xref: /OK3568_Linux_fs/kernel/Documentation/devicetree/bindings/nvmem/rockchip-otp.txt (revision 4882a59341e53eb6f0b4789bf948001014eff981) 
1*4882a593SmuzhiyunRockchip internal OTP (One Time Programmable) memory device tree bindings
2*4882a593Smuzhiyun
3*4882a593SmuzhiyunRequired properties:
4*4882a593Smuzhiyun- compatible: Should be one of the following.
5*4882a593Smuzhiyun  - "rockchip,px30-otp" - for PX30 SoCs.
6*4882a593Smuzhiyun  - "rockchip,rk3308-otp" - for RK3308 SoCs.
7*4882a593Smuzhiyun- reg: Should contain the registers location and size
8*4882a593Smuzhiyun- clocks: Must contain an entry for each entry in clock-names.
9*4882a593Smuzhiyun- clock-names: Should be "otp", "apb_pclk" and "phy".
10*4882a593Smuzhiyun
11*4882a593SmuzhiyunOptional properties:
12*4882a593Smuzhiyun- resets: Must contain an entry for each entry in reset-names.
13*4882a593Smuzhiyun  See ../../reset/reset.txt for details.
14*4882a593Smuzhiyun- reset-names: Should be "phy".
15*4882a593Smuzhiyun
16*4882a593SmuzhiyunSee nvmem.txt for more information.
17*4882a593Smuzhiyun
18*4882a593SmuzhiyunExample:
19*4882a593Smuzhiyun	otp: otp@ff290000 {
20*4882a593Smuzhiyun		compatible = "rockchip,px30-otp";
21*4882a593Smuzhiyun		reg = <0x0 0xff290000 0x0 0x4000>;
22*4882a593Smuzhiyun		#address-cells = <1>;
23*4882a593Smuzhiyun		#size-cells = <1>;
24*4882a593Smuzhiyun		clocks = <&cru SCLK_OTP_USR>, <&cru PCLK_OTP_NS>,
25*4882a593Smuzhiyun			 <&cru PCLK_OTP_PHY>;
26*4882a593Smuzhiyun		clock-names = "otp", "apb_pclk", "phy";
27*4882a593Smuzhiyun	};
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