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[2a01:cb00:8bd:2700:95bc:7625:808e:ade0]) by smtp.gmail.com with ESMTPSA id r7sm19031803wre.25.2021.03.08.04.05.59 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 08 Mar 2021 04:05:59 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=cM2++3M/eSEEuJa4YLSTVFheZ1nQSnnZ10I2ItxhVuk=; b=PUE4zEyZW80Drx5CxrktnlR2mjH9p2cgwpHRmcZjxtSY1LyJvOs9MM5exCJ6oVkjyS 5aXj/C1t5/m16Zp0kJjChV2FfZj7P3yJSUYB/EICdRiwhQUInKzcLUFnaa1m9b9sGLkb KlEJxOuEOgMZUHJ5ksvSlDd5/TFv38RK+uKBiDSD2U60d6bAXIJNMiHaVmFsjHA+DGD4 YD13n8M2XtC4ls7m8ffT8zFUYaCUYe/odBUoLG5PiI7gapbpmQAy8YtXPWL8fNFyVGqx LW1kCvXqUkX/6OplZwA7jb6m+C+4LY7JkJkPSR+Fa3A/sSPDtaYCyniT/eouDhAbR2fp 96OQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=cM2++3M/eSEEuJa4YLSTVFheZ1nQSnnZ10I2ItxhVuk=; b=a+pRdlsrUYyc0HYHO1n0gAMKEAIl1R8v2Oj3wOTXSfointnXM/7gAerMuR73xTIhCj 3OeiIHk8LODoHfXglrLJneoFo8gaVzdCeftFISo/tKbVYzbTuVgE99vzxm4O6bBKQ9yu 53wbJNDWf28l+yNUi/L/pVj44Wm1hE8o9qFU6uABbOcjNPT5UtjBY3RExWX7DT40b2Vc Igra0SeFQIqmYO56vhns0L2+veDbsqkTPTDYsJXUsJpq8MUaLHygSPQ786lAcCx9OjyB SVGsDxu3tArHqeSz3XDZ/prtNKrd1TAr8/EUwP2gr7QPIOlSWy+HZkPNUBW1/brlMhXj ZYZw== X-Gm-Message-State: AOAM530PUi4Rfwx1CVBuMn9xAp1UuM1doC8SZrdkGVyre4hzMCiYcmbx dbFJO3qSaQ3WsnyfAVvnNwU= X-Google-Smtp-Source: ABdhPJwXjMy3Srs/pdETswKGAsjrXKUht4cVZ2laZ3oyV24mkSCSGdxt6ZwMr3ZCZzLN51aB5Ijf8w== X-Received: by 2002:a05:600c:350e:: with SMTP id h14mr6334144wmq.4.1615205159581; Mon, 08 Mar 2021 04:05:59 -0800 (PST) From: Adrien Grassein Cc: robert.foss@linaro.org, airlied@linux.ie, daniel@ffwll.ch, a.hajda@samsung.com, robh+dt@kernel.org, narmstrong@baylibre.com, Laurent.pinchart@ideasonboard.com, jonas@kwiboo.se, jernej.skrabec@siol.net, dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Adrien Grassein , Rob Herring Subject: [PATCH v7 1/2] dt-bindings: display: bridge: Add documentation for LT8912B Date: Mon, 8 Mar 2021 13:05:54 +0100 Message-Id: <20210308120555.252524-2-adrien.grassein@gmail.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210308120555.252524-1-adrien.grassein@gmail.com> References: <20210308120555.252524-1-adrien.grassein@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable To: unlisted-recipients:; (no To-header on input) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Type: text/plain; charset="utf-8" Lontium LT8912B is a DSI to HDMI bridge. Signed-off-by: Adrien Grassein Reviewed-by: Rob Herring --- .../display/bridge/lontium,lt8912b.yaml | 102 ++++++++++++++++++ MAINTAINERS | 5 + 2 files changed, 107 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/bridge/lontiu= m,lt8912b.yaml diff --git a/Documentation/devicetree/bindings/display/bridge/lontium,lt891= 2b.yaml b/Documentation/devicetree/bindings/display/bridge/lontium,lt8912b.= yaml new file mode 100644 index 000000000000..735d0233a7d6 --- /dev/null +++ b/Documentation/devicetree/bindings/display/bridge/lontium,lt8912b.yaml @@ -0,0 +1,102 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/bridge/lontium,lt8912b.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Lontium LT8912B MIPI to HDMI Bridge + +maintainers: + - Adrien Grassein + +description: | + The LT8912B is a bridge device which convert DSI to HDMI + +properties: + compatible: + enum: + - lontium,lt8912b + + reg: + maxItems: 1 + + reset-gpios: + maxItems: 1 + description: GPIO connected to active high RESET pin. + + ports: + $ref: /schemas/graph.yaml#/properties/ports + + properties: + port@0: + $ref: /schemas/graph.yaml#/properties/port + description: + Primary MIPI port for MIPI input + + properties: + endpoint: + $ref: /schemas/media/video-interfaces.yaml# + unevaluatedProperties: false + + properties: + data-lanes: true + + required: + - data-lanes + + port@1: + $ref: /schemas/graph.yaml#/properties/port + description: | + HDMI port, should be connected to a node compatible with the + hdmi-connector binding. + + required: + - port@0 + - port@1 + +required: + - compatible + - reg + - reset-gpios + - ports + +additionalProperties: false + +examples: + - | + #include + + i2c4 { + #address-cells =3D <1>; + #size-cells =3D <0>; + + hdmi-bridge@48 { + compatible =3D "lontium,lt8912b"; + reg =3D <0x48>; + reset-gpios =3D <&max7323 0 GPIO_ACTIVE_LOW>; + + ports { + #address-cells =3D <1>; + #size-cells =3D <0>; + + port@0 { + reg =3D <0>; + + hdmi_out_in: endpoint { + data-lanes =3D <0 1 2 3>; + remote-endpoint =3D <&mipi_dsi_out>; + }; + }; + + port@1 { + reg =3D <1>; + + endpoint { + remote-endpoint =3D <&hdmi_in>; + }; + }; + }; + }; + }; + +... diff --git a/MAINTAINERS b/MAINTAINERS index 9095d182deaf..719f633c8a28 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -10462,6 +10462,11 @@ S: Maintained T: git git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid.git F: drivers/hid/hid-lg-g15.c =20 +LONTIUM LT8912B MIPI TO HDMI BRIDGE +M: Adrien Grassein +S: Maintained +F: Documentation/devicetree/bindings/display/bridge/lontium,lt8912b.yaml + LSILOGIC MPT FUSION DRIVERS (FC/SAS/SPI) M: Sathya Prakash M: Sreekanth Reddy --=20 2.25.1