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Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92 #3 (Red Hat Linux)) id 1hsXAN-00070j-0f; Tue, 30 Jul 2019 18:48:07 +0000 Received: from bhuna.collabora.co.uk ([2a00:1098:0:82:1000:25:2eeb:e3e3]) by bombadil.infradead.org with esmtps (Exim 4.92 #3 (Red Hat Linux)) id 1hsX7u-0004pZ-5t; Tue, 30 Jul 2019 18:45:36 +0000 Received: from floko.floko.floko (unknown [IPv6:2804:431:c7f1:ce2f:ec1:e6e6:2e9f:e76e]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: koike) by bhuna.collabora.co.uk (Postfix) with ESMTPSA id 3C14A28B91D; Tue, 30 Jul 2019 19:45:28 +0100 (BST) From: Helen Koike To: linux-rockchip@lists.infradead.org Subject: [PATCH v8 10/14] dt-bindings: Document the Rockchip ISP1 bindings Date: Tue, 30 Jul 2019 15:42:52 -0300 Message-Id: <20190730184256.30338-11-helen.koike@collabora.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190730184256.30338-1-helen.koike@collabora.com> References: <20190730184256.30338-1-helen.koike@collabora.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190730_114534_790121_20463C52 X-CRM114-Status: GOOD ( 12.50 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, eddie.cai.linux@gmail.com, kernel@collabora.com, heiko@sntech.de, Rob Herring , jacob2.chen@rock-chips.com, jeffy.chen@rock-chips.com, zyc@rock-chips.com, linux-kernel@vger.kernel.org, tfiga@chromium.org, Helen Koike , hans.verkuil@cisco.com, laurent.pinchart@ideasonboard.com, sakari.ailus@linux.intel.com, zhengsq@rock-chips.com, mchehab@kernel.org, ezequiel@collabora.com, linux-arm-kernel@lists.infradead.org, linux-media@vger.kernel.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Jacob Chen Add DT bindings documentation for Rockchip ISP1 Signed-off-by: Jacob Chen Reviewed-by: Rob Herring [update for upstream] Signed-off-by: Helen Koike --- Changes in v8: None Changes in v7: - update document with new design and tested example .../bindings/media/rockchip-isp1.txt | 71 +++++++++++++++++++ 1 file changed, 71 insertions(+) create mode 100644 Documentation/devicetree/bindings/media/rockchip-isp1.txt diff --git a/Documentation/devicetree/bindings/media/rockchip-isp1.txt b/Documentation/devicetree/bindings/media/rockchip-isp1.txt new file mode 100644 index 000000000000..a97fef0f189f --- /dev/null +++ b/Documentation/devicetree/bindings/media/rockchip-isp1.txt @@ -0,0 +1,71 @@ +Rockchip SoC Image Signal Processing unit v1 +---------------------------------------------- + +Rockchip ISP1 is the Camera interface for the Rockchip series of SoCs +which contains image processing, scaling, and compression funcitons. + +Required properties: +- compatible: value should be one of the following + "rockchip,rk3288-cif-isp"; + "rockchip,rk3399-cif-isp"; +- reg : offset and length of the register set for the device. +- interrupts: should contain ISP interrupt. +- clocks: phandle to the required clocks. +- clock-names: required clock name. +- iommus: required a iommu node. +- phys: the phandle for the PHY port +- phy-names: must contain "dphy" + +port node +------------------- + +The device node should contain one 'ports' child node, with children 'port' +with child 'endpoint'. +nodes, according to the bindings defined in Documentation/devicetree/bindings/ +media/video-interfaces.txt. + +- endpoint(mipi): + - remote-endpoint: Connecting to Rockchip MIPI-DPHY, + which is defined in rockchip-mipi-dphy.txt. + +The port node must contain at least one endpoint, either parallel or mipi. +It could have multiple endpoints, but please note the hardware don't support +two sensors work at a time, they are supposed to work asynchronously. + +Device node example +------------------- + + isp0: isp0@ff910000 { + compatible = "rockchip,rk3399-cif-isp"; + reg = <0x0 0xff910000 0x0 0x4000>; + interrupts = ; + clocks = <&cru SCLK_ISP0>, + <&cru ACLK_ISP0>, <&cru ACLK_ISP0_WRAPPER>, + <&cru HCLK_ISP0>, <&cru HCLK_ISP0_WRAPPER>; + clock-names = "clk_isp", + "aclk_isp", "aclk_isp_wrap", + "hclk_isp", "hclk_isp_wrap"; + power-domains = <&power RK3399_PD_ISP0>; + iommus = <&isp0_mmu>; + phys = <&dphy>; + phy-names = "dphy"; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + mipi_in_wcam: endpoint@0 { + reg = <0>; + remote-endpoint = <&wcam_out>; + data-lanes = <1 2>; + }; + + mipi_in_ucam: endpoint@1 { + reg = <1>; + remote-endpoint = <&ucam_out>; + data-lanes = <1>; + }; + }; + }; + }; -- 2.22.0 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel