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Mon, 20 Sep 2021 01:44:33 -0700 (PDT) From: Markus Schneider-Pargmann To: Chun-Kuang Hu , Philipp Zabel Cc: Sam Ravnborg , dri-devel@lists.freedesktop.org, linux-mediatek@lists.infradead.org, linux-arm-kernel@lists.infradead.org, Markus Schneider-Pargmann Subject: [PATCH v2 1/6] dt-bindings: mediatek,dpintf: Add DP_INTF binding Date: Mon, 20 Sep 2021 10:44:19 +0200 Message-Id: <20210920084424.231825-2-msp@baylibre.com> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20210920084424.231825-1-msp@baylibre.com> References: <20210920084424.231825-1-msp@baylibre.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210920_014435_611564_459F4744 X-CRM114-Status: GOOD ( 15.27 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DP_INTF is a similar functional block to mediatek,dpi but is different in that it serves the DisplayPort controller on mediatek SoCs and uses different clocks. Therefore this patch creates a new binding file for this functional block. Signed-off-by: Markus Schneider-Pargmann --- Notes: Changes v1 -> v2: - Move the devicetree binding from mediatek,dpi into its own binding file. .../display/mediatek/mediatek,dpintf.yaml | 78 +++++++++++++++++++ 1 file changed, 78 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/mediatek/mediatek,dpintf.yaml diff --git a/Documentation/devicetree/bindings/display/mediatek/mediatek,dpintf.yaml b/Documentation/devicetree/bindings/display/mediatek/mediatek,dpintf.yaml new file mode 100644 index 000000000000..ac1fd93327e6 --- /dev/null +++ b/Documentation/devicetree/bindings/display/mediatek/mediatek,dpintf.yaml @@ -0,0 +1,78 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/mediatek/mediatek,dpintf.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Mediatek DP_INTF Controller Device Tree Bindings + +maintainers: + - CK Hu + - Jitao shi + +description: | + The Mediatek DP_INTF function block is a sink of the display subsystem + connected to the display port controller. + +properties: + compatible: + enum: + - mediatek,mt8195-dpintf + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + items: + - description: hf_fmm Clock + - description: hf_fdp Clock + - description: Pixel Clock + - description: DP_INTF PLL + + clock-names: + items: + - const: hf_fmm + - const: hf_fdp + - const: pixel + - const: pll + + port: + $ref: /schemas/graph.yaml#/properties/port + description: + Output port node. This port should be connected to the input port of an + attached display port controller. + +required: + - compatible + - reg + - interrupts + - clocks + - clock-names + - port + +additionalProperties: false + +examples: + - | + #include + #include + #include + + dp_intf1: dp_intf1@1c113000 { + compatible = "mediatek,mt8195-dpintf"; + reg = <0 0x1c113000 0 0x1000>; + interrupts = ; + clocks = <&vdosys1 CLK_VDO1_DP_INTF0_MM>, + <&vdosys1 CLK_VDO1_DPINTF>, + <&topckgen CLK_TOP_DP_SEL>, + <&topckgen CLK_TOP_TVDPLL2>; + clock-names = "hf_fmm", + "hf_fdp", + "pixel", + "pll"; + }; + +...