[PATCH 5/5] arm64: dts: rockchip: add Powkiddy RK2023

[Chris Morgan <macroalpha82@gmail.com>]

From: Chris Morgan <macromorgan@hotmail.com>

Add support for the Powkiddy RK2023. The Powkiddy RK2023 is a handheld
gaming device with a 3.5 inch screen powered by the Rockchip RK3566
SoC. The device is almost identical to the Anbernic RG353P except it
lacks eMMC, a function button, a touch screen, no UART headers on the
board, and the panel has slightly different timings.

Signed-off-by: Chris Morgan <macromorgan@hotmail.com>
---
 arch/arm64/boot/dts/rockchip/Makefile         |   1 +
 .../dts/rockchip/rk3566-powkiddy-rk2023.dts   | 161 ++++++++++++++++++
 2 files changed, 162 insertions(+)
 create mode 100644 arch/arm64/boot/dts/rockchip/rk3566-powkiddy-rk2023.dts

diff --git a/arch/arm64/boot/dts/rockchip/Makefile b/arch/arm64/boot/dts/rockchip/Makefile
index 3f01b429a3aa..9ef64cfb8392 100644
--- a/arch/arm64/boot/dts/rockchip/Makefile
+++ b/arch/arm64/boot/dts/rockchip/Makefile
@@ -78,6 +78,7 @@ dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3566-anbernic-rg503.dtb
 dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3566-pinenote-v1.1.dtb
 dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3566-pinenote-v1.2.dtb
 dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3566-powkiddy-rgb30.dtb
+dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3566-powkiddy-rk2023.dtb
 dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3566-quartz64-a.dtb
 dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3566-quartz64-b.dtb
 dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3566-radxa-cm3-io.dtb
diff --git a/arch/arm64/boot/dts/rockchip/rk3566-powkiddy-rk2023.dts b/arch/arm64/boot/dts/rockchip/rk3566-powkiddy-rk2023.dts
new file mode 100644
index 000000000000..5740412f6b2b
--- /dev/null
+++ b/arch/arm64/boot/dts/rockchip/rk3566-powkiddy-rk2023.dts
@@ -0,0 +1,161 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+
+/dts-v1/;
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/linux-event-codes.h>
+#include <dt-bindings/pinctrl/rockchip.h>
+#include "rk3566-anbernic-rg353x.dtsi"
+
+/ {
+	model = "RK2023";
+	compatible = "powkiddy,rk2023", "rockchip,rk3566";
+
+	aliases {
+		mmc1 = &sdmmc0;
+		mmc2 = &sdmmc1;
+		mmc3 = &sdmmc2;
+	};
+
+	battery: battery {
+		compatible = "simple-battery";
+		charge-full-design-microamp-hours = <3151000>;
+		charge-term-current-microamp = <300000>;
+		constant-charge-current-max-microamp = <2000000>;
+		constant-charge-voltage-max-microvolt = <4250000>;
+		factory-internal-resistance-micro-ohms = <117000>;
+		voltage-max-design-microvolt = <4172000>;
+		voltage-min-design-microvolt = <3400000>;
+
+		ocv-capacity-celsius = <20>;
+		ocv-capacity-table-0 =  <4172000 100>, <4092000 95>, <4035000 90>, <3990000 85>,
+					<3939000 80>, <3895000 75>, <3852000 70>, <3807000 65>,
+					<3762000 60>, <3713000 55>, <3672000 50>, <3647000 45>,
+					<3629000 40>, <3613000 35>, <3598000 30>, <3578000 25>,
+					<3550000 20>, <3519000 15>, <3479000 10>, <3438000 5>,
+					<3400000 0>;
+	};
+
+	/* Channels reversed for headphones. */
+	sound {
+		compatible = "simple-audio-card";
+		simple-audio-card,name = "rk817_int";
+		simple-audio-card,format = "i2s";
+		simple-audio-card,hp-det-gpio = <&gpio4 RK_PC6 GPIO_ACTIVE_HIGH>;
+		simple-audio-card,mclk-fs = <256>;
+		simple-audio-card,widgets =
+			"Microphone", "Mic Jack",
+			"Headphone", "Headphones",
+			"Speaker", "Internal Speakers";
+		simple-audio-card,routing =
+			"MICL", "Mic Jack",
+			"Headphones", "HPOL",
+			"Headphones", "HPOR",
+			"Internal Speakers", "SPKO";
+
+		simple-audio-card,codec {
+			sound-dai = <&rk817>;
+		};
+
+		simple-audio-card,cpu {
+			sound-dai = <&i2s1_8ch>;
+		};
+	};
+
+};
+
+/delete-node/ &adc_keys;
+
+&chosen {
+	/delete-property/ stdout-path;
+};
+
+&cru {
+	assigned-clocks = <&pmucru CLK_RTC_32K>, <&cru PLL_GPLL>,
+			  <&pmucru PLL_PPLL>, <&cru PLL_VPLL>;
+	assigned-clock-rates = <32768>, <1200000000>,
+			  <200000000>, <115200000>;
+};
+
+&gpio_keys_control {
+	button-r1 {
+		gpios = <&gpio3 RK_PB3 GPIO_ACTIVE_LOW>;
+		label = "TR";
+		linux,code = <BTN_TR>;
+	};
+
+	button-r2 {
+		gpios = <&gpio3 RK_PB4 GPIO_ACTIVE_LOW>;
+		label = "TR2";
+		linux,code = <BTN_TR2>;
+	};
+};
+
+/delete-node/ &{/i2c@fdd40000/regulator@40};
+
+&i2c0 {
+	vdd_cpu: regulator@1c {
+		compatible = "tcs,tcs4525";
+		reg = <0x1c>;
+		fcs,suspend-voltage-selector = <1>;
+		regulator-always-on;
+		regulator-boot-on;
+		regulator-min-microvolt = <712500>;
+		regulator-max-microvolt = <1390000>;
+		regulator-name = "vdd_cpu";
+		regulator-ramp-delay = <2300>;
+		vin-supply = <&vcc_sys>;
+		regulator-state-mem {
+			regulator-off-in-suspend;
+		};
+	};
+};
+
+/*
+ * Device has 2 controllable LEDs (a red and a green) along with a red
+ * LED that cannot be controlled and is always on when device is
+ * powered.
+ */
+
+/delete-node/ &{/pwm-leds/led-2};
+
+&leds {
+	green_led: led-0 {
+		color = <LED_COLOR_ID_GREEN>;
+		function = LED_FUNCTION_STATUS;
+		max-brightness = <255>;
+		pwms = <&pwm6 0 25000 0>;
+	};
+
+	red_led: led-1 {
+		color = <LED_COLOR_ID_RED>;
+		function = LED_FUNCTION_CHARGING;
+		max-brightness = <255>;
+		pwms = <&pwm7 0 25000 0>;
+	};
+
+};
+
+&panel {
+	compatible = "powkiddy,rk2023-panel", "newvision,nv3051d";
+};
+
+&pwm5 {
+	status = "disabled";
+};
+
+&rk817 {
+	rk817_charger: charger {
+		monitored-battery = <&battery>;
+		rockchip,resistor-sense-micro-ohms = <10000>;
+		rockchip,sleep-enter-current-microamp = <300000>;
+		rockchip,sleep-filter-current-microamp = <100000>;
+	};
+};
+
+/* There is no UART header visible on the board for this device. */
+&uart2 {
+	status = "disabled";
+};
+
+/delete-node/ &vibrator;
-- 
2.34.1