diff mbox

[v3] Add support for Newflow NanoBone board

Message ID 524E7905.4060907@newflow.co.uk (mailing list archive)
State New, archived
Headers show

Commit Message

Mark Jackson Oct. 4, 2013, 8:15 a.m. UTC
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@newflow.co.uk>
Reviewed-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
---
Changes in v3:
- Added MMC support
- Fixed regulator limits

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 |  431 +++++++++++++++++++++++++++++++++++++
 3 files changed, 438 insertions(+)
 create mode 100644 arch/arm/boot/dts/am335x-nano.dts

Comments

Benoit Cousson Oct. 22, 2013, 1:03 p.m. UTC | #1
Hi Mark,

On 04/10/2013 10:15, Mark Jackson wrote:
> 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@newflow.co.uk>
> Reviewed-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk>

Thanks I've just applied it.

Regards,
Benoit

> ---
> Changes in v3:
> - Added MMC support
> - Fixed regulator limits
>
> 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 |  431 +++++++++++++++++++++++++++++++++++++
>   3 files changed, 438 insertions(+)
>   create mode 100644 arch/arm/boot/dts/am335x-nano.dts
>
> diff --git a/MAINTAINERS b/MAINTAINERS
> index e61c2e8..8a4c9d9 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -6062,6 +6062,12 @@ L:	linux-omap@vger.kernel.org
>   S:	Maintained
>   F:	drivers/gpio/gpio-omap.c
>
> +OMAP/NEWFLOW NANOBONE MACHINE SUPPORT
> +M:	Mark Jackson <mpfj@newflow.co.uk>
> +L:	linux-omap@vger.kernel.org
> +S:	Maintained
> +F:	arch/arm/boot/dts/am335x-nano.dts
> +
>   OMFS FILESYSTEM
>   M:	Bob Copeland <me@bobcopeland.com>
>   L:	linux-karma-devel@lists.sourceforge.net
> diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
> index e95af3f..543e837 100644
> --- a/arch/arm/boot/dts/Makefile
> +++ b/arch/arm/boot/dts/Makefile
> @@ -184,6 +184,7 @@ dtb-$(CONFIG_ARCH_OMAP2PLUS) += omap2420-h4.dtb \
>   	am335x-evmsk.dtb \
>   	am335x-bone.dtb \
>   	am335x-boneblack.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..9907b49
> --- /dev/null
> +++ b/arch/arm/boot/dts/am335x-nano.dts
> @@ -0,0 +1,431 @@
> +/*
> + * 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 */
> +			0x1e8 (PIN_INPUT_PULLUP | MUX_MODE7)	/* emu1.gpio3[8] */
> +			0x1a0 (PIN_INPUT_PULLUP | MUX_MODE7)	/* mcasp0_aclkr.gpio3[18] */
> +		>;
> +	};
> +};
> +
> +&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>;
> +};
> +
> +&mmc1 {
> +	status = "okay";
> +	vmmc-supply = <&ldo4_reg>;
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&mmc1_pins>;
> +	bus-width = <4>;
> +	cd-gpios = <&gpio3 8 0>;
> +	wp-gpios = <&gpio3 18 0>;
> +};
> +
> +#include "tps65217.dtsi"
> +
> +&tps {
> +	regulators {
> +		dcdc1_reg: regulator@0 {
> +			/* +1.5V voltage with ±4% tolerance */
> +			regulator-min-microvolt = <1450000>;
> +			regulator-max-microvolt = <1550000>;
> +			regulator-boot-on;
> +			regulator-always-on;
> +		};
> +
> +		dcdc2_reg: regulator@1 {
> +			/* VDD_MPU voltage limits 0.95V - 1.1V with ±4% tolerance */
> +			regulator-name = "vdd_mpu";
> +			regulator-min-microvolt = <915000>;
> +			regulator-max-microvolt = <1140000>;
> +			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 = <915000>;
> +			regulator-max-microvolt = <1140000>;
> +			regulator-boot-on;
> +			regulator-always-on;
> +		};
> +
> +		ldo1_reg: regulator@3 {
> +			/* +1.8V voltage with ±4% tolerance */
> +			regulator-min-microvolt = <1750000>;
> +			regulator-max-microvolt = <1870000>;
> +			regulator-boot-on;
> +			regulator-always-on;
> +		};
> +
> +		ldo2_reg: regulator@4 {
> +			/* +3.3V voltage with ±4% tolerance */
> +			regulator-min-microvolt = <3175000>;
> +			regulator-max-microvolt = <3430000>;
> +			regulator-boot-on;
> +			regulator-always-on;
> +		};
> +
> +		ldo3_reg: regulator@5 {
> +			/* +1.8V voltage with ±4% tolerance */
> +			regulator-min-microvolt = <1750000>;
> +			regulator-max-microvolt = <1870000>;
> +			regulator-boot-on;
> +			regulator-always-on;
> +		};
> +
> +		ldo4_reg: regulator@6 {
> +			/* +3.3V voltage with ±4% tolerance */
> +			regulator-min-microvolt = <3175000>;
> +			regulator-max-microvolt = <3430000>;
> +			regulator-boot-on;
> +			regulator-always-on;
> +		};
> +	};
> +};
>
diff mbox

Patch

diff --git a/MAINTAINERS b/MAINTAINERS
index e61c2e8..8a4c9d9 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -6062,6 +6062,12 @@  L:	linux-omap@vger.kernel.org
 S:	Maintained
 F:	drivers/gpio/gpio-omap.c
 
+OMAP/NEWFLOW NANOBONE MACHINE SUPPORT
+M:	Mark Jackson <mpfj@newflow.co.uk>
+L:	linux-omap@vger.kernel.org
+S:	Maintained
+F:	arch/arm/boot/dts/am335x-nano.dts
+
 OMFS FILESYSTEM
 M:	Bob Copeland <me@bobcopeland.com>
 L:	linux-karma-devel@lists.sourceforge.net
diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index e95af3f..543e837 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -184,6 +184,7 @@  dtb-$(CONFIG_ARCH_OMAP2PLUS) += omap2420-h4.dtb \
 	am335x-evmsk.dtb \
 	am335x-bone.dtb \
 	am335x-boneblack.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..9907b49
--- /dev/null
+++ b/arch/arm/boot/dts/am335x-nano.dts
@@ -0,0 +1,431 @@ 
+/*
+ * 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 */
+			0x1e8 (PIN_INPUT_PULLUP | MUX_MODE7)	/* emu1.gpio3[8] */
+			0x1a0 (PIN_INPUT_PULLUP | MUX_MODE7)	/* mcasp0_aclkr.gpio3[18] */
+		>;
+	};
+};
+
+&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>;
+};
+
+&mmc1 {
+	status = "okay";
+	vmmc-supply = <&ldo4_reg>;
+	pinctrl-names = "default";
+	pinctrl-0 = <&mmc1_pins>;
+	bus-width = <4>;
+	cd-gpios = <&gpio3 8 0>;
+	wp-gpios = <&gpio3 18 0>;
+};
+
+#include "tps65217.dtsi"
+
+&tps {
+	regulators {
+		dcdc1_reg: regulator@0 {
+			/* +1.5V voltage with ±4% tolerance */
+			regulator-min-microvolt = <1450000>;
+			regulator-max-microvolt = <1550000>;
+			regulator-boot-on;
+			regulator-always-on;
+		};
+
+		dcdc2_reg: regulator@1 {
+			/* VDD_MPU voltage limits 0.95V - 1.1V with ±4% tolerance */
+			regulator-name = "vdd_mpu";
+			regulator-min-microvolt = <915000>;
+			regulator-max-microvolt = <1140000>;
+			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 = <915000>;
+			regulator-max-microvolt = <1140000>;
+			regulator-boot-on;
+			regulator-always-on;
+		};
+
+		ldo1_reg: regulator@3 {
+			/* +1.8V voltage with ±4% tolerance */
+			regulator-min-microvolt = <1750000>;
+			regulator-max-microvolt = <1870000>;
+			regulator-boot-on;
+			regulator-always-on;
+		};
+
+		ldo2_reg: regulator@4 {
+			/* +3.3V voltage with ±4% tolerance */
+			regulator-min-microvolt = <3175000>;
+			regulator-max-microvolt = <3430000>;
+			regulator-boot-on;
+			regulator-always-on;
+		};
+
+		ldo3_reg: regulator@5 {
+			/* +1.8V voltage with ±4% tolerance */
+			regulator-min-microvolt = <1750000>;
+			regulator-max-microvolt = <1870000>;
+			regulator-boot-on;
+			regulator-always-on;
+		};
+
+		ldo4_reg: regulator@6 {
+			/* +3.3V voltage with ±4% tolerance */
+			regulator-min-microvolt = <3175000>;
+			regulator-max-microvolt = <3430000>;
+			regulator-boot-on;
+			regulator-always-on;
+		};
+	};
+};