[PATCH 3/3] ARM: imx7: add support for iotmaxx GW4100
Shawn Guo
shawnguo at kernel.org
Mon Jun 22 23:34:22 EDT 2020
On Thu, May 28, 2020 at 11:31:15AM +0200, Steffen Trumtrar wrote:
> The GW4100 will be an i.MX7D based board from IoTMaxx.
> The support is almost complete apart from the pmic setup which currently
> can not be used because of a hardware bug. This can and will be changed
> once it is fixed in hardware.
>
> Signed-off-by: Steffen Trumtrar <s.trumtrar at pengutronix.de>
> ---
> arch/arm/boot/dts/Makefile | 1 +
> arch/arm/boot/dts/imx7d-iotmaxx-gw4100.dts | 574 +++++++++++++++++++++
> 2 files changed, 575 insertions(+)
> create mode 100644 arch/arm/boot/dts/imx7d-iotmaxx-gw4100.dts
>
> diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
> index e8dd99201397..f596492a115c 100644
> --- a/arch/arm/boot/dts/Makefile
> +++ b/arch/arm/boot/dts/Makefile
> @@ -623,6 +623,7 @@ dtb-$(CONFIG_SOC_IMX7D) += \
> imx7d-colibri-emmc-aster.dtb \
> imx7d-colibri-emmc-eval-v3.dtb \
> imx7d-colibri-eval-v3.dtb \
> + imx7d-iotmaxx-gw4100.dtb \
> imx7d-mba7.dtb \
> imx7d-meerkat96.dtb \
> imx7d-nitrogen7.dtb \
> diff --git a/arch/arm/boot/dts/imx7d-iotmaxx-gw4100.dts b/arch/arm/boot/dts/imx7d-iotmaxx-gw4100.dts
> new file mode 100644
> index 000000000000..cc78dac80da2
> --- /dev/null
> +++ b/arch/arm/boot/dts/imx7d-iotmaxx-gw4100.dts
> @@ -0,0 +1,574 @@
> +// SPDX-License-Identifier: GPL-2.0+
> +/*
> +* Copyright (C) 2020 Steffen Trumtrar <s.trumtrar at pengutronix.de>
> +*/
> +
> +/dts-v1/;
> +#include "imx7d.dtsi"
> +
> +/ {
> + model = "IoTMAXX i.MX7D GW4100 Gateway";
> + compatible = "iotmaxx,imx7d-gw4100", "fsl,imx7d";
> +
> + chosen {
> + stdout-path = &uart3;
> + };
> +
> + memory {
> + device_type = "memory";
> + reg = <0x80000000 0x40000000>;
> + };
> +
> + iio-hwmon {
> + compatible = "iio-hwmon";
> + io-channels = <&adc1 0>, <&adc1 1>, <&adc1 2>, <&adc1 3>,
> + <&adc2 0>, <&adc2 1>, <&adc2 2>;
> + };
> +
> + gpio-leds {
> + compatible = "gpio-leds";
> + pinctrl-0 = <&pinctrl_leds_usr>;
> + pinctrl-names = "default";
> +
> + usr1 {
> + label = "iotmaxx:green:usr1";
> + gpios = <&gpio4 15 GPIO_ACTIVE_HIGH>;
> + linux,default-trigger = "heartbeat";
> + };
> +
> + usr2 {
> + label = "iotmaxx:green:usr2";
> + gpios = <&gpio4 14 GPIO_ACTIVE_HIGH>;
> + };
> + };
> +
> + reg_ldo_emmc_3v3: ldo_emmc_3v3 {
> + compatible = "regulator-fixed";
> + regulator-name = "ldo_emmc_v3v3";
> + regulator-min-microvolt = <3300000>;
> + regulator-max-microvolt = <3300000>;
> + regulator-always-on;
Why do you need regulator-always-on for a regulator that doesn't have
on/off control?
> + };
> +
> + reg_ldo_misc_3v3: ldo_misc_3v3 {
> + compatible = "regulator-fixed";
> + regulator-name = "ldo_misc_v3v3";
> + regulator-min-microvolt = <3300000>;
> + regulator-max-microvolt = <3300000>;
> + regulator-always-on;
> + };
> +
> + reg_dcdc_1v8: ldo_dcdc_1v8 {
Name fixed regulator consistently like following ones.
> + compatible = "regulator-fixed";
> + regulator-name = "ldo_dcdc_1v8";
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <1800000>;
> + regulator-always-on;
> + };
> +
> + reg_vadc_1v8: regulator-vadc-1v8 {
> + compatible = "regulator-fixed";
> + regulator-name = "vadc_1v8";
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <1800000>;
> + regulator-always-on;
> + };
> +
> + reg_5v_periph: regulator-5v-periph {
> + compatible = "regulator-fixed";
> + regulator-name = "5v_periph";
> + regulator-min-microvolt = <5000000>;
> + regulator-max-microvolt = <5000000>;
> + gpio = <&gpio2 2 GPIO_ACTIVE_HIGH>;
> + enable-active-high;
> + regulator-always-on;
Why regulator-always-on?
> + };
> +
> + reg_usb_gsm_vbus: regulator-usb-gsm-vbus {
> + compatible = "regulator-fixed";
> + regulator-name = "usb_gsm_vbus";
> + regulator-min-microvolt = <5000000>;
> + regulator-max-microvolt = <5000000>;
> + gpio = <&gpio3 4 GPIO_ACTIVE_HIGH>;
> + enable-active-high;
> + regulator-always-on;
> + };
> +
> + reg_gsm_pwr_en_3v3: regulator-gsm-pwr-en-3v3 {
> + compatible = "regulator-fixed";
> + regulator-name = "gsm_pwr_en_3v3";
> + pinctrl-names = "default";
> + regulator-min-microvolt = <3300000>;
> + regulator-max-microvolt = <3300000>;
> + gpio = <&gpio2 15 GPIO_ACTIVE_HIGH>;
> + enable-active-high;
> + regulator-always-on;
> + };
> +
> + reg_usb_otg1_vbus: regulator-usb-otg1-vbus {
> + compatible = "regulator-fixed";
> + regulator-name = "usb_otg1_vbus";
> + regulator-min-microvolt = <5000000>;
> + regulator-max-microvolt = <5000000>;
> + regulator-always-on;
> + };
> +
> + reg_usb_otg2_vbus: regulator-usb-otg2-vbus {
> + compatible = "regulator-fixed";
> + regulator-name = "usb_otg2_vbus";
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_usb_otg2_vbus_reg>;
> + regulator-min-microvolt = <5000000>;
> + regulator-max-microvolt = <5000000>;
> + gpio = <&gpio1 7 GPIO_ACTIVE_HIGH>;
> + enable-active-high;
> + };
> +};
> +
> +&adc1 {
> + vref-supply = <®_vadc_1v8>;
> + status = "okay";
> +};
> +
> +&adc2 {
> + vref-supply = <®_vadc_1v8>;
> + status = "okay";
> +};
> +
> +&fec2 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_enet2>,
> + <&pinctrl_mdio>,
> + <&pinctrl_rmii_phy>;
> + /* set the enet_ref_clk and enet_out with a 50MHz clock */
> + assigned-clocks = <&clks IMX7D_ENET_PHY_REF_ROOT_DIV>;
> + assigned-clock-parents = <&clks IMX7D_PLL_ENET_MAIN_100M_CLK>;
> + assigned-clock-rates = <50000000>;
> + clocks = <&clks IMX7D_ENET2_IPG_ROOT_CLK>,
> + <&clks IMX7D_ENET_AXI_ROOT_CLK>,
> + <&clks IMX7D_ENET2_TIME_ROOT_CLK>,
> + <&clks IMX7D_PLL_ENET_MAIN_50M_CLK>,
> + <&clks IMX7D_ENET2_REF_ROOT_DIV>;
> + clock-names = "ipg", "ahb", "ptp",
> + "enet_clk_ref", "enet_out";
> + phy-handle = <ðphy1>;
> + phy-mode = "rmii";
> + phy-reset-gpios = <&gpio2 27 GPIO_ACTIVE_LOW>;
> + fsl,magic-packet;
> + status = "okay";
> +
> + mdio {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + ethphy1: ethernet-phy at 1 {
> + interrupt-parent = <&gpio2>;
> + interrupts = <25 IRQ_TYPE_LEVEL_LOW>;
> +
Unneeded newline.
> + clocks = <&clks IMX7D_ENET2_REF_ROOT_DIV>;
> + clock-names = "rmii-ref";
> + reg = <1>;
> + };
> + };
> +};
> +
> +&flexcan1 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_flexcan1>;
> + xceiver-supply = <®_5v_periph>;
> + status = "okay";
> +};
> +
> +&gpio1 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_gpio1>;
> +
> + gpio-line-names = "gpio1_highside",
> + "gpio1_lowside", "gpio1_pullup", "n_gpio1_in", "gpio2_highside", "gpio2_lowside",
Give it an indentation.
> + "n_usb_ext_oc", "usb_ext_pwr", "", "", "",
> + "", "", "", "", "",
> + "", "", "", "", "",
> + "", "", "", "", "",
> + "", "", "", "", "",
> + "";
> +};
> +
> +&gpio2 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_gpio2>;
> + status = "okay";
> +
> + gpio-line-names = "",
> + "", "5v_periph_en", "", "sim_cd1", "sim_cd2",
> + "", "", "", "", "",
> + "", "", "", "", "gsm_pwr_en_3v3",
> + "", "", "n_usbhub_int", "usbhub_connect", "",
> + "", "", "", "", "",
> + "", "", "", "", "n_usbhub_rst",
> + "";
> +};
> +
> +&gpio3 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_gpio3>;
> + status = "okay";
> +
> + gpio-line-names = "",
> + "", "", "", "vusb_gsm_en", "",
> + "", "", "", "", "",
> + "", "", "", "", "",
> + "", "", "", "", "",
> + "", "", "", "", "sim_enable",
> + "", "", "", "", "",
> + "";
> +};
> +
> +&gpio4 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_gpio4>,
> + <&pinctrl_gpio4_hog>;
> + status = "okay";
> +
> + gpio-line-names = "",
> + "", "", "", "", "",
> + "", "", "", "", "",
> + "", "n_can_term_en", "", "led_usr2", "led_usr1",
> + "sim_sel", "gsm_reset", "", "n_gsm_pwr_ind", "",
> + "", "", "", "", "",
> + "", "", "", "", "",
> + "";
> +
> + gsm-pwr-on-off {
> + gpio-hog;
> + gpios = <18 GPIO_ACTIVE_HIGH>;
> + output-high;
> + line-name = "gsm_power_on_off";
> + };
> +};
> +
> +&i2c1 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_i2c1>;
> + status = "okay";
> +
> + 1wiremaster at 18 {
> + compatible = "ds2482";
Is it supported/documented bindings?
> + reg = <0x18>;
> + };
> +};
> +
> +/* CTRL_I2C */
> +&i2c3 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_i2c3>;
> + status = "okay";
> +
> + usb_hub: usb-hub at 8 {
> + compatible = "smsc,usb3503";
> + reg = <0x8>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_usbhub>;
> + initial-mode = <1>; /* HUB mode */
> + reset-gpios = <&gpio2 30 GPIO_ACTIVE_LOW>;
> + intn-gpios = <&gpio2 18 GPIO_ACTIVE_LOW>;
> + connect-gpios = <&gpio2 19 GPIO_ACTIVE_HIGH>;
> + clocks = <&clks IMX7D_OSC_24M_CLK>;
> + clock-names = "refclk";
> + };
> +
> + tpm: tpm at 20 {
> + compatible = "infineon,slb9645tt";
> + reg = <0x20>;
> + };
> +
> + eeprom: eeprom at 50 {
> + compatible = "atmel,24c01";
> + vcc-supply = <®_ldo_misc_3v3>;
> + pagesize = <8>;
> + reg = <0x50>;
> + };
> +
> + pcf85363: pcf85363 at 51 {
> + compatible = "nxp,pcf85363";
> + reg = <0x51>;
> + };
> +};
> +
> +/* EXP_I2C */
> +&i2c4 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_i2c4>;
> + status = "okay";
> +};
> +
> +&iomuxc {
> + pinctrl_mdio: mdiogrp {
> + fsl,pins = <
> + MX7D_PAD_UART2_RX_DATA__ENET2_MDIO 0x3 /* ENET_MDIO */
Give it an indentation.
> + MX7D_PAD_UART2_TX_DATA__ENET2_MDC 0x3 /* ENET_MDC */
> + >;
> + };
Have a newline between nodes. And try to sort pinctrl entries
alphabetically.
Shawn
> + pinctrl_enet2: enet2grp {
> + fsl,pins = <
> + MX7D_PAD_EPDC_SDCE0__ENET2_RGMII_RX_CTL 0x5 /* ENET2_CRS_DV */
> + MX7D_PAD_EPDC_SDCE1__ENET2_RX_ER 0x5 /* ENET2_RXER */
> + MX7D_PAD_EPDC_SDCE2__ENET2_RGMII_TD0 0x5 /* ENET2_TXD0 */
> + MX7D_PAD_EPDC_SDCE3__ENET2_RGMII_TD1 0x5 /* ENET2_TXD1 */
> + MX7D_PAD_EPDC_SDCLK__ENET2_RGMII_RD0 0x5 /* ENET2_RXD0 */
> + MX7D_PAD_EPDC_SDLE__ENET2_RGMII_RD1 0x5 /* ENET2_RXD1 */
> + MX7D_PAD_EPDC_GDCLK__GPIO2_IO24 0x5 /* ENET2_B-CAST_OFF */
> + MX7D_PAD_EPDC_GDRL__ENET2_RGMII_TX_CTL 0x5 /* ENET2_TXEN */
> + MX7D_PAD_EPDC_BDR0__CCM_ENET_REF_CLK2 0x40000001 /* ENET2_TX_CLK */
> + >;
> + };
> + pinctrl_rmii_phy: phygrp {
> + fsl,pins = <
> + MX7D_PAD_EPDC_GDSP__GPIO2_IO27 0x59 /* !ENET2_RST */
> + MX7D_PAD_EPDC_GDOE__GPIO2_IO25 0x59 /* !ENET2_INT */
> + >;
> + };
> +
> + pinctrl_flexcan1: flexcan1grp {
> + fsl,pins = <
> + MX7D_PAD_GPIO1_IO12__FLEXCAN1_RX 0x5a
> + MX7D_PAD_GPIO1_IO13__FLEXCAN1_TX 0x52
> + >;
> + };
> +
> + pinctrl_gpio2: gpio2grp {
> + fsl,pins = <
> + MX7D_PAD_EPDC_DATA02__GPIO2_IO2 0x14 /* 5V_PERIPH_EN */
> + MX7D_PAD_EPDC_DATA15__GPIO2_IO15 0x14 /* GSM_PWR_EN_3V3 */
> + MX7D_PAD_EPDC_DATA04__GPIO2_IO4 0x14 /* SIM_CD1 */
> + MX7D_PAD_EPDC_DATA05__GPIO2_IO5 0x14 /* SIM_CD2 */
> + >;
> + };
> +
> + pinctrl_gpio3: gpio3grp {
> + fsl,pins = <
> + MX7D_PAD_LCD_RESET__GPIO3_IO4 0x79 /* VUSB_GSM_EN */
> + MX7D_PAD_LCD_DATA20__GPIO3_IO25 0x14 /* SIM_ENABLE */
> + >;
> + };
> +
> + pinctrl_gpio4: gpio4grp {
> + fsl,pins = <
> + MX7D_PAD_ECSPI1_SS0__GPIO4_IO19 0x59 /* !GSM_PWR_IND */
> + MX7D_PAD_ECSPI1_SCLK__GPIO4_IO16 0x59 /* SIM_SEL */
> + MX7D_PAD_I2C3_SCL__GPIO4_IO12 0x59 /* !CAN_TERM_EN */
> + MX7D_PAD_ECSPI1_MOSI__GPIO4_IO17 0x03 /* GSM_RST */
> + >;
> + };
> +
> + pinctrl_gpio4_hog: gpio4hoggrp {
> + fsl,pins = <
> + MX7D_PAD_ECSPI1_MISO__GPIO4_IO18 0x73 /* GSM_POWER_ON_OFF */
> + >;
> + };
> +
> + pinctrl_i2c1: i2c1grp {
> + fsl,pins = <
> + MX7D_PAD_UART1_RX_DATA__I2C1_SCL 0x40000078
> + MX7D_PAD_UART1_TX_DATA__I2C1_SDA 0x40000078
> + >;
> + };
> +
> + pinctrl_i2c3: i2c3grp {
> + fsl,pins = <
> + MX7D_PAD_ENET1_RGMII_RD1__I2C3_SDA 0x40000078
> + MX7D_PAD_ENET1_RGMII_RD0__I2C3_SCL 0x40000078
> + >;
> + };
> +
> + pinctrl_i2c4: i2c4grp {
> + fsl,pins = <
> + MX7D_PAD_ENET1_RGMII_TD3__I2C4_SDA 0x40000078
> + MX7D_PAD_ENET1_RGMII_TD2__I2C4_SCL 0x40000078
> + >;
> + };
> +
> + pinctrl_leds_usr: ledsusrgrp {
> + fsl,pins = <
> + MX7D_PAD_I2C4_SDA__GPIO4_IO15 0x51 /* LED USR1 */
> + MX7D_PAD_I2C4_SCL__GPIO4_IO14 0x51 /* LED USR2 */
> + >;
> + };
> +
> + pinctrl_uart3: uart3grp {
> + fsl,pins = <
> + MX7D_PAD_UART3_RX_DATA__UART3_DCE_RX 0x79
> + MX7D_PAD_UART3_TX_DATA__UART3_DCE_TX 0x79
> + MX7D_PAD_UART3_RTS_B__UART3_DCE_RTS 0x79
> + MX7D_PAD_UART3_CTS_B__UART3_DCE_CTS 0x79
> + >;
> + };
> +
> + pinctrl_uart4: uart4grp {
> + fsl,pins = <
> + MX7D_PAD_I2C1_SCL__GPIO4_IO8 0x79 /* RS485_DE */
> + MX7D_PAD_I2C2_SCL__UART4_DCE_RX 0x79 /* RS485_R */
> + MX7D_PAD_I2C2_SDA__UART4_DCE_TX 0x79 /* RS458_D */
> + >;
> + };
> +
> + pinctrl_usbhub: usbhubgrp {
> + fsl,pins = <
> + MX7D_PAD_EPDC_PWR_COM__GPIO2_IO30 0x59 /* !USBHUB_RST */
> + MX7D_PAD_EPDC_SDOE__GPIO2_IO18 0x59 /* !USBHUB_INT */
> + MX7D_PAD_EPDC_SDSHR__GPIO2_IO19 0x59 /* USBHUB_CONNECT */
> + >;
> + };
> +
> + pinctrl_usdhc2: usdhc2grp {
> + fsl,pins = <
> + MX7D_PAD_SD2_CMD__SD2_CMD 0x59
> + MX7D_PAD_SD2_CLK__SD2_CLK 0x19
> + MX7D_PAD_SD2_DATA0__SD2_DATA0 0x59
> + MX7D_PAD_SD2_DATA1__SD2_DATA1 0x59
> + MX7D_PAD_SD2_DATA2__SD2_DATA2 0x59
> + MX7D_PAD_SD2_DATA3__SD2_DATA3 0x59
> + MX7D_PAD_SD2_CD_B__SD2_CD_B 0x59
> + >;
> + };
> +
> + pinctrl_usdhc3: usdhc3grp {
> + fsl,pins = <
> + MX7D_PAD_SD3_CMD__SD3_CMD 0x59
> + MX7D_PAD_SD3_CLK__SD3_CLK 0x19
> + MX7D_PAD_SD3_DATA0__SD3_DATA0 0x59
> + MX7D_PAD_SD3_DATA1__SD3_DATA1 0x59
> + MX7D_PAD_SD3_DATA2__SD3_DATA2 0x59
> + MX7D_PAD_SD3_DATA3__SD3_DATA3 0x59
> + MX7D_PAD_SD3_DATA4__SD3_DATA4 0x59
> + MX7D_PAD_SD3_DATA5__SD3_DATA5 0x59
> + MX7D_PAD_SD3_DATA6__SD3_DATA6 0x59
> + MX7D_PAD_SD3_DATA7__SD3_DATA7 0x59
> + MX7D_PAD_SD3_STROBE__SD3_STROBE 0x19
> + >;
> + };
> +
> + pinctrl_usdhc3_100mhz: usdhc3grp_100mhz {
> + fsl,pins = <
> + MX7D_PAD_SD3_CMD__SD3_CMD 0x5a
> + MX7D_PAD_SD3_CLK__SD3_CLK 0x1a
> + MX7D_PAD_SD3_DATA0__SD3_DATA0 0x5a
> + MX7D_PAD_SD3_DATA1__SD3_DATA1 0x5a
> + MX7D_PAD_SD3_DATA2__SD3_DATA2 0x5a
> + MX7D_PAD_SD3_DATA3__SD3_DATA3 0x5a
> + MX7D_PAD_SD3_DATA4__SD3_DATA4 0x5a
> + MX7D_PAD_SD3_DATA5__SD3_DATA5 0x5a
> + MX7D_PAD_SD3_DATA6__SD3_DATA6 0x5a
> + MX7D_PAD_SD3_DATA7__SD3_DATA7 0x5a
> + MX7D_PAD_SD3_STROBE__SD3_STROBE 0x1a
> + >;
> + };
> +
> + pinctrl_usdhc3_200mhz: usdhc3grp_200mhz {
> + fsl,pins = <
> + MX7D_PAD_SD3_CMD__SD3_CMD 0x5b
> + MX7D_PAD_SD3_CLK__SD3_CLK 0x1b
> + MX7D_PAD_SD3_DATA0__SD3_DATA0 0x5b
> + MX7D_PAD_SD3_DATA1__SD3_DATA1 0x5b
> + MX7D_PAD_SD3_DATA2__SD3_DATA2 0x5b
> + MX7D_PAD_SD3_DATA3__SD3_DATA3 0x5b
> + MX7D_PAD_SD3_DATA4__SD3_DATA4 0x5b
> + MX7D_PAD_SD3_DATA5__SD3_DATA5 0x5b
> + MX7D_PAD_SD3_DATA6__SD3_DATA6 0x5b
> + MX7D_PAD_SD3_DATA7__SD3_DATA7 0x5b
> + MX7D_PAD_SD3_STROBE__SD3_STROBE 0x1b
> + >;
> + };
> +};
> +
> +&iomuxc_lpsr {
> + pinctrl_gpio1: gpio1grp {
> + fsl,pins = <
> + MX7D_PAD_LPSR_GPIO1_IO00__GPIO1_IO0 0x00 /* GPIO1_HIGHSIDE */
> + MX7D_PAD_LPSR_GPIO1_IO01__GPIO1_IO1 0x00 /* GPIO1_LOWSIDE */
> + MX7D_PAD_LPSR_GPIO1_IO02__GPIO1_IO2 0x00 /* GPIO1_PULLUP */
> + MX7D_PAD_LPSR_GPIO1_IO03__GPIO1_IO3 0x00 /* GPIO1_IN */
> + MX7D_PAD_LPSR_GPIO1_IO04__GPIO1_IO4 0x00 /* GPIO2_HIGHSIDE */
> + MX7D_PAD_LPSR_GPIO1_IO05__GPIO1_IO5 0x00 /* GPIO2_LOWSIDE */
> + MX7D_PAD_LPSR_GPIO1_IO06__GPIO1_IO6 0x00 /* !USB_EXT_OC */
> + >;
> + };
> +
> + pinctrl_usb_otg2_vbus_reg: usbotg2vbusreggrp {
> + fsl,pins = <
> + MX7D_PAD_LPSR_GPIO1_IO07__GPIO1_IO7 0x14 /* USB_EXT_PWR */
> + >;
> + };
> +};
> +
> +&uart3 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_uart3>;
> + assigned-clocks = <&clks IMX7D_UART3_ROOT_SRC>;
> + assigned-clock-parents = <&clks IMX7D_OSC_24M_CLK>;
> + uart-has-rtscts;
> + status = "okay";
> +};
> +
> +/* Maxlinear SP483 RS-485 transceiver */
> +&uart4 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_uart4>;
> + rts-gpios = <&gpio4 8 GPIO_ACTIVE_HIGH>;
> + linux,rs485-enabled-at-boot-time;
> + status = "okay";
> +};
> +
> +&usbphynop3 {
> + vcc-supply = <®_ldo_misc_3v3>;
> +};
> +
> +&usbh {
> + disable-over-current;
> + status = "okay";
> +};
> +
> +&usbphynop1 {
> + vcc-supply = <®_usb_otg1_vbus>;
> +};
> +
> +&usbotg1 {
> + vbus-supply = <®_ldo_misc_3v3>;
> + dr_mode = "otg";
> + disable-over-current;
> + status = "okay";
> +};
> +
> +&usbphynop2 {
> + vcc-supply = <®_usb_otg2_vbus>;
> +};
> +
> +&usbotg2 {
> + vbus-supply = <®_usb_otg2_vbus>;
> + dr_mode = "host";
> + disable-over-current;
> + status = "okay";
> +};
> +
> +&usdhc2 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_usdhc2>;
> + status = "okay";
> +};
> +
> +&usdhc3 {
> + pinctrl-names = "default", "state_100mhz", "state_200mhz";
> + pinctrl-0 = <&pinctrl_usdhc3>;
> + pinctrl-1 = <&pinctrl_usdhc3_100mhz>;
> + pinctrl-2 = <&pinctrl_usdhc3_200mhz>;
> + assigned-clocks = <&clks IMX7D_USDHC3_ROOT_CLK>;
> + assigned-clock-rates = <400000000>;
> + bus-width = <8>;
> + no-sd;
> + no-sdio;
> + disable-wp;
> + fsl,tuning-step = <2>;
> + non-removable;
> + vmmc-supply = <®_ldo_emmc_3v3>;
> + vqmmc-supply = <®_dcdc_1v8>;
> + status = "okay";
> +};
> --
> 2.26.2
>
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