diff options
| -rw-r--r-- | arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi b/arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi index f46d331bab47..bf875589d364 100644 --- a/arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi +++ b/arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi @@ -794,6 +794,13 @@ ap_spi_fp: &spi10 { &uart3 { status = "okay"; + /delete-property/interrupts; + interrupts-extended = <&intc GIC_SPI 604 IRQ_TYPE_LEVEL_HIGH>, + <&tlmm 41 IRQ_TYPE_EDGE_FALLING>; + + pinctrl-names = "default", "sleep"; + pinctrl-1 = <&qup_uart3_sleep>; + bluetooth: bluetooth { compatible = "qcom,wcn3991-bt"; vddio-supply = <&pp1800_l10a>; @@ -1307,6 +1314,53 @@ ap_spi_fp: &spi10 { }; }; + qup_uart3_sleep: qup-uart3-sleep { + pinmux { + pins = "gpio38", "gpio39", + "gpio40", "gpio41"; + function = "gpio"; + }; + + pinconf-cts { + /* + * Configure a pull-down on CTS to match the pull of + * the Bluetooth module. + */ + pins = "gpio38"; + bias-pull-down; + }; + + pinconf-rts { + /* + * Configure pull-down on RTS. As RTS is active low + * signal, pull it low to indicate the BT SoC that it + * can wakeup the system anytime from suspend state by + * pulling RX low (by sending wakeup bytes). + */ + pins = "gpio39"; + bias-pull-down; + }; + + pinconf-tx { + /* + * Configure pull-up on TX when it isn't actively driven + * to prevent BT SoC from receiving garbage during sleep. + */ + pins = "gpio40"; + bias-pull-up; + }; + + pinconf-rx { + /* + * Configure a pull-up on RX. This is needed to avoid + * garbage data when the TX pin of the Bluetooth module + * is floating which may cause spurious wakeups. + */ + pins = "gpio41"; + bias-pull-up; + }; + }; + trackpad_int_1v8_odl: trackpad-int-1v8-odl { pinmux { pins = "gpio58"; |