6.6-stable review patch. If anyone has any objections, please let me know.
------------------
From: Konrad Dybcio konrad.dybcio@linaro.org
[ Upstream commit 973c015facabcbd320063648010942c51992c1a1 ]
Newer RB1 board revisions have a debug UART on QUP0. Sadly, it looks like even when ordering one in retail, customers receive prototype boards with "Enginering Sample" written on them.
Use QUP4 for UART to make all known RB1 boards boot.
Fixes: e18771961336 ("arm64: dts: qcom: Add initial QTI RB1 device tree") Signed-off-by: Konrad Dybcio konrad.dybcio@linaro.org Reviewed-by: Dmitry Baryshkov dmitry.baryshkov@linaro.org Reported-by: Dmitry Baryshkov dmitry.baryshkov@linaro.org Link: https://lore.kernel.org/r/20230906-topic-rb1_features_sans_icc-v1-1-e92ce6fb... Signed-off-by: Bjorn Andersson andersson@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- arch/arm64/boot/dts/qcom/qrb2210-rb1.dts | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/arm64/boot/dts/qcom/qrb2210-rb1.dts b/arch/arm64/boot/dts/qcom/qrb2210-rb1.dts index eadba066972e8..5cda5b761455b 100644 --- a/arch/arm64/boot/dts/qcom/qrb2210-rb1.dts +++ b/arch/arm64/boot/dts/qcom/qrb2210-rb1.dts @@ -13,7 +13,7 @@ / { compatible = "qcom,qrb2210-rb1", "qcom,qrb2210", "qcom,qcm2290";
aliases { - serial0 = &uart0; + serial0 = &uart4; sdhc1 = &sdhc_1; sdhc2 = &sdhc_2; }; @@ -357,7 +357,7 @@ key_volp_n: key-volp-n-state { };
/* UART connected to the Micro-USB port via a FTDI chip */ -&uart0 { +&uart4 { compatible = "qcom,geni-debug-uart"; status = "okay"; };