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From: Caleb Connolly <caleb@connolly.tech>
To: Caleb Connolly <caleb@connolly.tech>
Cc: Andy Gross <agross@kernel.org>,
	Bjorn Andersson <bjorn.andersson@linaro.org>,
	Rob Herring <robh+dt@kernel.org>,
	Thierry Reding <thierry.reding@gmail.com>,
	Sam Ravnborg <sam@ravnborg.org>, David Airlie <airlied@linux.ie>,
	Daniel Vetter <daniel@ffwll.ch>,
	linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org,
	dri-devel@lists.freedesktop.org
Subject: [PATCH 2/5] dts: arm64: sdm845-oneplus-common: enable debug UART
Date: Tue, 20 Jul 2021 15:33:42 +0000	[thread overview]
Message-ID: <20210720153125.43389-3-caleb@connolly.tech> (raw)
In-Reply-To: <20210720153125.43389-1-caleb@connolly.tech>

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(+)

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";

--
2.32.0



  parent reply	other threads:[~2021-07-20 15:46 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-07-20 15:33 [PATCH 0/5] OnePlus 6 fixes Caleb Connolly
2021-07-20 15:33 ` [PATCH 1/5] arm64: dts: qcom: sdm845-oneplus: fix reserved-mem Caleb Connolly
2021-07-20 15:33 ` Caleb Connolly [this message]
2021-07-20 15:33 ` [PATCH 3/5] drm/panel/samsung-sofef00: make gpio optional Caleb Connolly
2021-07-20 16:03   ` Bjorn Andersson
2021-07-20 16:24     ` Caleb Connolly
2021-07-20 15:33 ` [PATCH 4/5] arm64: dts: qcom: sdm845-oneplus-fajita: remove panel reset gpio Caleb Connolly
2021-07-20 15:33 ` [PATCH 5/5] arm64: dts: qcom: sdm845-oneplus: add ipa firmware names Caleb Connolly

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