linux-kernel - [PATCH v1 3/3] arm64: dts: imx8mp: add ABB spi sensors

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Message-Id: <20250719063355.73111-4-hs@denx.de>
Date: Sat, 19 Jul 2025 08:33:54 +0200
From: Heiko Schocher <hs@...x.de>
To: linux-spi@...r.kernel.org
Cc: linux-kernel@...r.kernel.org,
	Heiko Schocher <hs@...x.de>,
	Conor Dooley <conor+dt@...nel.org>,
	Fabio Estevam <festevam@...il.com>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Pengutronix Kernel Team <kernel@...gutronix.de>,
	Rob Herring <robh@...nel.org>,
	Sascha Hauer <s.hauer@...gutronix.de>,
	Shawn Guo <shawnguo@...nel.org>,
	devicetree@...r.kernel.org,
	imx@...ts.linux.dev,
	linux-arm-kernel@...ts.infradead.org
Subject: [PATCH v1 3/3] arm64: dts: imx8mp: add ABB spi sensors

add for the spi busses the ABB sensor trivial compatible
entry, so they can be accessed from userspace.

Signed-off-by: Heiko Schocher <hs@...x.de>
---

 .../freescale/imx8mp-aristainetos3-helios.dts | 28 +++++++++++++++++++
 .../imx8mp-aristainetos3-proton2s.dts         | 22 +++++++++++++++
 2 files changed, 50 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx8mp-aristainetos3-helios.dts b/arch/arm64/boot/dts/freescale/imx8mp-aristainetos3-helios.dts
index a4e649a8239b..b6ba6229acd7 100644
--- a/arch/arm64/boot/dts/freescale/imx8mp-aristainetos3-helios.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mp-aristainetos3-helios.dts
@@ -52,6 +52,34 @@
 	};
 };
 
+&ecspi1 {
+	spidev0_0: spi@0 {
+		reg = <0>;
+		compatible = "abb,spi-sensor";
+		spi-max-frequency = <54000000>;
+	};
+
+	spidev0_1: spi@1 {
+		compatible = "abb,spi-sensor";
+		reg = <1>;
+		spi-max-frequency = <54000000>;
+	};
+};
+
+&ecspi2 {
+	spidev1_0: spi@0 {
+		reg = <0>;
+		compatible = "abb,spi-sensor";
+		spi-max-frequency = <54000000>;
+	};
+
+	spidev1_1: spi@1 {
+		reg = <1>;
+		compatible = "abb,spi-sensor";
+		spi-max-frequency = <54000000>;
+	};
+};
+
 &ethphy1 {
 	status = "disabled";
 };
diff --git a/arch/arm64/boot/dts/freescale/imx8mp-aristainetos3-proton2s.dts b/arch/arm64/boot/dts/freescale/imx8mp-aristainetos3-proton2s.dts
index 2a736dbe96b4..e804688b2e74 100644
--- a/arch/arm64/boot/dts/freescale/imx8mp-aristainetos3-proton2s.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mp-aristainetos3-proton2s.dts
@@ -28,6 +28,28 @@
 	};
 };
 
+&ecspi1 {
+	spidev0_0: spi@0 {
+		compatible = "abb,spi-sensor";
+		reg = <0>;
+		spi-max-frequency = <54000000>;
+	};
+
+	spidev0_1: spi@1 {
+		compatible = "abb,spi-sensor";
+		reg = <1>;
+		spi-max-frequency = <54000000>;
+	};
+};
+
+&ecspi2 {
+	spidev1_0: spi@0 {
+		compatible = "abb,spi-sensor";
+		reg = <0>;
+		spi-max-frequency = <54000000>;
+	};
+};
+
 &ethphy1 {
 	status = "disabled";
 };
-- 
2.20.1