[PATCH 1/2] ARM: kirkwood: add support for OpenBlocks A7 platform
Gregory CLEMENT
gregory.clement at free-electrons.com
Wed Oct 30 13:09:11 EDT 2013
On 30/10/2013 17:55, Thomas Petazzoni wrote:
> The OpenBlocks A7 board is designed and sold by PlatHome, and based on
> a Kirkwood 6283 Marvell SoC. It is quite similar to the OpenBlocks A6
> already supported in the kernel, with the following main differences:
>
> - The A6 uses a RTC on I2C, while the A7 uses the internal SoC RTC.
>
> - The A6 has one Ethernet port, while the A7 has two Ethernet ports
>
> - The A6 has only one USB port, while the A7 integrates a USB hub,
> which provides two front-side USB port, and an internal USB port as
> well.
>
> - The A6 has 512 MB of RAM, while the A7 has 1 GB of RAM.
>
> - Slightly different GPIOs for some functions.
>
> Signed-off-by: Thomas Petazzoni <thomas.petazzoni at free-electrons.com>
Acked-by: Gregory CLEMENT <gregory.clement at free-electrons.com>
> ---
> arch/arm/boot/dts/Makefile | 3 +-
> arch/arm/boot/dts/kirkwood-openblocks_a7.dts | 223 +++++++++++++++++++++++++++
> 2 files changed, 225 insertions(+), 1 deletion(-)
> create mode 100644 arch/arm/boot/dts/kirkwood-openblocks_a7.dts
>
> diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
> index 802720e..64783bb 100644
> --- a/arch/arm/boot/dts/Makefile
> +++ b/arch/arm/boot/dts/Makefile
> @@ -101,7 +101,8 @@ dtb-$(CONFIG_ARCH_KIRKWOOD) += kirkwood-cloudbox.dtb \
> kirkwood-topkick.dtb \
> kirkwood-ts219-6281.dtb \
> kirkwood-ts219-6282.dtb \
> - kirkwood-openblocks_a6.dtb
> + kirkwood-openblocks_a6.dtb \
> + kirkwood-openblocks_a7.dtb
> dtb-$(CONFIG_ARCH_MARCO) += marco-evb.dtb
> dtb-$(CONFIG_ARCH_MSM) += msm8660-surf.dtb \
> msm8960-cdp.dtb
> diff --git a/arch/arm/boot/dts/kirkwood-openblocks_a7.dts b/arch/arm/boot/dts/kirkwood-openblocks_a7.dts
> new file mode 100644
> index 0000000..1864972
> --- /dev/null
> +++ b/arch/arm/boot/dts/kirkwood-openblocks_a7.dts
> @@ -0,0 +1,223 @@
> +/*
> + * Device Tree file for OpenBlocks A7 board
> + *
> + * Copyright (C) 2013 Free Electrons
> + *
> + * Thomas Petazzoni <thomas.petazzoni at free-electrons.com>
> + *
> + * This file is licensed under the terms of the GNU General Public
> + * License version 2. This program is licensed "as is" without any
> + * warranty of any kind, whether express or implied.
> + */
> +
> +/dts-v1/;
> +
> +#include "kirkwood.dtsi"
> +#include "kirkwood-6282.dtsi"
> +
> +/ {
> + model = "Plat'Home OpenBlocksA7";
> + compatible = "plathome,openblocks-a7", "marvell,kirkwood-88f6283", "marvell,kirkwood";
> +
> + memory {
> + device_type = "memory";
> + reg = <0x00000000 0x40000000>; /* 1 GB */
> + };
> +
> + chosen {
> + bootargs = "console=ttyS0,115200n8 earlyprintk";
> + };
> +
> + ocp at f1000000 {
> + serial at 12000 {
> + status = "ok";
> + pinctrl-0 = <&pmx_uart0>;
> + pinctrl-names = "default";
> + };
> +
> + serial at 12100 {
> + status = "ok";
> + pinctrl-0 = <&pmx_uart1>;
> + pinctrl-names = "default";
> + };
> +
> + nand at 3000000 {
> + chip-delay = <25>;
> + status = "okay";
> + pinctrl-0 = <&pmx_nand>;
> + pinctrl-names = "default";
> +
> + partition at 0 {
> + label = "uboot";
> + reg = <0x0 0x1c0000>;
> + };
> +
> + partition at 90000 {
> + label = "env";
> + reg = <0x1c0000 0x2c0000>;
> + };
> +
> + partition at d4000 {
> + label = "test";
> + reg = <0x480000 0x160000>;
> + };
> +
> + partition at f4000 {
> + label = "conf";
> + reg = <0x5e0000 0x540000>;
> + };
> +
> + partition at 4f4000 {
> + label = "linux";
> + reg = <0xb20000 0x3d40000>;
> + };
> +
> + partition at 2214000 {
> + label = "user";
> + reg = <0x4860000 0xb7a0000>;
> + };
> + };
> +
> + sata at 80000 {
> + nr-ports = <1>;
> + status = "okay";
> + };
> +
> + i2c at 11100 {
> + status = "okay";
> + pinctrl-0 = <&pmx_twsi1>;
> + pinctrl-names = "default";
> +
> + s24c02: s24c02 at 50 {
> + compatible = "24c02";
> + reg = <0x50>;
> + };
> + };
> +
> + pinctrl: pinctrl at 10000 {
> + pinctrl-0 = <&pmx_dip_switches &pmx_gpio_header>;
> + pinctrl-names = "default";
> +
> + pmx_uart0: pmx-uart0 {
> + marvell,pins = "mpp10", "mpp11", "mpp15",
> + "mpp16";
> + marvell,function = "uart0";
> + };
> +
> + pmx_uart1: pmx-uart1 {
> + marvell,pins = "mpp13", "mpp14", "mpp8",
> + "mpp9";
> + marvell,function = "uart1";
> + };
> +
> + pmx_sysrst: pmx-sysrst {
> + marvell,pins = "mpp6";
> + marvell,function = "sysrst";
> + };
> +
> + pmx_dip_switches: pmx-dip-switches {
> + marvell,pins = "mpp44", "mpp45", "mpp46", "mpp47";
> + marvell,function = "gpio";
> + };
> +
> + /*
> + * Accessible on connector J202. The MPP
> + * listed below are pin 1-7, pin 8 is unused,
> + * pin 9 is external reset input and pin 10 is
> + * ground.
> + */
> + pmx_gpio_header: pmx-gpio-header {
> + marvell,pins = "mpp17", "mpp7", "mpp29", "mpp28",
> + "mpp35", "mpp34", "mpp40";
> + marvell,function = "gpio";
> + };
> +
> + pmx_gpio_init: pmx-init {
> + marvell,pins = "mpp38";
> + marvell,function = "gpio";
> + };
> +
> + pmx_usb_oc: pmx-usb-oc {
> + marvell,pins = "mpp39";
> + marvell,function = "gpio";
> + };
> +
> + pmx_leds: pmx-leds {
> + marvell,pins = "mpp41", "mpp42", "mpp43";
> + marvell,function = "gpio";
> + };
> +
> + pmx_ge1: pmx-ge1 {
> + marvell,pins = "mpp20", "mpp21", "mpp22", "mpp23",
> + "mpp24", "mpp25", "mpp26", "mpp27",
> + "mpp30", "mpp31", "mpp32", "mpp33";
> + marvell,function = "ge1";
> + };
> + };
> + };
> +
> + gpio-leds {
> + compatible = "gpio-leds";
> + pinctrl-0 = <&pmx_leds>;
> + pinctrl-names = "default";
> +
> + led-red {
> + label = "obsa7:red:stat";
> + gpios = <&gpio1 9 1>;
> + };
> +
> + led-green {
> + label = "obsa7:green:stat";
> + gpios = <&gpio1 10 1>;
> + };
> +
> + led-yellow {
> + label = "obsa7:yellow:stat";
> + gpios = <&gpio1 11 1>;
> + };
> + };
> +
> + gpio_keys {
> + compatible = "gpio-keys";
> + pinctrl-0 = <&pmx_gpio_init>;
> + pinctrl-names = "default";
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + button at 1 {
> + label = "Init Button";
> + linux,code = <116>;
> + gpios = <&gpio1 6 0>;
> + };
> + };
> +};
> +
> +&mdio {
> + status = "okay";
> +
> + ethphy0: ethernet-phy at 0 {
> + device_type = "ethernet-phy";
> + reg = <0>;
> + };
> +
> + ethphy1: ethernet-phy at 1 {
> + device_type = "ethernet-phy";
> + reg = <1>;
> + };
> +};
> +
> +ð0 {
> + status = "okay";
> + ethernet0-port at 0 {
> + phy-handle = <ðphy0>;
> + };
> +};
> +
> +ð1 {
> + status = "okay";
> + pinctrl-0 = <&pmx_ge1>;
> + pinctrl-names = "default";
> + ethernet1-port at 0 {
> + phy-handle = <ðphy1>;
> + };
> +};
>
--
Gregory Clement, Free Electrons
Kernel, drivers, real-time and embedded Linux
development, consulting, training and support.
http://free-electrons.com
More information about the linux-arm-kernel
mailing list