From 3d52973db7457362e54b5b62242671eee80b2c14 Mon Sep 17 00:00:00 2001 From: Lad Prabhakar Date: Wed, 22 Mar 2023 12:56:48 +0000 Subject: [PATCH] arm64: dts: renesas: rzg2l-smarc: Enable CRU, CSI support 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 Reviewed-by: Geert Uytterhoeven Link: https://lore.kernel.org/r/20230322125648.24948-3-prabhakar.mahadev-lad.rj@bp.renesas.com Signed-off-by: Geert Uytterhoeven --- 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 d1f10ae85f9f..f130165577a8 100644 --- a/arch/arm64/boot/dts/renesas/Makefile +++ b/arch/arm64/boot/dts/renesas/Makefile @@ -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 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 +#include + +#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..c5bb63c63b47 --- /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>; + }; + }; + }; +}; -- 2.34.1