Hayato's Realtek WiFi/BT module has it's Bluetooth function wired to
UART1.
Add and enable the relevant device nodes for it.
Signed-off-by: Chen-Yu Tsai <wenst@xxxxxxxxxxxx>
Reviewed-by: Nícolas F. R. A. Prado <nfraprado@xxxxxxxxxxxxx>
---
Changes since v1:
- Dropped unreferenced labels
- Dropped GPIO line name comments
- Fixed pinctrl node names
- Dropped "output-enable" property
- Added spacing between device nodes for consistency
.../dts/mediatek/mt8192-asurada-hayato-r1.dts | 81 +++++++++++++++++++
1 file changed, 81 insertions(+)
diff --git a/arch/arm64/boot/dts/mediatek/mt8192-asurada-hayato-r1.dts b/arch/arm64/boot/dts/mediatek/mt8192-asurada-hayato-r1.dts
index 43a823990a92..6e23428a3ed2 100644
--- a/arch/arm64/boot/dts/mediatek/mt8192-asurada-hayato-r1.dts
+++ b/arch/arm64/boot/dts/mediatek/mt8192-asurada-hayato-r1.dts
@@ -40,9 +40,90 @@ CROS_STD_MAIN_KEYMAP
>;
};
+&pio {
+ bt_pins: bt-pins {
+ pins-bt-kill {
+ pinmux = <PINMUX_GPIO144__FUNC_GPIO144>;
+ output-low;
+ };
+
+ pins-bt-wake {
+ pinmux = <PINMUX_GPIO22__FUNC_GPIO22>;
+ bias-pull-up;
+ };
+
+ pins-ap-wake-bt {
+ pinmux = <PINMUX_GPIO168__FUNC_GPIO168>;
+ output-low;
+ };
+ };
+
+ uart1_pins: uart1-pins {
+ pins-rx {
+ pinmux = <PINMUX_GPIO94__FUNC_URXD1>;
+ input-enable;
+ bias-pull-up;
+ };
+
+ pins-tx {
+ pinmux = <PINMUX_GPIO95__FUNC_UTXD1>;
+ };
+
+ pins-cts {
+ pinmux = <PINMUX_GPIO166__FUNC_UCTS1>;
+ input-enable;
+ };
+
+ pins-rts {
+ pinmux = <PINMUX_GPIO167__FUNC_URTS1>;
+ };
+ };
+
+ uart1_pins_sleep: uart1-sleep-pins {
+ pins-rx {
+ pinmux = <PINMUX_GPIO94__FUNC_GPIO94>;
+ input-enable;
+ bias-pull-up;
+ };
+
+ pins-tx {
+ pinmux = <PINMUX_GPIO95__FUNC_UTXD1>;
+ };
+
+ pins-cts {
+ pinmux = <PINMUX_GPIO166__FUNC_UCTS1>;
+ input-enable;
+ };
+
+ pins-rts {
+ pinmux = <PINMUX_GPIO167__FUNC_URTS1>;
+ };
+ };
+};
+
&touchscreen {
compatible = "hid-over-i2c";
post-power-on-delay-ms = <10>;
hid-descr-addr = <0x0001>;
vdd-supply = <&pp3300_u>;
};
+
+&uart1 {
+ status = "okay";
+ pinctrl-names = "default", "sleep";
+ pinctrl-0 = <&uart1_pins>;
+ pinctrl-1 = <&uart1_pins_sleep>;
+ /delete-property/ interrupts;
+ interrupts-extended = <&gic GIC_SPI 110 IRQ_TYPE_LEVEL_HIGH 0>,
+ <&pio 94 IRQ_TYPE_EDGE_FALLING>;
+
+ bluetooth {
+ compatible = "realtek,rtl8822cs-bt";
+ pinctrl-names = "default";
+ pinctrl-0 = <&bt_pins>;
+
+ enable-gpios = <&pio 144 GPIO_ACTIVE_HIGH>;
+ device-wake-gpios = <&pio 168 GPIO_ACTIVE_HIGH>;
+ host-wake-gpios = <&pio 22 GPIO_ACTIVE_LOW>;
+ };
+};
--
2.40.0.634.g4ca3ef3211-goog
