[PATCH v2 2/2] arm64: dts: amlogic: add support for Radxa ZERO 2 Pro

FUKAUMI Naoki naoki at radxa.com
Thu Jul 11 22:01:59 PDT 2024 

Hi,

On 7/12/24 13:55, Christian Hewitt wrote:
>> On 12 Jul 2024, at 12:20 AM, FUKAUMI Naoki <naoki at radxa.com> wrote:
>>
>> Radxa ZERO 2 Pro is a ultra tiny high performance SBC[1] using the
>> Amlogic A311D chip that ships in a number of eMMC configurations:
>>
>> - Amlogic A311D SoC
>> - Quad A73 + Dual A53 CPU
>> - Mali G52-MP4 GPU
>> - NPU (5 TOPs)
>> - 4GB LPDDR4 RAM
>> - 32/64/128GB eMMC
>> - micro SD Card slot
>> - Wi-Fi 5 and BT 5.0
>> - 1x USB 2.0 Type-C port (OTG)
>> - 1x USB 3.0 Type-C port (Host)
>> - Micro HDMI 2.0
>> - MIPI DSI
>> - MIPI CSI
>> - 40 Pin GPIO header
>>
>> [1] https://radxa.com/products/zeros/zero2pro
> 
>                                           ^^^
> The Radxa website team uses this :)

please open link in browser.
(I'm not talking about URL)

--
FUKAUMI Naoki
Radxa Computer (Shenzhen) Co., Ltd.

>>
>> Signed-off-by: FUKAUMI Naoki <naoki at radxa.com>
>>
>> Changes in v2:
>> - fix dtb build error
>> ---
>> arch/arm64/boot/dts/amlogic/Makefile          |   1 +
>> .../amlogic/meson-g12b-radxa-zero-2pro.dts    |  14 +
> 
> If it’s a Radxa Zero 2 ‘Pro’ then meson-g12b-zero2-pro.dts
> or meson-g12b-zero2pro.dts would be appropriate. The Zero
> ‘2pro’ filename is giving me OCD twitches.
> 
> CH.
> 
>> .../dts/amlogic/meson-g12b-radxa-zero2.dts    | 527 +-----------------
>> ...-zero2.dts => meson-g12b-radxa-zero2.dtsi} |   6 +-
>> 4 files changed, 30 insertions(+), 518 deletions(-)
>> create mode 100644 arch/arm64/boot/dts/amlogic/meson-g12b-radxa-zero-2pro.dts
>> rewrite arch/arm64/boot/dts/amlogic/meson-g12b-radxa-zero2.dts (98%)
>> copy arch/arm64/boot/dts/amlogic/{meson-g12b-radxa-zero2.dts => meson-g12b-radxa-zero2.dtsi} (98%)
>>
>> diff --git a/arch/arm64/boot/dts/amlogic/Makefile b/arch/arm64/boot/dts/amlogic/Makefile
>> index 29417f04f886..4f95721698d0 100644
>> --- a/arch/arm64/boot/dts/amlogic/Makefile
>> +++ b/arch/arm64/boot/dts/amlogic/Makefile
>> @@ -31,6 +31,7 @@ dtb-$(CONFIG_ARCH_MESON) += meson-g12b-odroid-go-ultra.dtb
>> dtb-$(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-$(CONFIG_ARCH_MESON) += meson-g12b-radxa-zero-2pro.dtb
>> dtb-$(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
>> diff --git a/arch/arm64/boot/dts/amlogic/meson-g12b-radxa-zero-2pro.dts b/arch/arm64/boot/dts/amlogic/meson-g12b-radxa-zero-2pro.dts
>> new file mode 100644
>> index 000000000000..62e44de9a550
>> --- /dev/null
>> +++ b/arch/arm64/boot/dts/amlogic/meson-g12b-radxa-zero-2pro.dts
>> @@ -0,0 +1,14 @@
>> +// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
>> +
>> +/dts-v1/;
>> +
>> +#include "meson-g12b-radxa-zero2.dtsi"
>> +
>> +/ {
>> + compatible = "radxa,zero-2pro", "amlogic,a311d", "amlogic,g12b";
>> + model = "Radxa ZERO 2 Pro";
>> +};
>> +
>> +&sound {
>> + model = "RADXA-ZERO-2PRO";
>> +};
>> diff --git a/arch/arm64/boot/dts/amlogic/meson-g12b-radxa-zero2.dts b/arch/arm64/boot/dts/amlogic/meson-g12b-radxa-zero2.dts
>> dissimilarity index 98%
>> index 8445701100d0..b4734cb63aaa 100644
>> --- a/arch/arm64/boot/dts/amlogic/meson-g12b-radxa-zero2.dts
>> +++ b/arch/arm64/boot/dts/amlogic/meson-g12b-radxa-zero2.dts
>> @@ -1,513 +1,14 @@
>> -// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
>> -/*
>> - * Copyright (c) 2019 BayLibre, SAS
>> - * Author: Neil Armstrong <narmstrong at baylibre.com>
>> - * Copyright (c) 2019 Christian Hewitt <christianshewitt at gmail.com>
>> - * Copyright (c) 2022 Radxa Limited
>> - * Author: Yuntian Zhang <yt at radxa.com>
>> - */
>> -
>> -/dts-v1/;
>> -
>> -#include "meson-g12b-a311d.dtsi"
>> -#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>
>> -
>> -/ {
>> - compatible = "radxa,zero2", "amlogic,a311d", "amlogic,g12b";
>> - model = "Radxa Zero2";
>> -
>> - aliases {
>> - serial0 = &uart_AO;
>> - serial2 = &uart_A;
>> - };
>> -
>> - chosen {
>> - stdout-path = "serial0:115200n8";
>> - };
>> -
>> - memory at 0 {
>> - device_type = "memory";
>> - reg = <0x0 0x0 0x0 0x80000000>;
>> - };
>> -
>> - fan0: pwm-fan {
>> - compatible = "pwm-fan";
>> - #cooling-cells = <2>;
>> - cooling-levels = <0 64 128 192 255>;
>> - pwms = <&pwm_AO_ab 0 40000 0>;
>> - };
>> -
>> - gpio-keys-polled {
>> - compatible = "gpio-keys-polled";
>> - poll-interval = <100>;
>> - power-button {
>> - label = "power";
>> - linux,code = <KEY_POWER>;
>> - gpios = <&gpio_ao GPIOAO_3 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>;
>> - };
>> - };
>> -
>> - leds {
>> - compatible = "gpio-leds";
>> -
>> - led-green {
>> - color = <LED_COLOR_ID_GREEN>;
>> - function = LED_FUNCTION_STATUS;
>> - gpios = <&gpio GPIOA_12 GPIO_ACTIVE_HIGH>;
>> - linux,default-trigger = "heartbeat";
>> - };
>> - };
>> -
>> - hdmi-connector {
>> - compatible = "hdmi-connector";
>> - type = "a";
>> -
>> - port {
>> - hdmi_connector_in: endpoint {
>> - remote-endpoint = <&hdmi_tx_tmds_out>;
>> - };
>> - };
>> - };
>> -
>> - emmc_pwrseq: emmc-pwrseq {
>> - compatible = "mmc-pwrseq-emmc";
>> - reset-gpios = <&gpio BOOT_12 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";
>> - };
>> -
>> - ao_5v: regulator-ao-5v {
>> - compatible = "regulator-fixed";
>> - regulator-name = "AO_5V";
>> - regulator-min-microvolt = <5000000>;
>> - regulator-max-microvolt = <5000000>;
>> - 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;
>> - };
>> -
>> - vcc_3v3: regulator-vcc-3v3 {
>> - compatible = "regulator-fixed";
>> - regulator-name = "VCC_3V3";
>> - regulator-min-microvolt = <3300000>;
>> - regulator-max-microvolt = <3300000>;
>> - vin-supply = <&vddao_3v3>;
>> - regulator-always-on;
>> - /* FIXME: actually controlled by VDDCPU_B_EN */
>> - };
>> -
>> - vddao_1v8: regulator-vddao-1v8 {
>> - compatible = "regulator-fixed";
>> - regulator-name = "VDDIO_AO1V8";
>> - regulator-min-microvolt = <1800000>;
>> - regulator-max-microvolt = <1800000>;
>> - vin-supply = <&vddao_3v3>;
>> - regulator-always-on;
>> - };
>> -
>> - vddao_3v3: regulator-vddao-3v3 {
>> - compatible = "regulator-fixed";
>> - regulator-name = "VDDAO_3V3";
>> - regulator-min-microvolt = <3300000>;
>> - regulator-max-microvolt = <3300000>;
>> - vin-supply = <&ao_5v>;
>> - regulator-always-on;
>> - };
>> -
>> - vddcpu_a: regulator-vddcpu-a {
>> - /*
>> - * MP8756GD Regulator.
>> - */
>> - compatible = "pwm-regulator";
>> -
>> - regulator-name = "VDDCPU_A";
>> - regulator-min-microvolt = <730000>;
>> - regulator-max-microvolt = <1022000>;
>> -
>> - pwm-supply = <&ao_5v>;
>> -
>> - pwms = <&pwm_ab 0 1250 0>;
>> - pwm-dutycycle-range = <100 0>;
>> -
>> - regulator-boot-on;
>> - regulator-always-on;
>> - };
>> -
>> - vddcpu_b: regulator-vddcpu-b {
>> - /*
>> - * Silergy SY8120B1ABC Regulator.
>> - */
>> - compatible = "pwm-regulator";
>> -
>> - regulator-name = "VDDCPU_B";
>> - regulator-min-microvolt = <730000>;
>> - regulator-max-microvolt = <1022000>;
>> -
>> - pwm-supply = <&ao_5v>;
>> -
>> - pwms = <&pwm_AO_cd 1 1250 0>;
>> - pwm-dutycycle-range = <100 0>;
>> -
>> - regulator-boot-on;
>> - regulator-always-on;
>> - };
>> -
>> - sound {
>> - compatible = "amlogic,axg-sound-card";
>> - model = "RADXA-ZERO2";
>> - 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>;
>> - };
>> - };
>> - };
>> -
>> - wifi32k: clock-0 {
>> - compatible = "pwm-clock";
>> - #clock-cells = <0>;
>> - clock-frequency = <32768>;
>> - pwms = <&pwm_ef 0 30518 0>; /* PWM_E at 32.768KHz */
>> - };
>> -};
>> -
>> -&arb {
>> - status = "okay";
>> -};
>> -
>> -&cec_AO {
>> - pinctrl-0 = <&cec_ao_a_h_pins>;
>> - pinctrl-names = "default";
>> - status = "disabled";
>> - hdmi-phandle = <&hdmi_tx>;
>> -};
>> -
>> -&cecb_AO {
>> - pinctrl-0 = <&cec_ao_b_h_pins>;
>> - pinctrl-names = "default";
>> - status = "okay";
>> - hdmi-phandle = <&hdmi_tx>;
>> -};
>> -
>> -&clkc_audio {
>> - status = "okay";
>> -};
>> -
>> -&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>;
>> -};
>> -
>> -&cpu_thermal {
>> - trips {
>> - cpu_active: cpu-active {
>> - temperature = <70000>; /* millicelsius */
>> - hysteresis = <2000>; /* millicelsius */
>> - type = "active";
>> - };
>> - };
>> -
>> - cooling-maps {
>> - map2 {
>> - trip = <&cpu_active>;
>> - cooling-device = <&fan0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
>> - };
>> - };
>> -};
>> -
>> -&frddr_a {
>> - status = "okay";
>> -};
>> -
>> -&frddr_b {
>> - status = "okay";
>> -};
>> -
>> -&frddr_c {
>> - status = "okay";
>> -};
>> -
>> -&gpio {
>> - gpio-line-names =
>> - /* GPIOZ */
>> - "PIN_27", "PIN_28", "PIN_7", "PIN_11", "PIN_13", "PIN_15", "PIN_18", "PIN_40",
>> - "", "", "", "", "", "", "", "",
>> - /* GPIOH */
>> - "", "", "", "", "PIN_19", "PIN_21", "PIN_24", "PIN_23",
>> - "",
>> - /* BOOT */
>> - "", "", "", "", "", "", "", "",
>> - "", "", "", "", "EMMC_PWRSEQ", "", "", "",
>> - /* GPIOC */
>> - "", "", "", "", "", "", "SD_CD", "PIN_36",
>> - /* GPIOA */
>> - "PIN_32", "PIN_12", "PIN_35", "", "", "PIN_38", "", "",
>> - "", "", "", "", "LED_GREEN", "PIN_31", "PIN_3", "PIN_5",
>> - /* GPIOX */
>> - "", "", "", "", "", "", "SDIO_PWRSEQ", "",
>> - "", "", "", "", "", "", "", "",
>> - "", "BT_SHUTDOWN", "", "";
>> -};
>> -
>> -&gpio_ao {
>> - gpio-line-names =
>> - /* GPIOAO */
>> - "PIN_8", "PIN_10", "", "BTN_POWER", "", "", "", "PIN_29",
>> - "PIN_33", "PIN_37", "FAN", "",
>> - /* GPIOE */
>> - "", "", "";
>> -};
>> -
>> -&hdmi_tx {
>> - status = "okay";
>> - pinctrl-0 = <&hdmitx_hpd_pins>, <&hdmitx_ddc_pins>;
>> - pinctrl-names = "default";
>> - hdmi-supply = <&ao_5v>;
>> -};
>> -
>> -&hdmi_tx_tmds_port {
>> - hdmi_tx_tmds_out: endpoint {
>> - remote-endpoint = <&hdmi_connector_in>;
>> - };
>> -};
>> -
>> -&ir {
>> - status = "disabled";
>> - pinctrl-0 = <&remote_input_ao_pins>;
>> - pinctrl-names = "default";
>> -};
>> -
>> -&pwm_ab {
>> - pinctrl-0 = <&pwm_a_e_pins>;
>> - pinctrl-names = "default";
>> - clocks = <&xtal>;
>> - clock-names = "clkin0";
>> - status = "okay";
>> -};
>> -
>> -&pwm_ef {
>> - pinctrl-0 = <&pwm_e_pins>;
>> - pinctrl-names = "default";
>> - clocks = <&xtal>;
>> - clock-names = "clkin0";
>> - status = "okay";
>> -};
>> -
>> -&pwm_AO_ab {
>> - pinctrl-0 = <&pwm_ao_a_pins>;
>> - pinctrl-names = "default";
>> - clocks = <&xtal>;
>> - clock-names = "clkin0";
>> - status = "okay";
>> -};
>> -
>> -&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 {
>> - status = "okay";
>> - pinctrl-0 = <&sdio_pins>;
>> - pinctrl-1 = <&sdio_clk_gate_pins>;
>> - pinctrl-names = "default", "clk-gate";
>> - #address-cells = <1>;
>> - #size-cells = <0>;
>> -
>> - bus-width = <4>;
>> - cap-sd-highspeed;
>> - max-frequency = <100000000>;
>> -
>> - non-removable;
>> - disable-wp;
>> -
>> - /* WiFi firmware requires power to be kept while in suspend */
>> - keep-power-in-suspend;
>> -
>> - mmc-pwrseq = <&sdio_pwrseq>;
>> -
>> - vmmc-supply = <&vddao_3v3>;
>> - vqmmc-supply = <&vddao_1v8>;
>> -
>> - brcmf: wifi at 1 {
>> - reg = <1>;
>> - compatible = "brcm,bcm4329-fmac";
>> - };
>> -};
>> -
>> -/* 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 = <&vddao_3v3>;
>> - vqmmc-supply = <&vddao_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 = <&vcc_1v8>;
>> -};
>> -
>> -&tdmif_b {
>> - status = "okay";
>> -};
>> -
>> -&tdmout_b {
>> - status = "okay";
>> -};
>> -
>> -&tohdmitx {
>> - status = "okay";
>> -};
>> -
>> -&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";
>> - shutdown-gpios = <&gpio GPIOX_17 GPIO_ACTIVE_HIGH>;
>> - max-speed = <2000000>;
>> - clocks = <&wifi32k>;
>> - clock-names = "lpo";
>> - };
>> -};
>> -
>> -&uart_AO {
>> - status = "okay";
>> - pinctrl-0 = <&uart_ao_a_pins>;
>> - pinctrl-names = "default";
>> -};
>> -
>> -&usb {
>> - status = "okay";
>> -};
>> +// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
>> +
>> +/dts-v1/;
>> +
>> +#include "meson-g12b-radxa-zero2.dtsi"
>> +
>> +/ {
>> + compatible = "radxa,zero2", "amlogic,a311d", "amlogic,g12b";
>> + model = "Radxa ZERO2";
>> +};
>> +
>> +&sound {
>> + model = "RADXA-ZERO2";
>> +};
>> diff --git a/arch/arm64/boot/dts/amlogic/meson-g12b-radxa-zero2.dts b/arch/arm64/boot/dts/amlogic/meson-g12b-radxa-zero2.dtsi
>> similarity index 98%
>> copy from arch/arm64/boot/dts/amlogic/meson-g12b-radxa-zero2.dts
>> copy to arch/arm64/boot/dts/amlogic/meson-g12b-radxa-zero2.dtsi
>> index 8445701100d0..b73c4a423dfd 100644
>> --- a/arch/arm64/boot/dts/amlogic/meson-g12b-radxa-zero2.dts
>> +++ b/arch/arm64/boot/dts/amlogic/meson-g12b-radxa-zero2.dtsi
>> @@ -16,9 +16,6 @@
>> #include <dt-bindings/sound/meson-g12a-tohdmitx.h>
>>
>> / {
>> - compatible = "radxa,zero2", "amlogic,a311d", "amlogic,g12b";
>> - model = "Radxa Zero2";
>> -
>> aliases {
>> serial0 = &uart_AO;
>> serial2 = &uart_A;
>> @@ -167,9 +164,8 @@ vddcpu_b: regulator-vddcpu-b {
>> regulator-always-on;
>> };
>>
>> - sound {
>> + sound: sound {
>> compatible = "amlogic,axg-sound-card";
>> - model = "RADXA-ZERO2";
>> audio-aux-devs = <&tdmout_b>;
>> audio-routing = "TDMOUT_B IN 0", "FRDDR_A OUT 1",
>> "TDMOUT_B IN 1", "FRDDR_B OUT 1",
>> -- 
>> 2.43.0
>>
>>
>> _______________________________________________
>> linux-amlogic mailing list
>> linux-amlogic at lists.infradead.org
>> http://lists.infradead.org/mailman/listinfo/linux-amlogic
> 
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