From mboxrd@z Thu Jan 1 00:00:00 1970 From: Maxime Chevallier Subject: [PATCH v2 1/3] media: dt-bindings: media: Document Rockchip CIF bindings Date: Fri, 29 May 2020 15:04:03 +0200 Message-ID: <20200529130405.929429-2-maxime.chevallier@bootlin.com> References: <20200529130405.929429-1-maxime.chevallier@bootlin.com> Mime-Version: 1.0 Content-Transfer-Encoding: 8bit Return-path: In-Reply-To: <20200529130405.929429-1-maxime.chevallier@bootlin.com> Sender: linux-media-owner@vger.kernel.org To: Mauro Carvalho Chehab , Robin Murphy , Rob Herring , Mark Rutland , Heiko Stuebner , Hans Verkuil Cc: Maxime Chevallier , linux-media@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org, Thomas Petazzoni , Miquel Raynal , Paul Kocialkowski List-Id: linux-rockchip.vger.kernel.org Add a documentation for the Rockchip Camera Interface controller binding. This controller can be found on platforms such as the PX30 or the RK3288, the PX30 being the only platform supported so far. Signed-off-by: Maxime Chevallier --- Changes since V1 - Updated the clock and reset names - Added missing includes in the example, so that the make dt_binding_check passes .../bindings/media/rockchip-cif.yaml | 100 ++++++++++++++++++ 1 file changed, 100 insertions(+) create mode 100644 Documentation/devicetree/bindings/media/rockchip-cif.yaml diff --git a/Documentation/devicetree/bindings/media/rockchip-cif.yaml b/Documentation/devicetree/bindings/media/rockchip-cif.yaml new file mode 100644 index 000000000000..f11a30ca9d42 --- /dev/null +++ b/Documentation/devicetree/bindings/media/rockchip-cif.yaml @@ -0,0 +1,100 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/media/rockchip-cif.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Rockchip Camera Interface (CIF) + +maintainers: + - Maxime Chevallier + +description: |- + Camera Interface for Rockcip platforms + +properties: + compatible: + const: rockchip,px30-cif + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + items: + - description: ACLK + - description: HCLK + - description: PCLK IN + + clock-names: + items: + - const: aclk + - const: hclkf + - const: pclkin + + resets: + items: + - description: AXI + - description: AHB + - description: PCLK IN + + reset-names: + items: + - const: axi + - const: ahb + - const: pclkin + + power-domains: + maxItems: 1 + description: phandle to the associated power domain + + # See ./video-interfaces.txt for details + port: + type: object + additionalProperties: false + + properties: + endpoint: + type: object + + properties: + remote-endpoint: true + + required: + - remote-endpoint + + required: + - endpoint + +required: + - compatible + - reg + - interrupts + - clocks + +additionalProperties: false + +examples: + - | + #include + #include + #include + + cif: cif@ff490000 { + compatible = "rockchip,px30-cif"; + reg = <0x0 0xff490000 0x0 0x200>; + interrupts = ; + clocks = <&cru ACLK_CIF>, <&cru HCLK_CIF>, <&cru PCLK_CIF>, <&cru SCLK_CIF_OUT>; + clock-names = "aclk_cif", "hclk_cif", "pclk_cif", "cif_out"; + resets = <&cru SRST_CIF_A>, <&cru SRST_CIF_H>, <&cru SRST_CIF_PCLKIN>; + reset-names = "rst_cif_a", "rst_cif_h", "rst_cif_pclkin"; + power-domains = <&power PX30_PD_VI>; + port { + cif_in: endpoint { + remote-endpoint = <&tw9900_out>; + }; + }; + }; +... -- 2.25.4