Add support for ZII's i.MX7 based Remote Modem Unit 2 (RMU2) board. Signed-off-by: Andrey Smirnov <andrew.smirnov@xxxxxxxxx> Reviewed-by: Fabio Estevam <festevam@xxxxxxxxx> Cc: Shawn Guo <shawnguo@xxxxxxxxxx> Cc: Rob Herring <robh@xxxxxxxxxx> Cc: Chris Healy <cphealy@xxxxxxxxx> Cc: Lucas Stach <l.stach@xxxxxxxxxxxxxx> Cc: Fabio Estevam <festevam@xxxxxxxxx> Cc: Bob Langer <Bob.Langer@xxxxxxxx> Cc: Liang Pan <Liang.Pan@xxxxxxxx> Cc: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx Cc: linux-kernel@xxxxxxxxxxxxxxx Cc: devicetree@xxxxxxxxxxxxxxx --- Changes since [v2]: - Drop pmic label - Rename phy -> ethernet-phy - Drop snvs_pwrkey configuration - Move snvs_rtc up, to keep things alphabetical - Rename debuggrp -> ledsgrp - Collected Reviewed-by from Fabio Changes since [v1]: - Added missing #address-cells and #size-cells - Replaced reset-gpio -> reset-gpios [v1] lore.kernel.org/r/20190614080317.16850-1-andrew.smirnov@xxxxxxxxx [v2] lore.kernel.org/r/20190617153025.12120-1-andrew.smirnov@xxxxxxxxx arch/arm/boot/dts/Makefile | 1 + arch/arm/boot/dts/imx7d-zii-rmu2.dts | 357 +++++++++++++++++++++++++++ 2 files changed, 358 insertions(+) create mode 100644 arch/arm/boot/dts/imx7d-zii-rmu2.dts diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile index 5559028b770e..516e2912236d 100644 --- a/arch/arm/boot/dts/Makefile +++ b/arch/arm/boot/dts/Makefile @@ -593,6 +593,7 @@ dtb-$(CONFIG_SOC_IMX7D) += \ imx7d-sdb.dtb \ imx7d-sdb-reva.dtb \ imx7d-sdb-sht11.dtb \ + imx7d-zii-rmu2.dtb \ imx7d-zii-rpu2.dtb \ imx7s-colibri-eval-v3.dtb \ imx7s-mba7.dtb \ diff --git a/arch/arm/boot/dts/imx7d-zii-rmu2.dts b/arch/arm/boot/dts/imx7d-zii-rmu2.dts new file mode 100644 index 000000000000..2b8d6cc45a53 --- /dev/null +++ b/arch/arm/boot/dts/imx7d-zii-rmu2.dts @@ -0,0 +1,357 @@ +// SPDX-License-Identifier: (GPL-2.0 OR MIT) +/* + * Device tree file for ZII's RMU2 board + * + * RMU - Remote Modem Unit + * + * Copyright (C) 2019 Zodiac Inflight Innovations + */ + +/dts-v1/; +#include <dt-bindings/thermal/thermal.h> +#include "imx7d.dtsi" + +/ { + model = "ZII RMU2 Board"; + compatible = "zii,imx7d-rmu2", "fsl,imx7d"; + + chosen { + stdout-path = &uart2; + }; + + gpio-leds { + compatible = "gpio-leds"; + pinctrl-0 = <&pinctrl_leds_debug>; + pinctrl-names = "default"; + + debug { + label = "zii:green:debug1"; + gpios = <&gpio2 8 GPIO_ACTIVE_HIGH>; + linux,default-trigger = "heartbeat"; + }; + }; +}; + +&cpu0 { + arm-supply = <&sw1a_reg>; +}; + +&ecspi1 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_ecspi1>; + cs-gpios = <&gpio4 19 GPIO_ACTIVE_HIGH>; + status = "okay"; + + flash@0 { + compatible = "jedec,spi-nor"; + spi-max-frequency = <20000000>; + reg = <0>; + #address-cells = <1>; + #size-cells = <1>; + }; +}; + +&fec1 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_enet1>; + assigned-clocks = <&clks IMX7D_ENET1_TIME_ROOT_SRC>, + <&clks IMX7D_ENET1_TIME_ROOT_CLK>; + assigned-clock-parents = <&clks IMX7D_PLL_ENET_MAIN_100M_CLK>; + assigned-clock-rates = <0>, <100000000>; + phy-mode = "rgmii"; + phy-handle = <&fec1_phy>; + status = "okay"; + + mdio { + #address-cells = <1>; + #size-cells = <0>; + + fec1_phy: ethernet-phy@0 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_enet1_phy_reset>, + <&pinctrl_enet1_phy_interrupt>; + reg = <0>; + interrupt-parent = <&gpio1>; + interrupts = <2 IRQ_TYPE_LEVEL_LOW>; + reset-gpios = <&gpio5 11 GPIO_ACTIVE_LOW>; + }; + }; +}; + +&i2c1 { + clock-frequency = <100000>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_i2c1>; + status = "okay"; + + pmic@8 { + compatible = "fsl,pfuze3000"; + reg = <0x08>; + + regulators { + sw1a_reg: sw1a { + regulator-min-microvolt = <700000>; + regulator-max-microvolt = <3300000>; + regulator-boot-on; + regulator-always-on; + regulator-ramp-delay = <6250>; + }; + + sw1c_reg: sw1b { + regulator-min-microvolt = <700000>; + regulator-max-microvolt = <1475000>; + regulator-boot-on; + regulator-always-on; + regulator-ramp-delay = <6250>; + }; + + sw2_reg: sw2 { + regulator-min-microvolt = <1500000>; + regulator-max-microvolt = <1850000>; + regulator-boot-on; + regulator-always-on; + }; + + sw3a_reg: sw3 { + regulator-min-microvolt = <900000>; + regulator-max-microvolt = <1650000>; + regulator-boot-on; + regulator-always-on; + }; + + swbst_reg: swbst { + regulator-min-microvolt = <5000000>; + regulator-max-microvolt = <5150000>; + }; + + snvs_reg: vsnvs { + regulator-min-microvolt = <1000000>; + regulator-max-microvolt = <3000000>; + regulator-boot-on; + regulator-always-on; + }; + + vref_reg: vrefddr { + regulator-boot-on; + regulator-always-on; + }; + + vgen1_reg: vldo1 { + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <3300000>; + regulator-always-on; + }; + + vgen2_reg: vldo2 { + regulator-min-microvolt = <800000>; + regulator-max-microvolt = <1550000>; + regulator-always-on; + }; + + vgen3_reg: vccsd { + regulator-min-microvolt = <2850000>; + regulator-max-microvolt = <3300000>; + regulator-always-on; + }; + + vgen4_reg: v33 { + regulator-min-microvolt = <2850000>; + regulator-max-microvolt = <3300000>; + regulator-always-on; + }; + + vgen5_reg: vldo3 { + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <3300000>; + regulator-always-on; + }; + + vgen6_reg: vldo4 { + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <3300000>; + regulator-always-on; + }; + }; + }; + + eeprom@50 { + compatible = "atmel,24c04"; + reg = <0x50>; + }; + + eeprom@52 { + compatible = "atmel,24c04"; + reg = <0x52>; + }; +}; + +&snvs_rtc { + status = "disabled"; +}; + +&uart2 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_uart2>; + assigned-clocks = <&clks IMX7D_UART2_ROOT_SRC>; + assigned-clock-parents = <&clks IMX7D_OSC_24M_CLK>; + status = "okay"; +}; + +&uart4 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_uart4>; + assigned-clocks = <&clks IMX7D_UART4_ROOT_SRC>; + assigned-clock-parents = <&clks IMX7D_PLL_SYS_MAIN_240M_CLK>; + status = "okay"; + + rave-sp { + compatible = "zii,rave-sp-rdu2"; + current-speed = <1000000>; + #address-cells = <1>; + #size-cells = <1>; + + watchdog { + compatible = "zii,rave-sp-watchdog"; + }; + + eeprom@a3 { + compatible = "zii,rave-sp-eeprom"; + reg = <0xa3 0x4000>; + #address-cells = <1>; + #size-cells = <1>; + zii,eeprom-name = "main-eeprom"; + }; + }; +}; + +&usbotg2 { + dr_mode = "host"; + disable-over-current; + status = "okay"; +}; + +&usdhc1 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_usdhc1>; + bus-width = <4>; + no-1-8-v; + no-sdio; + keep-power-in-suspend; + status = "okay"; +}; + +&usdhc3 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_usdhc3>; + bus-width = <8>; + no-1-8-v; + non-removable; + no-sdio; + no-sd; + keep-power-in-suspend; + status = "okay"; +}; + +&wdog1 { + status = "disabled"; +}; + +&iomuxc { + pinctrl_ecspi1: ecspi1grp { + fsl,pins = < + MX7D_PAD_ECSPI1_SCLK__ECSPI1_SCLK 0x2 + MX7D_PAD_ECSPI1_MOSI__ECSPI1_MOSI 0x2 + MX7D_PAD_ECSPI1_MISO__ECSPI1_MISO 0x2 + MX7D_PAD_ECSPI1_SS0__GPIO4_IO19 0x59 + >; + }; + + pinctrl_enet1: enet1grp { + fsl,pins = < + MX7D_PAD_SD2_CD_B__ENET1_MDIO 0x3 + MX7D_PAD_SD2_WP__ENET1_MDC 0x3 + MX7D_PAD_ENET1_RGMII_TXC__ENET1_RGMII_TXC 0x1 + MX7D_PAD_ENET1_RGMII_TD0__ENET1_RGMII_TD0 0x1 + MX7D_PAD_ENET1_RGMII_TD1__ENET1_RGMII_TD1 0x1 + MX7D_PAD_ENET1_RGMII_TD2__ENET1_RGMII_TD2 0x1 + MX7D_PAD_ENET1_RGMII_TD3__ENET1_RGMII_TD3 0x1 + MX7D_PAD_ENET1_RGMII_TX_CTL__ENET1_RGMII_TX_CTL 0x1 + MX7D_PAD_ENET1_RGMII_RXC__ENET1_RGMII_RXC 0x1 + MX7D_PAD_ENET1_RGMII_RD0__ENET1_RGMII_RD0 0x1 + MX7D_PAD_ENET1_RGMII_RD1__ENET1_RGMII_RD1 0x1 + MX7D_PAD_ENET1_RGMII_RD2__ENET1_RGMII_RD2 0x1 + MX7D_PAD_ENET1_RGMII_RD3__ENET1_RGMII_RD3 0x1 + MX7D_PAD_ENET1_RGMII_RX_CTL__ENET1_RGMII_RX_CTL 0x1 + >; + }; + + pinctrl_enet1_phy_reset: enet1phyresetgrp { + fsl,pins = < + MX7D_PAD_SD2_RESET_B__GPIO5_IO11 0x14 + + >; + }; + + pinctrl_i2c1: i2c1grp { + fsl,pins = < + MX7D_PAD_I2C1_SDA__I2C1_SDA 0x4000007f + MX7D_PAD_I2C1_SCL__I2C1_SCL 0x4000007f + >; + }; + + pinctrl_leds_debug: ledsgrp { + fsl,pins = < + MX7D_PAD_EPDC_DATA08__GPIO2_IO8 0x59 + >; + }; + + + pinctrl_uart2: uart2grp { + fsl,pins = < + MX7D_PAD_UART2_RX_DATA__UART2_DCE_RX 0x79 + MX7D_PAD_UART2_TX_DATA__UART2_DCE_TX 0x79 + >; + }; + + pinctrl_uart4: uart4grp { + fsl,pins = < + MX7D_PAD_SD2_DATA0__UART4_DCE_RX 0x79 + MX7D_PAD_SD2_DATA1__UART4_DCE_TX 0x79 + >; + }; + + pinctrl_usdhc1: usdhc1grp { + fsl,pins = < + MX7D_PAD_SD1_CMD__SD1_CMD 0x59 + MX7D_PAD_SD1_CLK__SD1_CLK 0x19 + MX7D_PAD_SD1_DATA0__SD1_DATA0 0x59 + MX7D_PAD_SD1_DATA1__SD1_DATA1 0x59 + MX7D_PAD_SD1_DATA2__SD1_DATA2 0x59 + MX7D_PAD_SD1_DATA3__SD1_DATA3 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_RESET_B__SD3_RESET_B 0x59 + >; + }; +}; + +&iomuxc_lpsr { + pinctrl_enet1_phy_interrupt: enet1phyinterruptgrp { + fsl,phy = < + MX7D_PAD_LPSR_GPIO1_IO02__GPIO1_IO2 0x08 + >; + }; +}; -- 2.21.0