Commit 8cf890aa authored by Shengyu Qu's avatar Shengyu Qu Committed by Heiko Stuebner
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arm64: dts: rockchip: Add nodes for SDIO/UART Wi-Fi/Bluetooth modules to Radxa Rock 3A 



This patch adds related bus/pinctrl/power nodes to enable support for
Radxa's Wi-Fi Bluetooth combo module.
Tested with RADXA A6 module, which uses AP6275S (BCM43752A2)

Signed-off-by: default avatarShengyu Qu <wiagn233@outlook.com>
Link: https://lore.kernel.org/r/OS3P286MB25972313C916A68698B1CD8698359@OS3P286MB2597.JPNP286.PROD.OUTLOOK.COM


Signed-off-by: default avatarHeiko Stuebner <heiko@sntech.de>
parent 3a6dcf61

arch/arm64/boot/dts/rockchip/rk3568-rock-3a.dts

+69 −0
Original line number Diff line number Diff line
@@ -60,6 +60,17 @@ simple-audio-card,codec { 
		};

	};



	sdio_pwrseq: sdio-pwrseq {

		compatible = "mmc-pwrseq-simple";

		clocks = <&rk809 1>;

		clock-names = "ext_clock";

		pinctrl-names = "default";

		pinctrl-0 = <&wifi_enable>;

		post-power-on-delay-ms = <100>;

		power-off-delay-us = <5000000>;

		reset-gpios = <&gpio3 RK_PD4 GPIO_ACTIVE_LOW>;

	};



	vcc12v_dcin: vcc12v-dcin-regulator {

		compatible = "regulator-fixed";

		regulator-name = "vcc12v_dcin";
@@ -654,6 +665,26 @@ vcc5v0_usb_otg_en: vcc5v0_usb_otg_en { 
			rockchip,pins = <0 RK_PA5 RK_FUNC_GPIO &pcfg_pull_none>;

		};

	};



	bt {

		bt_enable: bt-enable {

			rockchip,pins = <4 RK_PB2 RK_FUNC_GPIO &pcfg_pull_none>;

		};



		bt_host_wake: bt-host-wake {

			rockchip,pins = <4 RK_PB4 RK_FUNC_GPIO &pcfg_pull_down>;

		};



		bt_wake: bt-wake {

			rockchip,pins = <4 RK_PB5 RK_FUNC_GPIO &pcfg_pull_none>;

		};

	};



	sdio-pwrseq {

		wifi_enable: wifi-enable {

			rockchip,pins = <3 RK_PD4 RK_FUNC_GPIO &pcfg_pull_none>;

		};

	};

};



&pmu_io_domains {
@@ -698,12 +729,50 @@ &sdmmc0 { 
	status = "okay";

};



&sdmmc2 {

	supports-sdio;

	bus-width = <4>;

	disable-wp;

	cap-sd-highspeed;

	cap-sdio-irq;

	keep-power-in-suspend;

	mmc-pwrseq = <&sdio_pwrseq>;

	non-removable;

	pinctrl-names = "default";

	pinctrl-0 = <&sdmmc2m0_bus4 &sdmmc2m0_cmd &sdmmc2m0_clk>;

	sd-uhs-sdr104;

	vmmc-supply = <&vcc3v3_sys>;

	vqmmc-supply = <&vcc_1v8>;

	status = "okay";

};



&tsadc {

	rockchip,hw-tshut-mode = <1>;

	rockchip,hw-tshut-polarity = <0>;

	status = "okay";

};



&uart1 {

	pinctrl-names = "default";

	pinctrl-0 = <&uart1m0_xfer &uart1m0_ctsn &uart1m0_rtsn>;

	uart-has-rtscts;

	status = "okay";



	bluetooth {

		compatible = "brcm,bcm43438-bt";

		clocks = <&rk809 1>;

		clock-names = "lpo";

		device-wakeup-gpios = <&gpio4 RK_PB5 GPIO_ACTIVE_HIGH>;

		host-wakeup-gpios = <&gpio4 RK_PB4 GPIO_ACTIVE_HIGH>;

		shutdown-gpios = <&gpio4 RK_PB2 GPIO_ACTIVE_HIGH>;

		pinctrl-names = "default";

		pinctrl-0 = <&bt_host_wake &bt_wake &bt_enable>;

		vbat-supply = <&vcc3v3_sys>;

		vddio-supply = <&vcc_1v8>;

		/* vddio comes from regulator on module, use IO bank voltage instead */

	};

};



&uart2 {

	status = "okay";

};