ARM: dts: sun5i: Add PocketBook 614 Plus support

What works:

- Serial console
- mmc0, mmc2 (both microSD card slots on the board)
- All buttons (gpio and lradc based)
- Power LED
- PMIC
- RTC
- USB OTG/gadgets mode

Signed-off-by: Denis Burkov <hitechshell@mail.ru>
Reviewed-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Link: https://lore.kernel.org/r/20240415173416.13838-2-hitechshell@mail.ru
Signed-off-by: Jernej Skrabec <jernej.skrabec@gmail.com>

diff --git a/arch/arm/boot/dts/allwinner/Makefile b/arch/arm/boot/dts/allwinner/Makefile
index 2d26c3397f145eef0bb9816744d481d22b4b9121..4247f19b1adc2f338af94f2fad358527f95cb856 100644 (file)
--- a/arch/arm/boot/dts/allwinner/Makefile
+++ b/arch/arm/boot/dts/allwinner/Makefile
@@ -61,6 +61,7 @@ dtb-$(CONFIG_MACH_SUN5I) += \
        sun5i-a13-olinuxino.dtb \
        sun5i-a13-olinuxino-micro.dtb \
        sun5i-a13-pocketbook-touch-lux-3.dtb \
+       sun5i-a13-pocketbook-614-plus.dtb \
        sun5i-a13-q8-tablet.dtb \
        sun5i-a13-utoo-p66.dtb \
        sun5i-gr8-chip-pro.dtb \

diff --git a/arch/arm/boot/dts/allwinner/sun5i-a13-pocketbook-614-plus.dts b/arch/arm/boot/dts/allwinner/sun5i-a13-pocketbook-614-plus.dts
new file mode 100644 (file)
index 0000000..ab8d138
--- /dev/null
+++ b/arch/arm/boot/dts/allwinner/sun5i-a13-pocketbook-614-plus.dts
@@ -0,0 +1,218 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright 2024 Denis Burkov <hitechshell@mail.ru>
+ */
+
+/dts-v1/;
+#include "sun5i-a13.dtsi"
+#include "sunxi-common-regulators.dtsi"
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
+#include <dt-bindings/interrupt-controller/irq.h>
+#include <dt-bindings/leds/common.h>
+
+/ {
+       model = "PocketBook 614 Plus";
+       compatible = "pocketbook,614-plus", "allwinner,sun5i-a13";
+
+       aliases {
+               serial0 = &uart1;
+       };
+
+       chosen {
+               stdout-path = "serial0:115200n8";
+       };
+
+       leds {
+               compatible = "gpio-leds";
+
+               led-0 {
+                       color = <LED_COLOR_ID_WHITE>;
+                       function = LED_FUNCTION_POWER;
+                       linux,default-trigger = "default-on";
+                       gpios = <&pio 4 8 GPIO_ACTIVE_LOW>; /* PE8 */
+               };
+       };
+
+       gpio-keys {
+               compatible = "gpio-keys";
+
+               key-0 {
+                       label = "Right";
+                       linux,code = <KEY_NEXT>;
+                       gpios = <&pio 6 9 GPIO_ACTIVE_LOW>; /* PG9 */
+               };
+
+               key-1 {
+                       label = "Left";
+                       linux,code = <KEY_PREVIOUS>;
+                       gpios = <&pio 6 10 GPIO_ACTIVE_LOW>; /* PG10 */
+               };
+       };
+
+       reg_3v3_mmc0: regulator-mmc0 {
+               compatible = "regulator-fixed";
+               regulator-name = "vdd-mmc0";
+               regulator-min-microvolt = <3300000>;
+               regulator-max-microvolt = <3300000>;
+               gpio = <&pio 4 4 GPIO_ACTIVE_LOW>; /* PE4 */
+               vin-supply = <&reg_vcc3v3>;
+       };
+};
+
+&cpu0 {
+       cpu-supply = <&reg_dcdc2>;
+};
+
+&ehci0 {
+       status = "okay";
+};
+
+&i2c0 {
+       status = "okay";
+
+       axp209: pmic@34 {
+               compatible = "x-powers,axp209";
+               reg = <0x34>;
+               interrupts = <0>;
+       };
+};
+
+#include "axp209.dtsi"
+
+&i2c1 {
+       status = "okay";
+
+       pcf8563: rtc@51 {
+               compatible = "nxp,pcf8563";
+               reg = <0x51>;
+               #clock-cells = <0>;
+       };
+};
+
+&lradc {
+       vref-supply = <&reg_ldo2>;
+       status = "okay";
+
+       button-300 {
+               label = "Down";
+               linux,code = <KEY_DOWN>;
+               channel = <0>;
+               voltage = <300000>;
+       };
+
+       button-700 {
+               label = "Up";
+               linux,code = <KEY_UP>;
+               channel = <0>;
+               voltage = <700000>;
+       };
+
+       button-1000 {
+               label = "Left";
+               linux,code = <KEY_LEFT>;
+               channel = <0>;
+               voltage = <1000000>;
+       };
+
+       button-1200 {
+               label = "Menu";
+               linux,code = <KEY_MENU>;
+               channel = <0>;
+               voltage = <1200000>;
+       };
+
+       button-1500 {
+               label = "Right";
+               linux,code = <KEY_RIGHT>;
+               channel = <0>;
+               voltage = <1500000>;
+       };
+};
+
+&mmc0 {
+       vmmc-supply = <&reg_3v3_mmc0>;
+       bus-width = <4>;
+       cd-gpios = <&pio 6 0 GPIO_ACTIVE_LOW>; /* PG0 */
+       status = "okay";
+};
+
+&mmc2 {
+       pinctrl-names = "default";
+       pinctrl-0 = <&mmc2_4bit_pc_pins>;
+       vmmc-supply = <&reg_vcc3v3>;
+       bus-width = <4>;
+       non-removable;
+       status = "okay";
+};
+
+&ohci0 {
+       status = "okay";
+};
+
+&otg_sram {
+       status = "okay";
+};
+
+&reg_dcdc2 {
+       regulator-always-on;
+       regulator-min-microvolt = <1000000>;
+       regulator-max-microvolt = <1500000>;
+       regulator-name = "vdd-cpu";
+};
+
+&reg_dcdc3 {
+       regulator-always-on;
+       regulator-min-microvolt = <1000000>;
+       regulator-max-microvolt = <1400000>;
+       regulator-name = "vdd-int-dll";
+};
+
+&reg_ldo1 {
+       regulator-name = "vdd-rtc";
+};
+
+&reg_ldo2 {
+       regulator-always-on;
+       regulator-min-microvolt = <3000000>;
+       regulator-max-microvolt = <3000000>;
+       regulator-name = "avcc";
+};
+
+&reg_usb0_vbus {
+       status = "okay";
+       gpio = <&pio 6 12 GPIO_ACTIVE_HIGH>; /* PG12 */
+};
+
+&reg_usb1_vbus {
+       gpio = <&pio 6 11 GPIO_ACTIVE_HIGH>; /* PG11 */
+       status = "okay";
+};
+
+&uart1 {
+       pinctrl-names = "default";
+       pinctrl-0 = <&uart1_pg_pins>;
+       status = "okay";
+};
+
+&usb_otg {
+       dr_mode = "otg";
+       status = "okay";
+};
+
+&usb_power_supply {
+       status = "okay";
+};
+
+&battery_power_supply {
+       status = "okay";
+};
+
+&usbphy {
+       usb0_id_det-gpios = <&pio 6 2 GPIO_ACTIVE_HIGH>; /* PG2 */
+       usb0_vbus_det-gpios = <&axp_gpio 1 GPIO_ACTIVE_HIGH>;
+       usb0_vbus-supply = <&reg_usb0_vbus>;
+       usb1_vbus-supply = <&reg_usb1_vbus>;
+       status = "okay";
+};