diff options
| author | Caleb Connolly <caleb@connolly.tech> | 2022-10-16 20:29:41 +0300 |
|---|---|---|
| committer | Bjorn Andersson <andersson@kernel.org> | 2022-10-18 06:01:46 +0300 |
| commit | 691dfbf54214c9c42444f357fc3a8103a10ad738 (patch) | |
| tree | c83bd3a359a15c5a8bd49c03ebc7dfa95c78ab2e /arch/arm64/boot/dts/qcom/sdm845-cheza.dtsi | |
| parent | 0cde1210f7b9f6f17f3af450bde598c0ad9d54cc (diff) | |
| download | linux-691dfbf54214c9c42444f357fc3a8103a10ad738.tar.xz | |
arm64: dts: qcom: sdm845: commonize bluetooth UART pinmux
The 4-pin configuration for UART6 is used for all or almost all SDM845
devices with built in Bluetooth. Move the pinmux configuration to
sdm845.dtsi in preparation to be removed from individual devices in
future patches.
Suggested-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Caleb Connolly <caleb@connolly.tech>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20221016172944.1892206-2-kc@postmarketos.org
Diffstat (limited to 'arch/arm64/boot/dts/qcom/sdm845-cheza.dtsi')
| -rw-r--r-- | arch/arm64/boot/dts/qcom/sdm845-cheza.dtsi | 37 |
1 files changed, 2 insertions, 35 deletions
diff --git a/arch/arm64/boot/dts/qcom/sdm845-cheza.dtsi b/arch/arm64/boot/dts/qcom/sdm845-cheza.dtsi index 5eafb556cc0c..41aedb60e16d 100644 --- a/arch/arm64/boot/dts/qcom/sdm845-cheza.dtsi +++ b/arch/arm64/boot/dts/qcom/sdm845-cheza.dtsi @@ -860,6 +860,8 @@ ap_ts_i2c: &i2c14 { &uart6 { status = "okay"; + pinctrl-0 = <&qup_uart6_4pin>; + bluetooth: wcn3990-bt { compatible = "qcom,wcn3990-bt"; vddio-supply = <&src_pp1800_s4a>; @@ -1079,41 +1081,6 @@ ap_ts_i2c: &i2c14 { }; }; -&qup_uart6_default { - /* Change pinmux to all 4 pins since CTS and RTS are connected */ - pinmux { - pins = "gpio45", "gpio46", - "gpio47", "gpio48"; - }; - - pinconf-cts { - /* - * Configure a pull-down on 45 (CTS) to match the pull of - * the Bluetooth module. - */ - pins = "gpio45"; - bias-pull-down; - }; - - pinconf-rts-tx { - /* We'll drive 46 (RTS) and 47 (TX), so no pull */ - pins = "gpio46", "gpio47"; - drive-strength = <2>; - bias-disable; - }; - - pinconf-rx { - /* - * Configure a pull-up on 48 (RX). This is needed to avoid - * garbage data when the TX pin of the Bluetooth module is - * in tri-state (module powered off or not driving the - * signal yet). - */ - pins = "gpio48"; - bias-pull-up; - }; -}; - &qup_uart9_default { pinconf-tx { pins = "gpio4"; |