[PATCH 2/2] ARM: dts: sun5i: Add PocketBook 614 Plus support

From: Denis Burkov
Date: Thu Mar 14 2024 - 11:54:34 EST

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@xxxxxxx>
---
arch/arm/boot/dts/allwinner/Makefile | 2 +
.../sun5i-a13-pocketbook-614-plus.dts | 254 ++++++++++++++++++
2 files changed, 256 insertions(+)
create mode 100644 arch/arm/boot/dts/allwinner/sun5i-a13-pocketbook-614-plus.dts

diff --git a/arch/arm/boot/dts/allwinner/Makefile b/arch/arm/boot/dts/allwinner/Makefile
index 2d26c3397f14..fe321865beed 100644
--- a/arch/arm/boot/dts/allwinner/Makefile
+++ b/arch/arm/boot/dts/allwinner/Makefile
@@ -61,6 +61,7 @@ dtb-$(CONFIG_MACH_SUN5I) += \
sun5i-a13-olinuxino.dtb \
sun5i-a13-olinuxino-micro.dtb \
sun5i-a13-pocketbook-touch-lux-3.dtb \
+ sun5i-a13-pocketbook-614-plus.dtb \
sun5i-a13-q8-tablet.dtb \
sun5i-a13-utoo-p66.dtb \
sun5i-gr8-chip-pro.dtb \
@@ -82,6 +83,7 @@ dtb-$(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
index 000000000000..89898fa16ff7
--- /dev/null
+++ b/arch/arm/boot/dts/allwinner/sun5i-a13-pocketbook-614-plus.dts
@@ -0,0 +1,254 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright 2024 Denis Burkov <hitechshell@xxxxxxx>
+ */
+
+/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>
+
+/ {
+ model = "PocketBook 614 Plus";
+ compatible = "pocketbook,614-plus", "allwinner,sun5i-a13";
+
+ aliases {
+ serial0 = &uart1;
+ i2c0 = &i2c0;
+ i2c1 = &i2c1;
+ i2c2 = &i2c2;
+ rtc0 = &pcf8563;
+ };
+
+ chosen {
+ stdout-path = "serial0:115200n8";
+ };
+
+ leds {
+ compatible = "gpio-leds";
+ pinctrl-names = "default";
+ pinctrl-0 = <&led_pins_pocketbook>;
+
+ led {
+ gpios = <&pio 4 8 GPIO_ACTIVE_LOW>; /* PE8 */
+ default-state = "on";
+ };
+ };
+
+ gpio-keys {
+ compatible = "gpio-keys";
+ autorepeat;
+ label = "GPIO Keys";
+ pinctrl-names = "default";
+ pinctrl-0 = <&pocketbook_btn_pins>;
+
+ key-right {
+ label = "Right";
+ linux,code = <KEY_NEXT>;
+ gpios = <&pio 6 9 GPIO_ACTIVE_LOW>; /* PG9 */
+ };
+
+ key-left {
+ 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>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pocketbook_reg_mmc0_pins>;
+ 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>;
+ };
+};
+
+&i2c2 {
+ status = "okay";
+
+ /* Touchpanel is connected here. */
+};
+
+&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";
+};
+
+&pio {
+ led_pins_pocketbook: led-pin {
+ pins = "PE8";
+ function = "gpio_out";
+ };
+ pocketbook_btn_pins: btn-pins {
+ pins = "PG9", "PG10";
+ function = "gpio_in";
+ bias-pull-up;
+ };
+ pocketbook_reg_mmc0_pins: reg-mmc0-pins {
+ pins = "PE4";
+ function = "gpio_out";
+ };
+};
+
+&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_ldo3 {
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-name = "vcc-wifi";
+};
+
+&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 | GPIO_PULL_UP)>; /* 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";
+};
--
2.43.0