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Message-ID: <5266779A.2040302@baylibre.com>
Date: Tue, 22 Oct 2013 15:03:22 +0200
From: Benoit Cousson <bcousson@...libre.com>
To: Mark Jackson <mpfj-list@...flow.co.uk>,
"linux-omap@...r.kernel.org" <linux-omap@...r.kernel.org>
CC: Russell King <linux@....linux.org.uk>,
Javier Martinez Canillas <martinez.javier@...il.com>,
devicetree <devicetree@...r.kernel.org>,
lkml <linux-kernel@...r.kernel.org>,
"linux-arm-kernel@...ts.infradead.org"
<linux-arm-kernel@...ts.infradead.org>,
Tony Lindgren <tony@...mide.com>
Subject: Re: [PATCH v3] Add support for Newflow NanoBone board
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@...flow.co.uk>
> Reviewed-by: Javier Martinez Canillas <javier.martinez@...labora.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@...r.kernel.org
> S: Maintained
> F: drivers/gpio/gpio-omap.c
>
> +OMAP/NEWFLOW NANOBONE MACHINE SUPPORT
> +M: Mark Jackson <mpfj@...flow.co.uk>
> +L: linux-omap@...r.kernel.org
> +S: Maintained
> +F: arch/arm/boot/dts/am335x-nano.dts
> +
> OMFS FILESYSTEM
> M: Bob Copeland <me@...copeland.com>
> L: linux-karma-devel@...ts.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;
> + };
> + };
> +};
>
--
Benoît Cousson
BayLibre
Embedded Linux Technology Lab
www.baylibre.com
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