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Lin" , Moudy Ho , Hsiao Chien Sung , "Jason-JH . Lin" , Nathan Lu , , , , , Subject: [PATCH v9 04/23] dt-bindings: display: mediatek: padding: Add MT8188 Date: Wed, 18 Oct 2023 12:36:31 +0800 Message-ID: <20231018043650.22532-5-shawn.sung@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20231018043650.22532-1-shawn.sung@mediatek.com> References: <20231018043650.22532-1-shawn.sung@mediatek.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-TM-AS-Product-Ver: SMEX-14.0.0.3152-9.1.1006-23728.005 X-TM-AS-Result: No-10--7.513800-8.000000 X-TMASE-MatchedRID: 9rm+L2YNiKzyZ92BnYqk5lz+axQLnAVB6SXuwUgGH0hbKBBN5zqG8FaP 6AhhdqyDBRj5e39v/eGsMR/ATxTHjWVnjx+sD6Kytw+xHnsmQjOMp+s3ceVcmb/Yg8aa0YTZdd3 vE6bWkcHv3WZroeUzUI1xSG08E+c3VHcNS6pil71CnGIuUMP0VUEKKv3+tzX7UiwXYafXfD6kB0 1zVAshlyIvUI0oiRYyZMzrwqima4jmyenDbONxLaEtILqFekmXLoYOuiLW+uXW4BShNeq/ewpCM S7M3CBmkHg+Xqfv+GzQvEuTNHaCJh0QUKM89Lf/o65WJt1k1O+H7D1bP/FcOglbhF7ZTanLYeGP 4tValiDG3TRnfVX2PIAy6p60ZV62v2ThXg3lx4DdB/CxWTRRu4as+d5/8j56Yxdi4F8nEfi5OCV GY5JudjeHtrlqvPTaQnQ6/WjRw2GXmU/FzSSM1Q== X-TM-AS-User-Approved-Sender: No X-TM-AS-User-Blocked-Sender: No X-TMASE-Result: 10--7.513800-8.000000 X-TMASE-Version: SMEX-14.0.0.3152-9.1.1006-23728.005 X-TM-SNTS-SMTP: BEA73C3609E4C71771ADCFBC57CC5502AE115990252F4F242B6702D18DAFF7992000:8 X-MTK: N X-Spam-Status: No, score=-1.3 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_BLOCKED,RDNS_NONE, SPF_HELO_PASS,SPF_PASS,UNPARSEABLE_RELAY autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Padding is a new hardware module on MediaTek MT8188, add dt-bindings for it. Reviewed-by: Krzysztof Kozlowski Reviewed-by: CK Hu Reviewed-by: AngeloGioacchino Del Regno Signed-off-by: Hsiao Chien Sung --- .../display/mediatek/mediatek,padding.yaml | 81 +++++++++++++++++++ 1 file changed, 81 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/mediatek/mediatek,padding.yaml diff --git a/Documentation/devicetree/bindings/display/mediatek/mediatek,padding.yaml b/Documentation/devicetree/bindings/display/mediatek/mediatek,padding.yaml new file mode 100644 index 000000000000..db24801ebc48 --- /dev/null +++ b/Documentation/devicetree/bindings/display/mediatek/mediatek,padding.yaml @@ -0,0 +1,81 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/mediatek/mediatek,padding.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: MediaTek Display Padding + +maintainers: + - Chun-Kuang Hu + - Philipp Zabel + +description: + Padding provides ability to add pixels to width and height of a layer with + specified colors. Due to hardware design, Mixer in VDOSYS1 requires + width of a layer to be 2-pixel-align, or 4-pixel-align when ETHDR is enabled, + we need Padding to deal with odd width. + Please notice that even if the Padding is in bypass mode, settings in + register must be cleared to 0, or undefined behaviors could happen. + +properties: + compatible: + const: mediatek,mt8188-padding + + reg: + maxItems: 1 + + power-domains: + maxItems: 1 + + clocks: + items: + - description: RDMA Clock + + mediatek,gce-client-reg: + description: + GCE (Global Command Engine) is a multi-core micro processor that helps + its clients to execute commands without interrupting CPU. This property + describes GCE client's information that is composed by 4 fields. + 1. Phandle of the GCE (there may be several GCE processors) + 2. Sub-system ID defined in the dt-binding like a user ID + (Please refer to include/dt-bindings/gce/-gce.h) + 3. Offset from base address of the subsys you are at + 4. Size of the register the client needs + $ref: /schemas/types.yaml#/definitions/phandle-array + items: + items: + - description: Phandle of the GCE + - description: Subsys ID defined in the dt-binding + - description: Offset from base address of the subsys + - description: Size of register + maxItems: 1 + +required: + - compatible + - reg + - power-domains + - clocks + - mediatek,gce-client-reg + +additionalProperties: false + +examples: + - | + #include + #include + #include + #include + + soc { + #address-cells = <2>; + #size-cells = <2>; + + padding0: padding@1c11d000 { + compatible = "mediatek,mt8188-padding"; + reg = <0 0x1c11d000 0 0x1000>; + clocks = <&vdosys1 CLK_VDO1_PADDING0>; + power-domains = <&spm MT8188_POWER_DOMAIN_VDOSYS1>; + mediatek,gce-client-reg = <&gce0 SUBSYS_1c11XXXX 0xd000 0x1000>; + }; + };