arm64: dts: meson: add initial device-tree for Minix NEO U9-H

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@live.ie>
Signed-off-by: Christian Hewitt <christianshewitt@gmail.com>
Reviewed-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
Link: https://lore.kernel.org/r/20210201210508.1528-2-christianshewitt@gmail.com

diff --git a/arch/arm64/boot/dts/amlogic/Makefile b/arch/arm64/boot/dts/amlogic/Makefile
index 78a569d..aebd49c 100644 (file)
--- 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 (file)
index 0000000..a414cd3
--- /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@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@0 {
+                       label = "power";
+                       linux,code = <KEY_POWER>;
+                       gpios = <&gpio_ao GPIOAO_2 GPIO_ACTIVE_LOW>;
+               };
+       };
+};
+
+&ethmac {
+       pinctrl-0 = <&eth_pins>;
+       pinctrl-names = "default";
+       phy-handle = <&external_phy>;
+       amlogic,tx-delay-ns = <2>;
+       phy-mode = "rgmii";
+};
+
+&external_mdio {
+       external_phy: ethernet-phy@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@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@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";
+       };
+};