[can-next-rfc 8/8] imx6dl-riotboard-can: added

[Marc Kleine-Budde <mkl@xxxxxxxxxxxxxx>]

Signed-off-by: Marc Kleine-Budde <mkl@xxxxxxxxxxxxxx>
---
 arch/arm/boot/dts/Makefile                 |   1 +
 arch/arm/boot/dts/imx6dl-riotboard-can.dts | 187 +++++++++++++++++++++
 2 files changed, 188 insertions(+)
 create mode 100644 arch/arm/boot/dts/imx6dl-riotboard-can.dts

diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index f8f09c5066e7..e77c91d4aa27 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -469,6 +469,7 @@ dtb-$(CONFIG_SOC_IMX6Q) += \
 	imx6dl-prtvt7.dtb \
 	imx6dl-rex-basic.dtb \
 	imx6dl-riotboard.dtb \
+	imx6dl-riotboard-can.dtb \
 	imx6dl-sabreauto.dtb \
 	imx6dl-sabrelite.dtb \
 	imx6dl-sabresd.dtb \
diff --git a/arch/arm/boot/dts/imx6dl-riotboard-can.dts b/arch/arm/boot/dts/imx6dl-riotboard-can.dts
new file mode 100644
index 000000000000..5b995496f554
--- /dev/null
+++ b/arch/arm/boot/dts/imx6dl-riotboard-can.dts
@@ -0,0 +1,187 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/dts-v1/;
+
+#include "imx6dl-riotboard.dts"
+
+/ {
+	clocks {
+		mcp251xfd1_osc: mcp251xfd1-osc {
+			compatible = "fixed-clock";
+			#clock-cells = <0>;
+			clock-frequency = <40000000>;
+		};
+
+		mcp251xfd2_osc: mcp251xfd2-osc {
+			compatible = "fixed-clock";
+			#clock-cells = <0>;
+			clock-frequency = <40000000>;
+		};
+
+		tcan4x5x_osc: tcan4x5x-osc {
+			compatible = "fixed-clock";
+			#clock-cells = <0>;
+			clock-frequency = <40000000>;
+		};
+	};
+
+	reg_mcp251xfd1_xceiver: regulator-mcp251xfd1-xceiver {
+		compatible = "regulator-fixed";
+		regulator-name = "mcp251xfd1-xceiver";
+		gpio = <&gpio4 30 GPIO_ACTIVE_LOW>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_mcp251xfd1_xceiver>;
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+	};
+
+	reg_mcp251xfd1_vdd: regulator-mcp251xfd-vdd {
+		compatible = "regulator-fixed";
+		regulator-name = "mcp251xfd1-vdd";
+		gpio = <&gpio4 19 GPIO_ACTIVE_HIGH>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_mcp251xfd1_vdd>;
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		enable-active-high;
+	};
+
+#if 0
+	reg_tcan4x5x_vsup: regulator-tcan4x5x-vsup {
+		compatible = "regulator-fixed";
+		regulator-name = "tcan4x5x-vsup";
+		gpio = <&gpio5 6 GPIO_ACTIVE_LOW>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_tcan4x5x_vsup>;
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+		startup-delay-us = <600>;
+	};
+#endif
+};
+
+&iomuxc {
+	pinctrl-names = "default";
+
+	imx6-riotboard {
+		pinctrl_flexcan1: flexcan1_grp {
+			fsl,pins = <
+				MX6QDL_PAD_GPIO_7__FLEXCAN1_TX		0x1b0b0
+				MX6QDL_PAD_GPIO_8__FLEXCAN1_RX		0x1b0b0
+			>;
+		};
+
+		pinctrl_mcp251xfd1_mikrobus: mcp251xfd1_mikrobus_grp {
+			fsl,pins = <
+				MX6QDL_PAD_DISP0_DAT12__GPIO5_IO06	0x1b0b0		// GPIO5_06	-> IRQ
+			>;
+		};
+
+		pinctrl_mcp251xfd1_shield: mcp251xfd1_shield_grp {
+			fsl,pins = <
+				MX6QDL_PAD_DISP0_DAT13__GPIO5_IO07	0x1b0b0		// GPIO5_07	-> IRQ
+			>;
+		};
+
+		pinctrl_mcp251xfd1_xceiver: mcp251xfd1_xceiver_grp {
+			fsl,pins = <
+				MX6QDL_PAD_DISP0_DAT9__GPIO4_IO30	0x1b0b0		// PWM2		-> xceiver
+			>;
+		};
+
+		pinctrl_mcp251xfd1_vdd: mcp251xfd1_vdd_grp {
+			fsl,pins = <
+				MX6QDL_PAD_DI0_PIN3__GPIO4_IO19		0x1b0b0		// GPIO4_19	-> VDD
+			>;
+		};
+
+		pinctrl_mcp251xfd2_shield: mcp251xfd2_shield_grp {
+			fsl,pins = <
+				MX6QDL_PAD_EIM_D25__GPIO3_IO25		0x1b0b0		// UART3_RXD	-> IRQ
+			>;
+
+		};
+#if 0
+		pinctrl_tcan4x5x: tcan4x5xgrp {
+			fsl,pins = <
+				MX6QDL_PAD_DISP0_DAT10__GPIO4_IO31	0x1b0b0		// IRQ
+				MX6QDL_PAD_DISP0_DAT11__GPIO5_IO05	0x1b0b0		// wake
+			>;
+		};
+
+		pinctrl_tcan4x5x_vsup: tcan4x5x_vsup_grp {
+			fsl,pins = <
+				MX6QDL_PAD_DISP0_DAT12__GPIO5_IO06	0x1b0b0
+			>;
+		};
+#endif
+	};
+};
+
+&can1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_flexcan1>;
+	status = "okay";
+};
+
+&i2c4 {
+	status = "disabled";
+};
+
+&pwm2 {
+	status = "disabled";
+};
+
+&uart3 {
+	status = "disabled";
+};
+
+&ecspi2 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_ecspi2>;
+	cs-gpios = <&gpio5 12 GPIO_ACTIVE_LOW>, <&gpio5 9 GPIO_ACTIVE_LOW>;
+	status = "okay";
+
+	mcp251xfd1: mcp251xfd@0 {
+		reg = <0>;
+		compatible = "microchip,mcp251xfd";
+		xceiver-supply = <&reg_mcp251xfd1_xceiver>;
+		vdd-supply = <&reg_mcp251xfd1_vdd>;
+		pinctrl-names = "default";
+#if 1
+		pinctrl-0 = <&pinctrl_mcp251xfd1_mikrobus>;
+		interrupts-extended = <&gpio5 6 IRQ_TYPE_LEVEL_LOW>;	// mikrobus
+#else
+		pinctrl-0 = <&pinctrl_mcp251xfd1_shield>;
+		interrupts-extended = <&gpio5 7 IRQ_TYPE_LEVEL_LOW>;	// shield
+#endif
+		clocks = <&mcp251xfd1_osc>;
+		spi-max-frequency = <20000000>;
+	};
+
+	mcp251xfd2: mcp251xfd@1 {
+		reg = <1>;
+		compatible = "microchip,mcp251xfd";
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_mcp251xfd2_shield>;
+		interrupts-extended = <&gpio3 25 IRQ_TYPE_LEVEL_LOW>;
+		clocks = <&mcp251xfd2_osc>;
+		spi-max-frequency = <20000000>;
+	};
+
+#if 0
+	tcan4x5x: tcan4x5x@1 {
+		reg = <1>;
+		compatible = "ti,tcan4x5x";
+		vsup-supply = <&reg_tcan4x5x_vsup>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_tcan4x5x>;
+		spi-max-frequency = <10000000>;
+		bosch,mram-cfg = <0x0 0 0 16 0 0 1 1>;
+		interrupt-parent = <&gpio4>;
+		interrupts = <31 IRQ_TYPE_LEVEL_LOW>;
+		clock-names = "cclk";
+		clocks = <&tcan4x5x_osc>;
+		device-wake-gpios = <&gpio5 5 GPIO_ACTIVE_HIGH>;
+	};
+#endif
+};
-- 
2.30.2