[PATCH v2 2/2] arm64: dts: meson: add support for BananaPi M2S variants

Neil Armstrong neil.armstrong at linaro.org
Mon Mar 6 00:24:59 PST 2023 

On 05/03/2023 14:45, Christian Hewitt wrote:
> BananaPi M2S ships in Amlogic S922X and A311D variants with the
> following common specifications:
> 
> - 16GB eMMC
> - HDMI 2.1a video
> - 2x 10/100/1000 Base-T Ethernet (1x RTL8211F, 1x RTL811H)
> - 2x USB 2.0 ports
> - 2x Status LED's (green/blue)
> - 1x Power/Reset button
> - 1x micro SD card slot
> - 40-pin GPIO header
> - PWM fan header
> - UART header
> 
> The S992X variant has:
> - 2GB LPDDR4 RAM
> 
> The A311D variant has:
> 
> - 4GB LPDDR4 RAM
> - NPU (5.0 TOPS)
> - MIPI DSI header
> - MIPI CSI header
> 
> An optional RTL8822CS SDIO WiFi/BT mezzanine is available for
> both board variants.
> 
> Signed-off-by: Christian Hewitt <christianshewitt at gmail.com>
> ---
>   arch/arm64/boot/dts/amlogic/Makefile          |   2 +
>   .../amlogic/meson-g12b-a311d-bananapi-m2s.dts |  37 ++
>   .../boot/dts/amlogic/meson-g12b-bananapi.dtsi | 521 ++++++++++++++++++
>   .../amlogic/meson-g12b-s922x-bananapi-m2s.dts |  14 +
>   4 files changed, 574 insertions(+)
>   create mode 100644 arch/arm64/boot/dts/amlogic/meson-g12b-a311d-bananapi-m2s.dts
>   create mode 100644 arch/arm64/boot/dts/amlogic/meson-g12b-bananapi.dtsi
>   create mode 100644 arch/arm64/boot/dts/amlogic/meson-g12b-s922x-bananapi-m2s.dts
> 
> diff --git a/arch/arm64/boot/dts/amlogic/Makefile b/arch/arm64/boot/dts/amlogic/Makefile
> index ccf1ba57fa87..2bb9f1d4bc1a 100644
> --- a/arch/arm64/boot/dts/amlogic/Makefile
> +++ b/arch/arm64/boot/dts/amlogic/Makefile
> @@ -8,6 +8,7 @@ dtb-$(CONFIG_ARCH_MESON) += meson-g12a-radxa-zero.dtb
>   dtb-$(CONFIG_ARCH_MESON) += meson-g12a-sei510.dtb
>   dtb-$(CONFIG_ARCH_MESON) += meson-g12a-u200.dtb
>   dtb-$(CONFIG_ARCH_MESON) += meson-g12a-x96-max.dtb
> +dtb-$(CONFIG_ARCH_MESON) += meson-g12b-a311d-bananapi-m2s.dtb
>   dtb-$(CONFIG_ARCH_MESON) += meson-g12b-a311d-khadas-vim3.dtb
>   dtb-$(CONFIG_ARCH_MESON) += meson-g12b-gsking-x.dtb
>   dtb-$(CONFIG_ARCH_MESON) += meson-g12b-gtking-pro.dtb
> @@ -17,6 +18,7 @@ dtb-$(CONFIG_ARCH_MESON) += meson-g12b-odroid-n2-plus.dtb
>   dtb-$(CONFIG_ARCH_MESON) += meson-g12b-odroid-n2.dtb
>   dtb-$(CONFIG_ARCH_MESON) += meson-g12b-odroid-n2l.dtb
>   dtb-$(CONFIG_ARCH_MESON) += meson-g12b-radxa-zero2.dtb
> +dtb-$(CONFIG_ARCH_MESON) += meson-g12b-s922x-bananapi-m2s.dtb
>   dtb-$(CONFIG_ARCH_MESON) += meson-g12b-s922x-khadas-vim3.dtb
>   dtb-$(CONFIG_ARCH_MESON) += meson-g12b-ugoos-am6.dtb
>   dtb-$(CONFIG_ARCH_MESON) += meson-gxbb-kii-pro.dtb
> diff --git a/arch/arm64/boot/dts/amlogic/meson-g12b-a311d-bananapi-m2s.dts b/arch/arm64/boot/dts/amlogic/meson-g12b-a311d-bananapi-m2s.dts
> new file mode 100644
> index 000000000000..ac6f7ae1d103
> --- /dev/null
> +++ b/arch/arm64/boot/dts/amlogic/meson-g12b-a311d-bananapi-m2s.dts
> @@ -0,0 +1,37 @@
> +// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
> +/*
> + * Copyright (c) 2023 Christian Hewitt <christianshewitt at gmail.com>
> + */
> +
> +/dts-v1/;
> +
> +#include "meson-g12b-a311d.dtsi"
> +#include "meson-g12b-bananapi.dtsi"
> +
> +/ {
> +	compatible = "bananapi,bpi-m2s", "amlogic,a311d", "amlogic,g12b";
> +	model = "BananaPi M2S";
> +
> +	aliases {
> +		i2c0 = &i2c1;
> +		i2c1 = &i2c3;
> +	};
> +};
> +
> +/* Camera (CSI) bus */
> +&i2c1 {
> +	status = "okay";
> +	pinctrl-0 = <&i2c1_sda_h6_pins>, <&i2c1_sck_h7_pins>;
> +	pinctrl-names = "default";
> +};
> +
> +/* Display (DSI) bus */
> +&i2c3 {
> +	status = "okay";
> +	pinctrl-0 = <&i2c3_sda_a_pins>, <&i2c3_sck_a_pins>;
> +	pinctrl-names = "default";
> +};
> +
> +&npu {
> +	status = "okay";
> +};
> diff --git a/arch/arm64/boot/dts/amlogic/meson-g12b-bananapi.dtsi b/arch/arm64/boot/dts/amlogic/meson-g12b-bananapi.dtsi
> new file mode 100644
> index 000000000000..83709787eb91
> --- /dev/null
> +++ b/arch/arm64/boot/dts/amlogic/meson-g12b-bananapi.dtsi
> @@ -0,0 +1,521 @@
> +// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
> +/*
> + * Copyright (c) 2019 BayLibre, SAS
> + * Author: Neil Armstrong <narmstrong at baylibre.com>
> + * Copyright (c) 2023 Christian Hewitt <christianshewitt at gmail.com>
> + */
> +
> +#include <dt-bindings/input/input.h>
> +#include <dt-bindings/leds/common.h>
> +#include <dt-bindings/gpio/meson-g12a-gpio.h>
> +#include <dt-bindings/sound/meson-g12a-tohdmitx.h>
> +
> +/ {
> +	aliases {
> +		serial0 = &uart_AO;
> +		ethernet0 = ðmac;
> +		rtc1 = &vrtc;
> +	};
> +
> +	chosen {
> +		stdout-path = "serial0:115200n8";
> +	};
> +
> +	memory at 0 {
> +		device_type = "memory";
> +		reg = <0x0 0x0 0x0 0x80000000>; /* 2 GiB or 4 GiB */
> +	};
> +
> +	adc-keys {
> +		compatible = "adc-keys";
> +		io-channels = <&saradc 2>;
> +		io-channel-names = "buttons";
> +		keyup-threshold-microvolt = <1710000>;
> +
> +		button-function {
> +			label = "RST";
> +			linux,code = <KEY_POWER>;
> +			press-threshold-microvolt = <10000>;
> +		};
> +	};
> +
> +	emmc_pwrseq: emmc-pwrseq {
> +		compatible = "mmc-pwrseq-emmc";
> +		reset-gpios = <&gpio BOOT_12 GPIO_ACTIVE_LOW>;
> +	};
> +
> +	fan0: pwm-fan {
> +		compatible = "pwm-fan";
> +		#cooling-cells = <2>;
> +		cooling-min-state = <0>;
> +		cooling-max-state = <3>;
> +		cooling-levels = <0 120 170 220>;
> +		pwms = <&pwm_cd 1 40000 0>;
> +	};
> +
> +	hdmi-connector {
> +		compatible = "hdmi-connector";
> +		type = "a";
> +
> +		port {
> +			hdmi_connector_in: endpoint {
> +				remote-endpoint = <&hdmi_tx_tmds_out>;
> +			};
> +		};
> +	};
> +
> +	leds {
> +		compatible = "gpio-leds";
> +
> +		led-0 {
> +			color = <LED_COLOR_ID_BLUE>;
> +			function = LED_FUNCTION_STATUS;
> +			gpios = <&gpio_ao GPIOAO_7 GPIO_ACTIVE_LOW>;
> +			linux,default-trigger = "heartbeat";
> +		};
> +
> +		led-1 {
> +			color = <LED_COLOR_ID_GREEN>;
> +			function = LED_FUNCTION_STATUS;
> +			gpios = <&gpio_ao GPIOAO_2 GPIO_ACTIVE_LOW>;
> +		};
> +	};
> +
> +	sdio_pwrseq: sdio-pwrseq {
> +		compatible = "mmc-pwrseq-simple";
> +		reset-gpios = <&gpio GPIOX_6 GPIO_ACTIVE_LOW>;
> +		clocks = <&wifi32k>;
> +		clock-names = "ext_clock";
> +	};
> +
> +	wifi32k: wifi32k {
> +		compatible = "pwm-clock";
> +		#clock-cells = <0>;
> +		clock-frequency = <32768>;
> +		pwms = <&pwm_ef 0 30518 0>; /* PWM_E at 32.768KHz */
> +	};
> +
> +	dc_in: regulator-dc-in {
> +		compatible = "regulator-fixed";
> +		regulator-name = "DC_IN";
> +		regulator-min-microvolt = <5000000>;
> +		regulator-max-microvolt = <5000000>;
> +		regulator-always-on;
> +	};
> +
> +	vcc_5v: regulator-vcc-5v {
> +		compatible = "regulator-fixed";
> +		regulator-name = "VCC_5V";
> +		regulator-min-microvolt = <5000000>;
> +		regulator-max-microvolt = <5000000>;
> +		vin-supply = <&dc_in>;
> +
> +		gpio = <&gpio GPIOH_8 GPIO_OPEN_DRAIN>;
> +		enable-active-high;
> +	};
> +
> +	vcc_3v3: regulator-vcc-3v3 {
> +		compatible = "regulator-fixed";
> +		regulator-name = "VCC_3V3";
> +		regulator-min-microvolt = <3300000>;
> +		regulator-max-microvolt = <3300000>;
> +		vin-supply = <&vsys_3v3>;
> +		regulator-always-on;
> +	};
> +
> +	vcc_1v8: regulator-vcc-1v8 {
> +		compatible = "regulator-fixed";
> +		regulator-name = "VCC_1V8";
> +		regulator-min-microvolt = <1800000>;
> +		regulator-max-microvolt = <1800000>;
> +		vin-supply = <&vcc_3v3>;
> +		regulator-always-on;
> +	};
> +
> +	vddao_1v8: regulator-vddao-1v8 {
> +		compatible = "regulator-fixed";
> +		regulator-name = "VDDIO_AO1V8";
> +		regulator-min-microvolt = <1800000>;
> +		regulator-max-microvolt = <1800000>;
> +		vin-supply = <&vsys_3v3>;
> +		regulator-always-on;
> +	};
> +
> +	vddcpu_a: regulator-vddcpu-a {
> +		compatible = "pwm-regulator";
> +		regulator-name = "VDDCPU_A";
> +		regulator-min-microvolt = <690000>;
> +		regulator-max-microvolt = <1050000>;
> +		pwm-supply = <&dc_in>;
> +		pwms = <&pwm_ab 0 1250 0>;
> +		pwm-dutycycle-range = <100 0>;
> +		regulator-boot-on;
> +		regulator-always-on;
> +	};
> +
> +	vddcpu_b: regulator-vddcpu-b {
> +		compatible = "pwm-regulator";
> +		regulator-name = "VDDCPU_B";
> +		regulator-min-microvolt = <690000>;
> +		regulator-max-microvolt = <1050000>;
> +		pwm-supply = <&vsys_3v3>;
> +		pwms = <&pwm_AO_cd 1 1250 0>;
> +		pwm-dutycycle-range = <100 0>;
> +		regulator-boot-on;
> +		regulator-always-on;
> +	};
> +
> +	vsys_3v3: regulator-vsys-3v3 {
> +		compatible = "regulator-fixed";
> +		regulator-name = "VSYS_3V3";
> +		regulator-min-microvolt = <3300000>;
> +		regulator-max-microvolt = <3300000>;
> +		vin-supply = <&dc_in>;
> +		regulator-always-on;
> +	};
> +
> +	emmc_1v8: regulator-emmc-1v8 {
> +		compatible = "regulator-fixed";
> +		regulator-name = "EMMC_AO1V8";
> +		regulator-min-microvolt = <1800000>;
> +		regulator-max-microvolt = <1800000>;
> +		vin-supply = <&vcc_3v3>;
> +		regulator-always-on;
> +	};
> +
> +	usb_pwr: regulator-usb-pwr {
> +		compatible = "regulator-fixed";
> +		regulator-name = "USB_PWR";
> +		regulator-min-microvolt = <5000000>;
> +		regulator-max-microvolt = <5000000>;
> +		vin-supply = <&vcc_5v>;
> +
> +		gpio = <&gpio GPIOA_6 GPIO_ACTIVE_HIGH>;
> +		enable-active-high;
> +	};
> +
> +	sound {
> +		compatible = "amlogic,axg-sound-card";
> +		model = "BPI-M2S";
> +		audio-aux-devs = <&tdmout_b>;
> +		audio-routing = "TDMOUT_B IN 0", "FRDDR_A OUT 1",
> +				"TDMOUT_B IN 1", "FRDDR_B OUT 1",
> +				"TDMOUT_B IN 2", "FRDDR_C OUT 1",
> +				"TDM_B Playback", "TDMOUT_B OUT";
> +
> +		assigned-clocks = <&clkc CLKID_MPLL2>,
> +				  <&clkc CLKID_MPLL0>,
> +				  <&clkc CLKID_MPLL1>;
> +		assigned-clock-parents = <0>, <0>, <0>;
> +		assigned-clock-rates = <294912000>,
> +				       <270950400>,
> +				       <393216000>;
> +
> +		dai-link-0 {
> +			sound-dai = <&frddr_a>;
> +		};
> +
> +		dai-link-1 {
> +			sound-dai = <&frddr_b>;
> +		};
> +
> +		dai-link-2 {
> +			sound-dai = <&frddr_c>;
> +		};
> +
> +		/* 8ch hdmi interface */
> +		dai-link-3 {
> +			sound-dai = <&tdmif_b>;
> +			dai-format = "i2s";
> +			dai-tdm-slot-tx-mask-0 = <1 1>;
> +			dai-tdm-slot-tx-mask-1 = <1 1>;
> +			dai-tdm-slot-tx-mask-2 = <1 1>;
> +			dai-tdm-slot-tx-mask-3 = <1 1>;
> +			mclk-fs = <256>;
> +
> +			codec {
> +				sound-dai = <&tohdmitx TOHDMITX_I2S_IN_B>;
> +			};
> +		};
> +
> +		/* hdmi glue */
> +		dai-link-4 {
> +			sound-dai = <&tohdmitx TOHDMITX_I2S_OUT>;
> +
> +			codec {
> +				sound-dai = <&hdmi_tx>;
> +			};
> +		};
> +	};
> +};
> +
> +&arb {
> +	status = "okay";
> +};
> +
> +&clkc_audio {
> +	status = "okay";
> +};
> +
> +&cecb_AO {
> +	pinctrl-0 = <&cec_ao_b_h_pins>;
> +	pinctrl-names = "default";
> +	status = "okay";
> +	hdmi-phandle = <&hdmi_tx>;
> +};
> +
> +&cpu0 {
> +	cpu-supply = <&vddcpu_b>;
> +	operating-points-v2 = <&cpu_opp_table_0>;
> +	clocks = <&clkc CLKID_CPU_CLK>;
> +	clock-latency = <50000>;
> +};
> +
> +&cpu1 {
> +	cpu-supply = <&vddcpu_b>;
> +	operating-points-v2 = <&cpu_opp_table_0>;
> +	clocks = <&clkc CLKID_CPU_CLK>;
> +	clock-latency = <50000>;
> +};
> +
> +&cpu100 {
> +	cpu-supply = <&vddcpu_a>;
> +	operating-points-v2 = <&cpub_opp_table_1>;
> +	clocks = <&clkc CLKID_CPUB_CLK>;
> +	clock-latency = <50000>;
> +};
> +
> +&cpu101 {
> +	cpu-supply = <&vddcpu_a>;
> +	operating-points-v2 = <&cpub_opp_table_1>;
> +	clocks = <&clkc CLKID_CPUB_CLK>;
> +	clock-latency = <50000>;
> +};
> +
> +&cpu102 {
> +	cpu-supply = <&vddcpu_a>;
> +	operating-points-v2 = <&cpub_opp_table_1>;
> +	clocks = <&clkc CLKID_CPUB_CLK>;
> +	clock-latency = <50000>;
> +};
> +
> +&cpu103 {
> +	cpu-supply = <&vddcpu_a>;
> +	operating-points-v2 = <&cpub_opp_table_1>;
> +	clocks = <&clkc CLKID_CPUB_CLK>;
> +	clock-latency = <50000>;
> +};
> +
> +&ethmac {
> +	pinctrl-0 = <&eth_pins>, <&eth_rgmii_pins>;
> +	pinctrl-names = "default";
> +	status = "okay";
> +	phy-mode = "rgmii";
> +	phy-handle = <&external_phy>;
> +	amlogic,tx-delay-ns = <2>;
> +};
> +
> +&ext_mdio {
> +	external_phy: ethernet-phy at 0 {
> +		/* Realtek RTL8211F (0x001cc916) */
> +		reg = <0>;
> +		max-speed = <1000>;
> +
> +		reset-assert-us = <10000>;
> +		reset-deassert-us = <80000>;
> +		reset-gpios = <&gpio GPIOZ_15 (GPIO_ACTIVE_LOW | GPIO_OPEN_DRAIN)>;
> +
> +		interrupt-parent = <&gpio_intc>;
> +		/* MAC_INTR on GPIOZ_14 */
> +		interrupts = <26 IRQ_TYPE_LEVEL_LOW>;
> +	};
> +};
> +
> +&frddr_a {
> +	status = "okay";
> +};
> +
> +&frddr_b {
> +	status = "okay";
> +};
> +
> +&frddr_c {
> +	status = "okay";
> +};
> +
> +&hdmi_tx {
> +	status = "okay";
> +	pinctrl-0 = <&hdmitx_hpd_pins>, <&hdmitx_ddc_pins>;
> +	pinctrl-names = "default";
> +	hdmi-supply = <&vcc_5v>;
> +};
> +
> +&hdmi_tx_tmds_port {
> +	hdmi_tx_tmds_out: endpoint {
> +		remote-endpoint = <&hdmi_connector_in>;
> +	};
> +};
> +
> +/* Main i2c bus */
> +&i2c2 {
> +	status = "okay";
> +	pinctrl-0 = <&i2c2_sda_x_pins>, <&i2c2_sck_x_pins>;
> +	pinctrl-names = "default";
> +};
> +
> +&pcie {
> +	status = "okay";
> +	reset-gpios = <&gpio GPIOA_8 GPIO_ACTIVE_LOW>;
> +};
> +
> +&pwm_ab {
> +	status = "okay";
> +	pinctrl-0 = <&pwm_a_e_pins>;
> +	pinctrl-names = "default";
> +	clocks = <&xtal>;
> +	clock-names = "clkin0";
> +};
> +
> +&pwm_cd {
> +	status = "okay";
> +	pinctrl-0 = <&pwm_d_x6_pins>;
> +	pinctrl-names = "default";
> +	pwm-gpios = <&gpio GPIOAO_10 GPIO_ACTIVE_HIGH>;
> +};
> +
> +&pwm_ef {
> +	status = "okay";
> +	pinctrl-0 = <&pwm_e_pins>;
> +	pinctrl-names = "default";
> +};
> +
> +&pwm_AO_cd {
> +	pinctrl-0 = <&pwm_ao_d_e_pins>;
> +	pinctrl-names = "default";
> +	clocks = <&xtal>;
> +	clock-names = "clkin1";
> +	status = "okay";
> +};
> +
> +&saradc {
> +	status = "okay";
> +	vref-supply = <&vddao_1v8>;
> +};
> +
> +/* SDIO */
> +&sd_emmc_a {
> +	/* enable if WiFi/BT board connected */
> +	status = "disabled";
> +	pinctrl-0 = <&sdio_pins>;
> +	pinctrl-1 = <&sdio_clk_gate_pins>;
> +	pinctrl-names = "default", "clk-gate";
> +	#address-cells = <1>;
> +	#size-cells = <0>;
> +
> +	bus-width = <4>;
> +	sd-uhs-sdr104;
> +	max-frequency = <50000000>;
> +
> +	non-removable;
> +	disable-wp;
> +
> +	/* WiFi firmware requires power in suspend */
> +	keep-power-in-suspend;
> +
> +	mmc-pwrseq = <&sdio_pwrseq>;
> +
> +	vmmc-supply = <&vsys_3v3>;
> +	vqmmc-supply = <&vddao_1v8>;
> +
> +	rtl8822cs: wifi at 1 {
> +		reg = <1>;
> +	};
> +};
> +
> +/* SD card */
> +&sd_emmc_b {
> +	status = "okay";
> +	pinctrl-0 = <&sdcard_c_pins>;
> +	pinctrl-1 = <&sdcard_clk_gate_c_pins>;
> +	pinctrl-names = "default", "clk-gate";
> +
> +	bus-width = <4>;
> +	cap-sd-highspeed;
> +	max-frequency = <50000000>;
> +	disable-wp;
> +
> +	cd-gpios = <&gpio GPIOC_6 GPIO_ACTIVE_LOW>;
> +	vmmc-supply = <&vsys_3v3>;
> +	vqmmc-supply = <&vsys_3v3>;
> +};
> +
> +/* eMMC */
> +&sd_emmc_c {
> +	status = "okay";
> +	pinctrl-0 = <&emmc_ctrl_pins>, <&emmc_data_8b_pins>, <&emmc_ds_pins>;
> +	pinctrl-1 = <&emmc_clk_gate_pins>;
> +	pinctrl-names = "default", "clk-gate";
> +
> +	bus-width = <8>;
> +	cap-mmc-highspeed;
> +	mmc-ddr-1_8v;
> +	mmc-hs200-1_8v;
> +	max-frequency = <200000000>;
> +	disable-wp;
> +
> +	mmc-pwrseq = <&emmc_pwrseq>;
> +	vmmc-supply = <&vcc_3v3>;
> +	vqmmc-supply = <&emmc_1v8>;
> +};
> +
> +&tdmif_b {
> +	status = "okay";
> +};
> +
> +&tdmout_b {
> +	status = "okay";
> +};
> +
> +&tohdmitx {
> +	status = "okay";
> +};
> +
> +&uart_A {
> +	/* enable if WiFi/BT board connected */
> +	status = "disabled";
> +	pinctrl-0 = <&uart_a_pins>, <&uart_a_cts_rts_pins>;
> +	pinctrl-names = "default";
> +	uart-has-rtscts;
> +
> +	bluetooth {
> +		compatible = "realtek,rtl8822cs-bt";
> +		enable-gpios  = <&gpio GPIOX_17 GPIO_ACTIVE_HIGH>;
> +		host-wake-gpios = <&gpio GPIOX_19 GPIO_ACTIVE_HIGH>;
> +		device-wake-gpios = <&gpio GPIOX_18 GPIO_ACTIVE_HIGH>;
> +	};
> +};
> +
> +&uart_AO {
> +	status = "okay";
> +	pinctrl-0 = <&uart_ao_a_pins>;
> +	pinctrl-names = "default";
> +};
> +
> +&usb2_phy0 {
> +	phy-supply = <&dc_in>;
> +};
> +
> +&usb2_phy1 {
> +	phy-supply = <&usb_pwr>;
> +};
> +
> +&usb3_pcie_phy {
> +	phy-supply = <&usb_pwr>;
> +};
> +
> +&usb {
> +	status = "okay";
> +	dr_mode = "peripheral";
> +	phys = <&usb2_phy0>, <&usb2_phy1>;
> +	phy-names = "usb2-phy0", "usb2-phy1";
> +};
> diff --git a/arch/arm64/boot/dts/amlogic/meson-g12b-s922x-bananapi-m2s.dts b/arch/arm64/boot/dts/amlogic/meson-g12b-s922x-bananapi-m2s.dts
> new file mode 100644
> index 000000000000..7f66f263a2ce
> --- /dev/null
> +++ b/arch/arm64/boot/dts/amlogic/meson-g12b-s922x-bananapi-m2s.dts
> @@ -0,0 +1,14 @@
> +// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
> +/*
> + * Copyright (c) 2023 Christian Hewitt <christianshewitt at gmail.com>
> + */
> +
> +/dts-v1/;
> +
> +#include "meson-g12b-s922x.dtsi"
> +#include "meson-g12b-bananapi.dtsi"
> +
> +/ {
> +	compatible = "bananapi,bpi-m2s", "amlogic,s922x", "amlogic,g12b";
> +	model = "BananaPi M2S";
> +};

Reviewed-by: Neil Armstrong <neil.armstrong at linaro.org>

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