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[2a02:8440:6240:cc41:3074:96af:9642:3]) by smtp.gmail.com with ESMTPSA id p16-20020a5d6390000000b00203ffebddf3sm7547464wru.99.2022.03.25.10.16.45 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 25 Mar 2022 10:16:46 -0700 (PDT) From: Guillaume Ranquet To: chunkuang.hu@kernel.org, p.zabel@pengutronix.de, airlied@linux.ie, daniel@ffwll.ch, robh+dt@kernel.org, maarten.lankhorst@linux.intel.com, mripard@kernel.org, tzimmermann@suse.de, matthias.bgg@gmail.com, chunfeng.yun@mediatek.com, kishon@ti.com, vkoul@kernel.org, deller@gmx.de, ck.hu@mediatek.com, jitao.shi@mediatek.com, angelogioacchino.delregno@collabora.com, Krzysztof Kozlowski Cc: dri-devel@lists.freedesktop.org, linux-mediatek@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-phy@lists.infradead.org, linux-fbdev@vger.kernel.org, markyacoub@google.com, Markus Schneider-Pargmann , Rob Herring Subject: [PATCH 02/22] dt-bindings: mediatek,dp: Add Display Port binding Date: Fri, 25 Mar 2022 18:14:51 +0100 Message-Id: <20220325171511.23493-3-granquet@baylibre.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220325171511.23493-1-granquet@baylibre.com> References: <20220325171511.23493-1-granquet@baylibre.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-fbdev@vger.kernel.org From: Markus Schneider-Pargmann This controller is present on several mediatek hardware. Currently mt8195 and mt8395 have this controller without a functional difference, so only one compatible field is added. The controller can have two forms, as a normal display port and as an embedded display port. Signed-off-by: Markus Schneider-Pargmann Signed-off-by: Guillaume Ranquet Reviewed-by: Rob Herring --- .../display/mediatek/mediatek,dp.yaml | 97 +++++++++++++++++++ 1 file changed, 97 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/mediatek/mediatek,dp.yaml diff --git a/Documentation/devicetree/bindings/display/mediatek/mediatek,dp.yaml b/Documentation/devicetree/bindings/display/mediatek/mediatek,dp.yaml new file mode 100644 index 000000000000..74db5c4e0f73 --- /dev/null +++ b/Documentation/devicetree/bindings/display/mediatek/mediatek,dp.yaml @@ -0,0 +1,97 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/mediatek/mediatek,dp.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Mediatek Display Port Controller + +maintainers: + - CK Hu + - Jitao shi + +description: | + Device tree bindings for the Mediatek (embedded) Display Port controller + present on some Mediatek SoCs. + +properties: + compatible: + enum: + - mediatek,mt8195-dp-tx + - syscon + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + items: + - description: faxi clock + + clock-names: + items: + - const: faxi + + phys: + maxItems: 1 + + phy-names: + items: + - const: dp + + power-domains: + maxItems: 1 + + ports: + $ref: /schemas/graph.yaml#/properties/ports + properties: + port@0: + $ref: /schemas/graph.yaml#/properties/port + description: Input endpoint of the controller, usually dp_intf + + port@1: + $ref: /schemas/graph.yaml#/properties/port + description: Output endpoint of the controller + +required: + - compatible + - reg + - interrupts + - ports + +additionalProperties: false + +examples: + - | + #include + #include + edp_tx: edp_tx@1c500000 { + compatible = "mediatek,mt8195-dp-tx","syscon"; + reg = <0 0x1c500000 0 0x8000>; + interrupts = ; + power-domains = <&spm MT8195_POWER_DOMAIN_EPD_TX>; + pinctrl-names = "default"; + pinctrl-0 = <&edp_pin>; + phys = <&dp_phy>; + phy-names = "dp"; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + edp_in: endpoint { + remote-endpoint = <&dp_intf0_out>; + }; + }; + port@1 { + reg = <1>; + edp_out: endpoint { + remote-endpoint = <&panel_in>; + }; + }; + }; + };