linux-kernel - [PATCH v2 6/8] arm64: dts: renesas: r8a779f0: Add E-FUSE node

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Date: Wed, 29 May 2024 11:29:35 +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 6/8] arm64: dts: renesas: r8a779f0: 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 S4-8 (R8A779F0) 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:
  - s/r8a779g0/r8a779f0/ in one-line summary,
  - 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/r8a779f0.dtsi | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/arch/arm64/boot/dts/renesas/r8a779f0.dtsi b/arch/arm64/boot/dts/renesas/r8a779f0.dtsi
index 72cf30341fc4d63e..48390654e172bd5d 100644
--- a/arch/arm64/boot/dts/renesas/r8a779f0.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a779f0.dtsi
@@ -377,6 +377,14 @@ gpio3: gpio@...51980 {
 			#interrupt-cells = <2>;
 		};
 
+		fuse: fuse@...78800 {
+			compatible = "renesas,r8a779f0-efuse";
+			reg = <0 0xe6078800 0 0x100>;
+			clocks = <&cpg CPG_MOD 915>;
+			power-domains = <&sysc R8A779F0_PD_ALWAYS_ON>;
+			resets = <&cpg 915>;
+		};
+
 		cmt0: timer@...f0000 {
 			compatible = "renesas,r8a779f0-cmt0",
 				     "renesas,rcar-gen4-cmt0";
-- 
2.34.1