[PATCH 2/2] arm64: dts: meson: add initial device-tree for Minix NEO U9-H
Christian Hewitt
christianshewitt at gmail.com
Mon Feb 1 16:05:08 EST 2021
Minix NEO U9-H is based on the Amlogic Q200 reference board with an
S912-H chip and the following specs:
- 2GB DDR3 RAM
- 16GB eMMC
- 10/100/1000 Base-T Ethernet
- AP6356S Wireless (802.11 a/b/g/n/ac, BT 4.1)
- RTC chip
- HDMI 2.1 video
- S/PDIF optical output
- ES8323 audio codec
- Analogue headphone output
- 3x USB 2.0 ports (1x OTG)
- IR receiver
- 1x Power LED (white)
- 1x Power button (rear)
- 1x Update/Reset button (underside)
- 1x micro SD card slot
Tested-by: Wes Bradley <komplex at live.ie>
Signed-off-by: Christian Hewitt <christianshewitt at gmail.com>
---
arch/arm64/boot/dts/amlogic/Makefile | 1 +
.../dts/amlogic/meson-gxm-minix-neo-u9h.dts | 120 ++++++++++++++++++
2 files changed, 121 insertions(+)
create mode 100644 arch/arm64/boot/dts/amlogic/meson-gxm-minix-neo-u9h.dts
diff --git a/arch/arm64/boot/dts/amlogic/Makefile b/arch/arm64/boot/dts/amlogic/Makefile
index dce41cd3f347..46e67de3d6d2 100644
--- a/arch/arm64/boot/dts/amlogic/Makefile
+++ b/arch/arm64/boot/dts/amlogic/Makefile
@@ -38,6 +38,7 @@ dtb-$(CONFIG_ARCH_MESON) += meson-gxl-s905w-p281.dtb
dtb-$(CONFIG_ARCH_MESON) += meson-gxl-s905w-tx3-mini.dtb
dtb-$(CONFIG_ARCH_MESON) += meson-gxl-s905d-libretech-pc.dtb
dtb-$(CONFIG_ARCH_MESON) += meson-gxm-khadas-vim2.dtb
+dtb-$(CONFIG_ARCH_MESON) += meson-gxm-minix-neo-u9h.dtb
dtb-$(CONFIG_ARCH_MESON) += meson-gxm-nexbox-a1.dtb
dtb-$(CONFIG_ARCH_MESON) += meson-gxm-q200.dtb
dtb-$(CONFIG_ARCH_MESON) += meson-gxm-q201.dtb
diff --git a/arch/arm64/boot/dts/amlogic/meson-gxm-minix-neo-u9h.dts b/arch/arm64/boot/dts/amlogic/meson-gxm-minix-neo-u9h.dts
new file mode 100644
index 000000000000..a414cd39c2b1
--- /dev/null
+++ b/arch/arm64/boot/dts/amlogic/meson-gxm-minix-neo-u9h.dts
@@ -0,0 +1,120 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (c) Christian Hewitt <christianshewitt at gmail.com>
+ */
+
+/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 = "minix,neo-u9h", "amlogic,s912", "amlogic,meson-gxm";
+ model = "Minix Neo U9-H";
+
+ leds {
+ compatible = "gpio-leds";
+
+ white {
+ color = <LED_COLOR_ID_WHITE>;
+ function = LED_FUNCTION_POWER;
+ gpios = <&gpio_ao GPIOAO_9 GPIO_ACTIVE_HIGH>;
+ default-state = "on";
+ panic-indicator;
+ };
+ };
+
+ adc-keys {
+ compatible = "adc-keys";
+ io-channels = <&saradc 0>;
+ io-channel-names = "buttons";
+ keyup-threshold-microvolt = <1710000>;
+
+ button-function {
+ 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 at 0 {
+ label = "power";
+ linux,code = <KEY_POWER>;
+ gpios = <&gpio_ao GPIOAO_2 GPIO_ACTIVE_LOW>;
+ };
+ };
+};
+
+ðmac {
+ pinctrl-0 = <ð_pins>;
+ pinctrl-names = "default";
+ phy-handle = <&external_phy>;
+ amlogic,tx-delay-ns = <2>;
+ phy-mode = "rgmii";
+};
+
+&external_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_14 GPIO_ACTIVE_LOW>;
+
+ interrupt-parent = <&gpio_intc>;
+ /* MAC_INTR on GPIOZ_15 */
+ interrupts = <25 IRQ_TYPE_LEVEL_LOW>;
+ };
+};
+
+&ir {
+ linux,rc-map-name = "rc-minix-neo";
+};
+
+&i2c_B {
+ status = "okay";
+ pinctrl-0 = <&i2c_b_pins>;
+ pinctrl-names = "default";
+
+ rtc: rtc at 51 {
+ status = "okay";
+ compatible = "haoyu,hym8563";
+ reg = <0x51>;
+ #clock-cells = <0>;
+ clock-frequency = <32768>;
+ clock-output-names = "xin32k";
+ wakeup-source;
+ };
+};
+
+&sd_emmc_a {
+ brcmf: wifi at 1 {
+ reg = <1>;
+ compatible = "brcm,bcm4329-fmac";
+ };
+};
+
+&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";
+ };
+};
--
2.17.1
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