linux-kernel - [PATCH 08/11] MIPS: mobileye: eyeq5: add OLB syscon node

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Message-Id: <20240410-mbly-olb-v1-8-335e496d7be3@bootlin.com>
Date: Wed, 10 Apr 2024 19:12:37 +0200
From: Théo Lebrun <theo.lebrun@...tlin.com>
To: Rob Herring <robh@...nel.org>, 
 Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>, 
 Conor Dooley <conor+dt@...nel.org>, 
 Michael Turquette <mturquette@...libre.com>, 
 Stephen Boyd <sboyd@...nel.org>, Philipp Zabel <p.zabel@...gutronix.de>, 
 Linus Walleij <linus.walleij@...aro.org>
Cc: linux-mips@...r.kernel.org, devicetree@...r.kernel.org, 
 linux-kernel@...r.kernel.org, linux-clk@...r.kernel.org, 
 linux-gpio@...r.kernel.org, 
 Vladimir Kondratiev <vladimir.kondratiev@...ileye.com>, 
 Gregory CLEMENT <gregory.clement@...tlin.com>, 
 Thomas Petazzoni <thomas.petazzoni@...tlin.com>, 
 Tawfik Bayouk <tawfik.bayouk@...ileye.com>, 
 Théo Lebrun <theo.lebrun@...tlin.com>
Subject: [PATCH 08/11] MIPS: mobileye: eyeq5: add OLB syscon node

The OLB ("Other Logic Block") is a syscon region hosting clock, reset
and pin controllers. It contains registers such as I2C speed mode that
need to be accessible by other nodes.

Signed-off-by: Théo Lebrun <theo.lebrun@...tlin.com>
---
 arch/mips/boot/dts/mobileye/eyeq5.dtsi | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/arch/mips/boot/dts/mobileye/eyeq5.dtsi b/arch/mips/boot/dts/mobileye/eyeq5.dtsi
index 6cc5980e2fa1..e82d2a57f6da 100644
--- a/arch/mips/boot/dts/mobileye/eyeq5.dtsi
+++ b/arch/mips/boot/dts/mobileye/eyeq5.dtsi
@@ -100,6 +100,14 @@ uart2: serial@...000 {
 			clock-names = "uartclk", "apb_pclk";
 		};
 
+		olb: system-controller@...000 {
+			compatible = "mobileye,eyeq5-olb", "syscon", "simple-mfd";
+			reg = <0 0xe00000 0x0 0x400>;
+			ranges = <0x0 0x0 0xe00000 0x400>;
+			#address-cells = <1>;
+			#size-cells = <1>;
+		};
+
 		gic: interrupt-controller@...000 {
 			compatible = "mti,gic";
 			reg = <0x0 0x140000 0x0 0x20000>;

-- 
2.44.0