From: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx>
Enable CRU, CSI on RZ/G2L SMARC EVK and tie the CSI to OV5645 sensor
using Device Tree overlay. rz-smarc-cru-csi-ov5645.dtsi is created so
that RZ/G2L alike EVKs can make use of it.
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx>
---
setenv bootfile kernel_fdt.itb
tftpboot ${bootfile}
bootm ${fileaddr}#rzg2l-smarc#ov5645
v2->v3
* Moved the gpio.h and rzg2l-pinctrl.h headers to
r9a07g044l2-smarc-cru-csi-ov5645.dtso
v1->v2
* New patch
---
arch/arm64/boot/dts/renesas/Makefile | 1 +
.../r9a07g044l2-smarc-cru-csi-ov5645.dtso | 21 +++++
.../dts/renesas/rz-smarc-cru-csi-ov5645.dtsi | 80 +++++++++++++++++++
3 files changed, 102 insertions(+)
create mode 100644 arch/arm64/boot/dts/renesas/r9a07g044l2-smarc-cru-csi-ov5645.dtso
create mode 100644 arch/arm64/boot/dts/renesas/rz-smarc-cru-csi-ov5645.dtsi
diff --git a/arch/arm64/boot/dts/renesas/Makefile b/arch/arm64/boot/dts/renesas/Makefile
index 23b10c03091c..a553d99175cb 100644
--- a/arch/arm64/boot/dts/renesas/Makefile
+++ b/arch/arm64/boot/dts/renesas/Makefile
@@ -79,6 +79,7 @@ dtb-$(CONFIG_ARCH_R9A07G043) += r9a07g043u11-smarc.dtb
dtb-$(CONFIG_ARCH_R9A07G044) += r9a07g044c2-smarc.dtb
dtb-$(CONFIG_ARCH_R9A07G044) += r9a07g044l2-smarc.dtb
+dtb-$(CONFIG_ARCH_R9A07G044) += r9a07g044l2-smarc-cru-csi-ov5645.dtbo
dtb-$(CONFIG_ARCH_R9A07G054) += r9a07g054l2-smarc.dtb
diff --git a/arch/arm64/boot/dts/renesas/r9a07g044l2-smarc-cru-csi-ov5645.dtso b/arch/arm64/boot/dts/renesas/r9a07g044l2-smarc-cru-csi-ov5645.dtso
new file mode 100644
index 000000000000..d834bff9bda2
--- /dev/null
+++ b/arch/arm64/boot/dts/renesas/r9a07g044l2-smarc-cru-csi-ov5645.dtso
@@ -0,0 +1,21 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Device Tree overlay for the RZ/G2L SMARC EVK with OV5645 camera
+ * connected to CSI and CRU enabled.
+ *
+ * Copyright (C) 2023 Renesas Electronics Corp.
+ */
+
+/dts-v1/;
+/plugin/;
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/pinctrl/rzg2l-pinctrl.h>
+
+#define OV5645_PARENT_I2C i2c0
+#include "rz-smarc-cru-csi-ov5645.dtsi"
+
+&ov5645 {
+ enable-gpios = <&pinctrl RZG2L_GPIO(2, 0) GPIO_ACTIVE_HIGH>;
+ reset-gpios = <&pinctrl RZG2L_GPIO(40, 2) GPIO_ACTIVE_LOW>;
+};
diff --git a/arch/arm64/boot/dts/renesas/rz-smarc-cru-csi-ov5645.dtsi b/arch/arm64/boot/dts/renesas/rz-smarc-cru-csi-ov5645.dtsi
new file mode 100644
index 000000000000..6efa8958bc36
--- /dev/null
+++ b/arch/arm64/boot/dts/renesas/rz-smarc-cru-csi-ov5645.dtsi
@@ -0,0 +1,80 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Common Device Tree for the RZ/G2L SMARC EVK (and alike EVKs) with
+ * OV5645 camera connected to CSI and CRU enabled.
+ *
+ * Copyright (C) 2023 Renesas Electronics Corp.
+ */
+
+&{/} {
+ ov5645_vdddo_1v8: 1p8v {
+ compatible = "regulator-fixed";
+ regulator-name = "camera_vdddo";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ regulator-always-on;
+ };
+
+ ov5645_vdda_2v8: 2p8v {
+ compatible = "regulator-fixed";
+ regulator-name = "camera_vdda";
+ regulator-min-microvolt = <2800000>;
+ regulator-max-microvolt = <2800000>;
+ regulator-always-on;
+ };
+
+ ov5645_vddd_1v5: 1p5v {
+ compatible = "regulator-fixed";
+ regulator-name = "camera_vddd";
+ regulator-min-microvolt = <1500000>;
+ regulator-max-microvolt = <1500000>;
+ regulator-always-on;
+ };
+
+ ov5645_fixed_clk: osc25250_clk {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <24000000>;
+ };
+};
+
+&cru {
+ status = "okay";
+};
+
+&csi2 {
+ status = "okay";
+
+ ports {
+ port@0 {
+ csi2_in: endpoint {
+ clock-lanes = <0>;
+ data-lanes = <1 2>;
+ remote-endpoint = <&ov5645_ep>;
+ };
+ };
+ };
+};
+
+&OV5645_PARENT_I2C {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ ov5645: camera@3c {
+ compatible = "ovti,ov5645";
+ reg = <0x3c>;
+ clocks = <&ov5645_fixed_clk>;
+ clock-frequency = <24000000>;
+ vdddo-supply = <&ov5645_vdddo_1v8>;
+ vdda-supply = <&ov5645_vdda_2v8>;
+ vddd-supply = <&ov5645_vddd_1v5>;
+
+ port {
+ ov5645_ep: endpoint {
+ clock-lanes = <0>;
+ data-lanes = <1 2>;
+ remote-endpoint = <&csi2_in>;
+ };
+ };
+ };
+};
--
2.25.1
