linux-kernel - [PATCH v9 6/9] MIPS: mobileye: eyeq5: add OLB syscon node

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Message-Id: <20240301-mbly-clk-v9-6-cbf06eb88708@bootlin.com>
Date: Fri, 01 Mar 2024 17:22:19 +0100
From: Théo Lebrun <theo.lebrun@...tlin.com>
To: Gregory CLEMENT <gregory.clement@...tlin.com>, 
 Michael Turquette <mturquette@...libre.com>, 
 Stephen Boyd <sboyd@...nel.org>, Rob Herring <robh+dt@...nel.org>, 
 Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>, 
 Conor Dooley <conor+dt@...nel.org>, 
 Thomas Bogendoerfer <tsbogend@...ha.franken.de>, 
 Linus Walleij <linus.walleij@...aro.org>, 
 Rafał Miłecki <rafal@...ecki.pl>, 
 Philipp Zabel <p.zabel@...gutronix.de>
Cc: Vladimir Kondratiev <vladimir.kondratiev@...ileye.com>, 
 linux-mips@...r.kernel.org, linux-clk@...r.kernel.org, 
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, 
 Thomas Petazzoni <thomas.petazzoni@...tlin.com>, 
 Tawfik Bayouk <tawfik.bayouk@...ileye.com>, linux-gpio@...r.kernel.org, 
 Théo Lebrun <theo.lebrun@...tlin.com>
Subject: [PATCH v9 6/9] MIPS: mobileye: eyeq5: add OLB syscon node

The OLB ("Other Logic Block") is a syscon region hosting the 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