db820c: add dummy clock for uart node

The missing clock causes serial_msm driver probe to fail.
Added a dummy node so the probe succeeds, as the clock init
currently in db820c is empty.

Fixes: 11d59fe5374a ("serial: serial_msm: fail probe if settings clocks fails")
Signed-off-by: Ramon Fried <ramon.fried@gmail.com>

diff --git a/arch/arm/dts/dragonboard820c.dts b/arch/arm/dts/dragonboard820c.dts
index 7bfae1c42669e893595f51dc18e7d075a7e9e3fa..7457d7b7e3ff2ab7e324019026d8090ab37c35e6 100644 (file)
--- a/arch/arm/dts/dragonboard820c.dts
+++ b/arch/arm/dts/dragonboard820c.dts
@@ -50,6 +50,7 @@
                blsp2_uart1: serial@75b0000 {
                        compatible = "qcom,msm-uartdm-v1.4", "qcom,msm-uartdm";
                        reg = <0x75b0000 0x1000>;
+                       clock = <&gcc 4>;
                };
 
                sdhc2: sdhci@74a4900 {