linux-kernel - [PATCH 4/4] arm64: dts: renesas: r9a09g047e57-smarc: Enable CRU, CSI support

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Message-ID: <20250514162422.910114-5-tommaso.merciai.xr@bp.renesas.com>
Date: Wed, 14 May 2025 18:24:20 +0200
From: Tommaso Merciai <tommaso.merciai.xr@...renesas.com>
To: tomm.merciai@...il.com
Cc: linux-renesas-soc@...r.kernel.org,
	biju.das.jz@...renesas.com,
	prabhakar.mahadev-lad.rj@...renesas.com,
	Tommaso Merciai <tommaso.merciai.xr@...renesas.com>,
	Geert Uytterhoeven <geert+renesas@...der.be>,
	Magnus Damm <magnus.damm@...il.com>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH 4/4] arm64: dts: renesas: r9a09g047e57-smarc: Enable CRU, CSI support

Enable CRU, I2C0 and CSI on RZ/G3E SMARC EVK and tie the CSI to the
OV5645 sensor using Device Tree overlay. RZ/G3E SMARK EVK is a RZ/G2L
alike EVKs then reuse rz-smarc-cru-csi-ov5645.dtsi.

Signed-off-by: Tommaso Merciai <tommaso.merciai.xr@...renesas.com>
---
 arch/arm64/boot/dts/renesas/Makefile          |  3 +++
 .../r9a09g047e57-smarc-cru-csi-ov5645.dtso    | 21 +++++++++++++++++++
 2 files changed, 24 insertions(+)
 create mode 100644 arch/arm64/boot/dts/renesas/r9a09g047e57-smarc-cru-csi-ov5645.dtso

diff --git a/arch/arm64/boot/dts/renesas/Makefile b/arch/arm64/boot/dts/renesas/Makefile
index b24dddee3827..6aa779bac9f0 100644
--- a/arch/arm64/boot/dts/renesas/Makefile
+++ b/arch/arm64/boot/dts/renesas/Makefile
@@ -155,6 +155,9 @@ dtb-$(CONFIG_ARCH_R9A08G045) += r9a08g045s33-smarc-pmod1-type-3a.dtb
 dtb-$(CONFIG_ARCH_R9A09G011) += r9a09g011-v2mevk2.dtb
 
 dtb-$(CONFIG_ARCH_R9A09G047) += r9a09g047e57-smarc.dtb
+dtb-$(CONFIG_ARCH_R9A09G047) += r9a09g047e57-smarc-cru-csi-ov5645.dtbo
+r9a09g047e57-smarc-cru-csi-ov5645-dtbs := r9a09g047e57-smarc.dtb r9a09g047e57-smarc-cru-csi-ov5645.dtbo
+dtb-$(CONFIG_ARCH_R9A09G047) += r9a09g047e57-smarc-cru-csi-ov5645.dtb
 
 dtb-$(CONFIG_ARCH_R9A09G056) += r9a09g056n48-rzv2n-evk.dtb
 
diff --git a/arch/arm64/boot/dts/renesas/r9a09g047e57-smarc-cru-csi-ov5645.dtso b/arch/arm64/boot/dts/renesas/r9a09g047e57-smarc-cru-csi-ov5645.dtso
new file mode 100644
index 000000000000..0f18f68f8120
--- /dev/null
+++ b/arch/arm64/boot/dts/renesas/r9a09g047e57-smarc-cru-csi-ov5645.dtso
@@ -0,0 +1,21 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Device Tree overlay for the RZ/G3E SMARC EVK with OV5645 camera
+ * connected to CSI and CRU enabled.
+ *
+ * Copyright (C) 2025 Renesas Electronics Corp.
+ */
+
+/dts-v1/;
+/plugin/;
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/pinctrl/renesas,r9a09g047-pinctrl.h>
+
+#define OV5645_PARENT_I2C i2c0
+#include "rz-smarc-cru-csi-ov5645.dtsi"
+
+&ov5645 {
+	enable-gpios = <&pinctrl RZG3E_GPIO(D, 6) GPIO_ACTIVE_HIGH>;
+	reset-gpios = <&pinctrl RZG3E_GPIO(D, 7) GPIO_ACTIVE_LOW>;
+};
-- 
2.43.0