diff mbox series

[03/11] arm64: dts: renesas: Add Si-Linux CAT874 board support

Message ID 1547663874-29411-4-git-send-email-fabrizio.castro@bp.renesas.com (mailing list archive)
State Not Applicable, archived
Headers show
Series Add basic EK874 support | expand

Commit Message

Fabrizio Castro Jan. 16, 2019, 6:37 p.m. UTC
From: Biju Das <biju.das@bp.renesas.com>

Basic support for the Si-Linux board based on RZ/G2E:
  - Memory,
  - Main crystal,
  - Serial console

Signed-off-by: Biju Das <biju.das@bp.renesas.com>
Signed-off-by: Fabrizio Castro <fabrizio.castro@bp.renesas.com>
Reviewed-by: Chris Paterson <Chris.Paterson2@renesas.com>
---
 arch/arm64/boot/dts/renesas/Makefile            |  1 +
 arch/arm64/boot/dts/renesas/r8a774c0-cat874.dts | 37 +++++++++++++++++++++++++
 2 files changed, 38 insertions(+)
 create mode 100644 arch/arm64/boot/dts/renesas/r8a774c0-cat874.dts

Comments

Geert Uytterhoeven Jan. 17, 2019, 11:04 a.m. UTC | #1
On Wed, Jan 16, 2019 at 7:38 PM Fabrizio Castro
<fabrizio.castro@bp.renesas.com> wrote:
> From: Biju Das <biju.das@bp.renesas.com>
>
> Basic support for the Si-Linux board based on RZ/G2E:
>   - Memory,
>   - Main crystal,
>   - Serial console
>
> Signed-off-by: Biju Das <biju.das@bp.renesas.com>
> Signed-off-by: Fabrizio Castro <fabrizio.castro@bp.renesas.com>
> Reviewed-by: Chris Paterson <Chris.Paterson2@renesas.com>

Pending acceptance of the DT bindings
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>

> --- /dev/null
> +++ b/arch/arm64/boot/dts/renesas/r8a774c0-cat874.dts

> +       chosen {
> +               bootargs = "ignore_loglevel rw root=/dev/nfs ip=dhcp";

FWIW, the root and ip parameters won't do anything, until you add network
support.

> +               stdout-path = "serial0:115200n8";
> +       };

Gr{oetje,eeting}s,

                        Geert
Simon Horman Jan. 22, 2019, 2:52 p.m. UTC | #2
On Thu, Jan 17, 2019 at 12:04:51PM +0100, Geert Uytterhoeven wrote:
> On Wed, Jan 16, 2019 at 7:38 PM Fabrizio Castro
> <fabrizio.castro@bp.renesas.com> wrote:
> > From: Biju Das <biju.das@bp.renesas.com>
> >
> > Basic support for the Si-Linux board based on RZ/G2E:
> >   - Memory,
> >   - Main crystal,
> >   - Serial console
> >
> > Signed-off-by: Biju Das <biju.das@bp.renesas.com>
> > Signed-off-by: Fabrizio Castro <fabrizio.castro@bp.renesas.com>
> > Reviewed-by: Chris Paterson <Chris.Paterson2@renesas.com>
> 
> Pending acceptance of the DT bindings
> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>

I have applied the binding patch locally and intend to include
it in my next push. With that in mind I have also applied this patch
for v5.1.

> 
> > --- /dev/null
> > +++ b/arch/arm64/boot/dts/renesas/r8a774c0-cat874.dts
> 
> > +       chosen {
> > +               bootargs = "ignore_loglevel rw root=/dev/nfs ip=dhcp";
> 
> FWIW, the root and ip parameters won't do anything, until you add network
> support.

True, but I don't think that warrants a respin.

> 
> > +               stdout-path = "serial0:115200n8";
> > +       };
> 
> 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
>
diff mbox series

Patch

diff --git a/arch/arm64/boot/dts/renesas/Makefile b/arch/arm64/boot/dts/renesas/Makefile
index a8ce659..11997d7 100644
--- a/arch/arm64/boot/dts/renesas/Makefile
+++ b/arch/arm64/boot/dts/renesas/Makefile
@@ -1,4 +1,5 @@ 
 # SPDX-License-Identifier: GPL-2.0
+dtb-$(CONFIG_ARCH_R8A774C0) += r8a774c0-cat874.dtb
 dtb-$(CONFIG_ARCH_R8A7795) += r8a7795-salvator-x.dtb r8a7795-h3ulcb.dtb
 dtb-$(CONFIG_ARCH_R8A7795) += r8a7795-h3ulcb-kf.dtb
 dtb-$(CONFIG_ARCH_R8A7795) += r8a7795-salvator-xs.dtb
diff --git a/arch/arm64/boot/dts/renesas/r8a774c0-cat874.dts b/arch/arm64/boot/dts/renesas/r8a774c0-cat874.dts
new file mode 100644
index 0000000..6eababc
--- /dev/null
+++ b/arch/arm64/boot/dts/renesas/r8a774c0-cat874.dts
@@ -0,0 +1,37 @@ 
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Device Tree Source for the Silicon Linux RZ/G2E 96board platform (CAT874)
+ *
+ * Copyright (C) 2019 Renesas Electronics Corp.
+ */
+
+/dts-v1/;
+#include "r8a774c0.dtsi"
+
+/ {
+	model = "Silicon Linux RZ/G2E 96board platform (CAT874)";
+	compatible = "si-linux,cat874", "renesas,r8a774c0";
+
+	aliases {
+		serial0 = &scif2;
+	};
+
+	chosen {
+		bootargs = "ignore_loglevel rw root=/dev/nfs ip=dhcp";
+		stdout-path = "serial0:115200n8";
+	};
+
+	memory@48000000 {
+		device_type = "memory";
+		/* first 128MB is reserved for secure area. */
+		reg = <0x0 0x48000000 0x0 0x78000000>;
+	};
+};
+
+&extal_clk {
+	clock-frequency = <48000000>;
+};
+
+&scif2 {
+	status = "okay";
+};