From 25adecf09467c6a2823bcdfaf3fb0b59b2389669 Mon Sep 17 00:00:00 2001
From: Magnus Damm <damm@opensource.se>
Date: Wed, 2 Jul 2025 19:13:54 +0200
Subject: ARM: renesas: Add support for the r7s72100 Genmai board

Add r7s72100 Genmai board support. Serial console, NOR Flash and
Ethernet are known to work however on-board SDRAM is not yet enabled.

Signed-off-by: Magnus Damm <damm@opensource.se>
---
 arch/arm/dts/Makefile                    |  1 +
 arch/arm/dts/r7s72100-genmai-u-boot.dtsi | 32 ++++++++++++++++++++++++++++++++
 arch/arm/mach-renesas/Kconfig.rza1       |  4 ++++
 3 files changed, 37 insertions(+)
 create mode 100644 arch/arm/dts/r7s72100-genmai-u-boot.dtsi

(limited to 'arch')

diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index 10404ce076e..17795f8f746 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -924,6 +924,7 @@ dtb-$(CONFIG_ARCH_IMXRT) += imxrt1020-evk.dtb \
 	imxrt1170-evk.dtb \
 
 dtb-$(CONFIG_RZA1) += \
+	r7s72100-genmai.dtb \
 	r7s72100-gr-peach.dtb
 
 dtb-$(CONFIG_TARGET_AT91SAM9261EK) += at91sam9261ek.dtb
diff --git a/arch/arm/dts/r7s72100-genmai-u-boot.dtsi b/arch/arm/dts/r7s72100-genmai-u-boot.dtsi
new file mode 100644
index 00000000000..782ebfea2fb
--- /dev/null
+++ b/arch/arm/dts/r7s72100-genmai-u-boot.dtsi
@@ -0,0 +1,32 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Device Tree Source extras for U-Boot for the Genmai board
+ * Based on GR Peach, Copyright (C) 2019 Marek Vasut <marek.vasut@gmail.com>
+ */
+
+/ {
+	soc {
+		bootph-all;
+	};
+};
+
+&bsc {
+	bootph-all;
+};
+
+&ostm0 {
+	bootph-all;
+};
+
+&pinctrl {
+	bootph-all;
+};
+
+&scif2 {
+	bootph-all;
+	clock = <66666666>;	/* ToDo: Replace by DM clock driver */
+};
+
+&scif2_pins {
+	bootph-all;
+};
diff --git a/arch/arm/mach-renesas/Kconfig.rza1 b/arch/arm/mach-renesas/Kconfig.rza1
index e88f9a2eedb..c9e2b835204 100644
--- a/arch/arm/mach-renesas/Kconfig.rza1
+++ b/arch/arm/mach-renesas/Kconfig.rza1
@@ -14,12 +14,16 @@ choice
 	prompt "Renesas RZ/A1 board select"
 
 # Renesas Supported Boards
+config TARGET_GENMAI
+	bool "GENMAI board"
+
 config TARGET_GRPEACH
 	bool "GR-PEACH board"
 
 endchoice
 
 # Renesas Supported Boards
+source "board/renesas/genmai/Kconfig"
 source "board/renesas/grpeach/Kconfig"
 
 endif
-- 
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