From cde9070d9970eef1f7ec2360586c802a16230ad8 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 10 May 2024 07:43:50 +0000
Subject: [PATCH] rtl88x2CE_WiFi_linux driver

---
 kernel/arch/mips/boot/dts/ingenic/ci20.dts |  255 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 255 insertions(+), 0 deletions(-)

diff --git a/kernel/arch/mips/boot/dts/ingenic/ci20.dts b/kernel/arch/mips/boot/dts/ingenic/ci20.dts
index 4f7b1fa..75f5bfb 100644
--- a/kernel/arch/mips/boot/dts/ingenic/ci20.dts
+++ b/kernel/arch/mips/boot/dts/ingenic/ci20.dts
@@ -2,7 +2,11 @@
 /dts-v1/;
 
 #include "jz4780.dtsi"
+#include <dt-bindings/clock/ingenic,tcu.h>
 #include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
+#include <dt-bindings/interrupt-controller/irq.h>
+#include <dt-bindings/regulator/active-semi,8865-regulator.h>
 
 / {
 	compatible = "img,ci20", "ingenic,jz4780";
@@ -24,10 +28,63 @@
 		       0x30000000 0x30000000>;
 	};
 
+	gpio-keys {
+		compatible = "gpio-keys";
+
+		sw1 {
+			label = "ci20:sw1";
+			linux,code = <KEY_F13>;
+			gpios = <&gpd 17 GPIO_ACTIVE_HIGH>;
+			wakeup-source;
+		};
+	};
+
+	leds {
+		compatible = "gpio-leds";
+
+		led0 {
+			label = "ci20:red:led0";
+			gpios = <&gpc 3 GPIO_ACTIVE_HIGH>;
+			linux,default-trigger = "none";
+		};
+
+		led1 {
+			label = "ci20:red:led1";
+			gpios = <&gpc 2 GPIO_ACTIVE_HIGH>;
+			linux,default-trigger = "nand-disk";
+		};
+
+		led2 {
+			label = "ci20:red:led2";
+			gpios = <&gpc 1 GPIO_ACTIVE_HIGH>;
+			linux,default-trigger = "cpu1";
+		};
+
+		led3 {
+			label = "ci20:red:led3";
+			gpios = <&gpc 0 GPIO_ACTIVE_HIGH>;
+			linux,default-trigger = "cpu0";
+		};
+	};
+
 	eth0_power: fixedregulator@0 {
 		compatible = "regulator-fixed";
 		regulator-name = "eth0_power";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
 		gpio = <&gpb 25 GPIO_ACTIVE_LOW>;
+		enable-active-high;
+	};
+
+	ir: ir {
+		compatible = "gpio-ir-receiver";
+		gpios = <&gpe 3 GPIO_ACTIVE_LOW>;
+	};
+
+	wlan0_power: fixedregulator@1 {
+		compatible = "regulator-fixed";
+		regulator-name = "wlan0_power";
+		gpio = <&gpb 19 GPIO_ACTIVE_LOW>;
 		enable-active-high;
 	};
 };
@@ -53,9 +110,18 @@
 
 	bus-width = <4>;
 	max-frequency = <50000000>;
+	non-removable;
 
 	pinctrl-names = "default";
 	pinctrl-0 = <&pins_mmc1>;
+
+	brcmf: wifi@1 {
+/*		reg = <4>;*/
+		compatible = "brcm,bcm4330-fmac";
+		vcc-supply = <&wlan0_power>;
+		device-wakeup-gpios = <&gpd 9 GPIO_ACTIVE_HIGH>;
+		shutdown-gpios = <&gpf 7 GPIO_ACTIVE_LOW>;
+	};
 };
 
 &uart0 {
@@ -72,6 +138,23 @@
 	pinctrl-0 = <&pins_uart1>;
 };
 
+&uart2 {
+	status = "okay";
+
+	pinctrl-names = "default";
+	pinctrl-0 = <&pins_uart2>;
+	uart-has-rtscts;
+
+	bluetooth {
+		compatible = "brcm,bcm4330-bt";
+		reset-gpios = <&gpf 8 GPIO_ACTIVE_HIGH>;
+		vcc-supply = <&wlan0_power>;
+		device-wakeup-gpios = <&gpf 5 GPIO_ACTIVE_HIGH>;
+		host-wakeup-gpios = <&gpf 6 GPIO_ACTIVE_HIGH>;
+		shutdown-gpios = <&gpf 4 GPIO_ACTIVE_LOW>;
+	};
+};
+
 &uart3 {
 	status = "okay";
 
@@ -84,6 +167,133 @@
 
 	pinctrl-names = "default";
 	pinctrl-0 = <&pins_uart4>;
+};
+
+&i2c0 {
+	status = "okay";
+
+	pinctrl-names = "default";
+	pinctrl-0 = <&pins_i2c0>;
+
+	clock-frequency = <400000>;
+
+	act8600: act8600@5a {
+		compatible = "active-semi,act8600";
+		reg = <0x5a>;
+		status = "okay";
+
+		regulators {
+			vddcore: SUDCDC1 {
+				regulator-name = "DCDC_REG1";
+				regulator-min-microvolt = <1100000>;
+				regulator-max-microvolt = <1100000>;
+				regulator-always-on;
+			};
+			vddmem: SUDCDC2 {
+				regulator-name = "DCDC_REG2";
+				regulator-min-microvolt = <1500000>;
+				regulator-max-microvolt = <1500000>;
+				regulator-always-on;
+			};
+			vcc_33: SUDCDC3 {
+				regulator-name = "DCDC_REG3";
+				regulator-min-microvolt = <3300000>;
+				regulator-max-microvolt = <3300000>;
+				regulator-always-on;
+			};
+			vcc_50: SUDCDC4 {
+				regulator-name = "SUDCDC_REG4";
+				regulator-min-microvolt = <5000000>;
+				regulator-max-microvolt = <5000000>;
+				regulator-always-on;
+			};
+			vcc_25: LDO_REG5 {
+				regulator-name = "LDO_REG5";
+				regulator-min-microvolt = <2500000>;
+				regulator-max-microvolt = <2500000>;
+				regulator-always-on;
+			};
+			wifi_io: LDO_REG6 {
+				regulator-name = "LDO_REG6";
+				regulator-min-microvolt = <2500000>;
+				regulator-max-microvolt = <2500000>;
+				regulator-always-on;
+			};
+			vcc_28: LDO_REG7 {
+				regulator-name = "LDO_REG7";
+				regulator-min-microvolt = <2800000>;
+				regulator-max-microvolt = <2800000>;
+				regulator-always-on;
+			};
+			vcc_15: LDO_REG8 {
+				regulator-name = "LDO_REG8";
+				regulator-min-microvolt = <1500000>;
+				regulator-max-microvolt = <1500000>;
+				regulator-always-on;
+			};
+			vrtc_18: LDO_REG9 {
+				regulator-name = "LDO_REG9";
+				/* Despite the datasheet stating 3.3V
+				 * for REG9 and the driver expecting that,
+				 * REG9 outputs 1.8V.
+				 * Likely the CI20 uses a proprietary
+				 * factory programmed chip variant.
+				 * Since this is a simple on/off LDO the
+				 * exact values do not matter.
+				 */
+				regulator-min-microvolt = <3300000>;
+				regulator-max-microvolt = <3300000>;
+				regulator-always-on;
+			};
+			vcc_11: LDO_REG10 {
+				regulator-name = "LDO_REG10";
+				regulator-min-microvolt = <1200000>;
+				regulator-max-microvolt = <1200000>;
+				regulator-always-on;
+			};
+		};
+	};
+};
+
+&i2c1 {
+	status = "okay";
+
+	pinctrl-names = "default";
+	pinctrl-0 = <&pins_i2c1>;
+
+};
+
+&i2c2 {
+	status = "okay";
+
+	pinctrl-names = "default";
+	pinctrl-0 = <&pins_i2c2>;
+
+};
+
+&i2c3 {
+	status = "okay";
+
+	pinctrl-names = "default";
+	pinctrl-0 = <&pins_i2c3>;
+
+};
+
+&i2c4 {
+	status = "okay";
+
+	pinctrl-names = "default";
+	pinctrl-0 = <&pins_i2c4>;
+
+	clock-frequency = <400000>;
+
+		rtc@51 {
+			compatible = "nxp,pcf8563";
+			reg = <0x51>;
+
+			interrupt-parent = <&gpf>;
+			interrupts = <30 IRQ_TYPE_LEVEL_LOW>;
+		};
 };
 
 &nemc {
@@ -176,6 +386,9 @@
 
 		interrupt-parent = <&gpe>;
 		interrupts = <19 4>;
+
+		nvmem-cells = <&eth0_addr>;
+		nvmem-cell-names = "mac-address";
 	};
 };
 
@@ -196,6 +409,12 @@
 		bias-disable;
 	};
 
+	pins_uart2: uart2 {
+		function = "uart2";
+		groups = "uart2-data", "uart2-hwflow";
+		bias-disable;
+	};
+
 	pins_uart3: uart3 {
 		function = "uart3";
 		groups = "uart3-data", "uart3-hwflow";
@@ -205,6 +424,36 @@
 	pins_uart4: uart4 {
 		function = "uart4";
 		groups = "uart4-data";
+		bias-disable;
+	};
+
+	pins_i2c0: i2c0 {
+		function = "i2c0";
+		groups = "i2c0-data";
+		bias-disable;
+	};
+
+	pins_i2c1: i2c1 {
+		function = "i2c1";
+		groups = "i2c1-data";
+		bias-disable;
+	};
+
+	pins_i2c2: i2c2 {
+		function = "i2c2";
+		groups = "i2c2-data";
+		bias-disable;
+	};
+
+	pins_i2c3: i2c3 {
+		function = "i2c3";
+		groups = "i2c3-data";
+		bias-disable;
+	};
+
+	pins_i2c4: i2c4 {
+		function = "i2c4";
+		groups = "i2c4-data-e";
 		bias-disable;
 	};
 
@@ -238,3 +487,9 @@
 		bias-disable;
 	};
 };
+
+&tcu {
+	/* 3 MHz for the system timer and clocksource */
+	assigned-clocks = <&tcu TCU_CLK_TIMER0>, <&tcu TCU_CLK_TIMER1>;
+	assigned-clock-rates = <3000000>, <3000000>;
+};

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