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Date: Sun, 16 Oct 2022 14:33:36 +0000
From: Caleb Connolly <caleb@...nolly.tech>
To: caleb@...nolly.tech
Cc: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
Andy Gross <agross@...nel.org>,
Bjorn Andersson <andersson@...nel.org>,
devicetree@...r.kernel.org,
Konrad Dybcio <konrad.dybcio@...ainline.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org,
Rob Herring <robh+dt@...nel.org>
Subject: [PATCH 1/7] 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@...aro.org>
Signed-off-by: Caleb Connolly <caleb@...nolly.tech>
---
arch/arm64/boot/dts/qcom/sdm845.dtsi | 23 +++++++++++++++++++++++
1 file changed, 23 insertions(+)
diff --git a/arch/arm64/boot/dts/qcom/sdm845.dtsi b/arch/arm64/boot/dts/qcom/sdm845.dtsi
index f0e286715d1b..8c69942b969b 100644
--- a/arch/arm64/boot/dts/qcom/sdm845.dtsi
+++ b/arch/arm64/boot/dts/qcom/sdm845.dtsi
@@ -2971,6 +2971,29 @@ pinmux {
};
};
+ qup_uart6_4pin: qup-uart6-4pin {
+ pinmux {
+ pins = "gpio45", "gpio46", "gpio47", "gpio48";
+ function = "qup6";
+ };
+
+ cts {
+ pins = "gpio45";
+ bias-pull-down;
+ };
+
+ rts-tx {
+ pins = "gpio46", "gpio47";
+ drive-strength = <2>;
+ bias-disable;
+ };
+
+ rx {
+ pins = "gpio48";
+ bias-pull-up;
+ };
+ };
+
qup_uart7_default: qup-uart7-default {
pinmux {
pins = "gpio95", "gpio96";
--
2.38.0
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