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

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Date:   Fri, 14 May 2021 20:22:18 +0100
From:   Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
To:     Geert Uytterhoeven <geert+renesas@...der.be>,
        Rob Herring <robh+dt@...nel.org>,
        Magnus Damm <magnus.damm@...il.com>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will@...nel.org>,
        Jiri Slaby <jirislaby@...nel.org>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-renesas-soc@...r.kernel.org, linux-clk@...r.kernel.org,
        linux-serial@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Cc:     Biju Das <biju.das.jz@...renesas.com>,
        Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>,
        Prabhakar <prabhakar.csengg@...il.com>
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 <prabhakar.mahadev-lad.rj@...renesas.com>
Signed-off-by: Biju Das <biju.das.jz@...renesas.com>
---
 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@...00000 {
+		device_type = "memory";
+		/* first 128MB is reserved for secure area. */
+		reg = <0x0 0x48000000 0x0 0x78000000>;
+	};
+};
-- 
2.17.1