Hi,
On Fri, Nov 20, 2015 at 08:11:53PM +0100, Hans de Goede wrote:
> From: Jelle de Jong <jelledejong@xxxxxxxxxxxxx>
>
> The lamobo-r1 board, sometimes called the BPI-R1 but not labelled as such
> on the PCB, is meant as a A20 based router board. As such the board comes
> with a built-in switch chip giving it 5 gigabit ethernet boards, and it
> has a large empty area on the pcb with mounting holes which will fit a
> 2.5 inch harddisk. To complete its networking features it has a
> Realtek RTL8192CU for WiFi 802.11 b/g/n.
>
> Signed-off-by: Jelle de Jong <jelledejong@xxxxxxxxxxxxx>
> Signed-off-by: Hans de Goede <hdegoede@xxxxxxxxxx>
> ---
> arch/arm/boot/dts/Makefile | 1 +
> arch/arm/boot/dts/sun7i-a20-lamobo-r1.dts | 297 ++++++++++++++++++++++++++++++
> 2 files changed, 298 insertions(+)
> create mode 100644 arch/arm/boot/dts/sun7i-a20-lamobo-r1.dts
>
> diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
> index 28b0403..7572c29 100644
> --- a/arch/arm/boot/dts/Makefile
> +++ b/arch/arm/boot/dts/Makefile
> @@ -639,6 +639,7 @@ dtb-$(CONFIG_MACH_SUN7I) += \
> sun7i-a20-hummingbird.dtb \
> sun7i-a20-i12-tvbox.dtb \
> sun7i-a20-icnova-swac.dtb \
> + sun7i-a20-lamobo-r1.dtb \
> sun7i-a20-m3.dtb \
> sun7i-a20-mk808c.dtb \
> sun7i-a20-olimex-som-evb.dtb \
> diff --git a/arch/arm/boot/dts/sun7i-a20-lamobo-r1.dts b/arch/arm/boot/dts/sun7i-a20-lamobo-r1.dts
> new file mode 100644
> index 0000000..975b0b2
> --- /dev/null
> +++ b/arch/arm/boot/dts/sun7i-a20-lamobo-r1.dts
> @@ -0,0 +1,297 @@
> +/*
> + * Copyright 2015 Jelle de Jong <jelledejong@xxxxxxxxxxxxx>
> + *
> + * This file is dual-licensed: you can use it either under the terms
> + * of the GPL or the X11 license, at your option. Note that this dual
> + * licensing only applies to this file, and not this project as a
> + * whole.
> + *
> + * a) This file is free software; you can redistribute it and/or
> + * modify it under the terms of the GNU General Public License as
> + * published by the Free Software Foundation; either version 2 of the
> + * License, or (at your option) any later version.
> + *
> + * This file is distributed in the hope that it will be useful,
> + * but WITHOUT ANY WARRANTY; without even the implied warranty of
> + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
> + * GNU General Public License for more details.
> + *
> + * Or, alternatively,
> + *
> + * b) Permission is hereby granted, free of charge, to any person
> + * obtaining a copy of this software and associated documentation
> + * files (the "Software"), to deal in the Software without
> + * restriction, including without limitation the rights to use,
> + * copy, modify, merge, publish, distribute, sublicense, and/or
> + * sell copies of the Software, and to permit persons to whom the
> + * Software is furnished to do so, subject to the following
> + * conditions:
> + *
> + * The above copyright notice and this permission notice shall be
> + * included in all copies or substantial portions of the Software.
> + *
> + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
> + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
> + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
> + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
> + * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
> + * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
> + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
> + * OTHER DEALINGS IN THE SOFTWARE.
> + */
> +
> +/dts-v1/;
> +#include "sun7i-a20.dtsi"
> +#include "sunxi-common-regulators.dtsi"
> +
> +#include <dt-bindings/gpio/gpio.h>
> +#include <dt-bindings/interrupt-controller/irq.h>
> +#include <dt-bindings/pinctrl/sun4i-a10.h>
> +
> +/ {
> + model = "Lamobo R1";
> + compatible = "lamobo,lamobo-r1", "allwinner,sun7i-a20";
> +
> + aliases {
> + serial0 = &uart0;
> + serial1 = &uart3;
> + serial2 = &uart7;
> + };
> +
> + chosen {
> + stdout-path = "serial0:115200n8";
> + };
> +
> + leds {
> + compatible = "gpio-leds";
> + pinctrl-names = "default";
> + pinctrl-0 = <&led_pins_lamobo_r1>;
> +
> + green {
> + label = "lamobo_r1:green:usr";
> + gpios = <&pio 7 24 GPIO_ACTIVE_HIGH>;
> + };
> + };
> +
> + reg_gmac_3v3: gmac-3v3 {
> + compatible = "regulator-fixed";
> + pinctrl-names = "default";
> + pinctrl-0 = <&gmac_power_pin_lamobo_r1>;
> + regulator-name = "gmac-3v3";
> + regulator-min-microvolt = <3300000>;
> + regulator-max-microvolt = <3300000>;
> + startup-delay-us = <100000>;
> + enable-active-high;
> + gpio = <&pio 7 23 GPIO_ACTIVE_HIGH>; /* PH23 */
> + };
> +};
> +
> +&ahci_pwr_pin_a {
> + allwinner,pins = "PB3";
> +};
> +
> +&ahci {
> + target-supply = <®_ahci_5v>;
> + status = "okay";
> +};
> +
> +&cpu0 {
> + cpu-supply = <®_dcdc2>;
> + operating-points = <
> + /* kHz uV */
> + 960000 1400000
> + 912000 1400000
> + 864000 1350000
> + 720000 1250000
> + 528000 1150000
> + 312000 1100000
> + 144000 1050000
> + >;
Why are you using a custom set of OPPs here, the default ones were
unstable?
> +};
> +
> +&ehci0 {
> + status = "okay";
> +};
> +
> +&ehci1 {
> + status = "okay";
> +};
> +
> +&gmac {
> + pinctrl-names = "default";
> + pinctrl-0 = <&gmac_pins_rgmii_a>;
> + phy = <&phy1>;
> + phy-mode = "rgmii";
> + phy-supply = <®_gmac_3v3>;
> + status = "okay";
> +
> + phy1: ethernet-phy@1 {
> + reg = <1>;
> + };
> +};
> +
> +&i2c0 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&i2c0_pins_a>;
> + status = "okay";
> +
> + axp209: pmic@34 {
> + reg = <0x34>;
> + interrupt-parent = <&nmi_intc>;
> + interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
> + };
> +};
> +
> +&i2c2 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&i2c2_pins_a>;
> + status = "okay";
> +};
What is connected on i2c2? Is i2c1 used at all? Would it make sense to
add aliases for the i2c buses as well?
> +&ir0 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&ir0_rx_pins_a>;
> + status = "okay";
> +};
> +
> +&mmc0 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&mmc0_pins_a>, <&mmc0_cd_pin_lamobo_r1>;
> + vmmc-supply = <®_vcc3v3>;
> + bus-width = <4>;
> + cd-gpios = <&pio 7 10 GPIO_ACTIVE_HIGH>; /* PH10 */
> + cd-inverted;
> + status = "okay";
> +};
> +
> +&ohci0 {
> + status = "okay";
> +};
> +
> +&ohci1 {
> + status = "okay";
> +};
> +
> +&otg_sram {
> + status = "okay";
> +};
> +
> +&pio {
> + usb0_id_detect_pin: usb0_id_detect_pin@0 {
> + allwinner,pins = "PH4";
> + allwinner,function = "gpio_in";
> + allwinner,drive = <SUN4I_PINCTRL_10_MA>;
> + allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
> + };
> +
> + mmc0_cd_pin_lamobo_r1: mmc0_cd_pin@0 {
> + allwinner,pins = "PH10";
> + allwinner,function = "gpio_in";
> + allwinner,drive = <SUN4I_PINCTRL_10_MA>;
> + allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
> + };
> +
> + gmac_power_pin_lamobo_r1: gmac_power_pin@0 {
> + allwinner,pins = "PH23";
> + allwinner,function = "gpio_out";
> + allwinner,drive = <SUN4I_PINCTRL_10_MA>;
> + allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
> + };
> +
> + led_pins_lamobo_r1: led_pins@0 {
> + allwinner,pins = "PH24";
> + allwinner,function = "gpio_out";
> + allwinner,drive = <SUN4I_PINCTRL_10_MA>;
> + allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
> + };
> +};
> +
> +#include "axp209.dtsi"
> +
> +®_ahci_5v {
> + gpio = <&pio 1 3 0>; /* PB3 */
> + status = "okay";
> +};
> +
> +®_dcdc2 {
> + regulator-always-on;
> + regulator-min-microvolt = <1000000>;
> + regulator-max-microvolt = <1400000>;
> + regulator-name = "vdd-cpu";
> +};
> +
> +®_dcdc3 {
> + regulator-always-on;
> + regulator-min-microvolt = <1000000>;
> + regulator-max-microvolt = <1400000>;
> + regulator-name = "vdd-int-dll";
> +};
> +
> +®_ldo1 {
> + regulator-name = "vdd-rtc";
> +};
> +
> +®_ldo2 {
> + regulator-always-on;
> + regulator-min-microvolt = <3000000>;
> + regulator-max-microvolt = <3000000>;
> + regulator-name = "avcc";
> +};
> +
> +®_usb0_vbus {
> + status = "okay";
> +};
> +
> +®_usb1_vbus {
> + status = "okay";
> +};
> +
> +®_usb2_vbus {
> + status = "okay";
> +};
> +
> +&spi0 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&spi0_pins_a>,
> + <&spi0_cs0_pins_a>,
> + <&spi0_cs1_pins_a>;
> + status = "okay";
> +};
I guess the same question about i2c also applies for SPI :)
Looks good otherwise, thanks!
Maxime
--
Maxime Ripard, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com
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