Re: [PATCH 08/13] ARM: dts: add support for Radxa Zero2

23 Mar 2023

On 23/03/2023 07:54, Christian Hewitt wrote:
...
Import the device-tree from linux-amlogic/for-next (Linux 6.4-rc1)
to support the Radxa-Zero2 board.
Signed-off-by: Christian Hewitt christianshewitt@gmail.com
arch/arm/dts/Makefile                         |   1 +
  .../dts/meson-g12b-radxa-zero2-u-boot.dtsi    |   7 +
  arch/arm/dts/meson-g12b-radxa-zero2.dts       | 489 ++++++++++++++++++
  3 files changed, 497 insertions(+)
  create mode 100644 arch/arm/dts/meson-g12b-radxa-zero2-u-boot.dtsi
  create mode 100644 arch/arm/dts/meson-g12b-radxa-zero2.dts

diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index eb20524a99..42da335bb5 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -214,6 +214,7 @@ dtb-$(CONFIG_ARCH_MESON) += \
   meson-g12b-odroid-n2.dtb \
   meson-g12b-odroid-n2l.dtb \
   meson-g12b-odroid-n2-plus.dtb \

meson-g12b-radxa-zero2.dtb \
meson-sm1-bananapi-m2-pro.dtb \
meson-sm1-bananapi-m5.dtb \
meson-sm1-khadas-vim3l.dtb \

diff --git a/arch/arm/dts/meson-g12b-radxa-zero2-u-boot.dtsi b/arch/arm/dts/meson-g12b-radxa-zero2-u-boot.dtsi
new file mode 100644
index 0000000000..236f2468dc
--- /dev/null
+++ b/arch/arm/dts/meson-g12b-radxa-zero2-u-boot.dtsi
@@ -0,0 +1,7 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*


Copyright (c) 2019 BayLibre, SAS.



Author: Neil Armstrong narmstrong@baylibre.com


*/


+#include "meson-g12-common-u-boot.dtsi"
diff --git a/arch/arm/dts/meson-g12b-radxa-zero2.dts b/arch/arm/dts/meson-g12b-radxa-zero2.dts
new file mode 100644
index 0000000000..890f5bfebb
--- /dev/null
+++ b/arch/arm/dts/meson-g12b-radxa-zero2.dts
@@ -0,0 +1,489 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*


Copyright (c) 2019 BayLibre, SAS



Author: Neil Armstrong narmstrong@baylibre.com



Copyright (c) 2019 Christian Hewitt christianshewitt@gmail.com



Copyright (c) 2022 Radxa Limited



Author: Yuntian Zhang yt@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@0 {
device_type = "memory";


reg = <0x0 0x0 0x0 0x80000000>;


};

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>;

+};



+&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@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";

+};
Reviewed-by: Neil Armstrong neil.armstrong@linaro.org

    