Add initial support for Mettler-Toledo Snowflake V2 terminal.
The board is using Kontron SL i.MX 8M Mini SoM with 1GB RAM.
Supported board features:
* 7" Display with touchscreen
* RS-232
* I2S Audio
* SD-card/eMMC
* USB
Signed-off-by: Tobias Graemer <tobias.grae...@mt.com>
Signed-off-by: Wojciech Dubowik <wojciech.dubo...@mt.com>
---
arch/arm64/boot/dts/freescale/Makefile | 1 +
.../dts/freescale/imx8mm-mt-snowflake-v2.dts | 482 ++++++++++++++++++
2 files changed, 483 insertions(+)
create mode 100644 arch/arm64/boot/dts/freescale/imx8mm-mt-snowflake-v2.dts
diff --git a/arch/arm64/boot/dts/freescale/Makefile
b/arch/arm64/boot/dts/freescale/Makefile
index 0b473a23d120..86f2f1580696 100644
--- a/arch/arm64/boot/dts/freescale/Makefile
+++ b/arch/arm64/boot/dts/freescale/Makefile
@@ -128,6 +128,7 @@ dtb-$(CONFIG_ARCH_MXC) += imx8mm-iot-gateway.dtb
dtb-$(CONFIG_ARCH_MXC) += imx8mm-innocomm-wb15-evk.dtb
dtb-$(CONFIG_ARCH_MXC) += imx8mm-kontron-bl.dtb
dtb-$(CONFIG_ARCH_MXC) += imx8mm-kontron-bl-osm-s.dtb
+dtb-$(CONFIG_ARCH_MXC) += imx8mm-mt-snowflake-v2.dtb
dtb-$(CONFIG_ARCH_MXC) += imx8mm-mx8menlo.dtb
dtb-$(CONFIG_ARCH_MXC) += imx8mm-nitrogen-r2.dtb
dtb-$(CONFIG_ARCH_MXC) += imx8mm-phg.dtb
diff --git a/arch/arm64/boot/dts/freescale/imx8mm-mt-snowflake-v2.dts
b/arch/arm64/boot/dts/freescale/imx8mm-mt-snowflake-v2.dts
new file mode 100644
index 000000000000..2bebf528ec37
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/imx8mm-mt-snowflake-v2.dts
@@ -0,0 +1,482 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2023 Mettler-Toledo GmbH
+ */
+
+/dts-v1/;
+
+#include "imx8mm-kontron-sl.dtsi"
+
+/ {
+ model = "Mettler Toledo i.MX8MM Snowflake V2";
+ compatible = "mt,imx8mm-snowflake-v2", "kontron,imx8mm-sl",
+ "fsl,imx8mm";
+
+ chosen {
+ stdout-path = &uart3;
+ };
+
+ aliases {
+ ethernet1 = &usbnet;
+ };
+
+ backlight: backlight {
+ compatible = "pwm-backlight";
+ pwms = <&pwm1 0 500000 0>;
+ power-supply = <®_5v>;
+ brightness-levels = <0 100>;
+ num-interpolated-steps = <100>;
+ default-brightness-level = <100>;
+ status = "okay";
+ };
+
+ panel {
+ compatible = "edt,etml0700y5dha";
+ backlight = <&backlight>;
+ power-supply = <®_vdd_3v3>;
+
+ port {
+ panel_in: endpoint {
+ remote-endpoint = <&bridge_out>;
+ };
+ };
+ };
+
+ max98357a: audio-codec {
+ compatible = "maxim,max98357a";
+ sdmode-gpios = <&gpio4 19 GPIO_ACTIVE_HIGH>;
+ #sound-dai-cells = <0>;
+ status = "okay";
+ };
+
+ reg_5v: regulator-5v {
+ compatible = "regulator-fixed";
+ regulator-name = "fixed-5V";
+ regulator-min-microvolt = <5000000>;
+ regulator-max-microvolt = <5000000>;
+ };
+
+ reg_sn65dsi83_1v8: regulator-sn65dsi83-1v8 {
+ compatible = "regulator-fixed";
+ regulator-name = "SN65DSI83_1V8";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ };
+
+ sound-max98357a {
+ compatible = "simple-audio-card";
+ simple-audio-card,name = "max98357a-audio";
+
+ simple-audio-card,format = "i2s";
+ simple-audio-card,frame-master = <&cpudai>;
+ simple-audio-card,bitclock-master = <&cpudai>;
+ simple-audio-card,widgets =
+ "Speaker", "Speakers";
+ simple-audio-card,routing =
+ "Speakers", "Speaker";
+ status = "okay";
+
+ cpudai: simple-audio-card,cpu {
+ sound-dai = <&sai1>;
+ dai-tdm-slot-num = <2>;
+ dai-tdm-slot-width = <32>;
+ };
+
+ simple-audio-card,codec {
+ sound-dai = <&max98357a>;
+ clocks = <&clk IMX8MM_CLK_SAI1_ROOT>;
+ };
+ };
+};
+
+&sai1 {
+ #sound-dai-cells = <0>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_sai1>;
+ assigned-clocks = <&clk IMX8MM_CLK_SAI1>;
+ assigned-clock-parents = <&clk IMX8MM_AUDIO_PLL1_OUT>;
+ assigned-clock-rates = <24576000>;
+ fsl,sai-mclk-direction-output;
+ status = "okay";
+};
+
+&i2c1 {
+ bootph-all;
+ status = "okay";
+};
+
+&i2c2 {
+ bootph-all;
+ status = "okay";
+};
+
+&i2c4 {
+ clock-frequency = <400000>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_i2c4>;
+ status = "okay";
+
+ eeprom: eeprom@54 {
+ compatible = "atmel,24c08";
+ reg = <0x54>;
+ pagesize = <16>;
+ };
+
+ touchscreen: touchscreen@41 {
+ compatible = "ilitek,ili251x";
+ reg = <0x41>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_touch>;
+ interrupt-parent = <&gpio1>;
+ interrupts = <1 IRQ_TYPE_EDGE_FALLING>;
+ reset-gpios = <&gpio3 16 GPIO_ACTIVE_LOW>;
+ };
+
+ lvds: lvds@2c {
+ compatible = "ti,sn65dsi83";
+ reg = <0x2c>;
+ vcc-supply = <®_sn65dsi83_1v8>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_sn65dsi83>;
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ reg = <0>;
+ bridge_in: endpoint {
+ remote-endpoint = <&mipi_dsi_out>;
+ data-lanes = <1 2>;
+ };
+ };
+
+ port@2 {
+ reg = <2>;
+ bridge_out: endpoint {
+ remote-endpoint = <&panel_in>;
+ data-lanes = <4 3 2 1>;
+ };
+ };
+ };
+ };
+
+ usbc-cc-controller@61 {
+ compatible = "ti,tusb320";
+ reg = <0x61>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_usbc_controller>;
+ interrupts-extended = <&gpio1 6 IRQ_TYPE_LEVEL_LOW>;
+ };
+};
+
+&mipi_dsi {
+ status = "okay";
+ vddio-supply = <®_sn65dsi83_1v8>;
+ assigned-clocks = <&clk IMX8MM_CLK_DSI_CORE>,
+ <&clk IMX8MM_VIDEO_PLL1_OUT>,
+ <&clk IMX8MM_CLK_DSI_PHY_REF>;
+ assigned-clock-parents = <&clk IMX8MM_SYS_PLL1_266M>,
+ <&clk IMX8MM_VIDEO_PLL1_BYPASS>,
+ <&clk IMX8MM_CLK_24M>;
+ assigned-clock-rates = <266000000>, <594000000>, <12000000>;
+ samsung,pll-clock-frequency = <12000000>;
+ samsung,burst-clock-frequency = <891000000>;
+ samsung,esc-clock-frequency = <54000000>;
+};
+
+&mipi_dsi_out {
+ remote-endpoint = <&bridge_in>;
+};
+
+&lcdif {
+ status = "okay";
+};
+
+&gpu_2d {
+ status = "okay";
+};
+
+&gpu_3d {
+ status = "okay";
+};
+
+&ecspi1 {
+ status = "disabled";
+};
+
+&gpio1 {
+ bootph-pre-ram;
+};
+
+&gpio2 {
+ bootph-pre-ram;
+};
+
+&gpio3 {
+ bootph-pre-ram;
+};
+
+&gpio4 {
+ bootph-pre-ram;
+};
+
+&gpio5 {
+ bootph-pre-ram;
+ status_led_controller_oe: status-led-controller-hog {
+ gpio-hog;
+ gpios = <4 GPIO_ACTIVE_HIGH>;
+ output-low;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_hog_status_led_controller>;
+ };
+};
+
+&pca9450 {
+ bootph-pre-ram;
+ regulators {
+ bootph-pre-ram;
+ };
+};
+
+&iomuxc {
+ pinctrl-0 = <&pinctrl_hog>;
+ pinctrl-names = "default";
+
+ pinctrl_hog: hoggrp {
+ fsl,pins = <
+ MX8MM_IOMUXC_GPIO1_IO03_GPIO1_IO3 0x19 /*
\SOM_RTC_INT */
+ MX8MM_IOMUXC_GPIO1_IO09_GPIO1_IO9 0x184
/* SOM_DIS_ID0 */
+ MX8MM_IOMUXC_GPIO1_IO10_GPIO1_IO10 0x184
/* SOM_DIS_ID1 */
+ MX8MM_IOMUXC_GPIO1_IO11_GPIO1_IO11 0x184
/* SOM_DIS_ID2 */
+ MX8MM_IOMUXC_SAI2_TXC_GPIO4_IO25 0x19 /*
SOM_PCB_ID0 */
+ MX8MM_IOMUXC_SAI2_TXD0_GPIO4_IO26 0x19 /*
SOM_PCB_ID1 */
+ MX8MM_IOMUXC_SAI2_MCLK_GPIO4_IO27 0x19 /*
SOM_PCBA_ID0 */
+ MX8MM_IOMUXC_SAI3_RXFS_GPIO4_IO28 0x19 /*
SOM_PCBA_ID1 */
+ MX8MM_IOMUXC_SAI5_RXFS_GPIO3_IO19 0x19 /*
\SOM_STATLED_RES */
+ MX8MM_IOMUXC_SAI5_RXC_GPIO3_IO20 0x19 /*
\SOM_HUB_RES */
+ MX8MM_IOMUXC_SAI5_RXD0_GPIO3_IO21 0x19 /*
\SOM_SUPPLY_EN */
+ MX8MM_IOMUXC_SAI5_RXD1_GPIO3_IO22 0x1c4
/* \SOM_COM_RES */
+ MX8MM_IOMUXC_SAI5_RXD2_GPIO3_IO23 0x184
/* SOM_DBG_GPIO0 */
+ MX8MM_IOMUXC_SAI5_RXD3_GPIO3_IO24 0x184
/* SOM_DBG_GPIO1 */
+ MX8MM_IOMUXC_SAI5_MCLK_GPIO3_IO25 0x184
/* SOM_DBG_GPIO2 */
+ MX8MM_IOMUXC_SAI3_TXD_GPIO5_IO1 0x184
/* SOM_DBG_GPIO3 */
+ MX8MM_IOMUXC_SAI1_TXD7_GPIO4_IO19 0x184
/* SOM_AUDIO_SD */
+ >;
+ };
+
+ pinctrl_i2c4: i2c4grp {
+ fsl,pins = <
+ MX8MM_IOMUXC_I2C4_SCL_I2C4_SCL
0x400001c3
+ MX8MM_IOMUXC_I2C4_SDA_I2C4_SDA
0x400001c3
+ >;
+ };
+
+ pinctrl_pwm1: pwm1grp {
+ fsl,pins = <
+ MX8MM_IOMUXC_SPDIF_EXT_CLK_PWM1_OUT 0x6
+ >;
+ };
+
+ pinctrl_pwm2: pwm2grp {
+ fsl,pins = <
+ MX8MM_IOMUXC_SPDIF_RX_PWM2_OUT 0x6
+ >;
+ };
+
+ pinctrl_pwm3: pwm3grp {
+ fsl,pins = <
+ MX8MM_IOMUXC_SPDIF_TX_PWM3_OUT 0x6
+ >;
+ };
+
+ pinctrl_sai1: sai1grp {
+ fsl,pins = <
+ MX8MM_IOMUXC_SAI1_TXFS_SAI1_TX_SYNC 0xd6
+ MX8MM_IOMUXC_SAI1_TXC_SAI1_TX_BCLK 0xd6
+ MX8MM_IOMUXC_SAI1_TXD0_SAI1_TX_DATA0 0xd6
+ >;
+ };
+
+ pinctrl_sn65dsi83: sn65dsi83grp {
+ fsl,pins = <
+ MX8MM_IOMUXC_GPIO1_IO05_GPIO1_IO5 0x19 /*
\SOM_DSI_INT */
+ >;
+ };
+
+ pinctrl_hog_status_led_controller: statusledcontrollergrp {
+ fsl,pins = <
+ MX8MM_IOMUXC_SPDIF_RX_GPIO5_IO4 0x19
+ >;
+ };
+
+ pinctrl_touch: touchgrp {
+ fsl,pins = <
+ MX8MM_IOMUXC_GPIO1_IO01_GPIO1_IO1 0x19 /*
\SOM_TOUCH_RES */
+ MX8MM_IOMUXC_NAND_READY_B_GPIO3_IO16 0x19 /*
\SOM_TOUCH_INT */
+ >;
+ };
+
+ pinctrl_uart1: uart1grp {
+ bootph-pre-ram;
+ fsl,pins = <
+ MX8MM_IOMUXC_SAI2_RXC_UART1_DCE_RX 0x140
+ MX8MM_IOMUXC_SAI2_RXFS_UART1_DCE_TX 0x140
+ MX8MM_IOMUXC_SAI2_RXD0_UART1_DCE_RTS_B 0x140
+ MX8MM_IOMUXC_SAI2_TXFS_UART1_DCE_CTS_B 0x140
+ >;
+ };
+
+ pinctrl_usbc_controller: usbccontrollergrp {
+ fsl,pins = <
+ MX8MM_IOMUXC_GPIO1_IO06_GPIO1_IO6 0x19 /*
\SOM_USBC_INT */
+ >;
+ };
+
+ pinctrl_usdhc2: usdhc2grp {
+ bootph-pre-ram;
+ fsl,pins = <
+ MX8MM_IOMUXC_SD2_CLK_USDHC2_CLK 0x190
+ MX8MM_IOMUXC_SD2_CMD_USDHC2_CMD 0x1d0
+ MX8MM_IOMUXC_SD2_DATA0_USDHC2_DATA0 0x1d0
+ MX8MM_IOMUXC_SD2_DATA1_USDHC2_DATA1 0x1d0
+ MX8MM_IOMUXC_SD2_DATA2_USDHC2_DATA2 0x1d0
+ MX8MM_IOMUXC_SD2_DATA3_USDHC2_DATA3 0x1d0
+ MX8MM_IOMUXC_SD2_CD_B_GPIO2_IO12 0x41
+ >;
+ };
+
+ pinctrl_usdhc2_100mhz: usdhc2-100mhzgrp {
+ bootph-pre-ram;
+ fsl,pins = <
+ MX8MM_IOMUXC_SD2_CLK_USDHC2_CLK 0x194
+ MX8MM_IOMUXC_SD2_CMD_USDHC2_CMD 0x1d4
+ MX8MM_IOMUXC_SD2_DATA0_USDHC2_DATA0 0x1d4
+ MX8MM_IOMUXC_SD2_DATA1_USDHC2_DATA1 0x1d4
+ MX8MM_IOMUXC_SD2_DATA2_USDHC2_DATA2 0x1d4
+ MX8MM_IOMUXC_SD2_DATA3_USDHC2_DATA3 0x1d4
+ MX8MM_IOMUXC_SD2_CD_B_GPIO2_IO12 0x41
+ >;
+ };
+
+ pinctrl_usdhc2_200mhz: usdhc2-200mhzgrp {
+ bootph-pre-ram;
+ fsl,pins = <
+ MX8MM_IOMUXC_SD2_CLK_USDHC2_CLK 0x196
+ MX8MM_IOMUXC_SD2_CMD_USDHC2_CMD 0x1d6
+ MX8MM_IOMUXC_SD2_DATA0_USDHC2_DATA0 0x1d6
+ MX8MM_IOMUXC_SD2_DATA1_USDHC2_DATA1 0x1d6
+ MX8MM_IOMUXC_SD2_DATA2_USDHC2_DATA2 0x1d6
+ MX8MM_IOMUXC_SD2_DATA3_USDHC2_DATA3 0x1d6
+ MX8MM_IOMUXC_SD2_CD_B_GPIO2_IO12 0x41
+ >;
+ };
+};
+
+&pinctrl_ecspi1 {
+ bootph-pre-ram;
+};
+
+&pinctrl_i2c1 {
+ bootph-pre-ram;
+};
+
+&pinctrl_pmic {
+ bootph-pre-ram;
+};
+
+&pinctrl_uart3 {
+ bootph-all;
+};
+
+&pinctrl_usdhc1 {
+ bootph-pre-ram;
+};
+
+&pinctrl_usdhc1_100mhz {
+ bootph-pre-ram;
+};
+
+&pinctrl_usdhc1_200mhz {
+ bootph-pre-ram;
+};
+
+&pinctrl_wdog {
+ bootph-pre-ram;
+};
+
+&pwm1 {
+ pinctrl-0 = <&pinctrl_pwm1>;
+ pinctrl-names = "default";
+ status = "okay";
+};
+
+&pwm2 {
+ pinctrl-0 = <&pinctrl_pwm2>;
+ pinctrl-names = "default";
+ status = "okay";
+};
+
+®_nvcc_sd {
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-min-microvolt = <3300000>;
+};
+
+&uart1 {
+ bootph-all;
+ pinctrl-0 = <&pinctrl_uart1>;
+ pinctrl-names = "default";
+ uart-has-rtscts;
+ status = "okay";
+};
+
+&uart3 {
+ bootph-all;
+};
+
+&usbotg1 {
+ bootph-pre-ram;
+ dr_mode = "peripheral";
+ status = "okay";
+};
+
+&usbotg2 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ disable-over-current;
+ dr_mode = "host";
+ status = "okay";
+
+ usb@1 {
+ reg = <1>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ usbnet: ethernet@1 {
+ compatible = "usb424,9500";
+ reg = <1>;
+ mac-address = [ 00 00 00 00 00 00 ];
+ };
+ };
+};
+
+&usdhc1 {
+ bootph-pre-ram;
+};
+
+&usdhc2 {
+ bootph-pre-ram;
+ bus-width = <4>;
+ cd-gpios = <&gpio2 12 GPIO_ACTIVE_LOW>;
+ no-1-8-v;
+ pinctrl-0 = <&pinctrl_usdhc2>;
+ pinctrl-1 = <&pinctrl_usdhc2_100mhz>;
+ pinctrl-2 = <&pinctrl_usdhc2_200mhz>;
+ pinctrl-names = "default", "state_100mhz", "state_200mhz";
+ vmmc-supply = <®_vdd_3v3>;
+ status = "okay";
+};
+
+&wdog1 {
+ bootph-pre-ram;
+};
--
2.47.2
