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From: =?utf-8?q?Th=C3=A9o_Lebrun?= <theo.lebrun@bootlin.com>
Date: Mon, 12 Feb 2024 14:44:43 +0100
Subject: [PATCH v6 12/13] MIPS: mobileye: eyeq5: add OLB reset controller
 node
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Message-Id: <20240212-mbly-clk-v6-12-c46fa1f93839@bootlin.com>
References: <20240212-mbly-clk-v6-0-c46fa1f93839@bootlin.com>
In-Reply-To: <20240212-mbly-clk-v6-0-c46fa1f93839@bootlin.com>
To: Gregory CLEMENT <gregory.clement@bootlin.com>, 
 Michael Turquette <mturquette@baylibre.com>, 
 Stephen Boyd <sboyd@kernel.org>, Rob Herring <robh+dt@kernel.org>, 
 Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>, 
 Conor Dooley <conor+dt@kernel.org>, 
 Thomas Bogendoerfer <tsbogend@alpha.franken.de>, 
 Linus Walleij <linus.walleij@linaro.org>, 
 =?utf-8?q?Rafa=C5=82_Mi=C5=82ecki?= <rafal@milecki.pl>, 
 Philipp Zabel <p.zabel@pengutronix.de>
Cc: Vladimir Kondratiev <vladimir.kondratiev@mobileye.com>, 
 linux-mips@vger.kernel.org, linux-clk@vger.kernel.org, 
 devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, 
 Thomas Petazzoni <thomas.petazzoni@bootlin.com>, 
 Tawfik Bayouk <tawfik.bayouk@mobileye.com>, linux-gpio@vger.kernel.org, 
 =?utf-8?q?Th=C3=A9o_Lebrun?= <theo.lebrun@bootlin.com>

Add the devicetree node for the reset controller on the Mobileye EyeQ5
platform. It appears as a subnode to the OLB syscon as its registers
are located in this shared register region.

Add reset phandles to UART nodes.

Signed-off-by: Théo Lebrun <theo.lebrun@bootlin.com>
---
 arch/mips/boot/dts/mobileye/eyeq5.dtsi | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/arch/mips/boot/dts/mobileye/eyeq5.dtsi b/arch/mips/boot/dts/mobileye/eyeq5.dtsi
index 1a65b43e13b1..76935f237ab5 100644
--- a/arch/mips/boot/dts/mobileye/eyeq5.dtsi
+++ b/arch/mips/boot/dts/mobileye/eyeq5.dtsi
@@ -78,6 +78,7 @@ uart0: serial@800000 {
 			interrupts = <GIC_SHARED 6 IRQ_TYPE_LEVEL_HIGH>;
 			clocks  = <&uart_clk>, <&occ_periph>;
 			clock-names = "uartclk", "apb_pclk";
+			resets = <&reset 0 10>;
 		};
 
 		uart1: serial@900000 {
@@ -88,6 +89,7 @@ uart1: serial@900000 {
 			interrupts = <GIC_SHARED 6 IRQ_TYPE_LEVEL_HIGH>;
 			clocks  = <&uart_clk>, <&occ_periph>;
 			clock-names = "uartclk", "apb_pclk";
+			resets = <&reset 0 11>;
 		};
 
 		uart2: serial@a00000 {
@@ -98,6 +100,7 @@ uart2: serial@a00000 {
 			interrupts = <GIC_SHARED 6 IRQ_TYPE_LEVEL_HIGH>;
 			clocks  = <&uart_clk>, <&occ_periph>;
 			clock-names = "uartclk", "apb_pclk";
+			resets = <&reset 0 12>;
 		};
 
 		olb: system-controller@e00000 {
@@ -107,6 +110,13 @@ olb: system-controller@e00000 {
 			#address-cells = <1>;
 			#size-cells = <1>;
 
+			reset: reset-controller@e00000 {
+				compatible = "mobileye,eyeq5-reset";
+				reg = <0x000 0x0c>, <0x200 0x34>, <0x120 0x04>;
+				reg-names = "d0", "d1", "d2";
+				#reset-cells = <2>;
+			};
+
 			clocks: clock-controller@e0002c {
 				compatible = "mobileye,eyeq5-clk";
 				reg = <0x02c 0x50>, <0x11c 0x04>;

-- 
2.43.0