[PATCH v3] Add support for Newflow NanoBone board
Mark Jackson
mpfj-list at newflow.co.uk
Wed Sep 25 04:04:14 EDT 2013
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 at newflow.co.uk>
Reviewed-by: Javier Martinez Canillas <javier.martinez at 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
diff --git a/MAINTAINERS b/MAINTAINERS
index e61c2e8..8a4c9d9 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -6062,6 +6062,12 @@ L: linux-omap at vger.kernel.org
S: Maintained
F: drivers/gpio/gpio-omap.c
+OMAP/NEWFLOW NANOBONE MACHINE SUPPORT
+M: Mark Jackson <mpfj at newflow.co.uk>
+L: linux-omap at vger.kernel.org
+S: Maintained
+F: arch/arm/boot/dts/am335x-nano.dts
+
OMFS FILESYSTEM
M: Bob Copeland <me at bobcopeland.com>
L: linux-karma-devel at 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 at 0 {
+ cpu0-supply = <&dcdc2_reg>;
+ };
+ };
+
+ memory {
+ device_type = "memory";
+ reg = <0x80000000 0x10000000>; /* 256 MB */
+ };
+
+ leds {
+ compatible = "gpio-leds";
+
+ led at 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 at 20 {
+ compatible = "mcp,mcp23017";
+ reg = <0x20>;
+ };
+
+ tps: tps at 24 {
+ reg = <0x24>;
+ };
+
+ eeprom at 53 {
+ compatible = "mcp,24c02";
+ reg = <0x53>;
+ pagesize = <8>;
+ };
+
+ rtc at 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 at 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 at 0 {
+ label = "boot";
+ reg = <0x00000000 0x000c0000>; /* 768KB */
+ };
+
+ partition at 1 {
+ label = "env1";
+ reg = <0x000c0000 0x00020000>; /* 128KB */
+ };
+
+ partition at 2 {
+ label = "env2";
+ reg = <0x000e0000 0x00020000>; /* 128KB */
+ };
+
+ partition at 3 {
+ label = "kernel";
+ reg = <0x00100000 0x00400000>; /* 4MB */
+ };
+
+ partition at 4 {
+ label = "rootfs";
+ reg = <0x00500000 0x01000000>; /* 16MB */
+ };
+
+ partition at 5 {
+ label = "user";
+ reg = <0x01500000 0x02b00000>; /* 43MB */
+ };
+
+ partition at 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 at 0 {
+ /* +1.5V voltage with ±4% tolerance */
+ regulator-min-microvolt = <1450000>;
+ regulator-max-microvolt = <1550000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+
+ dcdc2_reg: regulator at 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 at 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 at 3 {
+ /* +1.8V voltage with ±4% tolerance */
+ regulator-min-microvolt = <1750000>;
+ regulator-max-microvolt = <1870000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+
+ ldo2_reg: regulator at 4 {
+ /* +3.3V voltage with ±4% tolerance */
+ regulator-min-microvolt = <3175000>;
+ regulator-max-microvolt = <3430000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+
+ ldo3_reg: regulator at 5 {
+ /* +1.8V voltage with ±4% tolerance */
+ regulator-min-microvolt = <1750000>;
+ regulator-max-microvolt = <1870000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+
+ ldo4_reg: regulator at 6 {
+ /* +3.3V voltage with ±4% tolerance */
+ regulator-min-microvolt = <3175000>;
+ regulator-max-microvolt = <3430000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+ };
+};
--
1.7.9.5
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