[PATCH 1/3] arm64: dts: imx8dxl: update flexcan[1-3] interrupt number

[PATCH 1/3] arm64: dts: imx8dxl: update flexcan[1-3] interrupt number

[Frank Li]

Update interrupt number of flexcan[1-3].

Signed-off-by: Frank Li <Frank.Li@nxp.com>
---
 arch/arm64/boot/dts/freescale/imx8dxl-ss-adma.dtsi | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx8dxl-ss-adma.dtsi b/arch/arm64/boot/dts/freescale/imx8dxl-ss-adma.dtsi
index f8fca86babda7..5d012c95222f5 100644
--- a/arch/arm64/boot/dts/freescale/imx8dxl-ss-adma.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8dxl-ss-adma.dtsi
@@ -102,6 +102,18 @@ &edma3 {
 		     <GIC_SPI 303 IRQ_TYPE_LEVEL_HIGH>;
 };
 
+&flexcan1 {
+	interrupts = <GIC_SPI 238 IRQ_TYPE_LEVEL_HIGH>;
+};
+
+&flexcan2 {
+	interrupts = <GIC_SPI 239 IRQ_TYPE_LEVEL_HIGH>;
+};
+
+&flexcan3 {
+	interrupts = <GIC_SPI 240 IRQ_TYPE_LEVEL_HIGH>;
+};
+
 &i2c0 {
 	compatible = "fsl,imx8dxl-lpi2c", "fsl,imx7ulp-lpi2c";
 	interrupts = <GIC_SPI 222 IRQ_TYPE_LEVEL_HIGH>;
-- 
2.34.1

[PATCH 2/3] arm64: dts: imx8dxl-evk: add i2c3 and its children nodes

[Frank Li]

Add i2c3 bus node. Add i2c gpio expandor pca6416 and i2c mux pca9548.

Signed-off-by: Frank Li <Frank.Li@nxp.com>
---
 arch/arm64/boot/dts/freescale/imx8dxl-evk.dts | 55 +++++++++++++++++++
 1 file changed, 55 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx8dxl-evk.dts b/arch/arm64/boot/dts/freescale/imx8dxl-evk.dts
index b972658efb176..d313cf1dd79d5 100644
--- a/arch/arm64/boot/dts/freescale/imx8dxl-evk.dts
+++ b/arch/arm64/boot/dts/freescale/imx8dxl-evk.dts
@@ -261,6 +261,61 @@ i2c@6 {
 	};
 };
 
+&i2c3 {
+	#address-cells = <1>;
+	#size-cells = <0>;
+	clock-frequency = <100000>;
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_i2c3>;
+	status = "okay";
+
+	pca6416_3: gpio@20 {
+		compatible = "ti,tca6416";
+		reg = <0x20>;
+		gpio-controller;
+		#gpio-cells = <2>;
+		interrupt-parent = <&lsio_gpio2>;
+		interrupts = <5 IRQ_TYPE_EDGE_RISING>;
+	};
+
+	pca9548_2: i2c-mux@70 {
+		compatible = "nxp,pca9548";
+		#address-cells = <1>;
+		#size-cells = <0>;
+		reg = <0x70>;
+
+		i2c@0 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <0x0>;
+		};
+
+		i2c@1 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <0x1>;
+		};
+
+		i2c@2 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <0x2>;
+		};
+
+		i2c@3 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <0x3>;
+		};
+
+		i2c@4 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <0x4>;
+		};
+	};
+};
+
 &lpuart0 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_lpuart0>;
-- 
2.34.1

[PATCH 3/3] arm64: dts: imx8dxl-evk: add flexcan2 and flecan3

[Frank Li]

Add flexcan2 and flexcan3 for imx8dxl-evk board.

Signed-off-by: Frank Li <Frank.Li@nxp.com>
---
 arch/arm64/boot/dts/freescale/imx8dxl-evk.dts | 46 +++++++++++++++++++
 1 file changed, 46 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx8dxl-evk.dts b/arch/arm64/boot/dts/freescale/imx8dxl-evk.dts
index d313cf1dd79d5..3ada9710ae71c 100644
--- a/arch/arm64/boot/dts/freescale/imx8dxl-evk.dts
+++ b/arch/arm64/boot/dts/freescale/imx8dxl-evk.dts
@@ -81,6 +81,24 @@ reg_fec1_io: regulator-2 {
 		status = "disabled";
 	};
 
+	reg_can0_stby: regulator-4 {
+		compatible = "regulator-fixed";
+		regulator-name = "can0-stby";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		gpio = <&pca6416_3 0 GPIO_ACTIVE_HIGH>;
+		enable-active-high;
+	};
+
+	reg_can1_stby: regulator-5 {
+		compatible = "regulator-fixed";
+		regulator-name = "can1-stby";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		gpio = <&pca6416_3 1 GPIO_ACTIVE_HIGH>;
+		enable-active-high;
+	};
+
 	reg_usdhc2_vmmc: regulator-3 {
 		compatible = "regulator-fixed";
 		regulator-name = "SD1_SPWR";
@@ -322,6 +340,20 @@ &lpuart0 {
 	status = "okay";
 };
 
+&flexcan2 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_flexcan2>;
+	xceiver-supply = <&reg_can0_stby>;
+	status = "okay";
+};
+
+&flexcan3 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_flexcan3>;
+	xceiver-supply = <&reg_can1_stby>;
+	status = "okay";
+};
+
 &lsio_gpio4 {
 	status = "okay";
 };
@@ -491,6 +523,20 @@ IMX8DXL_QSPI0B_SS0_B_LSIO_QSPI0B_SS0_B     0x06000021
 		>;
 	};
 
+	pinctrl_flexcan2: flexcan2grp {
+		fsl,pins = <
+			IMX8DXL_UART2_TX_ADMA_FLEXCAN1_TX	0x00000021
+			IMX8DXL_UART2_RX_ADMA_FLEXCAN1_RX	0x00000021
+		>;
+	};
+
+	pinctrl_flexcan3: flexcan3grp {
+		fsl,pins = <
+			IMX8DXL_FLEXCAN2_TX_ADMA_FLEXCAN2_TX	0x00000021
+			IMX8DXL_FLEXCAN2_RX_ADMA_FLEXCAN2_RX	0x00000021
+		>;
+	};
+
 	pinctrl_fec1: fec1grp {
 		fsl,pins = <
 			IMX8DXL_COMP_CTL_GPIO_1V8_3V3_ENET_ENETB0_PAD		0x000014a0
-- 
2.34.1

Re: [PATCH 2/3] arm64: dts: imx8dxl-evk: add i2c3 and its children nodes

[Krzysztof Kozlowski]

On 29/01/2024 23:14, Frank Li wrote:
> Add i2c3 bus node. Add i2c gpio expandor pca6416 and i2c mux pca9548.
> 
> Signed-off-by: Frank Li <Frank.Li@nxp.com>
> ---
>  arch/arm64/boot/dts/freescale/imx8dxl-evk.dts | 55 +++++++++++++++++++
>  1 file changed, 55 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/freescale/imx8dxl-evk.dts b/arch/arm64/boot/dts/freescale/imx8dxl-evk.dts
> index b972658efb176..d313cf1dd79d5 100644
> --- a/arch/arm64/boot/dts/freescale/imx8dxl-evk.dts
> +++ b/arch/arm64/boot/dts/freescale/imx8dxl-evk.dts
> @@ -261,6 +261,61 @@ i2c@6 {
>  	};
>  };
>  
> +&i2c3 {
> +	#address-cells = <1>;
> +	#size-cells = <0>;
> +	clock-frequency = <100000>;
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_i2c3>;
> +	status = "okay";
> +
> +	pca6416_3: gpio@20 {
> +		compatible = "ti,tca6416";
> +		reg = <0x20>;
> +		gpio-controller;
> +		#gpio-cells = <2>;
> +		interrupt-parent = <&lsio_gpio2>;
> +		interrupts = <5 IRQ_TYPE_EDGE_RISING>;
> +	};
> +
> +	pca9548_2: i2c-mux@70 {
> +		compatible = "nxp,pca9548";
> +		#address-cells = <1>;
> +		#size-cells = <0>;
> +		reg = <0x70>;

reg is always the second property.

https://www.kernel.org/doc/html/latest/devicetree/bindings/dts-coding-style.html#order-of-properties-in-device-node



Best regards,
Krzysztof