From: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx>
Enable the minimal blocks required for booting the Renesas RZ/Five
SMARC EVK with initramfs.
Below are the which are enabled:
- CPG
- CPU0
- DDR (memory regions)
- PINCTRL
- PLIC
- SCIF0
As we are reusing the RZ/G2UL SMARC SoM [0] and carrier [1] board DTSIs
which enables almost all the blocks supported by the RZ/G2UL SoC and
whereas on RZ/Five SoC we will be gradually adding the blocks hence the
aliases for ETH and I2C are deleted as support for these blocks is not
yet enabled on RZ/Five SoC.
[0] arch/arm64/boot/dts/renesas/rzg2ul-smarc-som.dtsi
[1] arch/arm64/boot/dts/renesas/rzg2ul-smarc.dtsi
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx>
---
v3 -> v4
* Dropped deleting place holder nodes
* Updated SW1 settings comment
* Update commit message
v2 -> v3
* Dropped RB tags from Conor and Geert
* Now re-using the SoM and carrier board DTS/I from RZ/G2UL
v1 -> v2
* New patch
---
arch/riscv/boot/dts/Makefile | 1 +
arch/riscv/boot/dts/renesas/Makefile | 2 ++
.../boot/dts/renesas/r9a07g043f01-smarc.dts | 27 +++++++++++++++++++
.../boot/dts/renesas/rzfive-smarc-som.dtsi | 19 +++++++++++++
arch/riscv/boot/dts/renesas/rzfive-smarc.dtsi | 15 +++++++++++
5 files changed, 64 insertions(+)
create mode 100644 arch/riscv/boot/dts/renesas/Makefile
create mode 100644 arch/riscv/boot/dts/renesas/r9a07g043f01-smarc.dts
create mode 100644 arch/riscv/boot/dts/renesas/rzfive-smarc-som.dtsi
create mode 100644 arch/riscv/boot/dts/renesas/rzfive-smarc.dtsi
diff --git a/arch/riscv/boot/dts/Makefile b/arch/riscv/boot/dts/Makefile
index ff174996cdfd..b0ff5fbabb0c 100644
--- a/arch/riscv/boot/dts/Makefile
+++ b/arch/riscv/boot/dts/Makefile
@@ -3,5 +3,6 @@ subdir-y += sifive
subdir-y += starfive
subdir-$(CONFIG_SOC_CANAAN_K210_DTB_BUILTIN) += canaan
subdir-y += microchip
+subdir-y += renesas
obj-$(CONFIG_BUILTIN_DTB) := $(addsuffix /, $(subdir-y))
diff --git a/arch/riscv/boot/dts/renesas/Makefile b/arch/riscv/boot/dts/renesas/Makefile
new file mode 100644
index 000000000000..2d3f5751a649
--- /dev/null
+++ b/arch/riscv/boot/dts/renesas/Makefile
@@ -0,0 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0
+dtb-$(CONFIG_ARCH_R9A07G043) += r9a07g043f01-smarc.dtb
diff --git a/arch/riscv/boot/dts/renesas/r9a07g043f01-smarc.dts b/arch/riscv/boot/dts/renesas/r9a07g043f01-smarc.dts
new file mode 100644
index 000000000000..487d0d5e6d2e
--- /dev/null
+++ b/arch/riscv/boot/dts/renesas/r9a07g043f01-smarc.dts
@@ -0,0 +1,27 @@
+// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+/*
+ * Device Tree Source for the RZ/Five SMARC EVK
+ *
+ * Copyright (C) 2022 Renesas Electronics Corp.
+ */
+
+/dts-v1/;
+
+/*
+ * DIP-Switch SW1 setting
+ * 1 : High; 0: Low
+ * SW1-2 : SW_SD0_DEV_SEL (0: uSD; 1: eMMC)
+ * SW1-3 : SW_ET0_EN_N (0: ETHER0; 1: CAN0, CAN1, SSI1, RSPI1)
+ * Please change below macros according to SW1 setting on the SoM
+ */
+#define SW_SW0_DEV_SEL 1
+#define SW_ET0_EN_N 1
+
+#include "r9a07g043.dtsi"
+#include "rzfive-smarc-som.dtsi"
+#include "rzfive-smarc.dtsi"
+
+/ {
+ model = "Renesas SMARC EVK based on r9a07g043f01";
+ compatible = "renesas,smarc-evk", "renesas,r9a07g043f01", "renesas,r9a07g043";
+};
diff --git a/arch/riscv/boot/dts/renesas/rzfive-smarc-som.dtsi b/arch/riscv/boot/dts/renesas/rzfive-smarc-som.dtsi
new file mode 100644
index 000000000000..d8168eb920ab
--- /dev/null
+++ b/arch/riscv/boot/dts/renesas/rzfive-smarc-som.dtsi
@@ -0,0 +1,19 @@
+// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+/*
+ * Device Tree Source for the RZ/Five SMARC EVK SOM
+ *
+ * Copyright (C) 2022 Renesas Electronics Corp.
+ */
+
+#include <arm64/renesas/rzg2ul-smarc-som.dtsi>
+
+/ {
+ aliases {
+ /delete-property/ ethernet0;
+ /delete-property/ ethernet1;
+ };
+
+ chosen {
+ bootargs = "ignore_loglevel";
+ };
+};
diff --git a/arch/riscv/boot/dts/renesas/rzfive-smarc.dtsi b/arch/riscv/boot/dts/renesas/rzfive-smarc.dtsi
new file mode 100644
index 000000000000..6f44a6946897
--- /dev/null
+++ b/arch/riscv/boot/dts/renesas/rzfive-smarc.dtsi
@@ -0,0 +1,15 @@
+// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+/*
+ * Device Tree Source for the RZ/Five SMARC EVK carrier board
+ *
+ * Copyright (C) 2022 Renesas Electronics Corp.
+ */
+
+#include <arm64/renesas/rzg2ul-smarc.dtsi>
+
+/ {
+ aliases {
+ /delete-property/ i2c0;
+ /delete-property/ i2c1;
+ };
+};
--
2.25.1
