6feec27f0 --- /dev/null +++ b/Documentation/devicetree/bindings/nvmem/sprd-efuse.txt @@ -0,0 +1,39 @@ += Spreadtrum eFuse device tree bindings = + +Required properties: +- compatible: Should be "sprd,ums312-efuse". +- reg: Specify the address offset of efuse controller. +- clock-names: Should be "enable". +- clocks: The phandle and specifier referencing the controller's clock. +- 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: + + ap_efuse: efuse@32240000 { + compatible = "sprd,ums312-efuse"; + reg = <0 0x32240000 0 0x10000>; + clock-names = "enable"; + hwlocks = <&hwlock 8>; + clocks = <&aonapb_gate CLK_EFUSE_EB>; + + /* 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"; + }; -- cgit