Subject: [PATCH] ARM: dts: imx6ul: Add DTS for ConnectCore 6UL SBC Pro

From: [email-masked] (Shawn Guo)
Date: Mon, 27 Aug 2018 15:54:29 +0800

On Wed, Aug 22, 2018 at 01:18:39PM +0200, Alex Gonzalez wrote:
> The ConnectCore 6UL Single Board Computer (SBC) Pro contains the
> ConnectCore 6UL System-On-Module.
> 
> Its hardware specifications are:
> 
> * 256MB DDR3 memory
> * On module 256MB NAND flash
> * Dual 10/100 Ethernet
> * USB Host and USB OTG
> * Parallel RGB display header
> * LVDS display header
> * CSI camera
> * GPIO header
> * I2C, SPI, CAN headers
> * PCIe mini card and micro SIM slot
> * MicroSD external storage
> * On board 4GB eMMC flash
> * Audio headphone, line in/out, microphone lines
> 
> Signed-off-by: Alex Gonzalez <[email-masked]>
> ---
>  arch/arm/boot/dts/Makefile                  |   1 +
>  arch/arm/boot/dts/imx6ul-ccimx6ulsbcpro.dts | 466 ++++++++++++++++++++++++++++
>  2 files changed, 467 insertions(+)
>  create mode 100644 arch/arm/boot/dts/imx6ul-ccimx6ulsbcpro.dts
> 
> diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
> index 6135d3dc381c..3f6f8983f6c6 100644
> --- a/arch/arm/boot/dts/Makefile
> +++ b/arch/arm/boot/dts/Makefile
> @@ -534,6 +534,7 @@ dtb-$(CONFIG_SOC_IMX6SX) += \
>  dtb-$(CONFIG_SOC_IMX6UL) += \
>  	imx6ul-14x14-evk.dtb \
>  	imx6ul-ccimx6ulsbcexpress.dtb \
> +	imx6ul-ccimx6ulsbcpro.dtb \
>  	imx6ul-geam.dtb \
>  	imx6ul-isiot-emmc.dtb \
>  	imx6ul-isiot-nand.dtb \
> diff --git a/arch/arm/boot/dts/imx6ul-ccimx6ulsbcpro.dts b/arch/arm/boot/dts/imx6ul-ccimx6ulsbcpro.dts
> new file mode 100644
> index 000000000000..4570347845fc
> --- /dev/null
> +++ b/arch/arm/boot/dts/imx6ul-ccimx6ulsbcpro.dts
> @@ -0,0 +1,466 @@
> +// SPDX-License-Identifier: GPL-2.0
> +/*
> + * Digi International's ConnectCore6UL SBC Pro board device tree source
> + *
> + * Copyright 2018 Digi International, Inc.
> + *
> + */
> +
> +/dts-v1/;
> +#include <dt-bindings/input/input.h>
> +#include <dt-bindings/interrupt-controller/irq.h>
> +#include "imx6ul.dtsi"
> +#include "imx6ul-ccimx6ulsom.dtsi"
> +
> +/ {
> +	model = "Digi International ConnectCore 6UL SBC Pro.";
> +	compatible = "digi,ccimx6ulsbcpro", "digi,ccimx6ulsom", "fsl,imx6ul";
> +
> +	lcd_backlight: backlight {
> +		compatible = "pwm-backlight";
> +		pwms = <&pwm5 0 50000>;
> +		brightness-levels = <0 4 8 16 32 64 128 255>;
> +		default-brightness-level = <6>;
> +		status = "okay";
> +	};
> +
> +	reg_usb_otg1_vbus: reg_usb_otg1 at 0 {

Hyphen is recommended in node name.  Also the unit-address makes no
sense here.

> +		compatible = "regulator-fixed";
> +		regulator-name = "usb_otg1_vbus";
> +		regulator-min-microvolt = <5000000>;
> +		regulator-max-microvolt = <5000000>;
> +		gpio = <&gpio1 4 GPIO_ACTIVE_HIGH>;
> +		enable-active-high;
> +	};
> +};
> +
> +&adc1 {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_adc1>;
> +	status = "okay";
> +};
> +
> +&can1 {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_flexcan1>;
> +	xceiver-supply = <&ext_3v3>;
> +	status = "okay";
> +};
> +
> +/* CAN2 is multiplexed with UART2 RTS/CTS */
> +&can2 {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_flexcan2>;
> +	xceiver-supply = <&ext_3v3>;
> +	status = "disabled";
> +};
> +
> +&ecspi1 {
> +	cs-gpios = <&gpio3 26 GPIO_ACTIVE_LOW>;
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_ecspi1_master>;
> +	status = "okay";
> +};
> +
> +&fec1 {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_enet1>;
> +	phy-mode = "rmii";
> +	phy-handle = <&ethphy0>;
> +	status = "okay";
> +};
> +
> +&fec2 {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_enet2 &pinctrl_enet2_mdio>;
> +	phy-mode = "rmii";
> +	phy-handle = <&ethphy1>;
> +	phy-reset-gpios = <&gpio5 6 GPIO_ACTIVE_LOW>;
> +	phy-reset-duration = <26>;
> +	status = "okay";
> +
> +	mdio {
> +		#address-cells = <1>;
> +		#size-cells = <0>;
> +
> +		ethphy0: ethernet-phy at 0 {
> +			compatible = "ethernet-phy-ieee802.3-c22";
> +			smsc,disable-energy-detect;
> +			reg = <0>;
> +		};
> +
> +		ethphy1: ethernet-phy at 1 {
> +			compatible = "ethernet-phy-ieee802.3-c22";
> +			smsc,disable-energy-detect;
> +			reg = <1>;
> +		};
> +	};
> +};
> +
> +&lcdif {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_lcdif_dat0_17
> +		     &pinctrl_lcdif_clken
> +		     &pinctrl_lcdif_hvsync>;
> +	lcd-supply = <&ldo4_ext>;       /* BU90T82 LVDS bridge power */
> +	status = "okay";
> +};
> +
> +&ldo4_ext {
> +	regulator-max-microvolt = <1800000>;
> +};
> +
> +&pwm1 {
> +	status = "okay";
> +};
> +
> +&pwm2 {
> +	status = "okay";
> +};
> +
> +&pwm3 {
> +	status = "okay";
> +};
> +
> +&pwm4 {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_pwm4>;
> +	clocks = <&clks IMX6UL_CLK_PWM4>,
> +		<&clks IMX6UL_CLK_PWM4>;
> +	status = "okay";
> +};
> +
> +&pwm5 {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_pwm5>;
> +	clocks = <&clks IMX6UL_CLK_PWM5>,
> +		 <&clks IMX6UL_CLK_PWM5>;
> +	status = "okay";
> +};
> +
> +&pwm6 {
> +	status = "okay";
> +};
> +
> +&pwm7 {
> +	status = "okay";
> +};
> +
> +&pwm8 {
> +	status = "okay";
> +};
> +
> +&sai2 {
> +	pinctrl-names = "default", "sleep";
> +	pinctrl-0 = <&pinctrl_sai2>;
> +	pinctrl-1 = <&pinctrl_sai2_sleep>;
> +	assigned-clocks = <&clks IMX6UL_CLK_SAI2_SEL>,
> +			  <&clks IMX6UL_CLK_PLL4_AUDIO_DIV>,
> +			  <&clks IMX6UL_CLK_SAI2>;
> +	assigned-clock-rates = <0>, <786432000>, <12288000>;
> +	assigned-clock-parents = <&clks IMX6UL_CLK_PLL4_AUDIO_DIV>;
> +	status = "okay";
> +};
> +
> +/* UART2 RTS/CTS muxed with CAN2 */
> +&uart2 {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_uart2_4wires>;
> +	uart-has-rtscts;
> +	status = "okay";
> +};
> +
> +/* UART3 RTS/CTS muxed with CAN 1 */
> +&uart3 {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_uart3_2wires>;
> +	status = "okay";
> +};
> +
> +&uart5 {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_uart5>;
> +	status = "okay";
> +};
> +
> +&usbotg1 {
> +	dr_mode = "otg";
> +	vbus-supply = <&reg_usb_otg1_vbus>;
> +	pinctrl-0 = <&pinctrl_usbotg1>;
> +	status = "okay";
> +};
> +
> +&usbotg2 {
> +	dr_mode = "host";
> +	disable-over-current;
> +	status = "okay";
> +};
> +
> +/* USDHC2 (microSD conflicts with eMMC) */
> +&usdhc2 {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_usdhc2>;
> +	no-1-8-v;
> +	pinctrl-assert-gpios = <&gpio5 1 GPIO_ACTIVE_LOW>;

This is undocumented/unsupported, no?

> +	broken-cd;	/* no carrier detect line (use polling) */
> +	status = "okay";
> +};
> +
> +&iomuxc {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_hog>;
> +
> +	pinctrl_adc1: adc1grp {
> +		fsl,pins = <
> +			/* EXP_GPIO_2 -> GPIO1_3/ADC1_IN3 */
> +			MX6UL_PAD_GPIO1_IO03__GPIO1_IO03        0xb0
> +		>;
> +	};
> +
> +	pinctrl_ecspi1_master: ecspi1grp1 {
> +		fsl,pins = <
> +			MX6UL_PAD_LCD_DATA20__ECSPI1_SCLK	0x10b0
> +			MX6UL_PAD_LCD_DATA22__ECSPI1_MOSI	0x10b0
> +			MX6UL_PAD_LCD_DATA23__ECSPI1_MISO	0x10b0
> +			MX6UL_PAD_LCD_DATA21__GPIO3_IO26	0x10b0
> +		>;
> +	};
> +
> +	pinctrl_ecspi1_slave: ecspi1grp2 {
> +		fsl,pins = <
> +			MX6UL_PAD_LCD_DATA20__ECSPI1_SCLK	0x10b0
> +			MX6UL_PAD_LCD_DATA22__ECSPI1_MOSI	0x10b0
> +			MX6UL_PAD_LCD_DATA23__ECSPI1_MISO	0x10b0
> +			MX6UL_PAD_LCD_DATA21__ECSPI1_SS0	0x10b0
> +		>;
> +	};
> +
> +	pinctrl_enet1: enet1grp {
> +		fsl,pins = <
> +			MX6UL_PAD_ENET1_RX_EN__ENET1_RX_EN	0x1b0b0
> +			MX6UL_PAD_ENET1_RX_ER__ENET1_RX_ER	0x1b0b0
> +			MX6UL_PAD_ENET1_RX_DATA0__ENET1_RDATA00	0x1b0b0
> +			MX6UL_PAD_ENET1_RX_DATA1__ENET1_RDATA01	0x1b0b0
> +			MX6UL_PAD_ENET1_TX_EN__ENET1_TX_EN	0x1b0b0
> +			MX6UL_PAD_ENET1_TX_DATA0__ENET1_TDATA00	0x1b0b0
> +			MX6UL_PAD_ENET1_TX_DATA1__ENET1_TDATA01	0x1b0b0
> +			MX6UL_PAD_ENET1_TX_CLK__ENET1_REF_CLK1	0x40017051
> +		>;
> +	};
> +
> +	pinctrl_enet2: enet2grp {
> +		fsl,pins = <
> +			MX6UL_PAD_ENET2_RX_EN__ENET2_RX_EN	0x1b0b0
> +			MX6UL_PAD_ENET2_RX_ER__ENET2_RX_ER	0x1b0b0
> +			MX6UL_PAD_ENET2_RX_DATA0__ENET2_RDATA00	0x1b0b0
> +			MX6UL_PAD_ENET2_RX_DATA1__ENET2_RDATA01	0x1b0b0
> +			MX6UL_PAD_ENET2_TX_EN__ENET2_TX_EN	0x1b0b0
> +			MX6UL_PAD_ENET2_TX_DATA0__ENET2_TDATA00	0x1b0b0
> +			MX6UL_PAD_ENET2_TX_DATA1__ENET2_TDATA01	0x1b0b0
> +			MX6UL_PAD_ENET2_TX_CLK__ENET2_REF_CLK2	0x40017051
> +		>;
> +	};
> +
> +	/*
> +	 * The same pins GPIO1_IO6 and GPIO_IO7 are shared as the MII
> +	 * bus of ENET1 and ENET2. If both interfaces are enabled, the
> +	 * IOMUX of ENET2 will apply.
> +	 * If only one interface is enabled, the IOMUX of the enabled
> +	 * interface will apply.
> +	 */
> +	pinctrl_enet1_mdio: mdioenet1grp {
> +		fsl,pins = <
> +			MX6UL_PAD_GPIO1_IO07__ENET1_MDC		0x1b0b0
> +			MX6UL_PAD_GPIO1_IO06__ENET1_MDIO	0x1b0b0
> +		>;
> +	};
> +	pinctrl_enet2_mdio: mdioenet2grp {
> +		fsl,pins = <
> +			MX6UL_PAD_GPIO1_IO07__ENET2_MDC		0x1b0b0
> +			MX6UL_PAD_GPIO1_IO06__ENET2_MDIO	0x1b0b0
> +		>;
> +	};
> +
> +	pinctrl_flexcan1: flexcan1grp{
> +		fsl,pins = <
> +			MX6UL_PAD_UART3_CTS_B__FLEXCAN1_TX	0x1b020
> +			MX6UL_PAD_UART3_RTS_B__FLEXCAN1_RX	0x1b020
> +		>;
> +	};
> +	pinctrl_flexcan2: flexcan2grp{
> +		fsl,pins = <
> +			MX6UL_PAD_UART2_CTS_B__FLEXCAN2_TX	0x1b020
> +			MX6UL_PAD_UART2_RTS_B__FLEXCAN2_RX	0x1b020
> +		>;
> +	};
> +
> +	pinctrl_lcdif_dat0_17: lcdifdatgrp0_17 {
> +		fsl,pins = <
> +			MX6UL_PAD_LCD_DATA00__LCDIF_DATA00	0x79
> +			MX6UL_PAD_LCD_DATA01__LCDIF_DATA01	0x79
> +			MX6UL_PAD_LCD_DATA02__LCDIF_DATA02	0x79
> +			MX6UL_PAD_LCD_DATA03__LCDIF_DATA03	0x79
> +			MX6UL_PAD_LCD_DATA04__LCDIF_DATA04	0x79
> +			MX6UL_PAD_LCD_DATA05__LCDIF_DATA05	0x79
> +			MX6UL_PAD_LCD_DATA06__LCDIF_DATA06	0x79
> +			MX6UL_PAD_LCD_DATA07__LCDIF_DATA07	0x79
> +			MX6UL_PAD_LCD_DATA08__LCDIF_DATA08	0x79
> +			MX6UL_PAD_LCD_DATA09__LCDIF_DATA09	0x79
> +			MX6UL_PAD_LCD_DATA10__LCDIF_DATA10	0x79
> +			MX6UL_PAD_LCD_DATA11__LCDIF_DATA11	0x79
> +			MX6UL_PAD_LCD_DATA12__LCDIF_DATA12	0x79
> +			MX6UL_PAD_LCD_DATA13__LCDIF_DATA13	0x79
> +			MX6UL_PAD_LCD_DATA14__LCDIF_DATA14	0x79
> +			MX6UL_PAD_LCD_DATA15__LCDIF_DATA15	0x79
> +			MX6UL_PAD_LCD_DATA16__LCDIF_DATA16	0x79
> +			MX6UL_PAD_LCD_DATA17__LCDIF_DATA17	0x79
> +		>;
> +	};
> +
> +	pinctrl_lcdif_dat18_23: lcdifdatgrp18_23 {
> +		fsl,pins = <
> +			MX6UL_PAD_LCD_DATA18__LCDIF_DATA18	0x79
> +			MX6UL_PAD_LCD_DATA19__LCDIF_DATA19	0x79
> +			MX6UL_PAD_LCD_DATA20__LCDIF_DATA20	0x79
> +			MX6UL_PAD_LCD_DATA21__LCDIF_DATA21	0x79
> +			MX6UL_PAD_LCD_DATA22__LCDIF_DATA22	0x79
> +			MX6UL_PAD_LCD_DATA23__LCDIF_DATA23	0x79
> +		>;
> +	};
> +
> +	pinctrl_lcdif_clken: lcdifctrlgrp1 {
> +		fsl,pins = <
> +			MX6UL_PAD_LCD_CLK__LCDIF_CLK		0x17050
> +			MX6UL_PAD_LCD_ENABLE__LCDIF_ENABLE	0x79
> +		>;
> +	};
> +
> +	pinctrl_lcdif_hvsync: lcdifctrlgrp2 {
> +		fsl,pins = <
> +			MX6UL_PAD_LCD_HSYNC__LCDIF_HSYNC	0x79
> +			MX6UL_PAD_LCD_VSYNC__LCDIF_VSYNC	0x79
> +		>;
> +	};
> +
> +	pinctrl_lcdif_reset: lcdifctrlgrp3 {
> +		fsl,pins = <
> +			MX6UL_PAD_LCD_RESET__LCDIF_RESET	0x79
> +		>;
> +	};
> +
> +	pinctrl_pwm4: pwm4grp {
> +		fsl,pins = <
> +			MX6UL_PAD_GPIO1_IO05__PWM4_OUT          0x110b0
> +		>;
> +	};
> +
> +	pinctrl_pwm5: pwm5grp {
> +		fsl,pins = <
> +			MX6UL_PAD_NAND_DQS__PWM5_OUT		0x110b0
> +		>;
> +	};
> +
> +	pinctrl_sai2: sai2grp {
> +		fsl,pins = <
> +			MX6UL_PAD_JTAG_TRST_B__SAI2_TX_DATA	0x11088
> +			MX6UL_PAD_JTAG_TCK__SAI2_RX_DATA	0x11088
> +			MX6UL_PAD_JTAG_TMS__SAI2_MCLK		0x17088
> +			MX6UL_PAD_JTAG_TDI__SAI2_TX_BCLK	0x17088
> +			MX6UL_PAD_JTAG_TDO__SAI2_TX_SYNC	0x17088
> +			/* Interrupt */
> +			MX6UL_PAD_SNVS_TAMPER7__GPIO5_IO07	0x80000000
> +		>;
> +	};
> +
> +	pinctrl_sai2_sleep: sai2grp_sleep {
> +		fsl,pins = <
> +			MX6UL_PAD_JTAG_TRST_B__GPIO1_IO15	0x3000
> +			MX6UL_PAD_JTAG_TCK__GPIO1_IO14		0x3000
> +			MX6UL_PAD_JTAG_TMS__GPIO1_IO11		0x3000
> +			MX6UL_PAD_JTAG_TDO__GPIO1_IO12		0x3000
> +			/* Interrupt */
> +			MX6UL_PAD_SNVS_TAMPER7__GPIO5_IO07	0x3000
> +		>;
> +	};
> +
> +	pinctrl_uart2_2wires: uart2grp_2wires {
> +		fsl,pins = <
> +			MX6UL_PAD_UART2_TX_DATA__UART2_DCE_TX	0x1b0b1
> +			MX6UL_PAD_UART2_RX_DATA__UART2_DCE_RX	0x1b0b1
> +		>;
> +	};
> +
> +	pinctrl_uart2_4wires: uart2grp_4wires {
> +		fsl,pins = <
> +			MX6UL_PAD_UART2_TX_DATA__UART2_DCE_TX	0x1b0b1
> +			MX6UL_PAD_UART2_RX_DATA__UART2_DCE_RX	0x1b0b1
> +			MX6UL_PAD_UART2_CTS_B__UART2_DCE_CTS	0x1b0b1
> +			MX6UL_PAD_UART2_RTS_B__UART2_DCE_RTS	0x1b0b1
> +		>;
> +	};
> +
> +	pinctrl_uart3_2wires: uart3grp_2wires {
> +		fsl,pins = <
> +			MX6UL_PAD_UART3_TX_DATA__UART3_DCE_TX	0x1b0b1
> +			MX6UL_PAD_UART3_RX_DATA__UART3_DCE_RX	0x1b0b1
> +		>;
> +	};
> +
> +	pinctrl_uart3_4wires: uart3grp_4wires {
> +		fsl,pins = <
> +			MX6UL_PAD_UART3_TX_DATA__UART3_DCE_TX	0x1b0b1
> +			MX6UL_PAD_UART3_RX_DATA__UART3_DCE_RX	0x1b0b1
> +			MX6UL_PAD_UART3_CTS_B__UART3_DCE_CTS	0x1b0b1
> +			MX6UL_PAD_UART3_RTS_B__UART3_DCE_RTS	0x1b0b1
> +		>;
> +	};
> +
> +	pinctrl_uart5: uart5grp {
> +		fsl,pins = <
> +			MX6UL_PAD_UART5_TX_DATA__UART5_DCE_TX	0x1b0b1
> +			MX6UL_PAD_UART5_RX_DATA__UART5_DCE_RX	0x1b0b1
> +		>;
> +	};
> +
> +	pinctrl_usdhc2: usdhc2grp {
> +		fsl,pins = <
> +			MX6UL_PAD_CSI_HSYNC__USDHC2_CMD		0x17059
> +			MX6UL_PAD_CSI_VSYNC__USDHC2_CLK		0x10039
> +			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
> +			/* Mux selector between eMMC/SD# */
> +			MX6UL_PAD_SNVS_TAMPER1__GPIO5_IO01	0x79
> +		>;
> +	};
> +
> +	pinctrl_usdhc2_8databits: usdhc2-8databits-grp {
> +		fsl,pins = <
> +			MX6UL_PAD_CSI_HSYNC__USDHC2_CMD		0x17059
> +			MX6UL_PAD_CSI_VSYNC__USDHC2_CLK		0x10039
> +			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_CSI_DATA04__USDHC2_DATA4	0x17059
> +			MX6UL_PAD_CSI_DATA05__USDHC2_DATA5	0x17059
> +			MX6UL_PAD_CSI_DATA06__USDHC2_DATA6	0x17059
> +			MX6UL_PAD_CSI_DATA07__USDHC2_DATA7	0x17059
> +			/* Mux selector between eMMC/SD# */
> +			MX6UL_PAD_SNVS_TAMPER1__GPIO5_IO01	0x79
> +		>;
> +	};

Please drop unused pinctrl entries.  And again, use hyphen in node name.

> +
> +	pinctrl_usbotg1: usbotg1grp {
> +		fsl,pins = <
> +			MX6UL_PAD_GPIO1_IO00__ANATOP_OTG1_ID	0x17059
> +			MX6UL_PAD_GPIO1_IO04__GPIO1_IO04	0x17059
> +			MX6UL_PAD_GPIO1_IO01__USB_OTG1_OC	0x17059
> +		>;
> +	};
> +
> +	/* General purpose pinctrl */
> +	pinctrl_hog: hoggrp {
> +	};

Drop this empty node.

Shawn

> +};
> 
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