Re: [PATCH 1/2] arm64: dts: renesas: initial V3MSK board device tree

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Hello!

On 11/29/2017 12:51 PM, Simon Horman wrote:

Add the initial device  tree for the V3M Starter Kit board.
The board has 1 debug serial port (SCIF0); include support for it,
so that the serial console can work.

Based on the original (and large) patch by Vladimir Barinov.

Signed-off-by: Vladimir Barinov <vladimir.barinov@xxxxxxxxxxxxxxxxxx>
Signed-off-by: Sergei Shtylyov <sergei.shtylyov@xxxxxxxxxxxxxxxxxx>

---
  arch/arm64/boot/dts/renesas/Makefile           |    2 -
[...]
Index: renesas/arch/arm64/boot/dts/renesas/r8a77970-v3msk.dts
===================================================================
--- /dev/null
+++ renesas/arch/arm64/boot/dts/renesas/r8a77970-v3msk.dts
@@ -0,0 +1,44 @@
+/*
+ * Device Tree Source for the V3M Starter Kit board
+ *
+ * Copyright (C) 2017 Renesas Electronics Corp.
+ * Copyright (C) 2017 Cogent Embedded, Inc.
+ *
+ * This file is licensed under the terms of the GNU General Public License
+ * version 2.  This program is licensed "as is" without any warranty of any
+ * kind, whether express or implied.
+ */
+
+/dts-v1/;
+#include "r8a77970.dtsi"
+
+/ {
+	model = "Renesas V3M Starter Kit board";
+	compatible = "renesas,v3msk", "renesas,r8a77970";
+
+	aliases {
+		serial0 = &scif0;
+	};
+
+	chosen {

For consistency with other Renesas boards I would like to request the
following be added here:

		bootargs = "ignore_loglevel rw";

There's currently no consistency as ulcb.dtsi doesn't seem to specify "bootargs" prop at all. Moreover, this prop seems to be ignored by ARM64 kernel -- I can only specify "bootargs" in U-Boot....

MBR, Sergei



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