linux-kernel - [PATCH 1/2] ARM: dts: Update common LWE file for XEA and BTT3 boards

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-Id: <20250326173400.2697684-1-lukma@denx.de>
Date: Wed, 26 Mar 2025 18:33:59 +0100
From: Lukasz Majewski <lukma@...x.de>
To: Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Shawn Guo <shawnguo@...nel.org>
Cc: Sascha Hauer <s.hauer@...gutronix.de>,
	Pengutronix Kernel Team <kernel@...gutronix.de>,
	Fabio Estevam <festevam@...il.com>,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	imx@...ts.linux.dev,
	linux-arm-kernel@...ts.infradead.org,
	Lukasz Majewski <lukma@...x.de>
Subject: [PATCH 1/2] ARM: dts: Update common LWE file for XEA and BTT3 boards

During development it has turned out that the spidev node needs to be
defined.

Moreover, some crucial for the systems operation, regulator properties
were missing.

Signed-off-by: Lukasz Majewski <lukma@...x.de>
---
 arch/arm/boot/dts/nxp/mxs/imx28-lwe.dtsi | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/arch/arm/boot/dts/nxp/mxs/imx28-lwe.dtsi b/arch/arm/boot/dts/nxp/mxs/imx28-lwe.dtsi
index 410dfe17f8ca..46858050d0d3 100644
--- a/arch/arm/boot/dts/nxp/mxs/imx28-lwe.dtsi
+++ b/arch/arm/boot/dts/nxp/mxs/imx28-lwe.dtsi
@@ -26,6 +26,7 @@ reg_3v3: regulator-reg-3v3 {
 		regulator-name = "3V3";
 		regulator-min-microvolt = <3300000>;
 		regulator-max-microvolt = <3300000>;
+		regulator-always-on;
 	};
 
 	reg_usb_5v: regulator-reg-usb-5v {
@@ -33,6 +34,7 @@ reg_usb_5v: regulator-reg-usb-5v {
 		regulator-name = "usb_vbus";
 		regulator-min-microvolt = <5000000>;
 		regulator-max-microvolt = <5000000>;
+		enable-active-high;
 	};
 
 	reg_fec_3v3: regulator-reg-fec-3v3 {
@@ -40,6 +42,8 @@ reg_fec_3v3: regulator-reg-fec-3v3 {
 		regulator-name = "fec-phy";
 		regulator-min-microvolt = <3300000>;
 		regulator-max-microvolt = <3300000>;
+		enable-active-high;
+		regulator-boot-on;
 	};
 };
 
@@ -134,6 +138,12 @@ partition@...000 {
 			};
 		};
 	};
+
+	spidev2@2 {
+		compatible = "lwn,btt";
+		spi-max-frequency = <100000000>;
+		reg = <2>;
+	};
 };
 
 &usb0 {
-- 
2.39.5