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: Shengyu Qu <wiagn233@xxxxxxxxxxx>
---
.../boot/dts/rockchip/rk3568-rock-3a.dts | 69 +++++++++++++++++++
1 file changed, 69 insertions(+)
diff --git a/arch/arm64/boot/dts/rockchip/rk3568-rock-3a.dts b/arch/arm64/boot/dts/rockchip/rk3568-rock-3a.dts
index 9577a34bb367..9cf20f3b4d16 100644
--- a/arch/arm64/boot/dts/rockchip/rk3568-rock-3a.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3568-rock-3a.dts
@@ -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 {
compatible = "regulator-fixed";
regulator-name = "vcc12v_dcin";
@@ -610,6 +621,26 @@ 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 {
@@ -654,12 +685,50 @@ &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";
};
--
2.25.1
