treewide: remove redundant IS_ERR() before error code check
[linux/fpc-iii.git] / Documentation / devicetree / bindings / nvmem / imx-ocotp.txt
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1 Freescale i.MX6 On-Chip OTP Controller (OCOTP) device tree bindings
3 This binding represents the on-chip eFuse OTP controller found on
4 i.MX6Q/D, i.MX6DL/S, i.MX6SL, i.MX6SX, i.MX6UL, i.MX6ULL/ULZ, i.MX6SLL,
5 i.MX7D/S, i.MX7ULP, i.MX8MQ, i.MX8MM, i.MX8MN and i.MX8MP SoCs.
7 Required properties:
8 - compatible: should be one of
9         "fsl,imx6q-ocotp" (i.MX6Q/D/DL/S),
10         "fsl,imx6sl-ocotp" (i.MX6SL), or
11         "fsl,imx6sx-ocotp" (i.MX6SX),
12         "fsl,imx6ul-ocotp" (i.MX6UL),
13         "fsl,imx6ull-ocotp" (i.MX6ULL/ULZ),
14         "fsl,imx7d-ocotp" (i.MX7D/S),
15         "fsl,imx6sll-ocotp" (i.MX6SLL),
16         "fsl,imx7ulp-ocotp" (i.MX7ULP),
17         "fsl,imx8mq-ocotp" (i.MX8MQ),
18         "fsl,imx8mm-ocotp" (i.MX8MM),
19         "fsl,imx8mn-ocotp" (i.MX8MN),
20         "fsl,imx8mp-ocotp" (i.MX8MP),
21         followed by "syscon".
22 - #address-cells : Should be 1
23 - #size-cells : Should be 1
24 - reg: Should contain the register base and length.
25 - clocks: Should contain a phandle pointing to the gated peripheral clock.
27 Optional properties:
28 - read-only: disable write access
30 Optional Child nodes:
32 - Data cells of ocotp:
33   Detailed bindings are described in bindings/nvmem/nvmem.txt
35 Example:
36         ocotp: ocotp@21bc000 {
37                 #address-cells = <1>;
38                 #size-cells = <1>;
39                 compatible = "fsl,imx6sx-ocotp", "syscon";
40                 reg = <0x021bc000 0x4000>;
41                 clocks = <&clks IMX6SX_CLK_OCOTP>;
43                 tempmon_calib: calib@38 {
44                         reg = <0x38 4>;
45                 };
47                 tempmon_temp_grade: temp-grade@20 {
48                         reg = <0x20 4>;
49                 };
50         };