From patchwork Fri May 6 14:05:32 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andre Przywara X-Patchwork-Id: 570299 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 03AEBC433FE for ; Fri, 6 May 2022 14:05:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1441982AbiEFOJj (ORCPT ); Fri, 6 May 2022 10:09:39 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33114 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1442001AbiEFOJi (ORCPT ); Fri, 6 May 2022 10:09:38 -0400 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id E9B9C64726 for ; Fri, 6 May 2022 07:05:54 -0700 (PDT) Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 7953E14BF; Fri, 6 May 2022 07:05:54 -0700 (PDT) Received: from donnerap.arm.com (donnerap.cambridge.arm.com [10.1.197.42]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 056FE3F885; Fri, 6 May 2022 07:05:52 -0700 (PDT) From: Andre Przywara To: Rob Herring , Krzysztof Kozlowski Cc: Liviu Dudau , Robin Murphy , devicetree@vger.kernel.org, Will Deacon , linux-arm-kernel@lists.infradead.org, David Airlie , Daniel Vetter , dri-devel@lists.freedesktop.org Subject: [PATCH v2 10/11] dt-bindings: display: convert Arm Mali-DP to DT schema Date: Fri, 6 May 2022 15:05:32 +0100 Message-Id: <20220506140533.3566431-11-andre.przywara@arm.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220506140533.3566431-1-andre.przywara@arm.com> References: <20220506140533.3566431-1-andre.przywara@arm.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org The Arm Mali Display Processor (DP) 5xx/6xx is a series of IP that scans out a framebuffer and hands the pixels over to a digital signal encoder. It supports multiple layers, scaling and rotation. Convert the existing DT binding to DT schema. Signed-off-by: Andre Przywara --- .../bindings/display/arm,malidp.txt | 68 ---------- .../bindings/display/arm,malidp.yaml | 116 ++++++++++++++++++ 2 files changed, 116 insertions(+), 68 deletions(-) delete mode 100644 Documentation/devicetree/bindings/display/arm,malidp.txt create mode 100644 Documentation/devicetree/bindings/display/arm,malidp.yaml diff --git a/Documentation/devicetree/bindings/display/arm,malidp.txt b/Documentation/devicetree/bindings/display/arm,malidp.txt deleted file mode 100644 index 7a97a2b48c2a2..0000000000000 --- a/Documentation/devicetree/bindings/display/arm,malidp.txt +++ /dev/null @@ -1,68 +0,0 @@ -ARM Mali-DP - -The following bindings apply to a family of Display Processors sold as -licensable IP by ARM Ltd. The bindings describe the Mali DP500, DP550 and -DP650 processors that offer multiple composition layers, support for -rotation and scaling output. - -Required properties: - - compatible: should be one of - "arm,mali-dp500" - "arm,mali-dp550" - "arm,mali-dp650" - depending on the particular implementation present in the hardware - - reg: Physical base address and size of the block of registers used by - the processor. - - interrupts: Interrupt list, as defined in ../interrupt-controller/interrupts.txt, - interrupt client nodes. - - interrupt-names: name of the engine inside the processor that will - use the corresponding interrupt. Should be one of "DE" or "SE". - - clocks: A list of phandle + clock-specifier pairs, one for each entry - in 'clock-names' - - clock-names: A list of clock names. It should contain: - - "pclk": for the APB interface clock - - "aclk": for the AXI interface clock - - "mclk": for the main processor clock - - "pxlclk": for the pixel clock feeding the output PLL of the processor. - - arm,malidp-output-port-lines: Array of u8 values describing the number - of output lines per channel (R, G and B). - -Required sub-nodes: - - port: The Mali DP connection to an encoder input port. The connection - is modelled using the OF graph bindings specified in - Documentation/devicetree/bindings/graph.txt - -Optional properties: - - memory-region: phandle to a node describing memory (see - Documentation/devicetree/bindings/reserved-memory/reserved-memory.txt) - to be used for the framebuffer; if not present, the framebuffer may - be located anywhere in memory. - - arm,malidp-arqos-high-level: integer of u32 value describing the ARQoS - levels of DP500's QoS signaling. - - -Example: - -/ { - ... - - dp0: malidp@6f200000 { - compatible = "arm,mali-dp650"; - reg = <0 0x6f200000 0 0x20000>; - memory-region = <&display_reserved>; - interrupts = <0 168 IRQ_TYPE_LEVEL_HIGH>, - <0 168 IRQ_TYPE_LEVEL_HIGH>; - interrupt-names = "DE", "SE"; - clocks = <&oscclk2>, <&fpgaosc0>, <&fpgaosc1>, <&fpgaosc1>; - clock-names = "pxlclk", "mclk", "aclk", "pclk"; - arm,malidp-output-port-lines = /bits/ 8 <8 8 8>; - arm,malidp-arqos-high-level = <0xd000d000>; - port { - dp0_output: endpoint { - remote-endpoint = <&tda998x_2_input>; - }; - }; - }; - - ... -}; diff --git a/Documentation/devicetree/bindings/display/arm,malidp.yaml b/Documentation/devicetree/bindings/display/arm,malidp.yaml new file mode 100644 index 0000000000000..ea7b7100548bf --- /dev/null +++ b/Documentation/devicetree/bindings/display/arm,malidp.yaml @@ -0,0 +1,116 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/arm,malidp.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Arm Mali Display Processor (Mali-DP) binding + +maintainers: + - Liviu Dudau + - Andre Przywara + +description: + The following bindings apply to a family of Display Processors sold as + licensable IP by ARM Ltd. The bindings describe the Mali DP500, DP550 and + DP650 processors that offer multiple composition layers, support for + rotation and scaling output. + +properties: + compatible: + enum: + - arm,mali-dp500 + - arm,mali-dp550 + - arm,mali-dp650 + + reg: + maxItems: 1 + + interrupts: + items: + - description: + The interrupt used by the Display Engine (DE). Can be shared with + the interrupt for the Scaling Engine (SE), but it will have to be + listed individually. + - description: + The interrupt used by the Scaling Engine (SE). Can be shared with + the interrupt for the Display Engine (DE), but it will have to be + listed individually. + + interrupt-names: + items: + - const: DE + - const: SE + + clock-names: + items: + - const: pxlclk + - const: mclk + - const: aclk + - const: pclk + + clocks: + items: + - description: the pixel clock feeding the output PLL of the processor + - description: the main processor clock + - description: the AXI interface clock + - description: the APB interface clock + + memory-region: + maxItems: 1 + description: + Phandle to a node describing memory to be used for the framebuffer. + If not present, the framebuffer may be located anywhere in memory. + + arm,malidp-output-port-lines: + $ref: /schemas/types.yaml#/definitions/uint8-array + description: + Number of output lines/bits for each colour channel. + items: + - description: number of output lines for the red channel (R) + - description: number of output lines for the green channel (G) + - description: number of output lines for the blue channel (B) + + arm,malidp-arqos-high-level: + $ref: /schemas/types.yaml#/definitions/uint32 + description: + integer describing the ARQoS levels of DP500's QoS signaling + + port: + $ref: /schemas/graph.yaml#/properties/port + unevaluatedProperties: false + description: + Output endpoint of the controller, connecting the LCD panel signals. + +additionalProperties: false + +required: + - compatible + - reg + - interrupts + - interrupt-names + - clocks + - clock-names + - port + - arm,malidp-output-port-lines + +examples: + - | + dp0: malidp@6f200000 { + compatible = "arm,mali-dp650"; + reg = <0x6f200000 0x20000>; + memory-region = <&display_reserved>; + interrupts = <168>, <168>; + interrupt-names = "DE", "SE"; + clocks = <&oscclk2>, <&fpgaosc0>, <&fpgaosc1>, <&fpgaosc1>; + clock-names = "pxlclk", "mclk", "aclk", "pclk"; + arm,malidp-output-port-lines = /bits/ 8 <8 8 8>; + arm,malidp-arqos-high-level = <0xd000d000>; + + port { + dp0_output: endpoint { + remote-endpoint = <&tda998x_2_input>; + }; + }; + }; +...