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target_linux_rockchip-6.x/patches-6.12/163-01-arm64-dts-rockchip-Enable-OTP-controller-for-RK3528.patch
2026-01-16 04:36:33 +00:00

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From 8a50a4471e4b0db33a74c01229a7ad386918344b Mon Sep 17 00:00:00 2001
From: Jonas Karlman <jonas@kwiboo.se>
Date: Sun, 16 Mar 2025 00:06:43 +0000
Subject: [PATCH] arm64: dts: rockchip: Enable OTP controller for RK3528
Enable the One Time Programmable Controller (OTPC) in RK3528 and add
an initial nvmem fixed layout.
Signed-off-by: Jonas Karlman <jonas@kwiboo.se>
---
arch/arm64/boot/dts/rockchip/rk3528.dtsi | 49 ++++++++++++++++++++++++
1 file changed, 49 insertions(+)
--- a/arch/arm64/boot/dts/rockchip/rk3528.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3528.dtsi
@@ -1190,6 +1190,55 @@
status = "disabled";
};
+ otp: nvmem@ffce0000 {
+ compatible = "rockchip,rk3528-otp";
+ reg = <0x0 0xffce0000 0x0 0x4000>;
+ clocks = <&cru CLK_USER_OTPC_NS>,
+ <&cru PCLK_OTPC_NS>,
+ <&cru CLK_SBPI_OTPC_NS>;
+ clock-names = "otp", "apb_pclk", "sbpi";
+ resets = <&cru SRST_USER_OTPC_NS>,
+ <&cru SRST_P_OTPC_NS>,
+ <&cru SRST_SBPI_OTPC_NS>;
+ reset-names = "otp", "apb", "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>;
+ };
+
+ logic_leakage: logic-leakage@1b {
+ reg = <0x1b 0x1>;
+ };
+
+ gpu_leakage: gpu-leakage@1c {
+ reg = <0x1c 0x1>;
+ };
+
+ tsadc_trim: tsadc-trim@44 {
+ reg = <0x44 0x2>;
+ bits = <0 10>;
+ };
+ };
+ };
+
dmac: dma-controller@ffd60000 {
compatible = "arm,pl330", "arm,primecell";
reg = <0x0 0xffd60000 0x0 0x4000>;