linux-kernel - [PATCH 2/3] arm64: dts: imx8qm-mek: add lpspi2 support

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Date: Mon, 26 Feb 2024 15:33:56 -0500
From: Frank Li <Frank.Li@....com>
To: Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Shawn Guo <shawnguo@...nel.org>,
	Sascha Hauer <s.hauer@...gutronix.de>,
	Pengutronix Kernel Team <kernel@...gutronix.de>,
	Fabio Estevam <festevam@...il.com>,
	devicetree@...r.kernel.org (open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS),
	imx@...ts.linux.dev (open list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE),
	linux-arm-kernel@...ts.infradead.org (moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE),
	linux-kernel@...r.kernel.org (open list)
Subject: [PATCH 2/3] arm64: dts: imx8qm-mek: add lpspi2 support

Add lpspi2 support for imx8qm-mek board.

Signed-off-by: Frank Li <Frank.Li@....com>
---
 arch/arm64/boot/dts/freescale/imx8qm-mek.dts | 30 ++++++++++++++++++++
 1 file changed, 30 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx8qm-mek.dts b/arch/arm64/boot/dts/freescale/imx8qm-mek.dts
index 0c4972724b041..800dcb67642b1 100644
--- a/arch/arm64/boot/dts/freescale/imx8qm-mek.dts
+++ b/arch/arm64/boot/dts/freescale/imx8qm-mek.dts
@@ -85,6 +85,22 @@ &lpuart3 {
 	status = "okay";
 };
 
+&lpspi2 {
+	#address-cells = <1>;
+	#size-cells = <0>;
+	fsl,spi-num-chipselects = <1>;
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_lpspi2 &pinctrl_lpspi2_cs>;
+	cs-gpios = <&lsio_gpio3 10 GPIO_ACTIVE_LOW>;
+	status = "okay";
+
+	spidev0: spi@0 {
+		reg = <0>;
+		compatible = "rohm,dh2228fv";
+		spi-max-frequency = <30000000>;
+	};
+};
+
 &fec1 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_fec1>;
@@ -169,6 +185,20 @@ IMX8QM_ENET0_RGMII_RXD3_CONN_ENET0_RGMII_RXD3		0x06000020
 		>;
 	};
 
+	pinctrl_lpspi2: lpspi2grp {
+		fsl,pins = <
+			IMX8QM_SPI2_SCK_DMA_SPI2_SCK		0x06000040
+			IMX8QM_SPI2_SDO_DMA_SPI2_SDO		0x06000040
+			IMX8QM_SPI2_SDI_DMA_SPI2_SDI		0x06000040
+		>;
+	};
+
+	pinctrl_lpspi2_cs: lpspi2cs {
+		fsl,pins = <
+			IMX8QM_SPI2_CS0_LSIO_GPIO3_IO10		0x21
+		>;
+	};
+
 	pinctrl_lpuart0: lpuart0grp {
 		fsl,pins = <
 			IMX8QM_UART0_RX_DMA_UART0_RX				0x06000020
-- 
2.34.1