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Allwinner: linux: enable BT on Tanix TX6 and add wifi node for rtl8822cs (rtw88)

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heitbaum 2021-05-23 06:37:45 +00:00
parent 37e83ff5fb
commit 9f5e173f9b
1 changed files with 113 additions and 0 deletions
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113
projects/Allwinner/devices/H6/patches/linux/0020-arm64-dts-allwinner-h6-tanix-tx6-add-bt-enable-rtw88.patch Normal file
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@ -0,0 +1,113 @@
From ba918badf612c19b4e31a57b2ff4baa06e99d7d5 Mon Sep 17 00:00:00 2001
From: heitbaum <rudi@heitbaum.com>
Date: Sun, 23 May 2021 06:37:45 +0000
Subject: [PATCH] Allwinner: linux: enable BT on Tanix TX6 and add wifi node for rtl8822cs (rtw88)
Add and enable dts nodes for both rtw88 (rtl8822cs sdio) and uart rtl8822cs bluetooth.
# udevadm info /sys/bus/sdio/devices/mmc1\:0001\:1/
P: /devices/platform/soc/4021000.mmc/mmc_host/mmc1/mmc1:0001/mmc1:0001:1
L: 0
E:
DEVPATH=/devices/platform/soc/4021000.mmc/mmc_host/mmc1/mmc1:0001/mmc1:0001:1
E: OF_NAME=sdio-wifi
E: OF_FULLNAME=/soc/mmc@4021000/sdio-wifi@1
E: OF_COMPATIBLE_N=0
E: SDIO_CLASS=07
E: SDIO_ID=024C:C822
E: SDIO_REVISION=0.0
E: MODALIAS=sdio:c07v024CdC822
E: SUBSYSTEM=sdio
# dmesg | grep hci0
Bluetooth: hci0: RTL: examining hci_ver=08 hci_rev=000c subver=8822
Bluetooth: hci0: RTL: rom_version status=0 version=3
Bluetooth: hci0: RTL: loading rtl_bt/rtl8822cs_fw.bin
Bluetooth: hci0: RTL: loading rtl_bt/rtl8822cs_config.bin
---
.../dts/allwinner/sun50i-h6-tanix-tx6.dts | 32 +++++++++++++++++++
1 file changed, 48 insertions(+)
diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h6-tanix-tx6.dts b/arch/arm64/boot/dts/allwinner/sun50i-h6-tanix-tx6.dts
index 5233ad1488..06e7820fd9 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-h6-tanix-tx6.dts
+++ b/arch/arm64/boot/dts/allwinner/sun50i-h6-tanix-tx6.dts
@@ -47,12 +47,29 @@ reg_vcc3v3: vcc3v3 {
regulator-max-microvolt = <3300000>;
};
+ reg_vcc_wifi_io: vcc-wifi-io {
+ /* Always on 1.8V/300mA regulator for WiFi and BT IO */
+ compatible = "regulator-fixed";
+ regulator-name = "vcc-wifi-io";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ regulator-always-on;
+ vin-supply = <&reg_vcc3v3>;
+ };
+
reg_vdd_cpu_gpu: vdd-cpu-gpu {
compatible = "regulator-fixed";
regulator-name = "vdd-cpu-gpu";
regulator-min-microvolt = <1135000>;
regulator-max-microvolt = <1135000>;
};
+
+ wifi_pwrseq: wifi-pwrseq {
+ compatible = "mmc-pwrseq-simple";
+ clocks = <&rtc 1>;
+ clock-names = "ext_clock";
+ reset-gpios = <&r_pio 1 3 GPIO_ACTIVE_LOW>; /* PM3 */
+ };
};
&ac200_pwm_clk {
@@ -122,6 +139,22 @@ &mmc0 {
status = "okay";
};
+&mmc1 {
+ vmmc-supply = <&reg_vcc3v3>;
+ vqmmc-supply = <&reg_vcc_wifi_io>;
+ mmc-pwrseq = <&wifi_pwrseq>;
+ bus-width = <4>;
+ non-removable;
+ status = "okay";
+
+ rtl8822cs: sdio-wifi@1 {
+ reg = <1>;
+ interrupt-parent = <&r_pio>;
+ interrupts = <1 0 IRQ_TYPE_LEVEL_LOW>; /* PM0 */
+ interrupt-names = "host-wake";
+ };
+};
+
&mmc2 {
vmmc-supply = <&reg_vcc3v3>;
vqmmc-supply = <&reg_vcc1v8>;
@@ -158,6 +191,21 @@ &uart0 {
status = "okay";
};
+&uart1 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&uart1_pins>, <&uart1_rts_cts_pins>;
+ uart-has-rtscts;
+ status = "okay";
+
+ bluetooth {
+ //use 8822cs compatible to load hci_h5 and btrtl driver
+ compatible = "realtek,rtl8822cs-bt";
+ device-wake-gpios = <&r_pio 1 2 GPIO_ACTIVE_HIGH>; /* PM2 */
+ host-wake-gpios = <&r_pio 1 1 GPIO_ACTIVE_HIGH>; /* PM1 */
+ enable-gpios = <&r_pio 1 4 GPIO_ACTIVE_HIGH>; /* PM4 */
+ };
+};
+
&usb2otg {
dr_mode = "host";
status = "okay";
--
2.29.2