From patchwork Wed Nov 22 14:14:25 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Paul Kocialkowski X-Patchwork-Id: 746158 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=bootlin.com header.i=@bootlin.com header.b="ZwSqH+8l" Received: from relay4-d.mail.gandi.net (relay4-d.mail.gandi.net [217.70.183.196]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1D28F18E; Wed, 22 Nov 2023 06:14:54 -0800 (PST) Received: by mail.gandi.net (Postfix) with ESMTPSA id 0924DE0005; Wed, 22 Nov 2023 14:14:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1700662493; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=RMUiNYYrSJTJpIrbqVmKd1nt/unZDdKv9MD9/KuRjYU=; b=ZwSqH+8lCJrY2dcdvuLfcyUKWscKeAFuIdhGlMmMEJhRsMlUdaxjRRhbQ34NPkIQ/qOE19 iXLRl9FZIKxlPwHGd/Ru7l9BfhiKQT0hwj5QrjHPBjOoUeENgW9/PpftveMyDsl7zVDOV6 B/raDGP1i8+aaBcNSYagiXiDRpvHkNvuaoWf+x5DZ4uIS+bNYORAh4nyO3sHuxLCDI6B11 QebxJvcY69UBGKLF1zARAUH9PT7S+hzFI7WVTWD8s3sLq84eZ228OyFTe9I+LBt7OYNknO s65gs4Lrh1xWQpS7OJgWXbEdKUJZ+RbM7aSbj/begvkf6/XOPg+sGv5TMmK2Ng== From: Paul Kocialkowski To: devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev, linux-kernel@vger.kernel.org, linux-clk@vger.kernel.org Cc: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Chen-Yu Tsai , Jernej Skrabec , Samuel Holland , Maxime Ripard , Laurent Pinchart , Michael Turquette , Stephen Boyd , Paul Kocialkowski Subject: [PATCH v7 7/7] ARM: dts: sun8i-a83t: Add BananaPi M3 OV8865 camera overlay Date: Wed, 22 Nov 2023 15:14:25 +0100 Message-ID: <20231122141426.329694-8-paul.kocialkowski@bootlin.com> X-Mailer: git-send-email 2.42.1 In-Reply-To: <20231122141426.329694-1-paul.kocialkowski@bootlin.com> References: <20231122141426.329694-1-paul.kocialkowski@bootlin.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-GND-Sasl: paul.kocialkowski@bootlin.com Add an overlay supporting the OV8865 from the BananaPi Camera v3 peripheral board. The board has two sensors (OV5640 and OV8865) which cannot be supported in parallel as they share the same reset pin and the kernel currently has no support for this case. Signed-off-by: Paul Kocialkowski --- arch/arm/boot/dts/allwinner/Makefile | 1 + .../sun8i-a83t-bananapi-m3-camera-ov8865.dtso | 109 ++++++++++++++++++ 2 files changed, 110 insertions(+) create mode 100644 arch/arm/boot/dts/allwinner/sun8i-a83t-bananapi-m3-camera-ov8865.dtso diff --git a/arch/arm/boot/dts/allwinner/Makefile b/arch/arm/boot/dts/allwinner/Makefile index a0a9aa6595e4..980ac88634e3 100644 --- a/arch/arm/boot/dts/allwinner/Makefile +++ b/arch/arm/boot/dts/allwinner/Makefile @@ -278,6 +278,7 @@ dtb-$(CONFIG_MACH_SUN8I) += \ sun8i-a83t-allwinner-h8homlet-v2.dtb \ sun8i-a83t-bananapi-m3.dtb \ sun8i-a83t-bananapi-m3-camera-ov5640.dtbo \ + sun8i-a83t-bananapi-m3-camera-ov8865.dtbo \ sun8i-a83t-cubietruck-plus.dtb \ sun8i-a83t-tbs-a711.dtb \ sun8i-h2-plus-bananapi-m2-zero.dtb \ diff --git a/arch/arm/boot/dts/allwinner/sun8i-a83t-bananapi-m3-camera-ov8865.dtso b/arch/arm/boot/dts/allwinner/sun8i-a83t-bananapi-m3-camera-ov8865.dtso new file mode 100644 index 000000000000..0656ee8d4bfe --- /dev/null +++ b/arch/arm/boot/dts/allwinner/sun8i-a83t-bananapi-m3-camera-ov8865.dtso @@ -0,0 +1,109 @@ +// SPDX-License-Identifier: GPL-2.0 OR X11 +/* + * Copyright 2022 Bootlin + * Author: Kévin L'hôpital + * Author: Paul Kocialkowski + */ + +/dts-v1/; +/plugin/; + +#include +#include + +&{/} { + /* + * These regulators actually have DLDO4 tied to their EN pin, which is + * described as input supply here for lack of a better representation. + * Their actual supply is PS, which is always-on. + */ + + ov8865_avdd: ov8865-avdd { + compatible = "regulator-fixed"; + regulator-name = "ov8865-avdd"; + regulator-min-microvolt = <2800000>; + regulator-max-microvolt = <2800000>; + vin-supply = <®_dldo4>; + }; + + ov8865_dovdd: ov8865-dovdd { + compatible = "regulator-fixed"; + regulator-name = "ov8865-dovdd"; + regulator-min-microvolt = <2800000>; + regulator-max-microvolt = <2800000>; + vin-supply = <®_dldo4>; + }; + + ov8865_dvdd: ov8865-dvdd { + compatible = "regulator-fixed"; + regulator-name = "ov8865-dvdd"; + regulator-min-microvolt = <1200000>; + regulator-max-microvolt = <1200000>; + vin-supply = <®_dldo4>; + }; +}; + +&ccu { + assigned-clocks = <&ccu CLK_CSI_MCLK>; + assigned-clock-parents = <&osc24M>; + assigned-clock-rates = <24000000>; +}; + +&csi { + status = "okay"; +}; + +&i2c2 { + pinctrl-names = "default"; + pinctrl-0 = <&i2c2_pe_pins>; + status = "okay"; + + #address-cells = <1>; + #size-cells = <0>; + + ov8865: camera@36 { + compatible = "ovti,ov8865"; + reg = <0x36>; + + clocks = <&ccu CLK_CSI_MCLK>; + assigned-clocks = <&ccu CLK_CSI_MCLK>; + assigned-clock-parents = <&osc24M>; + assigned-clock-rates = <24000000>; + + avdd-supply = <&ov8865_avdd>; + dovdd-supply = <&ov8865_dovdd>; + dvdd-supply = <&ov8865_dvdd>; + + powerdown-gpios = <&pio 4 17 GPIO_ACTIVE_LOW>; /* PE17 */ + reset-gpios = <&pio 4 16 GPIO_ACTIVE_LOW>; /* PE16 */ + + port { + ov8865_out_mipi_csi2: endpoint { + remote-endpoint = <&mipi_csi2_in_ov8865>; + link-frequencies = /bits/ 64 <360000000>; + data-lanes = <1 2 3 4>; + }; + }; + }; +}; + +&mipi_csi2 { + status = "okay"; +}; + +&mipi_csi2_in { + mipi_csi2_in_ov8865: endpoint { + remote-endpoint = <&ov8865_out_mipi_csi2>; + data-lanes = <1 2 3 4>; + }; +}; + +&pio { + pinctrl-names = "default"; + pinctrl-0 = <&csi_mclk_pin>; +}; + +®_dldo4 { + regulator-min-microvolt = <2800000>; + regulator-max-microvolt = <2800000>; +};