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Lin" , "Jason-JH . Lin" , Hsiao Chien Sung Subject: [RESEND PATCH v6 04/20] dt-bindings: display: mediatek: padding: Add MT8188 Date: Mon, 11 Sep 2023 15:42:17 +0800 Message-ID: <20230911074233.31556-5-shawn.sung@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20230911074233.31556-1-shawn.sung@mediatek.com> References: <20230911074233.31556-1-shawn.sung@mediatek.com> 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--8.027100-8.000000 X-TMASE-MatchedRID: 9nkzMtsPLI7yZ92BnYqk5lz+axQLnAVB6SXuwUgGH0gIgSDinsA6bIpb wG9fIuITLSHDQi/tZU9ZyJKwWJFJUwAwGIAo3Shb71Wx2uUbPLcT0Sn1/3AIbWHZ+cd7VyKXTo+ d5kYVw/ElbBPuTv/lL9eHLWzVm2BdhPc4FTJN6V5LxLYX2WS87+AAYRasBjMekR+/pTNS9t0o0E qA13zQc0cN36UB4MN7MHwFGlhAi2EZjarFLqLUbBuZoNKc6pl+zKnr9zj6h3Hz9QBty8t029xBt 1UDX817nXOXTNRLXkt5pD5YlcDpcqtL0wBaA/G+DB+ErBr0bANimi8LvNfmr87EPIkVcg+OWaGV MLZ5ERLi8zVgXoAltlPcOF1Vw1gmC24oEZ6SpSlsZUSYh+N/e3EQ32xyf6OWA2HUg8E47c0SeDq BtFZYe4Lz5U2zu5EXXXPflUac0Yg= X-TM-AS-User-Approved-Sender: No X-TM-AS-User-Blocked-Sender: No X-TMASE-Result: 10--8.027100-8.000000 X-TMASE-Version: SMEX-14.0.0.3152-9.1.1006-23728.005 X-TM-SNTS-SMTP: BDB281234B350FB61FD68CBD3D972366FF1F37D9FAB9A797339B86EB454632D52000:8 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230911_004328_508372_B8D64CFA X-CRM114-Status: GOOD ( 15.12 ) 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 Padding is a new hardware module on MediaTek MT8188, add dt-bindings for it. Reviewed-by: Krzysztof Kozlowski Signed-off-by: Hsiao Chien Sung Reviewed-by: CK Hu --- .../display/mediatek/mediatek,padding.yaml | 81 +++++++++++++++++++ 1 file changed, 81 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/mediatek/mediatek,padding.yaml -- 2.18.0 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>; + }; + };