arm64: dts: qcom: qrb2210-rb1: Swap UART index

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-e92ce6fbde16@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>

diff --git a/arch/arm64/boot/dts/qcom/qrb2210-rb1.dts b/arch/arm64/boot/dts/qcom/qrb2210-rb1.dts
index eadba066972e875d7510ec7de31cb19b1321a9c6..5cda5b761455b4a454ec21bb5c43707397d9ebdf 100644 (file)
--- 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 @@
 };
 
 /* UART connected to the Micro-USB port via a FTDI chip */
-&uart0 {
+&uart4 {
        compatible = "qcom,geni-debug-uart";
        status = "okay";
 };