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Mon, 12 Apr 2021 08:46:54 -0700 (PDT) From: Neil Armstrong To: a.hajda@samsung.com, Laurent.pinchart@ideasonboard.com, paul@crapouillou.net, robert.foss@linaro.org, devicetree@vger.kernel.org Cc: jonas@kwiboo.se, jernej.skrabec@siol.net, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, Phong LE , Neil Armstrong Subject: [PATCH v3 1/3] dt-bindings: display: bridge: add it66121 bindings Date: Mon, 12 Apr 2021 17:46:46 +0200 Message-Id: <20210412154648.3719153-2-narmstrong@baylibre.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210412154648.3719153-1-narmstrong@baylibre.com> References: <20210412154648.3719153-1-narmstrong@baylibre.com> MIME-Version: 1.0 X-Patch-Hashes: v=1; h=sha256; i=A37XVUhvAjeOHadMAQvzsTXvq4/Mx+3fpb+QMgZO0wk=; m=4pbLDTHmUx/bdOuUE4bnndkED+bQKYHuWP7IpaPzTyo=; p=NMnvxRQNO0UfPjnn5oPHclBIYEUF7AEtJYQxnlns38g=; g=7885d5dafd4182d3fd1e195e1b4fc94b84582e40 X-Patch-Sig: m=pgp; i=narmstrong@baylibre.com; s=0xA4CFF8AE; b=iQIzBAABCgAdFiEEPVPGJshWBf4d9CyLd9zb2sjISdEFAmB0a0kACgkQd9zb2sjISdFhZQ//WjD XF7VLF9hVcJzoOou9W5jDshNKpCH3+bOWnAe9BwzNjMAmUzV1ryLlgg/TlNWoxV0usgM65SF1BPEf MTWDid2YBLW4sheOhQhGD/EyFf0mtikyYjpHf2SbidFERb6qC3c6OjFsyGOflfbN+gjHn+u9PjYGE 7meaSxx/ftgijcGDJyI2BuCJkrRNPfnPk2DQBTYoBZF5rud3S1jGmS1N7GYEBwwVzCZqH0fMTR8H+ EhbuLIhMVI5xiZPu4sUM+swcrAJPrPB1oljkPpbQd2EK7cQh2m+DQhg/RdwkCKXrmEOOV6z65WEc5 7+1MlYujrMdAsc1gAieFZ+7RMTR1pD7z1z27AlqTVVTV3wd+7a36rjgqT18iDiCRt7R1cPKCbkAXD x29Kxkkvf1t/FF9QEhTzXbgxOY5RDIH9H1awza2Yg8HqpKbUDLj4hioSn/V7804ognNFIImOoUU0a zVFNGNuT3h47VSrKLOJUBGRV3qKxnP7UHlcPJYsehwtWD75xunr6JLM34QZ98NFb7DGys4XM35aCI 1jnr+ZFKajIuUYCqtRvZhPkhAh7Y9hjpZynj/MIX6DxRfgt3NY4EiUENSTLCKtEnglrtuDO0a0vGx mnEwF0IKUYiqrS1DcQD2hKl7C1jUJBIk150g9dTGHDa7z+wrpQcl257uYjrJCxUs= Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Phong LE Add the ITE bridge HDMI it66121 bindings. Signed-off-by: Phong LE Signed-off-by: Neil Armstrong --- .../bindings/display/bridge/ite,it66121.yaml | 123 ++++++++++++++++++ 1 file changed, 123 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/bridge/ite,it66121.yaml diff --git a/Documentation/devicetree/bindings/display/bridge/ite,it66121.yaml b/Documentation/devicetree/bindings/display/bridge/ite,it66121.yaml new file mode 100644 index 000000000000..61ed6dc7740b --- /dev/null +++ b/Documentation/devicetree/bindings/display/bridge/ite,it66121.yaml @@ -0,0 +1,123 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/bridge/ite,it66121.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: ITE it66121 HDMI bridge Device Tree Bindings + +maintainers: + - Phong LE + - Neil Armstrong + +description: | + The IT66121 is a high-performance and low-power single channel HDMI + transmitter, fully compliant with HDMI 1.3a, HDCP 1.2 and backward compatible + to DVI 1.0 specifications. + +properties: + compatible: + const: ite,it66121 + + reg: + maxItems: 1 + description: base I2C address of the device + + reset-gpios: + maxItems: 1 + description: GPIO connected to active low reset + + vrf12-supply: + description: Regulator for 1.2V analog core power. + + vcn33-supply: + description: Regulator for 3.3V digital core power. + + vcn18-supply: + description: Regulator for 1.8V IO core power. + + interrupts: + maxItems: 1 + + ports: + $ref: /schemas/graph.yaml#/properties/ports + + properties: + port@0: + $ref: /schemas/graph.yaml#/$defs/port-base + unevaluatedProperties: false + description: DPI input port. + + properties: + endpoint: + $ref: /schemas/graph.yaml#/$defs/endpoint-base + unevaluatedProperties: false + + properties: + bus-width: + description: + Endpoint bus width. + enum: + - 12 # 12 data lines connected and dual-edge mode + - 24 # 24 data lines connected and single-edge mode + default: 24 + + port@1: + $ref: /schemas/graph.yaml#/properties/port + description: HDMI Connector port. + + required: + - port@0 + - port@1 + +required: + - compatible + - reg + - reset-gpios + - vrf12-supply + - vcn33-supply + - vcn18-supply + - interrupts + - ports + +additionalProperties: false + +examples: + - | + i2c { + #address-cells = <1>; + #size-cells = <0>; + + it66121hdmitx: it66121hdmitx@4c { + compatible = "ite,it66121"; + pinctrl-names = "default"; + pinctrl-0 = <&ite_pins_default>; + vcn33-supply = <&mt6358_vcn33_wifi_reg>; + vcn18-supply = <&mt6358_vcn18_reg>; + vrf12-supply = <&mt6358_vrf12_reg>; + reset-gpios = <&pio 160 1 /* GPIO_ACTIVE_LOW */>; + interrupt-parent = <&pio>; + interrupts = <4 8 /* IRQ_TYPE_LEVEL_LOW */>; + reg = <0x4c>; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + it66121_in: endpoint { + bus-width = <12>; + remote-endpoint = <&display_out>; + }; + }; + + port@1 { + reg = <1>; + hdmi_conn_out: endpoint { + remote-endpoint = <&hdmi_conn_in>; + }; + }; + }; + }; + }; -- 2.25.1