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[2/5] dts: arm64: sdm845-oneplus-common: enable debug UART

Message ID 20210720153125.43389-3-caleb@connolly.tech
State New
Headers show
Series OnePlus 6 fixes | expand

Commit Message

Caleb Connolly July 20, 2021, 3:33 p.m. UTC 
A labelled diagram showing the location of the Rx and Tx testpoints for
the OnePlus 6 is available on the postmarketOS wiki:

https://wiki.postmarketos.org/wiki/Serial_debugging:Cable_schematics

The device uses 1.8v UART at a baud rate of 115200, bootloader output is
also available here.

Signed-off-by: Caleb Connolly <caleb@connolly.tech>

---
 arch/arm64/boot/dts/qcom/sdm845-oneplus-common.dtsi | 10 ++++++++++
 1 file changed, 10 insertions(+)

--
2.32.0
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Patch

diff --git a/arch/arm64/boot/dts/qcom/sdm845-oneplus-common.dtsi b/arch/arm64/boot/dts/qcom/sdm845-oneplus-common.dtsi
index eb6b1d15293d..e81f5cc9f26d 100644
--- a/arch/arm64/boot/dts/qcom/sdm845-oneplus-common.dtsi
+++ b/arch/arm64/boot/dts/qcom/sdm845-oneplus-common.dtsi
@@ -19,9 +19,14 @@ 

 / {
 	aliases {
+		serial0 = &uart9;
 		hsuart0 = &uart6;
 	};

+	chosen {
+		stdout-path = "serial0:115200n8";
+	};
+
 	gpio-keys {
 		compatible = "gpio-keys";
 		label = "Volume keys";
@@ -526,6 +531,11 @@  bluetooth {
 	};
 };

+&uart9 {
+	label = "LS-UART1";
+	status = "okay";
+};
+
 &ufs_mem_hc {
 	status = "okay";