From: Richard Hu <richard.hu@xxxxxxxxxxxxxx> The current level of support yields a working console and is able to boot userspace from an initial ramdisk copied via u-boot in RAM. Additional subsystems that are active : - Ethernet - USB Cc: Daniel Baluta <daniel.baluta@xxxxxxx> Signed-off-by: Richard Hu <richard.hu@xxxxxxxxxxxxxx> Signed-off-by: Andra Danciu <andradanciu1997@xxxxxxxxx> --- I am using pico-pi-8mxm board to work on my project for Google Summer of Code. This is based on patches from https://github.com/wandboard-org. arch/arm64/boot/dts/freescale/Makefile | 1 + arch/arm64/boot/dts/freescale/wand-pi-8m.dts | 590 +++++++++++++++++++++++++++ 2 files changed, 591 insertions(+) create mode 100644 arch/arm64/boot/dts/freescale/wand-pi-8m.dts diff --git a/arch/arm64/boot/dts/freescale/Makefile b/arch/arm64/boot/dts/freescale/Makefile index 984554343c83..5904d6a8a033 100644 --- a/arch/arm64/boot/dts/freescale/Makefile +++ b/arch/arm64/boot/dts/freescale/Makefile @@ -23,3 +23,4 @@ dtb-$(CONFIG_ARCH_LAYERSCAPE) += fsl-lx2160a-rdb.dtb dtb-$(CONFIG_ARCH_MXC) += imx8mm-evk.dtb dtb-$(CONFIG_ARCH_MXC) += imx8mq-evk.dtb dtb-$(CONFIG_ARCH_MXC) += imx8qxp-mek.dtb +dtb-$(CONFIG_ARCH_MXC) += wand-pi-8m.dtb diff --git a/arch/arm64/boot/dts/freescale/wand-pi-8m.dts b/arch/arm64/boot/dts/freescale/wand-pi-8m.dts new file mode 100644 index 000000000000..9f7121014722 --- /dev/null +++ b/arch/arm64/boot/dts/freescale/wand-pi-8m.dts @@ -0,0 +1,590 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright 2018 Wandboard, Org. + * Copyright 2017 NXP + * + * Author: Richard Hu <hakahu@xxxxxxxxx> + */ + +/dts-v1/; + +#include "imx8mq.dtsi" + +/ { + model = "WAND-PI-8M"; + compatible = "wand,imx8mq-wand-pi", "fsl,imx8mq"; + + chosen { + bootargs = "console=ttymxc0,115200 earlycon=ec_imx6q,0x30860000,115200"; + stdout-path = &uart1; + }; + + regulators { + compatible = "simple-bus"; + #address-cells = <1>; + #size-cells = <0>; + + reg_usb_otg_vbus: usb_otg_vbus { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_otg_vbus>; + compatible = "regulator-fixed"; + regulator-name = "usb_otg_vbus"; + regulator-min-microvolt = <5000000>; + regulator-max-microvolt = <5000000>; + gpio = <&gpio3 14 GPIO_ACTIVE_LOW>; + }; + }; + + regulator-virtuals { + compatible = "simple-bus"; + + virt-buck1 { + compatible = "regulator-virtual"; + virtual-supply = "buck1"; + }; + virt-buck2 { + compatible = "regulator-virtual"; + virtual-supply = "buck2"; + }; + virt-buck3 { + compatible = "regulator-virtual"; + virtual-supply = "buck3"; + }; + virt-buck4 { + compatible = "regulator-virtual"; + virtual-supply = "buck4"; + }; + virt-buck5 { + compatible = "regulator-virtual"; + virtual-supply = "buck5"; + }; + virt-buck6 { + compatible = "regulator-virtual"; + virtual-supply = "buck6"; + }; + virt-buck7 { + compatible = "regulator-virtual"; + virtual-supply = "buck7"; + }; + virt-buck8 { + compatible = "regulator-virtual"; + virtual-supply = "buck8"; + }; + virt-ldo1 { + compatible = "regulator-virtual"; + virtual-supply = "ldo1"; + }; + virt-ldo2 { + compatible = "regulator-virtual"; + virtual-supply = "ldo2"; + }; + virt-ldo3 { + compatible = "regulator-virtual"; + virtual-supply = "ldo3"; + }; + virt-ldo4 { + compatible = "regulator-virtual"; + virtual-supply = "ldo4"; + }; + virt-ldo5 { + compatible = "regulator-virtual"; + virtual-supply = "ldo5"; + }; + virt-ldo6 { + compatible = "regulator-virtual"; + virtual-supply = "ldo6"; + }; + virt-ldo7 { + compatible = "regulator-virtual"; + virtual-supply = "ldo7"; + }; + }; + + gpio-edm { + compatible = "gpio-edm"; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_wifi_ctrl>; + + gpio_wifi_wl_reg_on { + label = "WL_REG_ON"; + gpios = <&gpio3 0 GPIO_ACTIVE_LOW>; + dir = "out"; + }; + + gpio_wifi_pwr_en { + label = "WIFI_PWR_EN"; + gpios = <&gpio3 15 GPIO_ACTIVE_LOW>; + dir = "out"; + }; + }; +}; + +&iomuxc { + pinctrl-names = "default"; + + wand-pi-8m { + pinctrl_otg_vbus: otgvbusgrp { + fsl,pins = < + MX8MQ_IOMUXC_NAND_DQS_GPIO3_IO14 0x19 /* USB OTG VBUS Enable */ + >; + }; + + pinctrl_csi1: csi1grp { + fsl,pins = < + MX8MQ_IOMUXC_NAND_DATA01_GPIO3_IO7 0x19 /* CSI P1 PWDN */ + MX8MQ_IOMUXC_GPIO1_IO12_GPIO1_IO12 0x19 /* CSI nRST */ + MX8MQ_IOMUXC_GPIO1_IO15_CCMSRCGPCMIX_CLKO2 0x59 + >; + }; + + pinctrl_enet_3v3: enet3v3grp { + fsl,pins = < + MX8MQ_IOMUXC_GPIO1_IO00_GPIO1_IO0 0x19 + >; + }; + + pinctrl_fec1: fec1grp { + fsl,pins = < + MX8MQ_IOMUXC_ENET_MDC_ENET1_MDC 0x3 + MX8MQ_IOMUXC_ENET_MDIO_ENET1_MDIO 0x23 + MX8MQ_IOMUXC_ENET_TD3_ENET1_RGMII_TD3 0x1f + MX8MQ_IOMUXC_ENET_TD2_ENET1_RGMII_TD2 0x1f + MX8MQ_IOMUXC_ENET_TD1_ENET1_RGMII_TD1 0x1f + MX8MQ_IOMUXC_ENET_TD0_ENET1_RGMII_TD0 0x1f + MX8MQ_IOMUXC_ENET_RD3_ENET1_RGMII_RD3 0x91 + MX8MQ_IOMUXC_ENET_RD2_ENET1_RGMII_RD2 0x91 + MX8MQ_IOMUXC_ENET_RD1_ENET1_RGMII_RD1 0x91 + MX8MQ_IOMUXC_ENET_RD0_ENET1_RGMII_RD0 0x91 + MX8MQ_IOMUXC_ENET_TXC_ENET1_RGMII_TXC 0x1f + MX8MQ_IOMUXC_ENET_RXC_ENET1_RGMII_RXC 0x91 + MX8MQ_IOMUXC_ENET_RX_CTL_ENET1_RGMII_RX_CTL 0x91 + MX8MQ_IOMUXC_ENET_TX_CTL_ENET1_RGMII_TX_CTL 0x1f + MX8MQ_IOMUXC_GPIO1_IO09_GPIO1_IO9 0x19 + >; + }; + + pinctrl_i2c1: i2c1grp { + fsl,pins = < + MX8MQ_IOMUXC_I2C1_SCL_I2C1_SCL 0x4000007f + MX8MQ_IOMUXC_I2C1_SDA_I2C1_SDA 0x4000007f + >; + }; + + pinctrl_i2c2: i2c2grp { + fsl,pins = < + MX8MQ_IOMUXC_I2C2_SCL_I2C2_SCL 0x4000007f + MX8MQ_IOMUXC_I2C2_SDA_I2C2_SDA 0x4000007f + >; + }; + + pinctrl_uart1: uart1grp { + fsl,pins = < + MX8MQ_IOMUXC_UART1_RXD_UART1_DCE_RX 0x49 + MX8MQ_IOMUXC_UART1_TXD_UART1_DCE_TX 0x49 + >; + }; + + pinctrl_uart2: uart2grp { + fsl,pins = < + MX8MQ_IOMUXC_UART2_RXD_UART2_DCE_RX 0x49 + MX8MQ_IOMUXC_UART2_TXD_UART2_DCE_TX 0x49 + MX8MQ_IOMUXC_UART4_RXD_UART2_DCE_CTS_B 0x49 + MX8MQ_IOMUXC_UART4_TXD_UART2_DCE_RTS_B 0x49 + >; + }; + + pinctrl_usdhc1: usdhc1grp { + fsl,pins = < + MX8MQ_IOMUXC_SD1_CLK_USDHC1_CLK 0x83 + MX8MQ_IOMUXC_SD1_CMD_USDHC1_CMD 0xc3 + MX8MQ_IOMUXC_SD1_DATA0_USDHC1_DATA0 0xc3 + MX8MQ_IOMUXC_SD1_DATA1_USDHC1_DATA1 0xc3 + MX8MQ_IOMUXC_SD1_DATA2_USDHC1_DATA2 0xc3 + MX8MQ_IOMUXC_SD1_DATA3_USDHC1_DATA3 0xc3 + MX8MQ_IOMUXC_SD1_DATA4_USDHC1_DATA4 0xc3 + MX8MQ_IOMUXC_SD1_DATA5_USDHC1_DATA5 0xc3 + MX8MQ_IOMUXC_SD1_DATA6_USDHC1_DATA6 0xc3 + MX8MQ_IOMUXC_SD1_DATA7_USDHC1_DATA7 0xc3 + MX8MQ_IOMUXC_SD1_STROBE_USDHC1_STROBE 0x83 + >; + }; + + pinctrl_usdhc1_100mhz: usdhc1grp100mhz { + fsl,pins = < + MX8MQ_IOMUXC_SD1_CLK_USDHC1_CLK 0x85 + MX8MQ_IOMUXC_SD1_CMD_USDHC1_CMD 0xc5 + MX8MQ_IOMUXC_SD1_DATA0_USDHC1_DATA0 0xc5 + MX8MQ_IOMUXC_SD1_DATA1_USDHC1_DATA1 0xc5 + MX8MQ_IOMUXC_SD1_DATA2_USDHC1_DATA2 0xc5 + MX8MQ_IOMUXC_SD1_DATA3_USDHC1_DATA3 0xc5 + MX8MQ_IOMUXC_SD1_DATA4_USDHC1_DATA4 0xc5 + MX8MQ_IOMUXC_SD1_DATA5_USDHC1_DATA5 0xc5 + MX8MQ_IOMUXC_SD1_DATA6_USDHC1_DATA6 0xc5 + MX8MQ_IOMUXC_SD1_DATA7_USDHC1_DATA7 0xc5 + MX8MQ_IOMUXC_SD1_STROBE_USDHC1_STROBE 0x85 + >; + }; + + pinctrl_usdhc1_200mhz: usdhc1grp200mhz { + fsl,pins = < + MX8MQ_IOMUXC_SD1_CLK_USDHC1_CLK 0x87 + MX8MQ_IOMUXC_SD1_CMD_USDHC1_CMD 0xc7 + MX8MQ_IOMUXC_SD1_DATA0_USDHC1_DATA0 0xc7 + MX8MQ_IOMUXC_SD1_DATA1_USDHC1_DATA1 0xc7 + MX8MQ_IOMUXC_SD1_DATA2_USDHC1_DATA2 0xc7 + MX8MQ_IOMUXC_SD1_DATA3_USDHC1_DATA3 0xc7 + MX8MQ_IOMUXC_SD1_DATA4_USDHC1_DATA4 0xc7 + MX8MQ_IOMUXC_SD1_DATA5_USDHC1_DATA5 0xc7 + MX8MQ_IOMUXC_SD1_DATA6_USDHC1_DATA6 0xc7 + MX8MQ_IOMUXC_SD1_DATA7_USDHC1_DATA7 0xc7 + MX8MQ_IOMUXC_SD1_STROBE_USDHC1_STROBE 0x87 + >; + }; + + pinctrl_usdhc2_gpio: usdhc2grpgpio { + fsl,pins = < + MX8MQ_IOMUXC_SD2_CD_B_GPIO2_IO12 0x41 + >; + }; + + pinctrl_usdhc2: usdhc2grp { + fsl,pins = < + MX8MQ_IOMUXC_SD2_CLK_USDHC2_CLK 0x83 + MX8MQ_IOMUXC_SD2_CMD_USDHC2_CMD 0xc3 + MX8MQ_IOMUXC_SD2_DATA0_USDHC2_DATA0 0xc3 + MX8MQ_IOMUXC_SD2_DATA1_USDHC2_DATA1 0xc3 + MX8MQ_IOMUXC_SD2_DATA2_USDHC2_DATA2 0xc3 + MX8MQ_IOMUXC_SD2_DATA3_USDHC2_DATA3 0xc3 + MX8MQ_IOMUXC_GPIO1_IO04_USDHC2_VSELECT 0xc1 + >; + }; + + pinctrl_usdhc2_100mhz: usdhc2grp100mhz { + fsl,pins = < + MX8MQ_IOMUXC_SD2_CLK_USDHC2_CLK 0x85 + MX8MQ_IOMUXC_SD2_CMD_USDHC2_CMD 0xc5 + MX8MQ_IOMUXC_SD2_DATA0_USDHC2_DATA0 0xc5 + MX8MQ_IOMUXC_SD2_DATA1_USDHC2_DATA1 0xc5 + MX8MQ_IOMUXC_SD2_DATA2_USDHC2_DATA2 0xc5 + MX8MQ_IOMUXC_SD2_DATA3_USDHC2_DATA3 0xc5 + MX8MQ_IOMUXC_GPIO1_IO04_USDHC2_VSELECT 0xc1 + >; + }; + + pinctrl_usdhc2_200mhz: usdhc2grp200mhz { + fsl,pins = < + MX8MQ_IOMUXC_SD2_CLK_USDHC2_CLK 0x87 + MX8MQ_IOMUXC_SD2_CMD_USDHC2_CMD 0xc7 + MX8MQ_IOMUXC_SD2_DATA0_USDHC2_DATA0 0xc7 + MX8MQ_IOMUXC_SD2_DATA1_USDHC2_DATA1 0xc7 + MX8MQ_IOMUXC_SD2_DATA2_USDHC2_DATA2 0xc7 + MX8MQ_IOMUXC_SD2_DATA3_USDHC2_DATA3 0xc7 + MX8MQ_IOMUXC_GPIO1_IO04_USDHC2_VSELECT 0xc1 + >; + }; + + pinctrl_wdog: wdoggrp { + fsl,pins = < + MX8MQ_IOMUXC_GPIO1_IO02_WDOG1_WDOG_B 0xc6 + >; + }; + + pinctrl_pmic: pmicirq { + fsl,pins = < + MX8MQ_IOMUXC_GPIO1_IO03_GPIO1_IO3 0x41 + >; + }; + + pinctrl_wifi_ctrl: wifi_ctrlgrp { + fsl,pins = < + MX8MQ_IOMUXC_NAND_ALE_GPIO3_IO0 0x19 /* WL_REG_ON */ + MX8MQ_IOMUXC_NAND_RE_B_GPIO3_IO15 0x19 /* WIFI_PWR_EN */ + >; + }; + + pinctrl_tusb320_irq: tusb320_irqgrp { + fsl,pins = < + MX8MQ_IOMUXC_NAND_DATA00_GPIO3_IO6 0x41 + >; + }; + + pinctrl_typec_ss_sel: typec_ss_selgrp { + fsl,pins = < + MX8MQ_IOMUXC_NAND_CLE_GPIO3_IO5 0x19 + >; + }; + }; +}; + +&fec1 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_fec1 &pinctrl_enet_3v3>; + phy-mode = "rgmii-id"; + pinctrl-assert-gpios = <&gpio1 0 GPIO_ACTIVE_HIGH>; + phy-handle = <ðphy0>; + fsl,magic-packet; + status = "okay"; + + mdio { + #address-cells = <1>; + #size-cells = <0>; + + ethphy0: ethernet-phy@1 { + compatible = "ethernet-phy-ieee802.3-c22"; + reg = <1>; + at803x,led-act-blind-workaround; + at803x,eee-disabled; + }; + }; +}; + +&i2c1 { + clock-frequency = <100000>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_i2c1>; + status = "okay"; + + typec_tusb320:tusb320@47 { + compatible = "ti,tusb320"; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_tusb320_irq &pinctrl_typec_ss_sel>; + reg = <0x47>; + vbus-supply = <®_usb_otg_vbus>; + ss-sel-gpios = <&gpio3 5 GPIO_ACTIVE_HIGH>; + tusb320,int-gpio = <&gpio3 6 GPIO_ACTIVE_LOW>; + tusb320,select-mode = <0>; + tusb320,dfp-power = <0>; + }; + + pmic: bd71837@4b { + reg = <0x4b>; + compatible = "rohm,bd71837"; + /* PMIC BD71837 PMIC_nINT GPIO1_IO12 */ + pinctrl-0 = <&pinctrl_pmic>; + gpio_intr = <&gpio1 3 GPIO_ACTIVE_LOW>; + + bd71837,pmic-buck1-uses-i2c-dvs; + bd71837,pmic-buck1-dvs-voltage = <900000>, <850000>, <800000>; /* VDD_SOC: Run-Idle-Suspend */ + bd71837,pmic-buck2-uses-i2c-dvs; + bd71837,pmic-buck2-dvs-voltage = <1000000>, <900000>, <0>; /* VDD_ARM: Run-Idle */ + bd71837,pmic-buck3-uses-i2c-dvs; + bd71837,pmic-buck3-dvs-voltage = <1000000>, <0>, <0>; /* VDD_GPU: Run */ + bd71837,pmic-buck4-uses-i2c-dvs; + bd71837,pmic-buck4-dvs-voltage = <1000000>, <0>, <0>; /* VDD_VPU: Run */ + + gpo { + rohm,drv = <0x0C>; /* 0b0000_1100 all gpos with cmos output mode */ + }; + + regulators { + #address-cells = <1>; + #size-cells = <0>; + + buck1_reg: regulator@0 { + reg = <0>; + regulator-compatible = "buck1"; + regulator-min-microvolt = <700000>; + regulator-max-microvolt = <1300000>; + regulator-boot-on; + regulator-always-on; + regulator-ramp-delay = <1250>; + }; + + buck2_reg: regulator@1 { + reg = <1>; + regulator-compatible = "buck2"; + regulator-min-microvolt = <700000>; + regulator-max-microvolt = <1300000>; + regulator-boot-on; + regulator-always-on; + regulator-ramp-delay = <1250>; + }; + + buck3_reg: regulator@2 { + reg = <2>; + regulator-compatible = "buck3"; + regulator-min-microvolt = <700000>; + regulator-max-microvolt = <1300000>; + regulator-boot-on; + regulator-always-on; + }; + + buck4_reg: regulator@3 { + reg = <3>; + regulator-compatible = "buck4"; + regulator-min-microvolt = <700000>; + regulator-max-microvolt = <1300000>; + regulator-boot-on; + regulator-always-on; + }; + + buck5_reg: regulator@4 { + reg = <4>; + regulator-compatible = "buck5"; + regulator-min-microvolt = <700000>; + regulator-max-microvolt = <1350000>; + regulator-boot-on; + regulator-always-on; + }; + + buck6_reg: regulator@5 { + reg = <5>; + regulator-compatible = "buck6"; + regulator-min-microvolt = <3000000>; + regulator-max-microvolt = <3300000>; + regulator-boot-on; + regulator-always-on; + }; + + buck7_reg: regulator@6 { + reg = <6>; + regulator-compatible = "buck7"; + regulator-min-microvolt = <1605000>; + regulator-max-microvolt = <1995000>; + regulator-boot-on; + regulator-always-on; + }; + + buck8_reg: regulator@7 { + reg = <7>; + regulator-compatible = "buck8"; + regulator-min-microvolt = <800000>; + regulator-max-microvolt = <1400000>; + regulator-boot-on; + regulator-always-on; + }; + + ldo1_reg: regulator@8 { + reg = <8>; + regulator-compatible = "ldo1"; + regulator-min-microvolt = <3000000>; + regulator-max-microvolt = <3300000>; + regulator-boot-on; + regulator-always-on; + }; + + ldo2_reg: regulator@9 { + reg = <9>; + regulator-compatible = "ldo2"; + regulator-min-microvolt = <900000>; + regulator-max-microvolt = <900000>; + regulator-boot-on; + regulator-always-on; + }; + + ldo3_reg: regulator@10 { + reg = <10>; + regulator-compatible = "ldo3"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <3300000>; + regulator-boot-on; + regulator-always-on; + }; + + ldo4_reg: regulator@11 { + reg = <11>; + regulator-compatible = "ldo4"; + regulator-min-microvolt = <900000>; + regulator-max-microvolt = <1800000>; + regulator-boot-on; + regulator-always-on; + }; + + ldo5_reg: regulator@12 { + reg = <12>; + regulator-compatible = "ldo5"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <3300000>; + regulator-boot-on; + regulator-always-on; + }; + + ldo6_reg: regulator@13 { + reg = <13>; + regulator-compatible = "ldo6"; + regulator-min-microvolt = <900000>; + regulator-max-microvolt = <1800000>; + regulator-boot-on; + regulator-always-on; + }; + + ldo7_reg: regulator@14 { + reg = <14>; + regulator-compatible = "ldo7"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <3300000>; + regulator-boot-on; + regulator-always-on; + }; + }; + }; +}; + +&i2c2 { + clock-frequency = <100000>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_i2c2>; + status = "okay"; +}; + +&uart1 { /* console */ + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_uart1>; + status = "okay"; +}; + +&usdhc1 { + pinctrl-names = "default", "state_100mhz", "state_200mhz"; + pinctrl-0 = <&pinctrl_usdhc1>; + pinctrl-1 = <&pinctrl_usdhc1_100mhz>; + pinctrl-2 = <&pinctrl_usdhc1_200mhz>; + bus-width = <8>; + non-removable; + status = "okay"; +}; + +&usdhc2 { + pinctrl-names = "default", "state_100mhz", "state_200mhz"; + pinctrl-0 = <&pinctrl_usdhc2>, <&pinctrl_usdhc2_gpio>; + pinctrl-1 = <&pinctrl_usdhc2_100mhz>, <&pinctrl_usdhc2_gpio>; + pinctrl-2 = <&pinctrl_usdhc2_200mhz>, <&pinctrl_usdhc2_gpio>; + bus-width = <4>; + cd-gpios = <&gpio2 12 GPIO_ACTIVE_LOW>; + status = "okay"; +}; + +&usb3_phy0 { + status = "okay"; +}; + +&usb_dwc3_0 { + extcon = <&typec_tusb320>; + dr_mode = "otg"; + status = "okay"; +}; + +&usb3_phy1 { + status = "okay"; +}; + +&usb_dwc3_1 { + status = "okay"; + dr_mode = "host"; +}; + +&wdog1 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_wdog>; + fsl,ext-reset-output; + status = "okay"; +}; + +&A53_0 { + operating-points = < + /* kHz uV */ + 1500000 1000000 + 1300000 1000000 + 1000000 900000 + 800000 900000 + >; +}; -- 2.11.0
