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

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

[Sergei Shtylyov]

[-- Attachment #1: arm64-dts-renesas-initial-V3MSK-board-device-tree.patch --]
[-- Type: text/plain, Size: 2313 bytes --]

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@cogentembedded.com>
Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>

---
 arch/arm64/boot/dts/renesas/Makefile           |    2 -
 arch/arm64/boot/dts/renesas/r8a77970-v3msk.dts |   44 +++++++++++++++++++++++++
 2 files changed, 45 insertions(+), 1 deletion(-)

Index: renesas/arch/arm64/boot/dts/renesas/Makefile
===================================================================
--- renesas.orig/arch/arm64/boot/dts/renesas/Makefile
+++ renesas/arch/arm64/boot/dts/renesas/Makefile
@@ -7,7 +7,7 @@ dtb-$(CONFIG_ARCH_R8A7795) += r8a7795-es
 dtb-$(CONFIG_ARCH_R8A7796) += r8a7796-salvator-x.dtb r8a7796-m3ulcb.dtb
 dtb-$(CONFIG_ARCH_R8A7796) += r8a7796-m3ulcb-kf.dtb
 dtb-$(CONFIG_ARCH_R8A7796) += r8a7796-salvator-xs.dtb
-dtb-$(CONFIG_ARCH_R8A77970) += r8a77970-eagle.dtb
+dtb-$(CONFIG_ARCH_R8A77970) += r8a77970-eagle.dtb r8a77970-v3msk.dtb
 dtb-$(CONFIG_ARCH_R8A77995) += r8a77995-draak.dtb
 
 always		:= $(dtb-y)
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 {
+		stdout-path = "serial0:115200n8";
+	};
+
+	memory@48000000 {
+		device_type = "memory";
+		/* first 128MB is reserved for secure area. */
+		reg = <0x0 0x48000000 0x0 0x38000000>;
+	};
+};
+
+&extal_clk {
+	clock-frequency = <16666666>;
+};
+
+&extalr_clk {
+	clock-frequency = <32768>;
+};
+
+&scif0 {
+	status = "okay";
+};

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

[Sergei Shtylyov]

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@cogentembedded.com>
Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>

---
 arch/arm64/boot/dts/renesas/Makefile           |    2 -
 arch/arm64/boot/dts/renesas/r8a77970-v3msk.dts |   44 +++++++++++++++++++++++++
 2 files changed, 45 insertions(+), 1 deletion(-)

Index: renesas/arch/arm64/boot/dts/renesas/Makefile
===================================================================
--- renesas.orig/arch/arm64/boot/dts/renesas/Makefile
+++ renesas/arch/arm64/boot/dts/renesas/Makefile
@@ -7,7 +7,7 @@ dtb-$(CONFIG_ARCH_R8A7795) += r8a7795-es
 dtb-$(CONFIG_ARCH_R8A7796) += r8a7796-salvator-x.dtb r8a7796-m3ulcb.dtb
 dtb-$(CONFIG_ARCH_R8A7796) += r8a7796-m3ulcb-kf.dtb
 dtb-$(CONFIG_ARCH_R8A7796) += r8a7796-salvator-xs.dtb
-dtb-$(CONFIG_ARCH_R8A77970) += r8a77970-eagle.dtb
+dtb-$(CONFIG_ARCH_R8A77970) += r8a77970-eagle.dtb r8a77970-v3msk.dtb
 dtb-$(CONFIG_ARCH_R8A77995) += r8a77995-draak.dtb
 
 always		:= $(dtb-y)
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 {
+		stdout-path = "serial0:115200n8";
+	};
+
+	memory at 48000000 {
+		device_type = "memory";
+		/* first 128MB is reserved for secure area. */
+		reg = <0x0 0x48000000 0x0 0x38000000>;
+	};
+};
+
+&extal_clk {
+	clock-frequency = <16666666>;
+};
+
+&extalr_clk {
+	clock-frequency = <32768>;
+};
+
+&scif0 {
+	status = "okay";
+};

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

[Simon Horman]

On Fri, Nov 24, 2017 at 11:59:44PM +0300, Sergei Shtylyov 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-M4DtvfQ/ZS1MRgGoP+s0PdBPR1lH4CV8@public.gmane.org>
> Signed-off-by: Sergei Shtylyov <sergei.shtylyov-M4DtvfQ/ZS1MRgGoP+s0PdBPR1lH4CV8@public.gmane.org>
> 
> ---
>  arch/arm64/boot/dts/renesas/Makefile           |    2 -
>  arch/arm64/boot/dts/renesas/r8a77970-v3msk.dts |   44 +++++++++++++++++++++++++
>  2 files changed, 45 insertions(+), 1 deletion(-)
> 
> Index: renesas/arch/arm64/boot/dts/renesas/Makefile
> ===================================================================
> --- renesas.orig/arch/arm64/boot/dts/renesas/Makefile
> +++ renesas/arch/arm64/boot/dts/renesas/Makefile
> @@ -7,7 +7,7 @@ dtb-$(CONFIG_ARCH_R8A7795) += r8a7795-es
>  dtb-$(CONFIG_ARCH_R8A7796) += r8a7796-salvator-x.dtb r8a7796-m3ulcb.dtb
>  dtb-$(CONFIG_ARCH_R8A7796) += r8a7796-m3ulcb-kf.dtb
>  dtb-$(CONFIG_ARCH_R8A7796) += r8a7796-salvator-xs.dtb
> -dtb-$(CONFIG_ARCH_R8A77970) += r8a77970-eagle.dtb
> +dtb-$(CONFIG_ARCH_R8A77970) += r8a77970-eagle.dtb r8a77970-v3msk.dtb
>  dtb-$(CONFIG_ARCH_R8A77995) += r8a77995-draak.dtb
>  
>  always		:= $(dtb-y)
> 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";

> +		stdout-path = "serial0:115200n8";
> +	};
> +
> +	memory@48000000 {
> +		device_type = "memory";
> +		/* first 128MB is reserved for secure area. */
> +		reg = <0x0 0x48000000 0x0 0x38000000>;
> +	};
> +};
> +
> +&extal_clk {
> +	clock-frequency = <16666666>;
> +};
> +
> +&extalr_clk {
> +	clock-frequency = <32768>;
> +};
> +
> +&scif0 {
> +	status = "okay";
> +};
> 
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Re: [PATCH 1/2] arm64: dts: renesas: initial V3MSK board device tree

[Simon Horman]

On Fri, Nov 24, 2017 at 11:59:44PM +0300, Sergei Shtylyov 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@cogentembedded.com>
> Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
> 
> ---
>  arch/arm64/boot/dts/renesas/Makefile           |    2 -
>  arch/arm64/boot/dts/renesas/r8a77970-v3msk.dts |   44 +++++++++++++++++++++++++
>  2 files changed, 45 insertions(+), 1 deletion(-)
> 
> Index: renesas/arch/arm64/boot/dts/renesas/Makefile
> ===================================================================
> --- renesas.orig/arch/arm64/boot/dts/renesas/Makefile
> +++ renesas/arch/arm64/boot/dts/renesas/Makefile
> @@ -7,7 +7,7 @@ dtb-$(CONFIG_ARCH_R8A7795) += r8a7795-es
>  dtb-$(CONFIG_ARCH_R8A7796) += r8a7796-salvator-x.dtb r8a7796-m3ulcb.dtb
>  dtb-$(CONFIG_ARCH_R8A7796) += r8a7796-m3ulcb-kf.dtb
>  dtb-$(CONFIG_ARCH_R8A7796) += r8a7796-salvator-xs.dtb
> -dtb-$(CONFIG_ARCH_R8A77970) += r8a77970-eagle.dtb
> +dtb-$(CONFIG_ARCH_R8A77970) += r8a77970-eagle.dtb r8a77970-v3msk.dtb
>  dtb-$(CONFIG_ARCH_R8A77995) += r8a77995-draak.dtb
>  
>  always		:= $(dtb-y)
> 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";

> +		stdout-path = "serial0:115200n8";
> +	};
> +
> +	memory@48000000 {
> +		device_type = "memory";
> +		/* first 128MB is reserved for secure area. */
> +		reg = <0x0 0x48000000 0x0 0x38000000>;
> +	};
> +};
> +
> +&extal_clk {
> +	clock-frequency = <16666666>;
> +};
> +
> +&extalr_clk {
> +	clock-frequency = <32768>;
> +};
> +
> +&scif0 {
> +	status = "okay";
> +};
> 

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

[Simon Horman]

On Fri, Nov 24, 2017 at 11:59:44PM +0300, Sergei Shtylyov 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@cogentembedded.com>
> Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
> 
> ---
>  arch/arm64/boot/dts/renesas/Makefile           |    2 -
>  arch/arm64/boot/dts/renesas/r8a77970-v3msk.dts |   44 +++++++++++++++++++++++++
>  2 files changed, 45 insertions(+), 1 deletion(-)
> 
> Index: renesas/arch/arm64/boot/dts/renesas/Makefile
> ===================================================================
> --- renesas.orig/arch/arm64/boot/dts/renesas/Makefile
> +++ renesas/arch/arm64/boot/dts/renesas/Makefile
> @@ -7,7 +7,7 @@ dtb-$(CONFIG_ARCH_R8A7795) += r8a7795-es
>  dtb-$(CONFIG_ARCH_R8A7796) += r8a7796-salvator-x.dtb r8a7796-m3ulcb.dtb
>  dtb-$(CONFIG_ARCH_R8A7796) += r8a7796-m3ulcb-kf.dtb
>  dtb-$(CONFIG_ARCH_R8A7796) += r8a7796-salvator-xs.dtb
> -dtb-$(CONFIG_ARCH_R8A77970) += r8a77970-eagle.dtb
> +dtb-$(CONFIG_ARCH_R8A77970) += r8a77970-eagle.dtb r8a77970-v3msk.dtb
>  dtb-$(CONFIG_ARCH_R8A77995) += r8a77995-draak.dtb
>  
>  always		:= $(dtb-y)
> 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";

> +		stdout-path = "serial0:115200n8";
> +	};
> +
> +	memory at 48000000 {
> +		device_type = "memory";
> +		/* first 128MB is reserved for secure area. */
> +		reg = <0x0 0x48000000 0x0 0x38000000>;
> +	};
> +};
> +
> +&extal_clk {
> +	clock-frequency = <16666666>;
> +};
> +
> +&extalr_clk {
> +	clock-frequency = <32768>;
> +};
> +
> +&scif0 {
> +	status = "okay";
> +};
> 

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

[Sergei Shtylyov]

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-M4DtvfQ/ZS1MRgGoP+s0PdBPR1lH4CV8@public.gmane.org>
>> Signed-off-by: Sergei Shtylyov <sergei.shtylyov-M4DtvfQ/ZS1MRgGoP+s0PdBPR1lH4CV8@public.gmane.org>
>>
>> ---
>>   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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Re: [PATCH 1/2] arm64: dts: renesas: initial V3MSK board device tree

[Sergei Shtylyov]

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@cogentembedded.com>
>> Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
>>
>> ---
>>   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

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

[Sergei Shtylyov]

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@cogentembedded.com>
>> Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
>>
>> ---
>>   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

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

[Simon Horman]

On Wed, Nov 29, 2017 at 01:14:21PM +0300, Sergei Shtylyov wrote:
> 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@cogentembedded.com>
> > > Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
> > > 
> > > ---
> > >   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....

I had assumed that ulcb.dtsi should be updated in this regards but
I now see that bootargs does not seem to have any effect (on
r8a7796/salvator-x) as you suggest.

I have applied this and the following patch.

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

[Simon Horman]

On Wed, Nov 29, 2017 at 01:14:21PM +0300, Sergei Shtylyov wrote:
> 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@cogentembedded.com>
> > > Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
> > > 
> > > ---
> > >   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....

I had assumed that ulcb.dtsi should be updated in this regards but
I now see that bootargs does not seem to have any effect (on
r8a7796/salvator-x) as you suggest.

I have applied this and the following patch.

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

[Geert Uytterhoeven]

On Fri, Nov 24, 2017 at 9:59 PM, Sergei Shtylyov
<sergei.shtylyov-M4DtvfQ/ZS1MRgGoP+s0PdBPR1lH4CV8@public.gmane.org> 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-M4DtvfQ/ZS1MRgGoP+s0PdBPR1lH4CV8@public.gmane.org>
> Signed-off-by: Sergei Shtylyov <sergei.shtylyov-M4DtvfQ/ZS1MRgGoP+s0PdBPR1lH4CV8@public.gmane.org>

Reviewed-by: Geert Uytterhoeven <geert+renesas-gXvu3+zWzMSzQB+pC5nmwQ@public.gmane.org>

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert-Td1EMuHUCqxL1ZNQvxDV9g@public.gmane.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds
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Re: [PATCH 1/2] arm64: dts: renesas: initial V3MSK board device tree

[Geert Uytterhoeven]

On Fri, Nov 24, 2017 at 9:59 PM, Sergei Shtylyov
<sergei.shtylyov@cogentembedded.com> 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@cogentembedded.com>
> Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>

Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds

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

[Geert Uytterhoeven]

On Fri, Nov 24, 2017 at 9:59 PM, Sergei Shtylyov
<sergei.shtylyov@cogentembedded.com> 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@cogentembedded.com>
> Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>

Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert at linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds