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arm64: dts: rockchip: Enable OTP controller for RK356x

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Enable the One Time Programmable Controller (OTPC) in RK356x and add
an initial nvmem fixed layout.

Tested-by: Diederik de Haas <diederik@cknow-tech.com>  # NanoPi R5S, PineNote
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Link: https://patch.msgid.link/20260312213019.13965-3-heiko@sntech.de
This commit is contained in:
Heiko Stuebner 2026-03-12 22:30:18 +01:00
parent 2448f33ff9
commit fae36d252e
1 changed files with 46 additions and 0 deletions
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46
arch/arm64/boot/dts/rockchip/rk356x-base.dtsi
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@ -1123,6 +1123,52 @@ rng: rng@fe388000 {
status = "disabled";
};
otp: efuse@fe38c000 {
compatible = "rockchip,rk3568-otp";
reg = <0x0 0xfe38c000 0x0 0x4000>;
clocks = <&cru CLK_OTPC_NS_USR>, <&cru PCLK_OTPC_NS>,
<&cru PCLK_OTPPHY>, <&cru CLK_OTPC_NS_SBPI>;
clock-names = "otp", "apb_pclk", "phy", "sbpi";
resets = <&cru SRST_OTPC_NS_USR>, <&cru SRST_P_OTPC_NS>,
<&cru SRST_OTPPHY>, <&cru SRST_OTPC_NS_SBPI>;
reset-names = "otp", "apb", "phy", "sbpi";
nvmem-layout {
compatible = "fixed-layout";
#address-cells = <1>;
#size-cells = <1>;
cpu_code: cpu-code@2 {
reg = <0x02 0x2>;
};
otp_cpu_version: cpu-version@8 {
reg = <0x08 0x1>;
bits = <3 3>;
};
otp_id: id@a {
reg = <0x0a 0x10>;
};
cpu_leakage: cpu-leakage@1a {
reg = <0x1a 0x1>;
};
log_leakage: log-leakage@1b {
reg = <0x1b 0x1>;
};
npu_leakage: npu-leakage@1c {
reg = <0x1c 0x1>;
};
gpu_leakage: gpu-leakage@1d {
reg = <0x1d 0x1>;
};
};
};
i2s0_8ch: i2s@fe400000 {
compatible = "rockchip,rk3568-i2s-tdm";
reg = <0x0 0xfe400000 0x0 0x1000>;