xref: /linux/Documentation/devicetree/bindings/nvmem/sc27xx-efuse.txt (revision 3eb66e91a25497065c5322b1268cbc3953642227)
1*3eb93e08SBaolin Wang= Spreadtrum SC27XX PMIC eFuse device tree bindings =
2*3eb93e08SBaolin Wang
3*3eb93e08SBaolin WangRequired properties:
4*3eb93e08SBaolin Wang- compatible: Should be one of the following.
5*3eb93e08SBaolin Wang	"sprd,sc2720-efuse"
6*3eb93e08SBaolin Wang	"sprd,sc2721-efuse"
7*3eb93e08SBaolin Wang	"sprd,sc2723-efuse"
8*3eb93e08SBaolin Wang	"sprd,sc2730-efuse"
9*3eb93e08SBaolin Wang	"sprd,sc2731-efuse"
10*3eb93e08SBaolin Wang- reg: Specify the address offset of efuse controller.
11*3eb93e08SBaolin Wang- hwlocks: Reference to a phandle of a hwlock provider node.
12*3eb93e08SBaolin Wang
13*3eb93e08SBaolin Wang= Data cells =
14*3eb93e08SBaolin WangAre child nodes of eFuse, bindings of which as described in
15*3eb93e08SBaolin Wangbindings/nvmem/nvmem.txt
16*3eb93e08SBaolin Wang
17*3eb93e08SBaolin WangExample:
18*3eb93e08SBaolin Wang
19*3eb93e08SBaolin Wang	sc2731_pmic: pmic@0 {
20*3eb93e08SBaolin Wang		compatible = "sprd,sc2731";
21*3eb93e08SBaolin Wang		reg = <0>;
22*3eb93e08SBaolin Wang		spi-max-frequency = <26000000>;
23*3eb93e08SBaolin Wang		interrupts = <GIC_SPI 31 IRQ_TYPE_LEVEL_HIGH>;
24*3eb93e08SBaolin Wang		interrupt-controller;
25*3eb93e08SBaolin Wang		#interrupt-cells = <2>;
26*3eb93e08SBaolin Wang		#address-cells = <1>;
27*3eb93e08SBaolin Wang		#size-cells = <0>;
28*3eb93e08SBaolin Wang
29*3eb93e08SBaolin Wang		efuse@380 {
30*3eb93e08SBaolin Wang			compatible = "sprd,sc2731-efuse";
31*3eb93e08SBaolin Wang			reg = <0x380>;
32*3eb93e08SBaolin Wang			#address-cells = <1>;
33*3eb93e08SBaolin Wang			#size-cells = <1>;
34*3eb93e08SBaolin Wang			hwlocks = <&hwlock 12>;
35*3eb93e08SBaolin Wang
36*3eb93e08SBaolin Wang			/* Data cells */
37*3eb93e08SBaolin Wang			thermal_calib: calib@10 {
38*3eb93e08SBaolin Wang				reg = <0x10 0x2>;
39*3eb93e08SBaolin Wang			};
40*3eb93e08SBaolin Wang		};
41*3eb93e08SBaolin Wang	};
42*3eb93e08SBaolin Wang
43*3eb93e08SBaolin Wang= Data consumers =
44*3eb93e08SBaolin WangAre device nodes which consume nvmem data cells.
45*3eb93e08SBaolin Wang
46*3eb93e08SBaolin WangExample:
47*3eb93e08SBaolin Wang
48*3eb93e08SBaolin Wang	thermal {
49*3eb93e08SBaolin Wang		...
50*3eb93e08SBaolin Wang		nvmem-cells = <&thermal_calib>;
51*3eb93e08SBaolin Wang		nvmem-cell-names = "calibration";
52*3eb93e08SBaolin Wang	};
53