linux-kernel - [PATCH v2 5/8] arm64: dts: renesas: r8a779a0: Add E-FUSE node

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Message-Id: <182eb7785a08232c93d15d340214d8242ed4b42f.1716974503.git.geert+renesas@glider.be>
Date: Wed, 29 May 2024 11:29:34 +0200
From: Geert Uytterhoeven <geert+renesas@...der.be>
To: Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Magnus Damm <magnus.damm@...il.com>,
	Linus Walleij <linus.walleij@...aro.org>,
	Yoshihiro Shimoda <yoshihiro.shimoda.uh@...esas.com>
Cc: devicetree@...r.kernel.org,
	linux-renesas-soc@...r.kernel.org,
	linux-gpio@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	Geert Uytterhoeven <geert+renesas@...der.be>
Subject: [PATCH v2 5/8] arm64: dts: renesas: r8a779a0: Add E-FUSE node

Add a device node for the System Group Fuse Control and Monitor block of
the Pin Function Controller (PFC) on the R-Car V3U (R8A779A0) SoC, which
provides E-FUSE services.

Signed-off-by: Geert Uytterhoeven <geert+renesas@...der.be>
Reviewed-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@...esas.com>
---
v2:
  - Add Reviewed-by.

Assuming the Fuse Control and Monitor block is driven by the same module
clock as GPIO Group 0.
---
 arch/arm64/boot/dts/renesas/r8a779a0.dtsi | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/arch/arm64/boot/dts/renesas/r8a779a0.dtsi b/arch/arm64/boot/dts/renesas/r8a779a0.dtsi
index cfa70b441e329a0b..1abe92c98358eddb 100644
--- a/arch/arm64/boot/dts/renesas/r8a779a0.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a779a0.dtsi
@@ -245,6 +245,14 @@ gpio9: gpio@...69980 {
 			#interrupt-cells = <2>;
 		};
 
+		fuse: fuse@...78800 {
+			compatible = "renesas,r8a779a0-efuse";
+			reg = <0 0xe6078800 0 0x100>;
+			clocks = <&cpg CPG_MOD 916>;
+			power-domains = <&sysc R8A779A0_PD_ALWAYS_ON>;
+			resets = <&cpg 916>;
+		};
+
 		cmt0: timer@...f0000 {
 			compatible = "renesas,r8a779a0-cmt0",
 				     "renesas,rcar-gen4-cmt0";
-- 
2.34.1