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[2a01:cb00:8bd:2700:e58e:9e64:9f90:20b2]) by smtp.gmail.com with ESMTPSA id m18sm244608wrx.17.2021.01.24.07.08.45 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 24 Jan 2021 07:08:45 -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=Ag6006OGpj/LnO01jq+OCQKPnWe8b0yCa7D0tLaFvmM=; b=TOCbp+BDx6RM11NVVijlGdB35BiNyQxSxKuDKWkhO4WEpH3e+pxel1Z0G43APR36c5 FXI5cWN/NA2C6IVh7v2ZvfVhmZ61uRMyH/GfACuVvHYezD7CyyDQ+AygdmyFCY97VKHj C6obY5CUJ+TcZzpJq1LqpBFr+CdWSj9KdVZ7id2Jp7tiTghHREuuAARBrjIl2S2nJoWn GI0OVLsAl2+9mIQoBy2VmJawA/EDIZ3+mZzbYWvVMQAvGKkxglRhJyC85WFtkmI7zqdm qu/rx45j3AHNxRBb16aZsTLfQIaET4uwba7iqFTsrT5OUVT+pk2MGkWg6Lx1Z+M/xyos 7p1g== 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=Ag6006OGpj/LnO01jq+OCQKPnWe8b0yCa7D0tLaFvmM=; b=CLyxZ/BJAODeWmhDefl3ziGQC6jcKLsCu9+0uKZF6wP3JxH/ffVvemkzm2fe3mVpRS jVH2WzVwFW17/sa52A+Oie0oF8gcphC2ADi3ieMJCBAtj4OYip2NPoDgZBTdkY+PgBkE Oj0sLnu7k+D7wdDoS0xhLiMBP4o4K3C86thUT6WAjew4YC4RoHqc4iX521SvsiJhU9Fy PKYxY/b059TJNHizRysT06BGGQKj1P3XdYe7uEUQD6v5QckVUh7xvjcjlvLzdoe67MuE RKzwWEkiyGpXIIq4pF9IDuQpLJNt0Sd3p4tkNguGjyInsrh5uX9Embvjii0Aiq8VNrgj xDEQ== X-Gm-Message-State: AOAM530cJkOtfD7CT9u7TSGRY8Ow666i5raEezmrLaKFWi9Yi9xbPzWf 5uxRAHAFT/HaY16qWbXm+es= X-Google-Smtp-Source: ABdhPJzfpNHEnuZxE5BgO0IyKRgf4NPq8SLJLxIo76XFtcaIsh3V8uoLikb9aNFH7f9QrXt1pMxxzQ== X-Received: by 2002:a1c:8095:: with SMTP id b143mr478249wmd.71.1611500926117; Sun, 24 Jan 2021 07:08:46 -0800 (PST) From: Adrien Grassein Cc: airlied@linux.ie, daniel@ffwll.ch, robh+dt@kernel.org, a.hajda@samsung.com, 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 Subject: [PATCH 1/2] dt-bindings: display: bridge: Add documentation for LT8912 Date: Sun, 24 Jan 2021 16:08:33 +0100 Message-Id: <20210124150835.1522899-2-adrien.grassein@gmail.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210124150835.1522899-1-adrien.grassein@gmail.com> References: <20210124150835.1522899-1-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 LT8912 is a DSI to HDMI bridge. Signed-off-by: Adrien Grassein --- .../display/bridge/lontium,lt8912.yaml | 92 +++++++++++++++++++ MAINTAINERS | 5 + 2 files changed, 97 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/bridge/lontiu= m,lt8912.yaml diff --git a/Documentation/devicetree/bindings/display/bridge/lontium,lt891= 2.yaml b/Documentation/devicetree/bindings/display/bridge/lontium,lt8912.ya= ml new file mode 100644 index 000000000000..ed1a6ddaab2f --- /dev/null +++ b/Documentation/devicetree/bindings/display/bridge/lontium,lt8912.yaml @@ -0,0 +1,92 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/bridge/lontium,lt8912.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Lontium LT8912 MIPI to HDMI Bridge + +maintainers: + - Adrien Grassein + +description: | + The LT8912 is a bridge device which convert DSI to HDMI + +properties: + compatible: + enum: + - lontium,lt8912 + + reg: + maxItems: 1 + + ddc-i2c-bus: + maxItems: 1 + description: i2c bus used to read EDID of the connected display. + + dsi-lanes: + maxItems: 1 + description: dsi lanes count interconnected with lt8912. + + 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-1 for MIPI input + + required: + - port@0 + +required: + - compatible + - ddc-i2c-bus + - dsi-lanes + - reg + - reset-gpios + - ports + +additionalProperties: false + +examples: + - | + #include + + i2c4 { + #address-cells =3D <1>; + #size-cells =3D <0>; + + hdmi-bridge@48 { + compatible =3D "lontium,lt8912"; + reg =3D <0x48>; + reset-gpios =3D <&max7323 0 GPIO_ACTIVE_LOW>; + dsi-lanes =3D <4>; + ddc-i2c-bus =3D <&ddc_i2c_bus>; + + ports { + #address-cells =3D <1>; + #size-cells =3D <0>; + + port@0 { + reg =3D <0>; + + hdmi_out_in: endpoint { + remote-endpoint =3D <&mipi_dsi_out>; + }; + }; + }; + }; + }; + + ddc_i2c_bus: i2c5 { + #address-cells =3D <1>; + #size-cells =3D <0>; + }; + +... diff --git a/MAINTAINERS b/MAINTAINERS index 5aa18cbfb883..01e7e356bfac 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -10472,6 +10472,11 @@ 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 LT8912 MIPI TO HDMI BRIDGE +M: Adrien Grassein +S: Maintained +F: Documentation/devicetree/bindings/display/bridge/lontium,lt8912.yaml + LSILOGIC MPT FUSION DRIVERS (FC/SAS/SPI) M: Sathya Prakash M: Sreekanth Reddy --=20 2.25.1