修改GPIO导出默认初始值

hc

2024-10-16 50a212ec906f7524620675f0c57357691c26c81f

 kernel/arch/arm/boot/dts/sun8i-h2-plus-bananapi-m2-zero.dts
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@@ -28,7 +28,6 @@
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 	leds {
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 		compatible = "gpio-leds";
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-		pinctrl-names = "default";
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 		pwr_led {
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 			label = "bananapi-m2-zero:red:pwr";
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@@ -39,7 +38,6 @@
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 	gpio_keys {
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 		compatible = "gpio-keys";
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-		pinctrl-names = "default";
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 		sw4 {
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 			label = "power";
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@@ -61,14 +59,14 @@
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 		gpios = <&r_pio 0 1 GPIO_ACTIVE_HIGH>; /* PL1 */
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 		enable-active-high;
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 		gpios-states = <0x1>;
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-		states = <1100000 0x0
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-			  1300000 0x1>;
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+		states = <1100000 0>, <1300000 1>;
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 	};
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 	wifi_pwrseq: wifi_pwrseq {
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 		compatible = "mmc-pwrseq-simple";
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-		pinctrl-names = "default";
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 		reset-gpios = <&r_pio 0 7 GPIO_ACTIVE_LOW>; /* PL7 */
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+		clocks = <&rtc 1>;
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+		clock-names = "ext_clock";
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 	};
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 };
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@@ -115,14 +113,27 @@
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 &uart0 {
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 	pinctrl-names = "default";
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-	pinctrl-0 = <&uart0_pins_a>;
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+	pinctrl-0 = <&uart0_pa_pins>;
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 	status = "okay";
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 };
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 &uart1 {
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 	pinctrl-names = "default";
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 	pinctrl-0 = <&uart1_pins>, <&uart1_rts_cts_pins>;
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+	uart-has-rtscts;
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 	status = "okay";
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+
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+	bluetooth {
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+		compatible = "brcm,bcm43438-bt";
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+		clocks = <&rtc 1>;
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+		clock-names = "lpo";
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+		vbat-supply = <&reg_vcc3v3>;
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+		vddio-supply = <&reg_vcc3v3>;
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+		device-wakeup-gpios = <&pio 6 13 GPIO_ACTIVE_HIGH>; /* PG13 */
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+		host-wakeup-gpios = <&pio 6 11 GPIO_ACTIVE_HIGH>; /* PG11 */
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+		shutdown-gpios = <&pio 6 12 GPIO_ACTIVE_HIGH>; /* PG12 */
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+	};
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+
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 };
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 &usb_otg {