Signed-off-by: Graeme Smecher <gsmecher@xxxxxxxxxxxxxxxxxxx> --- arch/arm/boot/dts/Makefile | 1 + arch/arm/boot/dts/am3874-iceboard.dts | 536 ++++++++++++++++++++++++++ 2 files changed, 537 insertions(+) create mode 100644 arch/arm/boot/dts/am3874-iceboard.dts diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile index b0e966d625b9..6e85bdeeb839 100644 --- a/arch/arm/boot/dts/Makefile +++ b/arch/arm/boot/dts/Makefile @@ -690,6 +690,7 @@ dtb-$(CONFIG_ARCH_OMAP3) += \ omap3-thunder.dtb \ omap3-zoom3.dtb dtb-$(CONFIG_SOC_TI81XX) += \ + am3874-iceboard.dtb \ dm8148-evm.dtb \ dm8148-t410.dtb \ dm8168-evm.dtb \ diff --git a/arch/arm/boot/dts/am3874-iceboard.dts b/arch/arm/boot/dts/am3874-iceboard.dts new file mode 100644 index 000000000000..32114cfe2a95 --- /dev/null +++ b/arch/arm/boot/dts/am3874-iceboard.dts @@ -0,0 +1,536 @@ +/* + * Copyright (C) 2019 Three-Speed Logic, Inc - http://www.threespeedlogic.com + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ +/dts-v1/; + +/* + * Winterland IceBoard + * + * http://mcgillcosmology.com + * http://threespeedlogic.com + * + * This is an ARM + FPGA instrumentation board used at telescopes in + * Antarctica (the South Pole Telescope), Chile (POLARBEAR), and at the DRAO + * observatory in British Columbia (CHIME). + */ +#include "dm814x.dtsi" +#include <dt-bindings/interrupt-controller/irq.h> + +/ { + model = "Winterland IceBoard"; + compatible = "winterland,iceboard", "ti,dm8148", "ti,dm814"; + + memory@80000000 { + device_type = "memory"; + reg = <0x80000000 0x40000000>; /* 1 GB */ + }; + + vmmcsd_fixed: fixedregulator0 { + compatible = "regulator-fixed"; + regulator-name = "vmmcsd_fixed"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + regulator-always-on; + }; +}; + +/* The MAC provides internal delay for the transmit path ONLY, which is enabled + * provided no -id/-txid/-rxid suffix is provided to "phy-mode". + * + * The receive path is delayed at the PHY. The recommended register settings are + * 0xf0 for the control bits, and 0x7777 for the data bits. However, the conversion + * code in the kernel lies: the PHY's registers are 120 ps per tap, and the kernel + * assumes 200 ps per tap. So we have fudged the numbers here to obtain the correct + * register settings. + */ +&mac { dual_emac = <1>; }; +&cpsw_emac0 { + phy-handle = <ðphy0>; + phy-mode = "rgmii"; + dual_emac_res_vlan = <1>; +}; +&cpsw_emac1 { + phy-handle = <ðphy1>; + phy-mode = "rgmii"; + dual_emac_res_vlan = <2>; +}; + +&davinci_mdio { + ethphy0: ethernet-phy@0 { + reg = <0x2>; + + rxc-skew-ps = <3000>; + rxdv-skew-ps = <0>; + + rxd3-skew-ps = <0>; + rxd2-skew-ps = <0>; + rxd1-skew-ps = <0>; + rxd0-skew-ps = <0>; + + phy-reset-gpios = <&gpio2 8 GPIO_ACTIVE_LOW>; + }; + + ethphy1: ethernet-phy@1 { + reg = <0x1>; + + rxc-skew-ps = <3000>; + rxdv-skew-ps = <0>; + + rxd3-skew-ps = <0>; + rxd2-skew-ps = <0>; + rxd1-skew-ps = <0>; + rxd0-skew-ps = <0>; + + phy-reset-gpios = <&gpio2 1 GPIO_ACTIVE_LOW>; + }; +}; + +&mmc1 { status = "disabled"; }; +&mmc2 { + pinctrl-names = "default"; + pinctrl-0 = <&mmc2_pins>; + vmmc-supply = <&vmmcsd_fixed>; + bus-width = <4>; + /*cd-gpios = <&gpio2 6 0>; + wp-gpios = <&gpio2 3 0>;*/ +}; +&mmc3 { status = "disabled"; }; + +&i2c1 { + /* Most I2C activity happens through this port, with the sole exception + * of the backplane. Since there are multiply assigned addresses, the + * "i2c-mux-idle-disconnect" is important. */ + + pca9548@70 { + compatible = "nxp,pca9548"; + reg = <0x70>; + #address-cells = <1>; + #size-cells = <0>; + + i2c@0 { + /* FMC A */ + #address-cells = <1>; + #size-cells = <0>; + reg = <0>; + i2c-mux-idle-disconnect; + }; + + i2c@1 { + /* FMC B */ + #address-cells = <1>; + #size-cells = <0>; + reg = <1>; + i2c-mux-idle-disconnect; + }; + + i2c@2 { + /* QSFP A */ + #address-cells = <1>; + #size-cells = <0>; + reg = <2>; + i2c-mux-idle-disconnect; + }; + + i2c@3 { + /* QSFP B */ + #address-cells = <1>; + #size-cells = <0>; + reg = <3>; + i2c-mux-idle-disconnect; + }; + + i2c@4 { + /* SFP */ + #address-cells = <1>; + #size-cells = <0>; + reg = <4>; + i2c-mux-idle-disconnect; + }; + + i2c@5 { + #address-cells = <1>; + #size-cells = <0>; + reg = <5>; + i2c-mux-idle-disconnect; + + ina230@40 { compatible = "ti,ina230"; reg = <0x40>; shunt-resistor = <5000>; }; + ina230@41 { compatible = "ti,ina230"; reg = <0x41>; shunt-resistor = <5000>; }; + ina230@42 { compatible = "ti,ina230"; reg = <0x42>; shunt-resistor = <5000>; }; + + ina230@44 { compatible = "ti,ina230"; reg = <0x44>; shunt-resistor = <5000>; }; + ina230@45 { compatible = "ti,ina230"; reg = <0x45>; shunt-resistor = <5000>; }; + ina230@46 { compatible = "ti,ina230"; reg = <0x46>; shunt-resistor = <5000>; }; + + ina230@47 { compatible = "ti,ina230"; reg = <0x47>; shunt-resistor = <5500>; }; + ina230@48 { compatible = "ti,ina230"; reg = <0x48>; shunt-resistor = <2360>; }; + ina230@49 { compatible = "ti,ina230"; reg = <0x49>; shunt-resistor = <2360>; }; + ina230@43 { compatible = "ti,ina230"; reg = <0x43>; shunt-resistor = <2360>; }; + ina230@4b { compatible = "ti,ina230"; reg = <0x4b>; shunt-resistor = <5500>; }; + ina230@4c { compatible = "ti,ina230"; reg = <0x4c>; shunt-resistor = <2360>; }; + ina230@4d { compatible = "ti,ina230"; reg = <0x4d>; shunt-resistor = <770>; }; + ina230@4e { compatible = "ti,ina230"; reg = <0x4e>; shunt-resistor = <770>; }; + ina230@4f { compatible = "ti,ina230"; reg = <0x4f>; shunt-resistor = <770>; }; + }; + + i2c@6 { + /* Backplane */ + #address-cells = <1>; + #size-cells = <0>; + reg = <6>; + i2c-mux-idle-disconnect; + }; + + i2c@7 { + #address-cells = <1>; + #size-cells = <0>; + reg = <7>; + i2c-mux-idle-disconnect; + + u41: pca9575@20 { + compatible = "nxp,pca9575"; + reg = <0x20>; + gpio-controller; + #gpio-cells = <2>; + + gpio-line-names = + "FMCA_EN_12V0", "FMCA_EN_3V3", "FMCA_EN_VADJ", "FMCA_PG_M2C", + "FMCA_PG_C2M", "FMCA_PRSNT_M2C_L", "FMCA_CLK_DIR", "SFP_LOS", + "FMCB_EN_12V0", "FMCB_EN_3V3", "FMCB_EN_VADJ", "FMCB_PG_M2C", + "FMCB_PG_C2M", "FMCB_PRSNT_M2C_L", "FMCB_CLK_DIR", "SFP_ModPrsL"; + reset_gpios = <&gpio2 11 GPIO_ACTIVE_LOW>; + }; + + u42: pca9575@21 { + compatible = "nxp,pca9575"; + reg = <0x21>; + gpio-controller; + #gpio-cells = <2>; + gpio-line-names = + "QSFPA_ModPrsL", "QSFPA_IntL", "QSFPA_ResetL", "QSFPA_ModSelL", + "QSFPA_LPMode", "QSFPB_ModPrsL", "QSFPB_IntL", "QSFPB_ResetL", + "SFP_TxFault", "SFP_TxDisable", "SFP_RS0", "SFP_RS1", + "QSFPB_ModSelL", "QSFPB_LPMode", "SEL_SFP", "ARM_MR"; + reset_gpios = <&gpio2 11 GPIO_ACTIVE_LOW>; + }; + + u48: pca9575@22 { + compatible = "nxp,pca9575"; + reg=<0x22>; + gpio-controller; + #gpio-cells = <2>; + + sw-gpios = <&u48 0 0>, <&u48 1 0>, <&u48 2 0>, <&u48 3 0>, + <&u48 4 0>, <&u48 5 0>, <&u48 6 0>, <&u48 7 0>; + led-gpios = <&u48 7 0>, <&u48 6 0>, <&u48 5 0>, <&u48 4 0>, + <&u48 3 0>, <&u48 2 0>, <&u48 1 0>, <&u48 0 0>; + + gpio-line-names = + "GP_SW1", "GP_SW2", "GP_SW3", "GP_SW4", + "GP_SW5", "GP_SW6", "GP_SW7", "GP_SW8", + "GP_LED8", "GP_LED7", "GP_LED6", "GP_LED5", + "GP_LED4", "GP_LED3", "GP_LED2", "GP_LED1"; + reset_gpios = <&gpio2 11 GPIO_ACTIVE_LOW>; + }; + + u59: pca9575@23 { + compatible = "nxp,pca9575"; + reg=<0x23>; + gpio-controller; + #gpio-cells = <2>; + gpio-line-names = + "GP_LED9", "GP_LED10", "GP_LED11", "GP_LED12", + "GTX1V8PowerFault", "PHYAPowerFault", "PHYBPowerFault", "ArmPowerFault", + "BP_SLOW_GPIO0", "BP_SLOW_GPIO1", "BP_SLOW_GPIO2", "BP_SLOW_GPIO3", + "BP_SLOW_GPIO4", "BP_SLOW_GPIO5", "__unused_u59_p16", "__unused_u59_p17"; + reset_gpios = <&gpio2 11 GPIO_ACTIVE_LOW>; + }; + + tmp100@48 { compatible = "ti,tmp100"; reg = <0x48>; }; + tmp100@4a { compatible = "ti,tmp100"; reg = <0x4a>; }; + tmp100@4b { compatible = "ti,tmp100"; reg = <0x4b>; }; + tmp100@4c { compatible = "ti,tmp100"; reg = <0x4c>; }; + + /* EEPROM bank and serial number are treated as separate devices */ + at24c01@57 { compatible = "atmel,24c01"; reg = <0x57>; }; + at24cs01@5f { compatible = "atmel,24cs01"; reg = <0x5f>; }; + }; + }; +}; + +&i2c2 { + pca9548@71 { + compatible = "nxp,pca9548"; + reg = <0x71>; + #address-cells = <1>; + #size-cells = <0>; + i2c-mux-idle-disconnect; + + i2c@6 { + /* Backplane */ + #address-cells = <1>; + #size-cells = <0>; + reg = <6>; + i2c-mux-idle-disconnect; + multi-master; + + /* All backplanes should have this -- it's how we know they're there. */ + at24c08@54 { compatible="atmel,24c08"; reg=<0x54>; }; + at24cs08@5c { compatible="atmel,24cs08"; reg=<0x5c>; }; + + /* 16 slot backplane */ + tmp421@4d { compatible="ti,tmp421"; reg=<0x4d>; }; + tmp421@4e { compatible="ti,tmp421"; reg=<0x4e>; }; + ina230@40 { compatible = "ti,ina230"; reg = <0x40>; shunt-resistor = <2360>; }; + amc6821@18 { compatible = "ti,amc6821"; reg = <0x18>; }; + + /* Single slot backplane */ + }; + }; +}; + +&pincntl { + mmc2_pins: pinmux_mmc2_pins { + pinctrl-single,pins = < + DM814X_IOPAD(0x0800, PIN_INPUT | 0x1) /* SD1_CLK */ + DM814X_IOPAD(0x0804, PIN_INPUT_PULLUP | 0x1) /* SD1_CMD */ + DM814X_IOPAD(0x0808, PIN_INPUT_PULLUP | 0x1) /* SD1_DAT[0] */ + DM814X_IOPAD(0x080c, PIN_INPUT_PULLUP | 0x1) /* SD1_DAT[1] */ + DM814X_IOPAD(0x0810, PIN_INPUT_PULLUP | 0x1) /* SD1_DAT[2] */ + DM814X_IOPAD(0x0814, PIN_INPUT_PULLUP | 0x1) /* SD1_DAT[3] */ + DM814X_IOPAD(0x0924, PIN_INPUT_PULLUP | 0x40) /* SD1_POW */ + DM814X_IOPAD(0x0928, PIN_INPUT | 0x40) /* SD1_SDWP */ + DM814X_IOPAD(0x093C, PIN_INPUT | 0x2) /* SD1_SDCD */ + >; + }; + + usb0_pins: pinmux_usb0_pins { + pinctrl-single,pins = < + DM814X_IOPAD(0x0c34, PIN_OUTPUT | 0x1) /* USB0_DRVVBUS */ + >; + }; + + usb1_pins: pinmux_usb1_pins { + pinctrl-single,pins = < + DM814X_IOPAD(0x0834, PIN_OUTPUT | 0x80) /* USB1_DRVVBUS */ + >; + }; + + gpio1_pins: pinmux_gpio1_pins { + pinctrl-single,pins = < + DM814X_IOPAD(0x081c, PIN_OUTPUT | 0x80) /* PROGRAM_B */ + DM814X_IOPAD(0x0820, PIN_INPUT | 0x80) /* INIT_B */ + DM814X_IOPAD(0x0824, PIN_INPUT | 0x80) /* DONE */ + + DM814X_IOPAD(0x0838, PIN_INPUT_PULLUP | 0x80) /* FMCA_TMS */ + DM814X_IOPAD(0x083c, PIN_INPUT_PULLUP | 0x80) /* FMCA_TCK */ + DM814X_IOPAD(0x0898, PIN_INPUT_PULLUP | 0x80) /* FMCA_TDO */ + DM814X_IOPAD(0x089c, PIN_INPUT_PULLUP | 0x80) /* FMCA_TDI */ + DM814X_IOPAD(0x08ac, PIN_INPUT_PULLUP | 0x80) /* FMCA_TRST */ + + DM814X_IOPAD(0x08b0, PIN_INPUT_PULLUP | 0x80) /* FMCB_TMS */ + DM814X_IOPAD(0x0a88, PIN_INPUT_PULLUP | 0x80) /* FMCB_TCK */ + DM814X_IOPAD(0x0a8c, PIN_INPUT_PULLUP | 0x80) /* FMCB_TDO */ + DM814X_IOPAD(0x08bc, PIN_INPUT_PULLUP | 0x80) /* FMCB_TDI */ + DM814X_IOPAD(0x0a94, PIN_INPUT_PULLUP | 0x80) /* FMCB_TRST */ + + DM814X_IOPAD(0x08d4, PIN_INPUT_PULLUP | 0x80) /* FPGA_TMS */ + DM814X_IOPAD(0x0aa8, PIN_INPUT_PULLUP | 0x80) /* FPGA_TCK */ + DM814X_IOPAD(0x0adc, PIN_INPUT_PULLUP | 0x80) /* FPGA_TDO */ + DM814X_IOPAD(0x0ab0, PIN_INPUT_PULLUP | 0x80) /* FPGA_TDI */ + >; + }; + + gpio2_pins: pinmux_gpio2_pins { + pinctrl-single,pins = < + DM814X_IOPAD(0x090c, PIN_INPUT_PULLUP | 0x80) /* PHY A IRQ */ + DM814X_IOPAD(0x0910, PIN_INPUT_PULLUP | 0x80) /* PHY A RESET */ + DM814X_IOPAD(0x08f4, PIN_INPUT_PULLUP | 0x80) /* PHY B IRQ */ + DM814X_IOPAD(0x08f8, PIN_INPUT_PULLUP | 0x80) /* PHY B RESET */ + + //DM814X_IOPAD(0x0a14, PIN_INPUT_PULLUP | 0x80) /* ARM IRQ */ + //DM814X_IOPAD(0x0900, PIN_INPUT | 0x80) /* GPIO IRQ */ + DM814X_IOPAD(0x0a2c, PIN_INPUT_PULLUP | 0x80) /* GPIO RESET */ + >; + }; + +#if 0 + gpio3_pins: pinmux_gpio3_pins { + pinctrl-single,pins = < + DM814X_IOPAD(0x0a20, PIN_INPUT | 0x80) /* ARMClkSel0 */ + DM814X_IOPAD(0x0a34, PIN_INPUT | 0x80) /* ARMClkSel1 */ + DM814X_IOPAD(0x0a28, PIN_INPUT | 0x80) /* EnFPGARef */ + >; + }; +#endif + + gpio4_pins: pinmux_gpio4_pins { + pinctrl-single,pins = < + /* The PLL doesn't react well to the SPI controller reset, so + * we force the CS lines to pull up as GPIOs until we're ready. + * See https://e2e.ti.com/support/processors/f/791/t/276011?Linux-support-for-AM3874-DM8148-in-Arago-linux-omap3 */ + DM814X_IOPAD(0x0b3c, PIN_INPUT_PULLUP | 0x80) /* BP_ARM_GPIO0 */ + DM814X_IOPAD(0x0b40, PIN_INPUT_PULLUP | 0x80) /* BP_ARM_GPIO1 */ + DM814X_IOPAD(0x0b44, PIN_INPUT_PULLUP | 0x80) /* BP_ARM_GPIO2 */ + DM814X_IOPAD(0x0b48, PIN_INPUT_PULLUP | 0x80) /* BP_ARM_GPIO3 */ + DM814X_IOPAD(0x0b4c, PIN_INPUT_PULLUP | 0x80) /* BP_ARM_GPIO4 */ + DM814X_IOPAD(0x0b50, PIN_INPUT_PULLUP | 0x80) /* BP_ARM_GPIO5 */ + >; + }; + + spi2_pins: pinmux_spi2_pins { + pinctrl-single,pins = < + DM814X_IOPAD(0x0950, PIN_INPUT_PULLUP | 0x80) /* PLL SPI CS1 as GPIO */ + DM814X_IOPAD(0x0818, PIN_INPUT_PULLUP | 0x80) /* PLL SPI CS2 as GPIO */ + >; + }; + + spi4_pins: pinmux_spi4_pins { + pinctrl-single,pins = < + DM814X_IOPAD(0x0b78, 0x20) + DM814X_IOPAD(0x0b80, 0x20) + DM814X_IOPAD(0x0b7c, 0x20) + DM814X_IOPAD(0x0a7c, 0x20) + DM814X_IOPAD(0x0b74, 0x20) + >; + }; +}; + +&gpio1 { + pinctrl-names = "default"; + pinctrl-0 = <&gpio1_pins>; + gpio-line-names = + "", "PROGRAM_B", "INIT_B", "DONE", /* 0-3 */ + "", "", "", "", /* 4-7 */ + "FMCA_TMS", "FMCA_TCK", "FMCA_TDO", "FMCA_TDI", /* 8-11 */ + "", "", "", "FMCA_TRST", /* 12-15 */ + "FMCB_TMS", "FMCB_TCK", "FMCB_TDO", "FMCB_TDI", /* 16-19 */ + "FMCB_TRST", "", "", "", /* 20-23 */ + "FPGA_TMS", "FPGA_TCK", "FPGA_TDO", "FPGA_TDI", /* 24-27 */ + "", "", "", ""; /* 28-31 */ +}; + +&gpio2 { + pinctrl-names = "default"; + pinctrl-0 = <&gpio2_pins>; + gpio-line-names = + "PHYA_IRQ_N", "PHYA_RESET_N", "", "", /* 0-3 */ + "", "", "", "PHYB_IRQ_N", /* 4-7 */ + "PHYB_RESET_N", "ARM_IRQ", "GPIO_IRQ", ""; /* 8-11 */ +}; + +&gpio3 { + pinctrl-names = "default"; + /*pinctrl-0 = <&gpio3_pins>;*/ + gpio-line-names = + "", "", "ARMClkSel0", "", /* 0-3 */ + "EnFPGARef", "", "", "ARMClkSel1"; /* 4-7 */ +}; + +&gpio4 { + pinctrl-names = "default"; + pinctrl-0 = <&gpio4_pins>; + gpio-line-names = + "BP_ARM_GPIO0", "BP_ARM_GPIO1", "BP_ARM_GPIO2", "BP_ARM_GPIO3", + "BP_ARM_GPIO4", "BP_ARM_GPIO5"; +}; + +&usb0 { + pinctrl-names = "default"; + pinctrl-0 = <&usb0_pins>; + dr_mode = "host"; +}; + +&usb1 { + pinctrl-names = "default"; + pinctrl-0 = <&usb1_pins>; + dr_mode = "host"; +}; + +&mcspi1 { + s25fl256@0 { + #address-cells = <1>; + #size-cells = <1>; + compatible = "spansion,s25fl256s0", "jedec,spi-nor"; + reg = <0>; + spi-max-frequency = <40000000>; + + fsbl@0 { + /* 256 kB */ + label = "U-Boot-min"; + reg = <0 0x40000>; + }; + ssbl@1 { + /* 512 kB */ + label = "U-Boot"; + reg = <0x40000 0x80000>; + }; + bootenv@2 { + /* 256 kB */ + label = "U-Boot Env"; + reg = <0xc0000 0x40000>; + }; + kernel@3 { + /* 4 MB */ + label = "Kernel"; + reg = <0x100000 0x400000>; + }; + ipmi@4 { + label = "IPMI FRU"; + reg = <0x500000 0x40000>; + }; + fs@5 { + label = "File System"; + reg = <0x540000 0x1ac0000>; + }; + }; +}; + +&mcspi2 { + /* FIXME: this causes a board hang. + pinctrl-0 = <&spi2_pins>; + pll@0 { + compatible = "linux,spidev"; + spi-max-frequency = <16000000>; + reg = <0>; + }; + pll@1 { + compatible = "linux,spidev"; + spi-max-frequency = <16000000>; + reg = <1>; + };*/ +}; + +&mcspi3 { + /* DMA event numbers stolen from MCASP */ + dmas = <&edma_xbar 8 0 16 &edma_xbar 9 0 17 + &edma_xbar 10 0 18 &edma_xbar 11 0 19>; + dma-names = "tx0", "rx0", "tx1", "rx1"; +}; + +&mcspi4 { + pinctrl-names = "default"; + pinctrl-0 = <&spi4_pins>; + + /* DMA event numbers stolen from MCASP, MCBSP */ + dmas = <&edma_xbar 12 0 20 &edma_xbar 13 0 21>; + dma-names = "tx0", "rx0"; + + /* FIXME: this has MISO and MOSI swapped and won't work until we teach + * the driver about it. See ti,pindir-d0-out-d1-in, but this needs to be + * at a per-peripheral level. */ + /*flash@0 { + compatible = "spansion,s25fl256s0", "jedec,spi-nor"; + spi-max-frequency = <75000000>; + reg = <0>; + };*/ + + fpga@1 { + compatible = "linux,spidev"; + spi-max-frequency = <75000000>; + reg = <1>; + }; +}; -- 2.19.2
