ARM: dts: imx6dl: Add support for Sielaff i.MX6 Solo board
authorFrieder Schrempf <frieder.schrempf@kontron.de>
Tue, 16 Jan 2024 18:10:28 +0000 (19:10 +0100)
committerShawn Guo <shawnguo@kernel.org>
Mon, 5 Feb 2024 09:37:23 +0000 (17:37 +0800)
The Sielaff i.MX6 Solo board is used as controller and user interface
in vending machines. It is based on the i.MX6 Solo SoC and features
the following peripherals and interfaces:

* 512 MB DDR3 RAM
* 512 MB NAND Flash
* 1 MB NOR Flash
* SD card
* Debug LED
* Debug UART
* Key Inputs
* RTC
* RS232
* 100 MBit Ethernet
* USB Hub
* USB OTG
* HDMI
* 7" LVDS IPS panel
* PWM Backlight
* Optional Extension Board with USB Ethernet NIC

Signed-off-by: Frieder Schrempf <frieder.schrempf@kontron.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
arch/arm/boot/dts/nxp/imx/Makefile
arch/arm/boot/dts/nxp/imx/imx6dl-sielaff.dts [new file with mode: 0644]

index a724d1a7a9a0783bfe80722c773547b316b3db0b..c32e004e7610caba15398ed0a703f8673bd83e89 100644 (file)
@@ -118,6 +118,7 @@ dtb-$(CONFIG_SOC_IMX6Q) += \
        imx6dl-sabrelite.dtb \
        imx6dl-sabresd.dtb \
        imx6dl-savageboard.dtb \
+       imx6dl-sielaff.dtb \
        imx6dl-skov-revc-lt2.dtb \
        imx6dl-skov-revc-lt6.dtb \
        imx6dl-solidsense.dtb \
diff --git a/arch/arm/boot/dts/nxp/imx/imx6dl-sielaff.dts b/arch/arm/boot/dts/nxp/imx/imx6dl-sielaff.dts
new file mode 100644 (file)
index 0000000..7de8d5f
--- /dev/null
@@ -0,0 +1,533 @@
+// SPDX-License-Identifier: GPL-2.0+ OR MIT
+/*
+ * Copyright (C) 2022 Kontron Electronics GmbH
+ */
+
+/dts-v1/;
+
+#include "imx6dl.dtsi"
+#include <dt-bindings/clock/imx6qdl-clock.h>
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
+
+/ {
+       model = "Sielaff i.MX6 Solo";
+       compatible = "sielaff,imx6dl-board", "fsl,imx6dl";
+
+       chosen {
+               stdout-path = &uart2;
+       };
+
+       backlight: pwm-backlight {
+               compatible = "pwm-backlight";
+               pinctrl-names = "default";
+               pinctrl-0 = <&pinctrl_backlight>;
+               pwms = <&pwm3 0 50000 0>;
+               brightness-levels = <0 0 64 88 112 136 184 232 255>;
+               default-brightness-level = <4>;
+               enable-gpios = <&gpio6 16 GPIO_ACTIVE_HIGH>;
+               power-supply = <&reg_backlight>;
+       };
+
+       cec {
+               compatible = "cec-gpio";
+               pinctrl-names = "default";
+               pinctrl-0 = <&pinctrl_hdmi_cec>;
+               cec-gpios = <&gpio2 7 GPIO_ACTIVE_HIGH>;
+               hdmi-phandle = <&hdmi>;
+       };
+
+       enet_ref: clock-enet-ref {
+               compatible = "fixed-clock";
+               #clock-cells = <0>;
+               clock-frequency = <50000000>;
+               clock-output-names = "enet-ref";
+       };
+
+       gpio-keys {
+               compatible = "gpio-keys";
+               pinctrl-names = "default";
+               pinctrl-0 = <&pinctrl_gpio_keys>;
+
+               key-0 {
+                       gpios = <&gpio2 16 0>;
+                       debounce-interval = <10>;
+                       linux,code = <1>;
+               };
+
+               key-1 {
+                       gpios = <&gpio3 27 0>;
+                       debounce-interval = <10>;
+                       linux,code = <2>;
+               };
+
+               key-2 {
+                       gpios = <&gpio5 4 0>;
+                       debounce-interval = <10>;
+                       linux,code = <3>;
+               };
+       };
+
+       leds {
+               compatible = "gpio-leds";
+               pinctrl-names = "default";
+               pinctrl-0 = <&pinctrl_gpio_leds>;
+
+               led-debug {
+                       label = "debug-led";
+                       gpios = <&gpio5 21 GPIO_ACTIVE_HIGH>;
+                       default-state = "off";
+                       linux,default-trigger = "heartbeat";
+               };
+       };
+
+       memory@80000000 {
+               reg = <0x80000000 0x20000000>;
+               device_type = "memory";
+       };
+
+       osc_eth_phy: clock-osc-eth-phy {
+               compatible = "fixed-clock";
+               #clock-cells = <0>;
+               clock-frequency = <25000000>;
+               clock-output-names = "osc-eth-phy";
+       };
+
+       panel {
+               compatible = "lg,lb070wv8";
+               backlight = <&backlight>;
+               power-supply = <&reg_3v3>;
+
+               port {
+                       panel_in_lvds: endpoint {
+                               remote-endpoint = <&lvds_out>;
+                       };
+               };
+       };
+
+       reg_3v3: regulator-3v3 {
+               compatible = "regulator-fixed";
+               regulator-name = "3v3";
+               regulator-min-microvolt = <3300000>;
+               regulator-max-microvolt = <3300000>;
+       };
+
+       reg_backlight: regulator-backlight {
+               compatible = "regulator-fixed";
+               pinctrl-names = "default";
+               pinctrl-0 = <&pinctrl_reg_backlight>;
+               enable-active-high;
+               gpio = <&gpio1 23 GPIO_ACTIVE_HIGH>;
+               regulator-name = "backlight";
+               regulator-min-microvolt = <12000000>;
+               regulator-max-microvolt = <12000000>;
+       };
+
+       reg_usb_otg_vbus: regulator-usb-otg-vbus {
+               compatible = "regulator-fixed";
+               pinctrl-names = "default";
+               pinctrl-0 = <&pinctrl_reg_usbotg_vbus>;
+               enable-active-high;
+               gpio = <&gpio4 15 GPIO_ACTIVE_HIGH>;
+               regulator-name = "usb_otg_vbus";
+               regulator-min-microvolt = <5000000>;
+               regulator-max-microvolt = <5000000>;
+       };
+};
+
+&ecspi2 {
+       pinctrl-names = "default";
+       pinctrl-0 = <&pinctrl_ecspi2>;
+       cs-gpios = <&gpio5 29 GPIO_ACTIVE_LOW>;
+       status = "okay";
+
+       flash@0 {
+               compatible = "jedec,spi-nor";
+               reg = <0>;
+               spi-max-frequency = <20000000>;
+       };
+};
+
+&fec {
+       /*
+        * Set PTP clock to external instead of internal reference, as the
+        * REF_CLK from the PHY is fed back into the i.MX6 and the GPR
+        * register needs to be set accordingly (see mach-imx6q.c).
+        */
+       clocks = <&clks IMX6QDL_CLK_ENET>,
+                <&clks IMX6QDL_CLK_ENET>,
+                <&enet_ref>,
+                <&clks IMX6QDL_CLK_ENET_REF>;
+       clock-names = "ipg", "ahb", "ptp", "enet_out";
+       pinctrl-names = "default";
+       pinctrl-0 = <&pinctrl_enet>;
+       phy-connection-type = "rmii";
+       phy-handle = <&ethphy>;
+       status = "okay";
+
+       mdio {
+               #address-cells = <1>;
+               #size-cells = <0>;
+
+               ethphy: ethernet-phy@1 {
+                       reg = <1>;
+                       clocks = <&osc_eth_phy>;
+                       clock-names = "rmii-ref";
+                       micrel,led-mode = <1>;
+                       reset-assert-us = <500>;
+                       reset-deassert-us = <100>;
+                       reset-gpios = <&gpio5 2 GPIO_ACTIVE_LOW>;
+               };
+       };
+};
+
+&gpio1 {
+       gpio-line-names =
+               "", "", "", "", "", "", "", "",
+               "", "", "", "", "", "", "key-out", "key-in",
+               "", "", "", "", "", "", "", "",
+               "", "", "", "", "", "", "", "";
+};
+
+&gpio2 {
+       gpio-line-names =
+               "", "", "", "", "", "", "", "",
+               "lan9500a-rst", "", "", "", "", "", "", "",
+               "", "", "", "", "", "", "", "",
+               "", "", "", "", "", "", "", "";
+};
+
+&gpmi {
+       pinctrl-names = "default";
+       pinctrl-0 = <&pinctrl_gpmi_nand>;
+       status = "okay";
+};
+
+&hdmi {
+       ddc-i2c-bus = <&i2c4>;
+       status = "okay";
+};
+
+&i2c2 {
+       pinctrl-names = "default";
+       pinctrl-0 = <&pinctrl_i2c2>;
+       clock-frequency = <100000>;
+       status = "okay";
+
+       rtc@51 {
+               compatible = "nxp,pcf8563";
+               reg = <0x51>;
+       };
+};
+
+&i2c3 {
+       pinctrl-names = "default";
+       pinctrl-0 = <&pinctrl_i2c3>;
+       clock-frequency = <100000>;
+       status = "okay";
+
+       touchscreen@55 {
+               compatible = "sitronix,st1633";
+               reg = <0x55>;
+               pinctrl-names = "default";
+               pinctrl-0 = <&pinctrl_touch>;
+               interrupts = <18 IRQ_TYPE_EDGE_FALLING>;
+               interrupt-parent = <&gpio5>;
+               gpios = <&gpio1 2 GPIO_ACTIVE_LOW>;
+               status = "disabled";
+       };
+
+       touchscreen@5d {
+               compatible = "goodix,gt928";
+               reg = <0x5d>;
+               pinctrl-names = "default";
+               pinctrl-0 = <&pinctrl_touch>;
+               interrupts = <18 IRQ_TYPE_LEVEL_LOW>;
+               interrupt-parent = <&gpio5>;
+               irq-gpios = <&gpio5 18 GPIO_ACTIVE_HIGH>;
+               reset-gpios = <&gpio1 2 GPIO_ACTIVE_HIGH>;
+               status = "disabled";
+       };
+};
+
+&i2c4 {
+       pinctrl-names = "default";
+       pinctrl-0 = <&pinctrl_i2c4>;
+       clock-frequency = <100000>;
+       status = "okay";
+};
+
+&ldb {
+       status = "okay";
+
+       lvds: lvds-channel@0 {
+               fsl,data-mapping = "spwg";
+               fsl,data-width = <24>;
+               status = "okay";
+
+               port@4 {
+                       reg = <4>;
+
+                       lvds_out: endpoint {
+                               remote-endpoint = <&panel_in_lvds>;
+                       };
+               };
+       };
+};
+
+&pwm3 {
+       pinctrl-names = "default";
+       pinctrl-0 = <&pinctrl_pwm3>;
+       status = "okay";
+};
+
+&uart1 {
+       pinctrl-names = "default";
+       pinctrl-0 = <&pinctrl_uart1>;
+       status = "okay";
+};
+
+&uart2 {
+       pinctrl-names = "default";
+       pinctrl-0 = <&pinctrl_uart2>;
+       status = "okay";
+};
+
+&uart3 {
+       pinctrl-names = "default";
+       pinctrl-0 = <&pinctrl_uart3>;
+       status = "okay";
+};
+
+&usbh1 {
+       pinctrl-names = "default";
+       pinctrl-0 = <&pinctrl_usbh1>;
+       disable-over-current;
+       status = "okay";
+
+       #address-cells = <1>;
+       #size-cells = <0>;
+
+       usb1@1 {
+               compatible = "usb4b4,6570";
+               reg = <1>;
+               clocks = <&clks IMX6QDL_CLK_CKO>;
+
+               assigned-clocks = <&clks IMX6QDL_CLK_CKO>,
+                                 <&clks IMX6QDL_CLK_CKO2_SEL>;
+               assigned-clock-parents = <&clks IMX6QDL_CLK_CKO2>,
+                                        <&clks IMX6QDL_CLK_OSC>;
+               assigned-clock-rates = <12000000 0>;
+       };
+};
+
+&usbotg {
+       pinctrl-names = "default";
+       pinctrl-0 = <&pinctrl_usbotg>;
+       dr_mode = "host";
+       over-current-active-low;
+       vbus-supply = <&reg_usb_otg_vbus>;
+       status = "okay";
+};
+
+&usdhc3 {
+       pinctrl-names = "default";
+       pinctrl-0 = <&pinctrl_usdhc3>;
+       cd-gpios = <&gpio1 4 GPIO_ACTIVE_LOW>;
+       vmmc-supply = <&reg_3v3>;
+       voltage-ranges = <3300 3300>;
+       no-1-8-v;
+       status = "okay";
+};
+
+&wdog1 {
+       pinctrl-names = "default";
+       pinctrl-0 = <&pinctrl_wdog>;
+       fsl,ext-reset-output;
+       status = "okay";
+};
+
+&iomuxc {
+       pinctrl-names = "default";
+       pinctrl-0 = <&pinctrl_hog>;
+
+       pinctrl_hog: hoggrp {
+               fsl,pins = <
+                       MX6QDL_PAD_RGMII_RD0__GPIO6_IO25        0x1b0b0 /* PMIC_IRQ */
+                       MX6QDL_PAD_SD2_DAT3__GPIO1_IO12         0x1b0b0
+                       MX6QDL_PAD_SD2_DAT1__GPIO1_IO14         0x1b0b0
+                       MX6QDL_PAD_SD2_DAT0__GPIO1_IO15         0x1b0b0
+                       MX6QDL_PAD_SD4_DAT0__GPIO2_IO08         0x1b0b0
+                       MX6QDL_PAD_EIM_D29__GPIO3_IO29          0x1b0b0
+               >;
+       };
+
+       pinctrl_backlight: backlightgrp {
+               fsl,pins = <
+                       MX6QDL_PAD_NANDF_CS3__GPIO6_IO16        0x100b1
+               >;
+       };
+
+       pinctrl_ecspi2: ecspi2grp {
+               fsl,pins = <
+                       MX6QDL_PAD_CSI0_DAT10__ECSPI2_MISO      0x100b1
+                       MX6QDL_PAD_CSI0_DAT9__ECSPI2_MOSI       0x100b1
+                       MX6QDL_PAD_CSI0_DAT8__ECSPI2_SCLK       0x100b1
+                       MX6QDL_PAD_CSI0_DAT11__GPIO5_IO29       0x100b1
+               >;
+       };
+
+       pinctrl_enet: enetgrp {
+               fsl,pins = <
+                       MX6QDL_PAD_ENET_MDIO__ENET_MDIO         0x1b0b0
+                       MX6QDL_PAD_ENET_MDC__ENET_MDC           0x1b0b0
+                       MX6QDL_PAD_ENET_RXD0__ENET_RX_DATA0     0x1b0b0
+                       MX6QDL_PAD_ENET_RXD1__ENET_RX_DATA1     0x1b0b0
+                       MX6QDL_PAD_ENET_CRS_DV__ENET_RX_EN      0x1b0b0
+                       MX6QDL_PAD_ENET_RX_ER__ENET_RX_ER       0x1b0b0
+                       MX6QDL_PAD_ENET_TXD0__ENET_TX_DATA0     0x1b0b0
+                       MX6QDL_PAD_ENET_TXD1__ENET_TX_DATA1     0x1b0b0
+                       MX6QDL_PAD_ENET_TX_EN__ENET_TX_EN       0x1b0b0
+                       MX6QDL_PAD_GPIO_16__ENET_REF_CLK        0x4001b0a8
+                       MX6QDL_PAD_EIM_A25__GPIO5_IO02          0x100b1
+               >;
+       };
+
+       pinctrl_gpio_keys: gpiokeysgrp {
+               fsl,pins = <
+                       MX6QDL_PAD_EIM_A22__GPIO2_IO16          0x1b080
+                       MX6QDL_PAD_EIM_D27__GPIO3_IO27          0x1b080
+                       MX6QDL_PAD_EIM_A24__GPIO5_IO04          0x1b080
+               >;
+       };
+
+       pinctrl_gpio_leds: gpioledsgrp {
+               fsl,pins = <
+                       MX6QDL_PAD_CSI0_VSYNC__GPIO5_IO21       0x1b0b0
+               >;
+       };
+
+       pinctrl_gpmi_nand: gpminandgrp {
+               fsl,pins = <
+                       MX6QDL_PAD_NANDF_CLE__NAND_CLE          0xb0b1
+                       MX6QDL_PAD_NANDF_ALE__NAND_ALE          0xb0b1
+                       MX6QDL_PAD_NANDF_WP_B__NAND_WP_B        0xb0b1
+                       MX6QDL_PAD_NANDF_RB0__NAND_READY_B      0xb000
+                       MX6QDL_PAD_NANDF_CS0__NAND_CE0_B        0xb0b1
+                       MX6QDL_PAD_SD4_CMD__NAND_RE_B           0xb0b1
+                       MX6QDL_PAD_SD4_CLK__NAND_WE_B           0xb0b1
+                       MX6QDL_PAD_NANDF_D0__NAND_DATA00        0xb0b1
+                       MX6QDL_PAD_NANDF_D1__NAND_DATA01        0xb0b1
+                       MX6QDL_PAD_NANDF_D2__NAND_DATA02        0xb0b1
+                       MX6QDL_PAD_NANDF_D3__NAND_DATA03        0xb0b1
+                       MX6QDL_PAD_NANDF_D4__NAND_DATA04        0xb0b1
+                       MX6QDL_PAD_NANDF_D5__NAND_DATA05        0xb0b1
+                       MX6QDL_PAD_NANDF_D6__NAND_DATA06        0xb0b1
+                       MX6QDL_PAD_NANDF_D7__NAND_DATA07        0xb0b1
+               >;
+       };
+
+       pinctrl_hdmi_cec: hdmicecgrp {
+               fsl,pins = <
+                       MX6QDL_PAD_EIM_A21__GPIO2_IO17          0x1b8b1
+               >;
+       };
+
+       pinctrl_i2c2: i2c2grp {
+               fsl,pins = <
+                       MX6QDL_PAD_KEY_COL3__I2C2_SCL           0x4001b8b1
+                       MX6QDL_PAD_KEY_ROW3__I2C2_SDA           0x4001b8b1
+               >;
+       };
+
+       pinctrl_i2c3: i2c3grp {
+               fsl,pins = <
+                       MX6QDL_PAD_GPIO_5__I2C3_SCL             0x4001f8b1
+                       MX6QDL_PAD_GPIO_6__I2C3_SDA             0x4001f8b1
+               >;
+       };
+
+       pinctrl_i2c4: i2c4grp {
+               fsl,pins = <
+                       MX6QDL_PAD_GPIO_7__I2C4_SCL             0x4001b8b1
+                       MX6QDL_PAD_GPIO_8__I2C4_SDA             0x4001b8b1
+               >;
+       };
+
+       pinctrl_pwm3: pwm3grp {
+               fsl,pins = <
+                       MX6QDL_PAD_SD4_DAT1__PWM3_OUT           0x1b0b1
+               >;
+       };
+
+       pinctrl_reg_backlight: regbacklightgrp {
+               fsl,pins = <
+                       MX6QDL_PAD_ENET_REF_CLK__GPIO1_IO23     0x1b0b1
+               >;
+       };
+
+       pinctrl_reg_usbotg_vbus: regusbotgvbusgrp {
+               fsl,pins = <
+                       MX6QDL_PAD_KEY_ROW4__GPIO4_IO15         0x1b0b1
+               >;
+       };
+
+       pinctrl_touch: touchgrp {
+               fsl,pins = <
+                       MX6QDL_PAD_GPIO_2__GPIO1_IO02           0x1b0b0
+                       MX6QDL_PAD_CSI0_PIXCLK__GPIO5_IO18      0x1b0b0
+               >;
+       };
+
+       pinctrl_uart1: uart1grp {
+               fsl,pins = <
+                       MX6QDL_PAD_SD3_DAT7__UART1_TX_DATA      0x1b0b1
+                       MX6QDL_PAD_SD3_DAT6__UART1_RX_DATA      0x1b0b1
+               >;
+       };
+
+       pinctrl_uart2: uart2grp {
+               fsl,pins = <
+                       MX6QDL_PAD_SD4_DAT7__UART2_TX_DATA      0x1b0b1
+                       MX6QDL_PAD_SD4_DAT4__UART2_RX_DATA      0x1b0b1
+               >;
+       };
+
+       pinctrl_uart3: uart3grp {
+               fsl,pins = <
+                       MX6QDL_PAD_EIM_D24__UART3_TX_DATA       0x1b0b0
+                       MX6QDL_PAD_EIM_D25__UART3_RX_DATA       0x1b0b0
+               >;
+       };
+
+       pinctrl_usbh1: usbh1grp {
+               fsl,pins = <
+                       MX6QDL_PAD_GPIO_3__USB_H1_OC            0x1b0b1
+                       MX6QDL_PAD_CSI0_MCLK__CCM_CLKO1         0x1b0b0
+               >;
+       };
+
+       pinctrl_usbotg: usbotggrp {
+               fsl,pins = <
+                       MX6QDL_PAD_KEY_COL4__USB_OTG_OC         0x1b0b1
+               >;
+       };
+
+       pinctrl_usdhc3: usdhc3grp {
+               fsl,pins = <
+                       MX6QDL_PAD_SD3_CMD__SD3_CMD             0x17059
+                       MX6QDL_PAD_SD3_CLK__SD3_CLK             0x10059
+                       MX6QDL_PAD_SD3_DAT0__SD3_DATA0          0x17059
+                       MX6QDL_PAD_SD3_DAT1__SD3_DATA1          0x17059
+                       MX6QDL_PAD_SD3_DAT2__SD3_DATA2          0x17059
+                       MX6QDL_PAD_SD3_DAT3__SD3_DATA3          0x17059
+                       MX6QDL_PAD_GPIO_4__GPIO1_IO04           0x100b1
+               >;
+       };
+
+       pinctrl_wdog: wdoggrp {
+               fsl,pins = <
+                       MX6QDL_PAD_GPIO_9__WDOG1_B              0x1b0b0
+               >;
+       };
+};