2021-05-15 07:52:26

by Prabhakar Mahadev Lad

Subject: [PATCH 16/16] arm64: dts: renesas: Add initial device tree for RZ/G2L SMARC EVK

Add basic support for RZ/G2L SMARC EVK (based on R9A07G044L2):
- memory
- External input clock
- SCIF

Signed-off-by: Lad Prabhakar <[email protected]>
Signed-off-by: Biju Das <[email protected]>
---
arch/arm64/boot/dts/renesas/Makefile | 2 ++
arch/arm64/boot/dts/renesas/g2l-smarc.dtsi | 27 +++++++++++++++++++
.../boot/dts/renesas/r9a07g044l2-smarc.dts | 21 +++++++++++++++
3 files changed, 50 insertions(+)
create mode 100644 arch/arm64/boot/dts/renesas/g2l-smarc.dtsi
create mode 100644 arch/arm64/boot/dts/renesas/r9a07g044l2-smarc.dts

diff --git a/arch/arm64/boot/dts/renesas/Makefile b/arch/arm64/boot/dts/renesas/Makefile
index f2de2fa0c8b8..74daf49f1c56 100644
--- a/arch/arm64/boot/dts/renesas/Makefile
+++ b/arch/arm64/boot/dts/renesas/Makefile
@@ -62,3 +62,5 @@ dtb-$(CONFIG_ARCH_R8A77990) += r8a77990-ebisu.dtb
dtb-$(CONFIG_ARCH_R8A77995) += r8a77995-draak.dtb

dtb-$(CONFIG_ARCH_R8A779A0) += r8a779a0-falcon.dtb
+
+dtb-$(CONFIG_ARCH_R9A07G044L) += r9a07g044l2-smarc.dtb
diff --git a/arch/arm64/boot/dts/renesas/g2l-smarc.dtsi b/arch/arm64/boot/dts/renesas/g2l-smarc.dtsi
new file mode 100644
index 000000000000..9b95d73fb798
--- /dev/null
+++ b/arch/arm64/boot/dts/renesas/g2l-smarc.dtsi
@@ -0,0 +1,27 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Device Tree Source for the RZ/G2L SMARC EVK common parts
+ *
+ * Copyright (C) 2021 Renesas Electronics Corp.
+ */
+
+#include <dt-bindings/gpio/gpio.h>
+
+/ {
+ aliases {
+ serial0 = &scif0;
+ };
+
+ chosen {
+ bootargs = "ignore_loglevel";
+ stdout-path = "serial0:115200n8";
+ };
+};
+
+&extal_clk {
+ clock-frequency = <24000000>;
+};
+
+&scif0 {
+ status = "okay";
+};
diff --git a/arch/arm64/boot/dts/renesas/r9a07g044l2-smarc.dts b/arch/arm64/boot/dts/renesas/r9a07g044l2-smarc.dts
new file mode 100644
index 000000000000..9ebd406445bc
--- /dev/null
+++ b/arch/arm64/boot/dts/renesas/r9a07g044l2-smarc.dts
@@ -0,0 +1,21 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Device Tree Source for the RZ/G2L SMARC EVK board
+ *
+ * Copyright (C) 2021 Renesas Electronics Corp.
+ */
+
+/dts-v1/;
+#include "r9a07g044l2.dtsi"
+#include "g2l-smarc.dtsi"
+
+/ {
+ model = "Renesas SMARC EVK based on r9a07g044l2";
+ compatible = "renesas,smarc-r9a07g044l2", "renesas,r9a07g044l2", "renesas,r9a07g044";
+
+ memory@48000000 {
+ device_type = "memory";
+ /* first 128MB is reserved for secure area. */
+ reg = <0x0 0x48000000 0x0 0x78000000>;
+ };
+};
--
2.17.1

2021-05-21 20:21:50

by Geert Uytterhoeven

Subject: Re: [PATCH 16/16] arm64: dts: renesas: Add initial device tree for RZ/G2L SMARC EVK

Hi Prabhakar,

On Fri, May 14, 2021 at 9:24 PM Lad Prabhakar
<[email protected]> wrote:
> Add basic support for RZ/G2L SMARC EVK (based on R9A07G044L2):
> - memory
> - External input clock
> - SCIF
>
> Signed-off-by: Lad Prabhakar <[email protected]>
> Signed-off-by: Biju Das <[email protected]>

Thanks for your patch!

> --- a/arch/arm64/boot/dts/renesas/Makefile
> +++ b/arch/arm64/boot/dts/renesas/Makefile
> @@ -62,3 +62,5 @@ dtb-$(CONFIG_ARCH_R8A77990) += r8a77990-ebisu.dtb
> dtb-$(CONFIG_ARCH_R8A77995) += r8a77995-draak.dtb
>
> dtb-$(CONFIG_ARCH_R8A779A0) += r8a779a0-falcon.dtb
> +
> +dtb-$(CONFIG_ARCH_R9A07G044L) += r9a07g044l2-smarc.dtb
> diff --git a/arch/arm64/boot/dts/renesas/g2l-smarc.dtsi b/arch/arm64/boot/dts/renesas/g2l-smarc.dtsi
> new file mode 100644
> index 000000000000..9b95d73fb798
> --- /dev/null
> +++ b/arch/arm64/boot/dts/renesas/g2l-smarc.dtsi

rzg2l-smarc?

The rest looks good to me (taking into account compatible value
discussions).

Gr{oetje,eeting}s,

Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- [email protected]

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

2021-05-21 20:26:34

by Lad, Prabhakar

Subject: Re: [PATCH 16/16] arm64: dts: renesas: Add initial device tree for RZ/G2L SMARC EVK

Hi Geert,

Thank you for the review.

On Fri, May 21, 2021 at 4:41 PM Geert Uytterhoeven <[email protected]> wrote:
>
> Hi Prabhakar,
>
> On Fri, May 14, 2021 at 9:24 PM Lad Prabhakar
> <[email protected]> wrote:
> > Add basic support for RZ/G2L SMARC EVK (based on R9A07G044L2):
> > - memory
> > - External input clock
> > - SCIF
> >
> > Signed-off-by: Lad Prabhakar <[email protected]>
> > Signed-off-by: Biju Das <[email protected]>
>
> Thanks for your patch!
>
> > --- a/arch/arm64/boot/dts/renesas/Makefile
> > +++ b/arch/arm64/boot/dts/renesas/Makefile
> > @@ -62,3 +62,5 @@ dtb-$(CONFIG_ARCH_R8A77990) += r8a77990-ebisu.dtb
> > dtb-$(CONFIG_ARCH_R8A77995) += r8a77995-draak.dtb
> >
> > dtb-$(CONFIG_ARCH_R8A779A0) += r8a779a0-falcon.dtb
> > +
> > +dtb-$(CONFIG_ARCH_R9A07G044L) += r9a07g044l2-smarc.dtb
> > diff --git a/arch/arm64/boot/dts/renesas/g2l-smarc.dtsi b/arch/arm64/boot/dts/renesas/g2l-smarc.dtsi
> > new file mode 100644
> > index 000000000000..9b95d73fb798
> > --- /dev/null
> > +++ b/arch/arm64/boot/dts/renesas/g2l-smarc.dtsi
>
> rzg2l-smarc?
>
Agreed will do.

Cheers,
Prabhakar

> The rest looks good to me (taking into account compatible value
> discussions).
>
> Gr{oetje,eeting}s,
>
> Geert
>
> --
> Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- [email protected]
>
> 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