ARM: dts: sun8i: add FriendlyARM NanoPi Duo2

This is an Allwinner H3 based board, with 512MB ram, a USB OTG port,
microsd slot, an onboard AP6212A wifi/bluetooth module, and a CSI
connector.

Full details and schematic available from vendor:
http://wiki.friendlyarm.com/wiki/index.php/NanoPi_Duo2

Signed-off-by: Karl Palsson <karlp@tweak.net.au>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>

diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index b21b3a64641a768733896e6db3b50500432e3b96..3f13b88d30642898a96263a76cef69440e9a1b46 100644 (file)
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -1105,6 +1105,7 @@ dtb-$(CONFIG_MACH_SUN8I) += \
        sun8i-h3-beelink-x2.dtb \
        sun8i-h3-libretech-all-h3-cc.dtb \
        sun8i-h3-mapleboard-mp130.dtb \
+       sun8i-h3-nanopi-duo2.dtb \
        sun8i-h3-nanopi-m1.dtb  \
        sun8i-h3-nanopi-m1-plus.dtb \
        sun8i-h3-nanopi-neo.dtb \

diff --git a/arch/arm/boot/dts/sun8i-h3-nanopi-duo2.dts b/arch/arm/boot/dts/sun8i-h3-nanopi-duo2.dts
new file mode 100644 (file)
index 0000000..c73f599
--- /dev/null
+++ b/arch/arm/boot/dts/sun8i-h3-nanopi-duo2.dts
@@ -0,0 +1,174 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (C) 2019 Karl Palsson <karlp@tweak.net.au>
+ */
+
+/dts-v1/;
+#include "sun8i-h3.dtsi"
+#include "sunxi-common-regulators.dtsi"
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
+
+/ {
+       model = "FriendlyARM NanoPi Duo2";
+       compatible = "friendlyarm,nanopi-duo2", "allwinner,sun8i-h3";
+
+       aliases {
+               serial0 = &uart0;
+       };
+
+       chosen {
+               stdout-path = "serial0:115200n8";
+       };
+
+       leds {
+               compatible = "gpio-leds";
+
+               pwr {
+                       label = "nanopi:red:pwr";
+                       gpios = <&r_pio 0 10 GPIO_ACTIVE_HIGH>; /* PL10 */
+                       default-state = "on";
+               };
+
+               status {
+                       label = "nanopi:green:status";
+                       gpios = <&pio 0 10 GPIO_ACTIVE_HIGH>; /* PA10 */
+               };
+       };
+
+       r_gpio_keys {
+               compatible = "gpio-keys";
+
+               k1 {
+                       label = "k1";
+                       linux,code = <BTN_0>;
+                       gpios = <&r_pio 0 3 GPIO_ACTIVE_LOW>; /* PL3 */
+               };
+       };
+
+       reg_vdd_cpux: vdd-cpux-regulator {
+               compatible = "regulator-gpio";
+               regulator-name = "vdd-cpux";
+               regulator-min-microvolt = <1100000>;
+               regulator-max-microvolt = <1300000>;
+               regulator-always-on;
+               regulator-boot-on;
+               regulator-ramp-delay = <50>; /* 4ms */
+
+               enable-active-high;
+               enable-gpio = <&r_pio 0 8 GPIO_ACTIVE_HIGH>; /* PL8 */
+               gpios = <&r_pio 0 6 GPIO_ACTIVE_HIGH>; /* PL6 */
+               gpios-states = <0x1>;
+               states = <1100000 0x0
+                         1300000 0x1>;
+       };
+
+       reg_vcc_dram: vcc-dram {
+               compatible = "regulator-fixed";
+               regulator-name = "vcc-dram";
+               regulator-min-microvolt = <1500000>;
+               regulator-max-microvolt = <1500000>;
+               regulator-always-on;
+               regulator-boot-on;
+               enable-active-high;
+               gpio = <&r_pio 0 9 GPIO_ACTIVE_HIGH>; /* PL9 */
+               vin-supply = <&reg_vcc5v0>;
+        };
+
+       reg_vdd_sys: vdd-sys {
+               compatible = "regulator-fixed";
+               regulator-name = "vdd-sys";
+               regulator-min-microvolt = <1200000>;
+               regulator-max-microvolt = <1200000>;
+               regulator-always-on;
+               regulator-boot-on;
+               enable-active-high;
+               gpio = <&r_pio 0 8 GPIO_ACTIVE_HIGH>; /* PL8 */
+               vin-supply = <&reg_vcc5v0>;
+        };
+
+       wifi_pwrseq: wifi_pwrseq {
+               compatible = "mmc-pwrseq-simple";
+               reset-gpios = <&r_pio 0 7 GPIO_ACTIVE_LOW>; /* PL7 */
+               clocks = <&rtc 1>;
+               clock-names = "ext_clock";
+       };
+
+};
+
+&cpu0 {
+       cpu-supply = <&reg_vdd_cpux>;
+};
+
+&ehci0 {
+       status = "okay";
+};
+
+&mmc0 {
+       bus-width = <4>;
+       cd-gpios = <&pio 5 6 GPIO_ACTIVE_LOW>; /* PF6 */
+       status = "okay";
+       vmmc-supply = <&reg_vcc3v3>;
+};
+
+&mmc1 {
+       vmmc-supply = <&reg_vcc3v3>;
+       vqmmc-supply = <&reg_vcc3v3>;
+       mmc-pwrseq = <&wifi_pwrseq>;
+       bus-width = <4>;
+       non-removable;
+       status = "okay";
+
+       sdio_wifi: sdio_wifi@1 {
+               reg = <1>;
+               compatible = "brcm,bcm4329-fmac";
+               interrupt-parent = <&pio>;
+               interrupts = <6 10 IRQ_TYPE_LEVEL_LOW>; /* PG10 / EINT10 */
+               interrupt-names = "host-wake";
+       };
+};
+
+&ohci0 {
+       status = "okay";
+};
+
+&reg_usb0_vbus {
+       gpio = <&r_pio 0 2 GPIO_ACTIVE_HIGH>; /* PL2 */
+       status = "okay";
+};
+
+&uart0 {
+       pinctrl-names = "default";
+       pinctrl-0 = <&uart0_pa_pins>;
+       status = "okay";
+};
+
+&uart2 {
+       pinctrl-names = "default";
+       pinctrl-0 = <&uart2_pins>, <&uart2_rts_cts_pins>;
+       uart-has-rtscts;
+       status = "okay";
+
+       bluetooth {
+               compatible = "brcm,bcm43438-bt";
+               clocks = <&rtc 1>;
+               clock-names = "lpo";
+               vbat-supply = <&reg_vcc3v3>;
+               vddio-supply = <&reg_vcc3v3>;
+               device-wakeup-gpios = <&pio 0 8 GPIO_ACTIVE_HIGH>; /* PA8 */
+               host-wakeup-gpios = <&pio 0 7 GPIO_ACTIVE_HIGH>; /* PA7 */
+               shutdown-gpios = <&pio 6 13 GPIO_ACTIVE_HIGH>; /* PG13 */
+       };
+};
+
+&usb_otg {
+       status = "okay";
+       dr_mode = "otg";
+};
+
+&usbphy {
+       usb0_id_det-gpios = <&pio 6 12 GPIO_ACTIVE_HIGH>; /* PG12 */
+       usb0_vbus-supply = <&reg_usb0_vbus>;
+       status = "okay";
+};