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Message-Id: <20210810102613.25149-3-christianshewitt@gmail.com>
Date: Tue, 10 Aug 2021 10:26:13 +0000
From: Christian Hewitt <christianshewitt@...il.com>
To: Rob Herring <robh+dt@...nel.org>,
Mark Rutland <mark.rutland@....com>,
Kevin Hilman <khilman@...libre.com>,
devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
linux-amlogic@...ts.infradead.org, linux-kernel@...r.kernel.org
Cc: Christian Hewitt <christianshewitt@...il.com>
Subject: [PATCH v2 2/2] arm64: dts: amlogic: add support for Radxa Zero
Radxa Zero is a small form factor SBC based on the Amlogic S905Y2
chipset that ships in a number of RAM/eMMC configurations:
Boards with 512MB/1GB LPDDR4 RAM have no eMMC storage and BCM43436
wireless (2.4GHz b/g/n) while 2GB/4GB boards have 8/16/32/64/128GB
eMMC storage and BCM4345 wireless (2.4/5GHz a/b/g/n/ac).
- Amlogic S905Y2 quad-core Cortex-A53
- Mali G31-MP2 GPU
- HDMI 2.1 output (micro)
- 1x USB 2.0 port - Type C (OTG)
- 1x USB 3.0 port - Type C (Host)
- 1x micro SD Card slot
- 40 Pin GPIO header
Signed-off-by: Christian Hewitt <christianshewitt@...il.com>
---
arch/arm64/boot/dts/amlogic/Makefile | 1 +
.../dts/amlogic/meson-g12a-radxa-zero.dts | 407 ++++++++++++++++++
2 files changed, 408 insertions(+)
create mode 100644 arch/arm64/boot/dts/amlogic/meson-g12a-radxa-zero.dts
diff --git a/arch/arm64/boot/dts/amlogic/Makefile b/arch/arm64/boot/dts/amlogic/Makefile
index faa0a79a34f5..be308361e2f1 100644
--- a/arch/arm64/boot/dts/amlogic/Makefile
+++ b/arch/arm64/boot/dts/amlogic/Makefile
@@ -1,5 +1,6 @@
# SPDX-License-Identifier: GPL-2.0
dtb-$(CONFIG_ARCH_MESON) += meson-axg-s400.dtb
+dtb-$(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
diff --git a/arch/arm64/boot/dts/amlogic/meson-g12a-radxa-zero.dts b/arch/arm64/boot/dts/amlogic/meson-g12a-radxa-zero.dts
new file mode 100644
index 000000000000..c7bf2ee41134
--- /dev/null
+++ b/arch/arm64/boot/dts/amlogic/meson-g12a-radxa-zero.dts
@@ -0,0 +1,407 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (c) 2018 BayLibre SAS. All rights reserved.
+ */
+
+/dts-v1/;
+
+#include "meson-g12a.dtsi"
+#include <dt-bindings/gpio/meson-g12a-gpio.h>
+#include <dt-bindings/sound/meson-g12a-tohdmitx.h>
+
+/ {
+ compatible = "radxa,zero", "amlogic,g12a";
+ model = "Radxa Zero";
+
+ aliases {
+ serial0 = &uart_AO;
+ };
+
+ chosen {
+ stdout-path = "serial0:115200n8";
+ };
+
+ memory@0 {
+ device_type = "memory";
+ reg = <0x0 0x0 0x0 0x40000000>;
+ };
+
+ cvbs-connector {
+ status = "disabled";
+ compatible = "composite-video-connector";
+
+ port {
+ cvbs_connector_in: endpoint {
+ remote-endpoint = <&cvbs_vdac_out>;
+ };
+ };
+ };
+
+ 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;
+ };
+
+ hdmi_pw: regulator-hdmi_pw {
+ compatible = "regulator-fixed";
+ regulator-name = "HDMI_PW";
+ regulator-min-microvolt = <5000000>;
+ regulator-max-microvolt = <5000000>;
+ vin-supply = <&ao_5v>;
+ regulator-always-on;
+ };
+
+ vddao_1v8: regulator-vddao_1v8 {
+ compatible = "regulator-fixed";
+ regulator-name = "VDDAO_1V8";
+ 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: regulator-vddcpu {
+ compatible = "pwm-regulator";
+
+ regulator-name = "VDDCPU";
+ regulator-min-microvolt = <721000>;
+ regulator-max-microvolt = <1022000>;
+
+ vin-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-ZERO";
+ 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>;
+ status = "okay";
+
+ 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>;
+ };
+ };
+
+ dai-link-4 {
+ sound-dai = <&tohdmitx TOHDMITX_I2S_OUT>;
+
+ codec {
+ sound-dai = <&hdmi_tx>;
+ };
+ };
+ };
+
+ wifi32k: wifi32k {
+ 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>;
+ operating-points-v2 = <&cpu_opp_table>;
+ clocks = <&clkc CLKID_CPU_CLK>;
+ clock-latency = <50000>;
+};
+
+&cpu1 {
+ cpu-supply = <&vddcpu>;
+ operating-points-v2 = <&cpu_opp_table>;
+ clocks = <&clkc CLKID_CPU_CLK>;
+ clock-latency = <50000>;
+};
+
+&cpu2 {
+ cpu-supply = <&vddcpu>;
+ operating-points-v2 = <&cpu_opp_table>;
+ clocks = <&clkc CLKID_CPU_CLK>;
+ clock-latency = <50000>;
+};
+
+&cpu3 {
+ cpu-supply = <&vddcpu>;
+ operating-points-v2 = <&cpu_opp_table>;
+ clocks = <&clkc CLKID_CPU_CLK>;
+ clock-latency = <50000>;
+};
+
+&cvbs_vdac_port {
+ cvbs_vdac_out: endpoint {
+ remote-endpoint = <&cvbs_connector_in>;
+ };
+};
+
+&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 = <&hdmi_pw>;
+};
+
+&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_AO_cd {
+ pinctrl-0 = <&pwm_ao_d_e_pins>;
+ pinctrl-names = "default";
+ clocks = <&xtal>;
+ clock-names = "clkin1";
+ status = "okay";
+};
+
+&pwm_ef {
+ status = "okay";
+ pinctrl-0 = <&pwm_e_pins>;
+ pinctrl-names = "default";
+ clocks = <&xtal>;
+ clock-names = "clkin0";
+};
+
+&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;
+ sd-uhs-sdr50;
+ 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";
+ interrupts = <&gpio GPIOX_7 GPIO_ACTIVE_HIGH>;
+ interrupt-names = "host-wake";
+ };
+};
+
+/* 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 = <100000000>;
+ 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";
+ dr_mode = "host";
+};
--
2.17.1
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