NanoBone Specification: ----------------------- CPU: TI AM335x Memory: 256MB DDR3 128MB NOR flash 128KB FRAM Ethernet: 2 x 10/100 connected to SMSC LAN8710 PHY USB: 1 x USB2.0 Type A I2C: 2Kbit EEPROM (Microchip 24AA02) RTC (Maxim DS1338) GPIO Expander (Microchip MCP23017) Expansion connector: 6 x UART 1 x MMC/SD 1 x USB2.0 Signed-off-by: Mark Jackson <mpfj@xxxxxxxxxxxxx> Reviewed-by: Javier Martinez Canillas <javier.martinez@xxxxxxxxxxxxxxx> --- Changes in v2: - Reworked to use existing device nodes as suggested by Javier MAINTAINERS | 6 + arch/arm/boot/dts/Makefile | 1 + arch/arm/boot/dts/am335x-nano.dts | 401 +++++++++++++++++++++++++++++++++++++ 3 files changed, 408 insertions(+) create mode 100644 arch/arm/boot/dts/am335x-nano.dts diff --git a/MAINTAINERS b/MAINTAINERS index 9705318..7549e99 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -5998,6 +5998,12 @@ L: linux-omap@xxxxxxxxxxxxxxx S: Maintained F: drivers/gpio/gpio-omap.c +OMAP/NEWFLOW NANOBONE MACHINE SUPPORT +M: Mark Jackson <mpfj@xxxxxxxxxxxxx> +L: linux-omap@xxxxxxxxxxxxxxx +S: Maintained +F: arch/arm/boot/dts/am335x-nano.dts + OMFS FILESYSTEM M: Bob Copeland <me@xxxxxxxxxxxxxxx> L: linux-karma-devel@xxxxxxxxxxxxxxxxxxxxx diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile index 641b3c9..0d99a55 100644 --- a/arch/arm/boot/dts/Makefile +++ b/arch/arm/boot/dts/Makefile @@ -171,6 +171,7 @@ dtb-$(CONFIG_ARCH_OMAP2PLUS) += omap2420-h4.dtb \ am335x-evm.dtb \ am335x-evmsk.dtb \ am335x-bone.dtb \ + am335x-nano.dtb \ am3517-evm.dtb \ am3517_mt_ventoux.dtb \ am43x-epos-evm.dtb diff --git a/arch/arm/boot/dts/am335x-nano.dts b/arch/arm/boot/dts/am335x-nano.dts new file mode 100644 index 0000000..a8014ee --- /dev/null +++ b/arch/arm/boot/dts/am335x-nano.dts @@ -0,0 +1,401 @@ +/* + * Copyright (C) 2013 Newflow Ltd - http://www.newflow.co.uk/ + * + * 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/; + +#include "am33xx.dtsi" + +/ { + model = "Newflow AM335x NanoBone"; + compatible = "ti,am33xx"; + + cpus { + cpu@0 { + cpu0-supply = <&dcdc2_reg>; + }; + }; + + memory { + device_type = "memory"; + reg = <0x80000000 0x10000000>; /* 256 MB */ + }; + + leds { + compatible = "gpio-leds"; + + led@0 { + label = "nanobone:green:usr1"; + gpios = <&gpio1 5 0>; + default-state = "off"; + }; + }; +}; + +&am33xx_pinmux { + pinctrl-names = "default"; + pinctrl-0 = <&misc_pins>; + + misc_pins: misc_pins { + pinctrl-single,pins = < + 0x15c (PIN_OUTPUT | MUX_MODE7) /* spi0_cs0.gpio0_5 */ + >; + }; + + gpmc_pins: gpmc_pins { + pinctrl-single,pins = < + 0x0 (PIN_INPUT_PULLUP | MUX_MODE0) /* gpmc_ad0.gpmc_ad0 */ + 0x4 (PIN_INPUT_PULLUP | MUX_MODE0) /* gpmc_ad1.gpmc_ad1 */ + 0x8 (PIN_INPUT_PULLUP | MUX_MODE0) /* gpmc_ad2.gpmc_ad2 */ + 0xc (PIN_INPUT_PULLUP | MUX_MODE0) /* gpmc_ad3.gpmc_ad3 */ + 0x10 (PIN_INPUT_PULLUP | MUX_MODE0) /* gpmc_ad4.gpmc_ad4 */ + 0x14 (PIN_INPUT_PULLUP | MUX_MODE0) /* gpmc_ad5.gpmc_ad5 */ + 0x18 (PIN_INPUT_PULLUP | MUX_MODE0) /* gpmc_ad6.gpmc_ad6 */ + 0x1c (PIN_INPUT_PULLUP | MUX_MODE0) /* gpmc_ad7.gpmc_ad7 */ + 0x20 (PIN_INPUT_PULLUP | MUX_MODE0) /* gpmc_ad8.gpmc_ad8 */ + 0x24 (PIN_INPUT_PULLUP | MUX_MODE0) /* gpmc_ad9.gpmc_ad9 */ + 0x28 (PIN_INPUT_PULLUP | MUX_MODE0) /* gpmc_ad10.gpmc_ad10 */ + 0x2c (PIN_INPUT_PULLUP | MUX_MODE0) /* gpmc_ad11.gpmc_ad11 */ + 0x30 (PIN_INPUT_PULLUP | MUX_MODE0) /* gpmc_ad12.gpmc_ad12 */ + 0x34 (PIN_INPUT_PULLUP | MUX_MODE0) /* gpmc_ad13.gpmc_ad13 */ + 0x38 (PIN_INPUT_PULLUP | MUX_MODE0) /* gpmc_ad14.gpmc_ad14 */ + 0x3c (PIN_INPUT_PULLUP | MUX_MODE0) /* gpmc_ad15.gpmc_ad15 */ + + 0x70 (PIN_INPUT_PULLUP | MUX_MODE0) /* gpmc_wait0.gpmc_wait0 */ + 0x7c (PIN_OUTPUT | MUX_MODE0) /* gpmc_csn0.gpmc_csn0 */ + 0x80 (PIN_OUTPUT | MUX_MODE0) /* gpmc_csn1.gpmc_csn1 */ + 0x84 (PIN_OUTPUT | MUX_MODE0) /* gpmc_csn2.gpmc_csn2 */ + 0x88 (PIN_OUTPUT | MUX_MODE0) /* gpmc_csn3.gpmc_csn3 */ + + 0x90 (PIN_OUTPUT | MUX_MODE0) /* gpmc_advn_ale.gpmc_advn_ale */ + 0x94 (PIN_OUTPUT | MUX_MODE0) /* gpmc_oen_ren.gpmc_oen_ren */ + 0x98 (PIN_OUTPUT | MUX_MODE0) /* gpmc_wen.gpmc_wen */ + 0x9c (PIN_OUTPUT | MUX_MODE0) /* gpmc_ben0_cle.gpmc_ben0_cle */ + + 0xa4 (PIN_OUTPUT | MUX_MODE1) /* lcd_data1.gpmc_a1 */ + 0xa8 (PIN_OUTPUT | MUX_MODE1) /* lcd_data2.gpmc_a2 */ + 0xac (PIN_OUTPUT | MUX_MODE1) /* lcd_data3.gpmc_a3 */ + 0xb0 (PIN_OUTPUT | MUX_MODE1) /* lcd_data4.gpmc_a4 */ + 0xb4 (PIN_OUTPUT | MUX_MODE1) /* lcd_data5.gpmc_a5 */ + 0xb8 (PIN_OUTPUT | MUX_MODE1) /* lcd_data6.gpmc_a6 */ + 0xbc (PIN_OUTPUT | MUX_MODE1) /* lcd_data7.gpmc_a7 */ + + 0xe0 (PIN_OUTPUT | MUX_MODE1) /* lcd_vsync.gpmc_a8 */ + 0xe4 (PIN_OUTPUT | MUX_MODE1) /* lcd_hsync.gpmc_a9 */ + 0xe8 (PIN_OUTPUT | MUX_MODE1) /* lcd_pclk.gpmc_a10 */ + >; + }; + + i2c0_pins: i2c0_pins { + pinctrl-single,pins = < + 0x188 (PIN_INPUT_PULLDOWN | MUX_MODE0) /* i2c0_sda.i2c0_sda */ + 0x18c (PIN_INPUT_PULLDOWN | MUX_MODE0) /* i2c0_scl.i2c0_scl */ + >; + }; + + uart0_pins: uart0_pins { + pinctrl-single,pins = < + 0x170 (PIN_INPUT_PULLUP | MUX_MODE0) /* uart0_rxd.uart0_rxd */ + 0x174 (PIN_OUTPUT | MUX_MODE0) /* uart0_txd.uart0_txd */ + >; + }; + + uart1_pins: uart1_pins { + pinctrl-single,pins = < + 0x178 (PIN_OUTPUT | MUX_MODE7) /* uart1_ctsn.uart1_ctsn */ + 0x17c (PIN_OUTPUT | MUX_MODE7) /* uart1_rtsn.uart1_rtsn */ + 0x180 (PIN_INPUT_PULLUP | MUX_MODE0) /* uart1_rxd.uart1_rxd */ + 0x184 (PIN_OUTPUT | MUX_MODE0) /* uart1_txd.uart1_txd */ + >; + }; + + uart2_pins: uart2_pins { + pinctrl-single,pins = < + 0xc0 (PIN_INPUT_PULLUP | MUX_MODE7) /* lcd_data8.gpio2[14] */ + 0xc4 (PIN_OUTPUT | MUX_MODE7) /* lcd_data9.gpio2[15] */ + 0x150 (PIN_INPUT | MUX_MODE1) /* spi0_sclk.uart2_rxd */ + 0x154 (PIN_OUTPUT | MUX_MODE1) /* spi0_d0.uart2_txd */ + >; + }; + + uart3_pins: uart3_pins { + pinctrl-single,pins = < + 0xc8 (PIN_INPUT_PULLUP | MUX_MODE6) /* lcd_data10.uart3_ctsn */ + 0xcc (PIN_OUTPUT | MUX_MODE6) /* lcd_data11.uart3_rtsn */ + 0x160 (PIN_INPUT | MUX_MODE1) /* spi0_cs1.uart3_rxd */ + 0x164 (PIN_OUTPUT | MUX_MODE1) /* ecap0_in_pwm0_out.uart3_txd */ + >; + }; + + uart4_pins: uart4_pins { + pinctrl-single,pins = < + 0xd0 (PIN_INPUT_PULLUP | MUX_MODE6) /* lcd_data12.uart4_ctsn */ + 0xd4 (PIN_OUTPUT | MUX_MODE6) /* lcd_data13.uart4_rtsn */ + 0x168 (PIN_INPUT | MUX_MODE1) /* uart0_ctsn.uart4_rxd */ + 0x16c (PIN_OUTPUT | MUX_MODE1) /* uart0_rtsn.uart4_txd */ + >; + }; + + uart5_pins: uart5_pins { + pinctrl-single,pins = < + 0xd8 (PIN_INPUT | MUX_MODE4) /* lcd_data14.uart5_rxd */ + 0x144 (PIN_OUTPUT | MUX_MODE3) /* rmiii1_refclk.uart5_txd */ + >; + }; + + mmc1_pins: mmc1_pins { + pinctrl-single,pins = < + 0xf0 (PIN_INPUT_PULLUP | MUX_MODE0) /* mmc0_dat0.mmc0_dat0 */ + 0xf4 (PIN_INPUT_PULLUP | MUX_MODE0) /* mmc0_dat1.mmc0_dat1 */ + 0xf8 (PIN_INPUT_PULLUP | MUX_MODE0) /* mmc0_dat2.mmc0_dat2 */ + 0xfc (PIN_INPUT_PULLUP | MUX_MODE0) /* mmc0_dat3.mmc0_dat3 */ + 0x100 (PIN_INPUT_PULLUP | MUX_MODE0) /* mmc0_clk.mmc0_clk */ + 0x104 (PIN_INPUT_PULLUP | MUX_MODE0) /* mmc0_cmd.mmc0_cmd */ + >; + }; +}; + +&uart0 { + pinctrl-names = "default"; + pinctrl-0 = <&uart0_pins>; + status = "okay"; +}; + +&uart1 { + pinctrl-names = "default"; + pinctrl-0 = <&uart1_pins>; + status = "okay"; + rts-gpio = <&gpio0 13 GPIO_ACTIVE_HIGH>; + rs485-rts-active-high; + rs485-rx-during-tx; + rs485-rts-delay = <1 1>; + linux,rs485-enabled-at-boot-time; +}; + +&uart2 { + pinctrl-names = "default"; + pinctrl-0 = <&uart2_pins>; + status = "okay"; + rts-gpio = <&gpio2 15 GPIO_ACTIVE_HIGH>; + rs485-rts-active-high; + rs485-rts-delay = <1 1>; + linux,rs485-enabled-at-boot-time; +}; + +&uart3 { + pinctrl-names = "default"; + pinctrl-0 = <&uart3_pins>; + status = "okay"; +}; + +&uart4 { + pinctrl-names = "default"; + pinctrl-0 = <&uart4_pins>; + status = "okay"; +}; + +&uart5 { + pinctrl-names = "default"; + pinctrl-0 = <&uart5_pins>; + status = "okay"; +}; + +&i2c0 { + status = "okay"; + pinctrl-names = "default"; + clock-frequency = <400000>; + pinctrl-names = "default"; + pinctrl-0 = <&i2c0_pins>; + + gpio@20 { + compatible = "mcp,mcp23017"; + reg = <0x20>; + }; + + tps: tps@24 { + reg = <0x24>; + }; + + eeprom@53 { + compatible = "mcp,24c02"; + reg = <0x53>; + pagesize = <8>; + }; + + rtc@68 { + compatible = "dallas,ds1307"; + reg = <0x68>; + }; +}; + +&elm { + status = "okay"; +}; + +&gpmc { + compatible = "ti,am3352-gpmc"; + ti,hwmods = "gpmc"; + status = "okay"; + gpmc,num-waitpins = <2>; + pinctrl-names = "default"; + pinctrl-0 = <&gpmc_pins>; + + #address-cells = <2>; + #size-cells = <1>; + ranges = <0 0 0x08000000 0x08000000>; /* CS0: NOR 128M */ + + nor@0,0 { + reg = <0 0x00000000 0x08000000>; + compatible = "cfi-flash"; + linux,mtd-name = "spansion,s29gl010p11t"; + bank-width = <2>; + + gpmc,mux-add-data = <2>; + + gpmc,sync-clk-ps = <0>; + gpmc,cs-on-ns = <0>; + gpmc,cs-rd-off-ns = <160>; + gpmc,cs-wr-off-ns = <160>; + gpmc,adv-on-ns = <10>; + gpmc,adv-rd-off-ns = <30>; + gpmc,adv-wr-off-ns = <30>; + gpmc,oe-on-ns = <40>; + gpmc,oe-off-ns = <160>; + gpmc,we-on-ns = <40>; + gpmc,we-off-ns = <160>; + gpmc,rd-cycle-ns = <160>; + gpmc,wr-cycle-ns = <160>; + gpmc,access-ns = <150>; + gpmc,page-burst-access-ns = <10>; + gpmc,cycle2cycle-samecsen; + gpmc,cycle2cycle-delay-ns = <20>; + gpmc,wr-data-mux-bus-ns = <70>; + gpmc,wr-access-ns = <80>; + + #address-cells = <1>; + #size-cells = <1>; + + /* + MTD partition table + =================== + +------------+-->0x00000000-> U-Boot start + | | + | |-->0x000BFFFF-> U-Boot end + | |-->0x000C0000-> ENV1 start + | | + | |-->0x000DFFFF-> ENV1 end + | |-->0x000E0000-> ENV2 start + | | + | |-->0x000FFFFF-> ENV2 end + | |-->0x00100000-> Kernel start + | | + | |-->0x004FFFFF-> Kernel end + | |-->0x00500000-> File system start + | | + | |-->0x014FFFFF-> File system end + | |-->0x01500000-> User data start + | | + | |-->0x03FFFFFF-> User data end + | |-->0x04000000-> Data storage start + | | + +------------+-->0x08000000-> NOR end (Free end) + */ + partition@0 { + label = "boot"; + reg = <0x00000000 0x000c0000>; /* 768KB */ + }; + + partition@1 { + label = "env1"; + reg = <0x000c0000 0x00020000>; /* 128KB */ + }; + + partition@2 { + label = "env2"; + reg = <0x000e0000 0x00020000>; /* 128KB */ + }; + + partition@3 { + label = "kernel"; + reg = <0x00100000 0x00400000>; /* 4MB */ + }; + + partition@4 { + label = "rootfs"; + reg = <0x00500000 0x01000000>; /* 16MB */ + }; + + partition@5 { + label = "user"; + reg = <0x01500000 0x02b00000>; /* 43MB */ + }; + + partition@6 { + label = "data"; + reg = <0x04000000 0x04000000>; /* 64MB */ + }; + }; +}; + +&mac { + dual_emac = <1>; +}; + +&cpsw_emac0 { + phy_id = <&davinci_mdio>, <0>; + dual_emac_res_vlan = <1>; +}; + +&cpsw_emac1 { + phy_id = <&davinci_mdio>, <1>; + dual_emac_res_vlan = <2>; +}; + +#include "tps65217.dtsi" + +&tps { + regulators { + dcdc1_reg: regulator@0 { + regulator-always-on; + }; + + dcdc2_reg: regulator@1 { + /* VDD_MPU voltage limits 0.95V - 1.26V with ±4% tolerance */ + regulator-name = "vdd_mpu"; + regulator-min-microvolt = <925000>; + regulator-max-microvolt = <1325000>; + regulator-boot-on; + regulator-always-on; + }; + + dcdc3_reg: regulator@2 { + /* VDD_CORE voltage limits 0.95V - 1.1V with ±4% tolerance */ + regulator-name = "vdd_core"; + regulator-min-microvolt = <925000>; + regulator-max-microvolt = <1150000>; + regulator-boot-on; + regulator-always-on; + }; + + ldo1_reg: regulator@3 { + regulator-always-on; + }; + + ldo2_reg: regulator@4 { + regulator-always-on; + }; + + ldo3_reg: regulator@5 { + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <3300000>; + regulator-always-on; + }; + + ldo4_reg: regulator@6 { + regulator-always-on; + }; + }; +}; -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
