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arm64: dts: renesas: rzg2l-smarc: Enable CRU, CSI support

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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@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20230322125648.24948-3-prabhakar.mahadev-lad.rj@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
This commit is contained in:
Lad Prabhakar 2023-03-22 12:56:48 +00:00 committed by Geert Uytterhoeven
parent 95c91e7766
commit 3d52973db7
3 changed files with 102 additions and 0 deletions
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1
arch/arm64/boot/dts/renesas/Makefile
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@ -80,6 +80,7 @@ dtb-$(CONFIG_ARCH_R9A07G043) += r9a07g043-smarc-pmod.dtbo
dtb-$(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

21
arch/arm64/boot/dts/renesas/r9a07g044l2-smarc-cru-csi-ov5645.dtso Normal file
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@ -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>;
};

80
arch/arm64/boot/dts/renesas/rz-smarc-cru-csi-ov5645.dtsi Normal file
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@ -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>;
};
};
};
};