linux-kernel - [PATCH v4 6/6] MIPS: mobileye: eyeq5: add octal flash node to eval board DTS

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Message-Id: <20240423-cdns-qspi-mbly-v4-6-3d2a7b535ad0@bootlin.com>
Date: Tue, 23 Apr 2024 12:01:45 +0200
From: Théo Lebrun <theo.lebrun@...tlin.com>
To: Mark Brown <broonie@...nel.org>, Rob Herring <robh+dt@...nel.org>, 
 Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>, 
 Conor Dooley <conor+dt@...nel.org>, Vaishnav Achath <vaishnav.a@...com>, 
 Thomas Bogendoerfer <tsbogend@...ha.franken.de>, 
 Rob Herring <robh@...nel.org>
Cc: linux-spi@...r.kernel.org, devicetree@...r.kernel.org, 
 linux-kernel@...r.kernel.org, linux-mips@...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 v4 6/6] MIPS: mobileye: eyeq5: add octal flash node to eval
 board DTS

Add SPI-NOR octal flash node to evaluation board devicetree.

Signed-off-by: Théo Lebrun <theo.lebrun@...tlin.com>
---
 arch/mips/boot/dts/mobileye/eyeq5-epm5.dts | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/arch/mips/boot/dts/mobileye/eyeq5-epm5.dts b/arch/mips/boot/dts/mobileye/eyeq5-epm5.dts
index 6898b2d8267d..0e5fee7b680c 100644
--- a/arch/mips/boot/dts/mobileye/eyeq5-epm5.dts
+++ b/arch/mips/boot/dts/mobileye/eyeq5-epm5.dts
@@ -21,3 +21,18 @@ memory@0 {
 		      <0x8 0x02000000 0x0 0x7E000000>;
 	};
 };
+
+&ospi {
+	flash0: flash@0 {
+		compatible = "jedec,spi-nor";
+		reg = <0>; /* chip select */
+
+		spi-max-frequency = <40000000>;
+		spi-rx-bus-width = <8>;
+		cdns,read-delay = <1>;
+		cdns,tshsl-ns = <400>;
+		cdns,tsd2d-ns = <400>;
+		cdns,tchsh-ns = <125>;
+		cdns,tslch-ns = <50>;
+	};
+};

-- 
2.44.0