arm64: dts: imx8mn-bsh-smm-s2/pro: Add iMX8MN BSH SMM S2 boards

Introduce BSH SystemMaster (SMM) S2 board family, which consists of:
iMX8MN SMM S2 and iMX8MN SMM S2 PRO boards.

Add support for iMX8MN BSH SMM S2 board:

- 256 MiB DDR3 RAM
- 512 MiB NAND
- Megabit Ethernet PHY
- Wi-Fi 802.11 a/b/g/n/ac with Bluetooth 5.0
- USB-OTG (peripheral mode)

Add support for iMX8MN BSH SMM S2 PRO board:

- 512 MiB DDR3 RAM
- 8 GiB eMMC
- Megabit Ethernet PHY
- Wi-Fi 802.11 a/b/g/n/ac with Bluetooth 5.0
- USB-OTG (peripheral mode)
Signed-off-by: Ariel D'Alessandro <ariel.dalessandro@collabora.com>
Signed-off-by: Michael Trimarchi <michael@amarulasolutions.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

arch/arm64/boot/dts/freescale/Makefile

@@ -48,6 +48,8 @@ dtb-$(CONFIG_ARCH_MXC) += imx8mm-venice-gw73xx-0x.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx8mm-venice-gw7901.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx8mm-venice-gw7902.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx8mn-beacon-kit.dtb
+dtb-$(CONFIG_ARCH_MXC) += imx8mn-bsh-smm-s2.dtb
+dtb-$(CONFIG_ARCH_MXC) += imx8mn-bsh-smm-s2pro.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx8mn-evk.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx8mn-ddr4-evk.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx8mn-tqma8mqnl-mba8mx.dtb

arch/arm64/boot/dts/freescale/imx8mn-bsh-smm-s2.dts

+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright 2021 Collabora Ltd.
+ * Copyright 2021 BSH Hausgeraete GmbH
+ */
+
+/dts-v1/;
+
+#include "imx8mn-bsh-smm-s2-common.dtsi"
+
+/ {
+	model = "BSH SMM S2";
+	compatible = "bsh,imx8mn-bsh-smm-s2", "fsl,imx8mn";
+
+	memory@40000000 {
+		device_type = "memory";
+		reg = <0x0 0x40000000 0x0 0x10000000>;
+	};
+};
+
+&gpmi {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_gpmi_nand>;
+	nand-on-flash-bbt;
+	status = "okay";
+};
+
+&iomuxc {
+	pinctrl_gpmi_nand: gpmi-nand {
+		fsl,pins = <
+			MX8MN_IOMUXC_NAND_ALE_RAWNAND_ALE		0x00000096
+			MX8MN_IOMUXC_NAND_CE0_B_RAWNAND_CE0_B		0x00000096
+			MX8MN_IOMUXC_NAND_CLE_RAWNAND_CLE		0x00000096
+			MX8MN_IOMUXC_NAND_DATA00_RAWNAND_DATA00		0x00000096
+			MX8MN_IOMUXC_NAND_DATA01_RAWNAND_DATA01		0x00000096
+			MX8MN_IOMUXC_NAND_DATA02_RAWNAND_DATA02		0x00000096
+			MX8MN_IOMUXC_NAND_DATA03_RAWNAND_DATA03		0x00000096
+			MX8MN_IOMUXC_NAND_DATA04_RAWNAND_DATA04		0x00000096
+			MX8MN_IOMUXC_NAND_DATA05_RAWNAND_DATA05		0x00000096
+			MX8MN_IOMUXC_NAND_DATA06_RAWNAND_DATA06		0x00000096
+			MX8MN_IOMUXC_NAND_DATA07_RAWNAND_DATA07		0x00000096
+			MX8MN_IOMUXC_NAND_RE_B_RAWNAND_RE_B		0x00000096
+			MX8MN_IOMUXC_NAND_READY_B_RAWNAND_READY_B	0x00000056
+			MX8MN_IOMUXC_NAND_WE_B_RAWNAND_WE_B		0x00000096
+			MX8MN_IOMUXC_NAND_WP_B_RAWNAND_WP_B		0x00000096
+		>;
+	};
+};

arch/arm64/boot/dts/freescale/imx8mn-bsh-smm-s2pro.dts

+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright 2021 Collabora Ltd.
+ * Copyright 2021 BSH Hausgeraete GmbH
+ */
+
+/dts-v1/;
+
+#include "imx8mn-bsh-smm-s2-common.dtsi"
+
+/ {
+	model = "BSH SMM S2 PRO";
+	compatible = "bsh,imx8mn-bsh-smm-s2pro", "fsl,imx8mn";
+
+	memory@40000000 {
+		device_type = "memory";
+		reg = <0x0 0x40000000 0x0 0x20000000>;
+	};
+};
+
+/* eMMC */
+&usdhc1 {
+	pinctrl-names = "default", "state_100mhz", "state_200mhz";
+	pinctrl-0 = <&pinctrl_usdhc1>;
+	pinctrl-1 = <&pinctrl_usdhc1_100mhz>;
+	pinctrl-2 = <&pinctrl_usdhc1_200mhz>;
+	bus-width = <8>;
+	non-removable;
+	status = "okay";
+};
+
+&iomuxc {
+	pinctrl_usdhc1: usdhc1grp {
+		fsl,pins = <
+			MX8MN_IOMUXC_SD1_CLK_USDHC1_CLK			0x40000090
+			MX8MN_IOMUXC_SD1_CMD_USDHC1_CMD			0x0d0
+			MX8MN_IOMUXC_SD1_DATA0_USDHC1_DATA0		0x0d0
+			MX8MN_IOMUXC_SD1_DATA1_USDHC1_DATA1		0x0d0
+			MX8MN_IOMUXC_SD1_DATA2_USDHC1_DATA2		0x0d0
+			MX8MN_IOMUXC_SD1_DATA3_USDHC1_DATA3		0x0d0
+			MX8MN_IOMUXC_SD1_DATA4_USDHC1_DATA4		0x0d0
+			MX8MN_IOMUXC_SD1_DATA5_USDHC1_DATA5		0x0d0
+			MX8MN_IOMUXC_SD1_DATA6_USDHC1_DATA6		0x0d0
+			MX8MN_IOMUXC_SD1_DATA7_USDHC1_DATA7		0x0d0
+			MX8MN_IOMUXC_SD1_STROBE_USDHC1_STROBE		0x090
+		>;
+	};
+
+	pinctrl_usdhc1_100mhz: usdhc1grp100mhz {
+		fsl,pins = <
+			MX8MN_IOMUXC_SD1_CLK_USDHC1_CLK			0x40000094
+			MX8MN_IOMUXC_SD1_CMD_USDHC1_CMD			0x0d4
+			MX8MN_IOMUXC_SD1_DATA0_USDHC1_DATA0		0x0d4
+			MX8MN_IOMUXC_SD1_DATA1_USDHC1_DATA1		0x0d4
+			MX8MN_IOMUXC_SD1_DATA2_USDHC1_DATA2		0x0d4
+			MX8MN_IOMUXC_SD1_DATA3_USDHC1_DATA3		0x0d4
+			MX8MN_IOMUXC_SD1_DATA4_USDHC1_DATA4		0x0d4
+			MX8MN_IOMUXC_SD1_DATA5_USDHC1_DATA5		0x0d4
+			MX8MN_IOMUXC_SD1_DATA6_USDHC1_DATA6		0x0d4
+			MX8MN_IOMUXC_SD1_DATA7_USDHC1_DATA7		0x0d4
+			MX8MN_IOMUXC_SD1_STROBE_USDHC1_STROBE		0x094
+		>;
+	};
+
+	pinctrl_usdhc1_200mhz: usdhc1grp200mhz {
+		fsl,pins = <
+			MX8MN_IOMUXC_SD1_CLK_USDHC1_CLK			0x40000096
+			MX8MN_IOMUXC_SD1_CMD_USDHC1_CMD			0x0d6
+			MX8MN_IOMUXC_SD1_DATA0_USDHC1_DATA0		0x0d6
+			MX8MN_IOMUXC_SD1_DATA1_USDHC1_DATA1		0x0d6
+			MX8MN_IOMUXC_SD1_DATA2_USDHC1_DATA2		0x0d6
+			MX8MN_IOMUXC_SD1_DATA3_USDHC1_DATA3		0x0d6
+			MX8MN_IOMUXC_SD1_DATA4_USDHC1_DATA4		0x0d6
+			MX8MN_IOMUXC_SD1_DATA5_USDHC1_DATA5		0x0d6
+			MX8MN_IOMUXC_SD1_DATA6_USDHC1_DATA6		0x0d6
+			MX8MN_IOMUXC_SD1_DATA7_USDHC1_DATA7		0x0d6
+			MX8MN_IOMUXC_SD1_STROBE_USDHC1_STROBE		0x096
+		>;
+	};
+};