duos: add wifi power control GPIO

build/boards/cv181x/cv1813h_milkv_duos_emmc/dts_riscv/cv1813h_milkv_duos_emmc.dts

@@ -35,6 +35,12 @@
 	max-frequency = <187500000>;
 };
 
+&wifi_pin {
+	compatible = "cvitek,wifi-pin";
+	poweron-gpio = <&porta 15 GPIO_ACTIVE_HIGH>;
+	wakeup-gpio = <&porte 7 GPIO_ACTIVE_HIGH>;
+};
+
 &uart4 {
 	status = "okay";
 };

build/boards/cv181x/cv1813h_milkv_duos_emmc/linux/cvitek_cv1813h_milkv_duos_emmc_defconfig

@@ -428,6 +428,7 @@ CONFIG_ION_CARVEOUT_HEAP=y
 CONFIG_ION_CMA_HEAP=y
 # CONFIG_IOMMU_SUPPORT is not set
 CONFIG_CV1835_SYSDMA_REMAP=y
+CONFIG_CVI_WIFI_PIN=y
 CONFIG_PWM=y
 CONFIG_SIFIVE_PLIC=y
 CONFIG_ANDROID=y

build/boards/cv181x/cv1813h_milkv_duos_sd/dts_riscv/cv1813h_milkv_duos_sd.dts

@@ -35,6 +35,12 @@
 	max-frequency = <187500000>;
 };
 
+&wifi_pin {
+	compatible = "cvitek,wifi-pin";
+	poweron-gpio = <&porta 15 GPIO_ACTIVE_HIGH>;
+	wakeup-gpio = <&porte 7 GPIO_ACTIVE_HIGH>;
+};
+
 &uart4 {
 	status = "okay";
 };

build/boards/cv181x/cv1813h_milkv_duos_sd/linux/cvitek_cv1813h_milkv_duos_sd_defconfig

@@ -428,6 +428,7 @@ CONFIG_ION_CARVEOUT_HEAP=y
 CONFIG_ION_CMA_HEAP=y
 # CONFIG_IOMMU_SUPPORT is not set
 CONFIG_CV1835_SYSDMA_REMAP=y
+CONFIG_CVI_WIFI_PIN=y
 CONFIG_PWM=y
 CONFIG_SIFIVE_PLIC=y
 CONFIG_ANDROID=y

build/boards/default/dts/cv181x/cv181x_base.dtsi

@@ -653,7 +653,7 @@
 		cvi,card_name = "cv182x_internal_PDM";
 	};
 
-	wifi_pin {
+	wifi_pin: wifi_pin {
 		compatible = "cvitek,wifi-pin";
 		poweron-gpio = <&porta 18 GPIO_ACTIVE_HIGH>;
 		wakeup-gpio = <&porte 7 GPIO_ACTIVE_HIGH>;

device/milkv-duos-sd/overlay/mnt/system/duo-init.sh

@@ -17,10 +17,6 @@ function set_gpio()
 	echo ${gpio_val} > ${gpio_path}/value
 }
 
-# WIFI Power ON
-wifi_power=495
-set_gpio ${wifi_power} 1
-
 # Host Wake BT
 host_wake_bt=362
 set_gpio ${host_wake_bt} 1

linux_5.10/drivers/net/wireless/aicsemi/aic8800/aic8800_bsp/aicsdio.c

@@ -15,6 +15,7 @@
 #include <linux/semaphore.h>
 #include <linux/debugfs.h>
 #include <linux/kthread.h>
+#include <linux/gpio.h>
 #include "aicsdio_txrxif.h"
 #include "aicsdio.h"
 #include "aic_bsp_driver.h"
@@ -42,6 +43,11 @@ extern void extern_wifi_set_enable(int is_on);
 extern void set_power_control_lock(int lock);
 #endif//for AML
 
+#ifdef CONFIG_PLATFORM_CVITEK
+extern int cvi_get_wifi_pwr_on_gpio(void);
+extern int cvi_sdio_rescan(void);
+static int cvi_wifi_power_gpio = -1;
+#endif //CONFIG_PLATFORM_CVITEK
 
 static int aicbsp_platform_power_on(void);
 static void aicbsp_platform_power_off(void);
@@ -67,10 +73,6 @@ module_param_string(saved_sdk_ver, saved_sdk_ver,64, 0660);
 
 extern int testmode;
 
-#ifdef CONFIG_PLATFORM_CVITEK
-extern int cvi_sdio_rescan(void);
-#endif
-
 #define SDIO_DEVICE_ID_AIC8801_FUNC2	0x0146
 #define SDIO_DEVICE_ID_AIC8800D80_FUNC2	0x0182
 
@@ -508,6 +510,28 @@ static int aicbsp_platform_power_on(void)
             rockchip_wifi_set_carddetect(1);
 #endif /*CONFIG_PLATFORM_ROCKCHIP2*/
 
+#ifdef CONFIG_PLATFORM_CVITEK
+	printk("======== CVITEK WLAN_POWER_ON ========\n");
+	cvi_wifi_power_gpio = cvi_get_wifi_pwr_on_gpio();
+	if (cvi_wifi_power_gpio >= 0) {
+		ret = gpio_request(cvi_wifi_power_gpio, "WLAN_POWER");
+		if (ret < 0) {
+			printk("%s: gpio_request(%d) for WLAN_POWER failed\n",
+				__func__, cvi_wifi_power_gpio);
+			cvi_wifi_power_gpio = -1;
+		}
+	}
+
+	if (cvi_wifi_power_gpio >= 0) {
+		ret = gpio_direction_output(cvi_wifi_power_gpio, 1);
+		if (ret) {
+			printk("%s: WLAN_POWER output high failed!\n", __func__);
+			return -EIO;
+		}
+		mdelay(50);
+	}
+#endif //CONFIG_PLATFORM_CVITEK
+
 	sema_init(&aic_chipup_sem, 0);
 	ret = aicbsp_reg_sdio_notify(&aic_chipup_sem);
 	if (ret) {
@@ -521,10 +545,11 @@ static int aicbsp_platform_power_on(void)
 	sunxi_wlan_set_power(1);
 	mdelay(50);
 	sunxi_mmc_rescan_card(aicbsp_bus_index);
+
 #endif //CONFIG_PLATFORM_ALLWINNER
 
 #ifdef CONFIG_PLATFORM_CVITEK
-	printk("---aic,%s,%d: cvi_sdio_rescan\n", __func__, __LINE__);
+	printk("%s,%d: cvi_sdio_rescan\n", __func__, __LINE__);
 	cvi_sdio_rescan();
 	//udelay(1000);
 #endif
@@ -547,11 +572,19 @@ static int aicbsp_platform_power_on(void)
         extern_wifi_set_enable(0);
 #endif
 
-
 #ifdef CONFIG_PLATFORM_ROCKCHIP2
 	rockchip_wifi_power(0);
 #endif /*CONFIG_PLATFORM_ROCKCHIP2*/
 
+#ifdef CONFIG_PLATFORM_CVITEK
+	if (cvi_wifi_power_gpio >= 0) {
+		ret = gpio_direction_output(cvi_wifi_power_gpio, 0);
+		if (ret) {
+			printk("%s: WLAN_POWER output low failed!\n", __func__);
+		}
+	}
+#endif //CONFIG_PLATFORM_CVITEK
+
 	return -1;
 }
 
@@ -580,6 +613,14 @@ static void aicbsp_platform_power_off(void)
 	extern_wifi_set_enable(0);
 #endif
 
+#ifdef CONFIG_PLATFORM_CVITEK
+	printk("======== CVITEK WLAN_POWER_OFF ========\n");
+	if (cvi_wifi_power_gpio >= 0) {
+		if(gpio_direction_output(cvi_wifi_power_gpio, 0)) {
+			printk("%s: WLAN_POWER output low failed!\n", __func__);
+		}
+	}
+#endif //CONFIG_PLATFORM_CVITEK
 
 	sdio_dbg("%s\n", __func__);
 }