public inbox for linux-arm-kernel@lists.infradead.org
 help / color / mirror / Atom feed
From: Heiko Stuebner <heiko@sntech.de>
To: heiko@sntech.de
Cc: linux-arm-kernel@lists.infradead.org,
	linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org,
	kever.yang@rock-chips.com, finley.xiao@rock-chips.com, w@1wt.eu,
	jonas@kwiboo.se
Subject: [PATCH 2/3] arm64: dts: rockchip: Enable OTP controller for RK356x
Date: Thu,  5 Feb 2026 22:23:46 +0100	[thread overview]
Message-ID: <20260205212347.490636-3-heiko@sntech.de> (raw)
In-Reply-To: <20260205212347.490636-1-heiko@sntech.de>

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

Signed-off-by: Heiko Stuebner <heiko@sntech.de>
---
 arch/arm64/boot/dts/rockchip/rk356x-base.dtsi | 46 +++++++++++++++++++
 1 file changed, 46 insertions(+)

diff --git a/arch/arm64/boot/dts/rockchip/rk356x-base.dtsi b/arch/arm64/boot/dts/rockchip/rk356x-base.dtsi
index 8893b7b6cc9f..72c98337f359 100644
--- a/arch/arm64/boot/dts/rockchip/rk356x-base.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk356x-base.dtsi
@@ -1104,6 +1104,52 @@ rng: rng@fe388000 {
 		status = "disabled";
 	};
 
+	otp: otp@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>;
-- 
2.47.2



  parent reply	other threads:[~2026-02-05 21:24 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-02-05 21:23 [PATCH 0/3] Add devicetree nodes for RK3528, RK3562 and RK356x Heiko Stuebner
2026-02-05 21:23 ` [PATCH 1/3] arm64: dts: rockchip: Enable OTP controller for RK3562 Heiko Stuebner
2026-02-09 16:54   ` Jonas Karlman
2026-02-09 20:23     ` Heiko Stübner
2026-02-05 21:23 ` Heiko Stuebner [this message]
2026-02-05 21:23 ` [PATCH 3/3] arm64: dts: rockchip: Enable OTP controller for RK3528 Heiko Stuebner

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20260205212347.490636-3-heiko@sntech.de \
    --to=heiko@sntech.de \
    --cc=finley.xiao@rock-chips.com \
    --cc=jonas@kwiboo.se \
    --cc=kever.yang@rock-chips.com \
    --cc=linux-arm-kernel@lists.infradead.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-rockchip@lists.infradead.org \
    --cc=w@1wt.eu \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox