On 18/07/2020 11:44, Christian Hewitt wrote:
> The WeTek Core2 is a commercial device based on the Amlogic Q200 reference
> design but with the following differences:
>
> - 3GB RAM, 32GB eMMC
> - Blue and Red LEDs used to signal on/off status
> - uart_AO can be accessed after opening the case; soldering required
> - USB OTG is not accessible (inside the case)
> - Realtek RTL8152 Ethernet (internal USB connection)
>
> Signed-off-by: Christian Hewitt <christianshewitt@xxxxxxxxx>
> ---
> arch/arm64/boot/dts/amlogic/Makefile | 1 +
> .../dts/amlogic/meson-gxm-wetek-core2.dts | 87 +++++++++++++++++++
> 2 files changed, 88 insertions(+)
> create mode 100644 arch/arm64/boot/dts/amlogic/meson-gxm-wetek-core2.dts
>
> diff --git a/arch/arm64/boot/dts/amlogic/Makefile b/arch/arm64/boot/dts/amlogic/Makefile
> index 5cac4d1d487d..4e2239ffcaa5 100644
> --- a/arch/arm64/boot/dts/amlogic/Makefile
> +++ b/arch/arm64/boot/dts/amlogic/Makefile
> @@ -41,6 +41,7 @@ dtb-$(CONFIG_ARCH_MESON) += meson-gxm-q201.dtb
> dtb-$(CONFIG_ARCH_MESON) += meson-gxm-rbox-pro.dtb
> dtb-$(CONFIG_ARCH_MESON) += meson-gxm-s912-libretech-pc.dtb
> dtb-$(CONFIG_ARCH_MESON) += meson-gxm-vega-s96.dtb
> +dtb-$(CONFIG_ARCH_MESON) += meson-gxm-wetek-core2.dtb
> dtb-$(CONFIG_ARCH_MESON) += meson-sm1-sei610.dtb
> dtb-$(CONFIG_ARCH_MESON) += meson-sm1-khadas-vim3l.dtb
> dtb-$(CONFIG_ARCH_MESON) += meson-sm1-odroid-c4.dtb
> diff --git a/arch/arm64/boot/dts/amlogic/meson-gxm-wetek-core2.dts b/arch/arm64/boot/dts/amlogic/meson-gxm-wetek-core2.dts
> new file mode 100644
> index 000000000000..b81f90015bd0
> --- /dev/null
> +++ b/arch/arm64/boot/dts/amlogic/meson-gxm-wetek-core2.dts
> @@ -0,0 +1,87 @@
> +// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
> +/*
> + * Copyright (c) 2020 Christian Hewitt <christianshewitt@xxxxxxxxx>
> + */
> +
> +/dts-v1/;
> +
> +#include "meson-gxm.dtsi"
> +#include "meson-gx-p23x-q20x.dtsi"
> +#include <dt-bindings/input/input.h>
> +#include <dt-bindings/leds/common.h>
> +
> +/ {
> + compatible = "wetek,core2", "amlogic,s912", "amlogic,meson-gxm";
> + model = "WeTek Core 2";
> +
> + memory@0 {
> + device_type = "memory";
> + reg = <0x0 0x0 0x0 0x80000000>; /* 2 GiB or 3 GiB */
> + };
> +
> + leds {
> + compatible = "gpio-leds";
> +
> + blue {
> + color = <LED_COLOR_ID_BLUE>;
> + function = LED_FUNCTION_STATUS;
> + gpios = <&gpio GPIODV_24 GPIO_ACTIVE_HIGH>;
> + default-state = "on";
> + };
> + };
> +
> + adc-keys {
> + compatible = "adc-keys";
> + io-channels = <&saradc 0>;
> + io-channel-names = "buttons";
> + keyup-threshold-microvolt = <1710000>;
> +
> + button-update {
> + label = "update";
> + linux,code = <KEY_VENDOR>;
> + press-threshold-microvolt = <10000>;
> + };
> + };
> +
> + gpio-keys-polled {
> + compatible = "gpio-keys-polled";
> + #address-cells = <1>;
> + #size-cells = <0>;
> + poll-interval = <100>;
> +
> + button-power {
> + label = "power";
> + linux,code = <KEY_POWER>;
> + gpios = <&gpio_ao GPIOAO_2 GPIO_ACTIVE_LOW>;
> + };
> + };
> +};
> +
> +/* Disabled as Realtek RTL8152 USB provides Ethernet */
> +ðmac {
> + status = "disabled";
> +};
> +
> +&internal_phy {
> + status = "disabled";
> +};
> +
> +&ir {
> + linux,rc-map-name = "rc-wetek-play2";
> +};
> +
> +/* This is connected to the Bluetooth module: */
> +&uart_A {
> + status = "okay";
> + pinctrl-0 = <&uart_a_pins>, <&uart_a_cts_rts_pins>;
> + pinctrl-names = "default";
> + uart-has-rtscts;
> +
> + bluetooth {
> + compatible = "brcm,bcm43438-bt";
> + enable-gpios = <&gpio GPIOX_17 GPIO_ACTIVE_HIGH>;
> + max-speed = <2000000>;
> + clocks = <&wifi32k>;
> + clock-names = "lpo";
> + };
> +};
>
Reviewed-by: Neil Armstrong <narmstrong@xxxxxxxxxxxx>
