From 2b2c5fc1c20f4d40782023c86075ce8fe644858e Mon Sep 17 00:00:00 2001
From: Quang Le <quang.le.eb@bp.renesas.com>
Date: Thu, 20 Feb 2025 19:24:44 +0700
Subject: [PATCH] samples: drivers: spi: Add support for RZ/G3S-SMARC

Enable SPI driver samples for RZ/G3S-SMARC

Signed-off-by: Quang Le <quang.le.eb@bp.renesas.com>
Signed-off-by: Binh Nguyen <binh.nguyen.xw@renesas.com>
---
 .../boards/rzg3s_smarc_r9a08g045s33gbg_cm33.conf    |  3 +++
 .../boards/rzg3s_smarc_r9a08g045s33gbg_cm33.overlay | 13 +++++++++++++
 2 files changed, 16 insertions(+)
 create mode 100644 samples/drivers/spi_bitbang/boards/rzg3s_smarc_r9a08g045s33gbg_cm33.conf
 create mode 100644 samples/drivers/spi_bitbang/boards/rzg3s_smarc_r9a08g045s33gbg_cm33.overlay

diff --git a/samples/drivers/spi_bitbang/boards/rzg3s_smarc_r9a08g045s33gbg_cm33.conf b/samples/drivers/spi_bitbang/boards/rzg3s_smarc_r9a08g045s33gbg_cm33.conf
new file mode 100644
index 00000000000..1dd585f098f
--- /dev/null
+++ b/samples/drivers/spi_bitbang/boards/rzg3s_smarc_r9a08g045s33gbg_cm33.conf
@@ -0,0 +1,3 @@
+CONFIG_GPIO=y
+CONFIG_SPI_RENESAS_RZ_RSPI_DMAC=n
+CONFIG_NO_OPTIMIZATIONS=y
diff --git a/samples/drivers/spi_bitbang/boards/rzg3s_smarc_r9a08g045s33gbg_cm33.overlay b/samples/drivers/spi_bitbang/boards/rzg3s_smarc_r9a08g045s33gbg_cm33.overlay
new file mode 100644
index 00000000000..ee53d40f740
--- /dev/null
+++ b/samples/drivers/spi_bitbang/boards/rzg3s_smarc_r9a08g045s33gbg_cm33.overlay
@@ -0,0 +1,13 @@
+/*
+ * Copyright (c) 2024 Renesas Electronics Corporation
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+spibb0: &spi0 {
+	cs-gpios = <&gpio0 1 GPIO_ACTIVE_LOW>;
+	status = "okay";
+};
+
+&gpio0 {
+	status = "okay";
+};