bsh: imx6ulz_smm_m2: Add imx6ulz BSH SMM M2 boards

Introduce BSH SystemMaster (SMM) M2 board family, which consists of:
imx6ulz SMM M2 and imx6ulz SMM M2 PRO boards.

Add support for imx6ulz BSH SMM M2 board:

- 128 MiB DDR3 RAM
- 256MiB Nand
- USBOTG1 peripheral - fastboot.

Signed-off-by: Michael Trimarchi <michael@amarulasolutions.com>
Reviewed-by: Fabio Estevam <festevam@denx.de>

4 files changed, 194 insertions, 0 deletions

diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index 8f9e2809e43..965895bc2a3 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -895,6 +895,7 @@ dtb-$(CONFIG_MX6ULL) += \
 	imx6ull-phytec-segin-ff-rdk-emmc.dtb \
 	imx6ull-dart-6ul.dtb \
 	imx6ull-somlabs-visionsom.dtb \
+	imx6ulz-bsh-smm-m2.dtb \
 	imx6ulz-14x14-evk.dtb
 
 dtb-$(CONFIG_ARCH_MX6) += \
diff --git a/arch/arm/dts/imx6ulz-bsh-smm-m2-u-boot.dtsi b/arch/arm/dts/imx6ulz-bsh-smm-m2-u-boot.dtsi
new file mode 100644
index 00000000000..75dbf6ed78a
--- /dev/null
+++ b/arch/arm/dts/imx6ulz-bsh-smm-m2-u-boot.dtsi
@@ -0,0 +1,35 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2022 BSH Hausgeraete GmbH
+ *
+ * Author: Michael Trimarchi <michael@amarulasolutions.com>
+ */
+
+&{/soc} {
+	u-boot,dm-pre-reloc;
+};
+
+&aips2 {
+	u-boot,dm-pre-reloc;
+};
+
+&iomuxc {
+	u-boot,dm-pre-reloc;
+};
+
+&iomuxc_snvs {
+	u-boot,dm-pre-reloc;
+};
+
+&uart4 {
+	u-boot,dm-pre-reloc;
+};
+
+&pinctrl_uart4 {
+	u-boot,dm-pre-reloc;
+};
+
+&gpmi {
+	u-boot,dm-spl;
+	u-boot,dm-pre-reloc;
+};
diff --git a/arch/arm/dts/imx6ulz-bsh-smm-m2.dts b/arch/arm/dts/imx6ulz-bsh-smm-m2.dts
new file mode 100644
index 00000000000..59bcfc9a6b1
--- /dev/null
+++ b/arch/arm/dts/imx6ulz-bsh-smm-m2.dts
@@ -0,0 +1,146 @@
+// SPDX-License-Identifier: (GPL-2.0 OR MIT)
+/*
+ * Copyright (C) 2021 BSH Hausgeraete GmbH
+ */
+
+/dts-v1/;
+
+#include <dt-bindings/input/input.h>
+#include "imx6ulz.dtsi"
+
+/ {
+	model = "BSH SMM M2";
+	compatible = "bsh,imx6ulz-bsh-smm-m2", "fsl,imx6ull", "fsl,imx6ulz";
+
+	chosen {
+		stdout-path = &uart4;
+	};
+
+	usdhc2_pwrseq: usdhc2-pwrseq {
+		compatible = "mmc-pwrseq-simple";
+		reset-gpios = <&gpio2 21 GPIO_ACTIVE_LOW>;
+	};
+};
+
+&gpmi {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_gpmi_nand>;
+	nand-on-flash-bbt;
+	status = "okay";
+};
+
+&uart3 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_uart3>;
+	uart-has-rtscts;
+	status = "okay";
+
+	bluetooth {
+		compatible = "brcm,bcm4330-bt";
+		max-speed = <3000000>;
+		shutdown-gpios = <&gpio1 1 GPIO_ACTIVE_HIGH>;
+		device-wakeup-gpios = <&gpio2 17 GPIO_ACTIVE_HIGH>;
+		host-wakeup-gpios = <&gpio2 13 GPIO_ACTIVE_HIGH>;
+	};
+};
+
+&uart4 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_uart4>;
+	status = "okay";
+};
+
+&usbotg1 {
+	dr_mode = "peripheral";
+	srp-disable;
+	hnp-disable;
+	adp-disable;
+	status = "okay";
+};
+
+&usbphy1 {
+	fsl,tx-d-cal = <106>;
+};
+
+&usdhc2 {
+	#address-cells = <1>;
+	#size-cells = <0>;
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_wlan>;
+	bus-width = <4>;
+	no-1-8-v;
+	non-removable;
+	cap-power-off-card;
+	keep-power-in-suspend;
+	cap-sdio-irq;
+	mmc-pwrseq = <&usdhc2_pwrseq>;
+	status = "okay";
+
+	brcmf: wifi@1 {
+		reg = <1>;
+		compatible = "brcm,bcm4329-fmac";
+		interrupt-parent = <&gpio1>;
+		interrupts = <18 IRQ_TYPE_LEVEL_HIGH>;
+		interrupt-names = "host-wake";
+	};
+};
+
+&wdog1 {
+	status = "okay";
+};
+
+&iomuxc {
+	pinctrl_gpmi_nand: gpmi-nand {
+		fsl,pins = <
+			MX6UL_PAD_NAND_CLE__RAWNAND_CLE		0xb0b1
+			MX6UL_PAD_NAND_ALE__RAWNAND_ALE		0xb0b1
+			MX6UL_PAD_NAND_WP_B__RAWNAND_WP_B	0xb0b1
+			MX6UL_PAD_NAND_READY_B__RAWNAND_READY_B	0xb000
+			MX6UL_PAD_NAND_CE0_B__RAWNAND_CE0_B	0xb0b1
+			MX6UL_PAD_NAND_RE_B__RAWNAND_RE_B	0xb0b1
+			MX6UL_PAD_NAND_WE_B__RAWNAND_WE_B	0xb0b1
+			MX6UL_PAD_NAND_DATA00__RAWNAND_DATA00	0xb0b1
+			MX6UL_PAD_NAND_DATA01__RAWNAND_DATA01	0xb0b1
+			MX6UL_PAD_NAND_DATA02__RAWNAND_DATA02	0xb0b1
+			MX6UL_PAD_NAND_DATA03__RAWNAND_DATA03	0xb0b1
+			MX6UL_PAD_NAND_DATA04__RAWNAND_DATA04	0xb0b1
+			MX6UL_PAD_NAND_DATA05__RAWNAND_DATA05	0xb0b1
+			MX6UL_PAD_NAND_DATA06__RAWNAND_DATA06	0xb0b1
+			MX6UL_PAD_NAND_DATA07__RAWNAND_DATA07	0xb0b1
+		>;
+	};
+
+	pinctrl_uart3: uart3grp {
+		fsl,pins = <
+			MX6UL_PAD_UART3_TX_DATA__UART3_DCE_TX	0x1b0b1
+			MX6UL_PAD_UART3_RX_DATA__UART3_DCE_RX	0x1b099
+			MX6UL_PAD_UART3_RTS_B__UART3_DCE_RTS	0x1b0b1
+			MX6UL_PAD_UART3_CTS_B__UART3_DCE_CTS	0x1b099
+			MX6UL_PAD_GPIO1_IO01__GPIO1_IO01	0x79		/* BT_REG_ON */
+			MX6UL_PAD_SD1_CLK__GPIO2_IO17		0x100b1		/* BT_DEV_WAKE out */
+			MX6UL_PAD_ENET2_TX_EN__GPIO2_IO13	0x1b0b0		/* BT_HOST_WAKE in */
+		>;
+	};
+
+	pinctrl_uart4: uart4grp {
+		fsl,pins = <
+			MX6UL_PAD_UART4_TX_DATA__UART4_DCE_TX	0x1b0b1
+			MX6UL_PAD_UART4_RX_DATA__UART4_DCE_RX	0x1b0b1
+		>;
+	};
+
+	pinctrl_wlan: wlangrp {
+		fsl,pins = <
+			MX6UL_PAD_CSI_HSYNC__USDHC2_CMD		0x17059
+			MX6UL_PAD_CSI_VSYNC__USDHC2_CLK		0x10059
+			MX6UL_PAD_CSI_DATA00__USDHC2_DATA0	0x17059
+			MX6UL_PAD_CSI_DATA01__USDHC2_DATA1	0x17059
+			MX6UL_PAD_CSI_DATA02__USDHC2_DATA2	0x17059
+			MX6UL_PAD_CSI_DATA03__USDHC2_DATA3	0x17059
+			MX6UL_PAD_SD1_DATA3__GPIO2_IO21		0x79		/* WL_REG_ON */
+			MX6UL_PAD_UART2_CTS_B__GPIO1_IO22	0x100b1		/* WL_DEV_WAKE - WiFi_GPIO_4 - WiFi FW UART */
+			MX6UL_PAD_UART1_CTS_B__GPIO1_IO18	0x1b0b1		/* WL_HOST_WAKE - WIFI_GPIO_0 - OOB IRQ */
+			MX6UL_PAD_ENET1_RX_EN__OSC32K_32K_OUT	0x4001b031	/* OSC 32Khz wifi clk in */
+		>;
+	};
+};
diff --git a/arch/arm/mach-imx/mx6/Kconfig b/arch/arm/mach-imx/mx6/Kconfig
index ec560fe2570..c7a03e50421 100644
--- a/arch/arm/mach-imx/mx6/Kconfig
+++ b/arch/arm/mach-imx/mx6/Kconfig
@@ -466,6 +466,17 @@ config TARGET_MX6ULL_14X14_EVK
 	select DM_THERMAL
 	imply CMD_DM
 
+config TARGET_MX6ULZ_SMM_M2
+	bool "Support imx6ulz_smm_m2"
+	depends on MX6ULL
+	select DM
+	select DM_GPIO
+	select DM_I2C
+	select DM_SERIAL
+	select DM_MTD
+	select DM_THERMAL
+	select SUPPORT_SPL
+
 config TARGET_MYS_6ULX
 	bool "MYiR MYS-6ULX"
 	depends on MX6ULL
@@ -680,6 +691,7 @@ source "board/ge/b1x5v2/Kconfig"
 source "board/aristainetos/Kconfig"
 source "board/armadeus/opos6uldev/Kconfig"
 source "board/boundary/nitrogen6x/Kconfig"
+source "board/bsh/imx6ulz_smm_m2/Kconfig"
 source "board/bticino/mamoj/Kconfig"
 source "board/compulab/cm_fx6/Kconfig"
 source "board/dhelectronics/dh_imx6/Kconfig"