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Thu, 15 Feb 2024 17:46:42 +0000 (UTC) From: Yang Xiwen via B4 Relay Date: Fri, 16 Feb 2024 01:46:44 +0800 Subject: [PATCH 3/3] dt-bindings: mmc: dw-mshc-hi3798cv200: rename to dw-mshc-histb Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20240216-b4-mmc-hi3798mv200-v1-3-7d46db845ae6@outlook.com> References: <20240216-b4-mmc-hi3798mv200-v1-0-7d46db845ae6@outlook.com> In-Reply-To: <20240216-b4-mmc-hi3798mv200-v1-0-7d46db845ae6@outlook.com> To: Ulf Hansson , Jaehoon Chung , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: Igor Opaniuk , tianshuliang , David Yang , linux-kernel@vger.kernel.org, linux-mmc@vger.kernel.org, devicetree@vger.kernel.org, Yang Xiwen X-Mailer: b4 0.12.4 X-Developer-Signature: v=1; a=ed25519-sha256; t=1708019203; l=4176; i=forbidden405@outlook.com; s=20230724; h=from:subject:message-id; bh=vyT5SY9rrA1BRKlIPW3ARvBOXeZjjpuC0pdH+zidx+U=; b=Tf3Nb3SLoAI+EwCZ6ijWxGYdkpP8wYBMIRw7xswxJo5oZ6AvOrrL3r6U3dllsArYeg57hgvnE 9OOU7fzbCSNBO41J+nGHqoN6vK/gcrutOvSe/waWCtMDad1zAuLOUIS X-Developer-Key: i=forbidden405@outlook.com; a=ed25519; pk=qOD5jhp891/Xzc+H/PZ8LWVSWE3O/XCQnAg+5vdU2IU= X-Endpoint-Received: by B4 Relay for forbidden405@outlook.com/20230724 with auth_id=67 X-Original-From: Yang Xiwen Reply-To: X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1790987995569384524 X-GMAIL-MSGID: 1790987995569384524 From: Yang Xiwen Add binding for Hi3798MV200 DWMMC specific extension. Signed-off-by: Yang Xiwen --- ...hi3798cv200-dw-mshc.yaml => histb-dw-mshc.yaml} | 60 +++++++++++++++++++--- 1 file changed, 52 insertions(+), 8 deletions(-) diff --git a/Documentation/devicetree/bindings/mmc/hi3798cv200-dw-mshc.yaml b/Documentation/devicetree/bindings/mmc/histb-dw-mshc.yaml similarity index 57% rename from Documentation/devicetree/bindings/mmc/hi3798cv200-dw-mshc.yaml rename to Documentation/devicetree/bindings/mmc/histb-dw-mshc.yaml index 5db99cd94b90..d2f5b7bb7a58 100644 --- a/Documentation/devicetree/bindings/mmc/hi3798cv200-dw-mshc.yaml +++ b/Documentation/devicetree/bindings/mmc/histb-dw-mshc.yaml @@ -1,11 +1,11 @@ # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause %YAML 1.2 --- -$id: http://devicetree.org/schemas/mmc/hi3798cv200-dw-mshc.yaml# +$id: http://devicetree.org/schemas/mmc/histb-dw-mshc.yaml# $schema: http://devicetree.org/meta-schemas/core.yaml# title: - Hisilicon Hi3798CV200 SoC specific extensions to the Synopsys DWMMC controller + Hisilicon HiSTB SoCs specific extensions to the Synopsys DWMMC controller maintainers: - Yang Xiwen @@ -14,16 +14,14 @@ description: The Synopsys designware mobile storage host controller is used to interface a SoC with storage medium such as eMMC or SD/MMC cards. This file documents differences between the core Synopsys dw mshc controller properties described - by synopsys-dw-mshc.txt and the properties used by the Hisilicon Hi3798CV200 - specific extensions to the Synopsys Designware Mobile Storage Host Controller. - -allOf: - - $ref: synopsys-dw-mshc-common.yaml# + by synopsys-dw-mshc.txt and the properties used by the Hisilicon HiSTB specific + extensions to the Synopsys Designware Mobile Storage Host Controller. properties: compatible: enum: - hisilicon,hi3798cv200-dw-mshc + - hisilicon,hi3798mv200-dw-mshc reg: maxItems: 1 @@ -48,6 +46,12 @@ properties: control the clock phases, "ciu-sample" is required for tuning high speed modes. + hisilicon,sap-dll-reg: + $ref: /schemas/types.yaml#/definitions/phandle + description: + A phandle points to the sample delay-locked-loop(DLL) + syscon node, used for tuning. + required: - compatible - reg @@ -55,13 +59,25 @@ required: - clocks - clock-names +allOf: + - $ref: synopsys-dw-mshc-common.yaml# + + - if: + properties: + compatible: + contains: + const: hisilicon,hi3798mv200-dw-mshc + then: + required: + - hisilicon,sap-dll-reg + unevaluatedProperties: false examples: - | #include #include - emmc: mmc@9830000 { + mmc@9830000 { compatible = "hisilicon,hi3798cv200-dw-mshc"; reg = <0x9830000 0x10000>; interrupts = ; @@ -84,3 +100,31 @@ examples: bus-width = <8>; status = "okay"; }; + - | + #include + #include + mmc@9830000 { + compatible = "hisilicon,hi3798mv200-dw-mshc"; + reg = <0x9830000 0x10000>; + interrupts = ; + clocks = <&crg HISTB_MMC_CIU_CLK>, + <&crg HISTB_MMC_BIU_CLK>, + <&crg HISTB_MMC_SAMPLE_CLK>, + <&crg HISTB_MMC_DRV_CLK>; + clock-names = "ciu", "biu", "ciu-sample", "ciu-drive"; + resets = <&crg 0xa0 4>; + reset-names = "reset"; + pinctrl-names = "default"; + pinctrl-0 = <&emmc_pins>; + fifo-depth = <256>; + clock-frequency = <50000000>; + max-frequency = <150000000>; + cap-mmc-highspeed; + mmc-ddr-1_8v; + mmc-hs200-1_8v; + mmc-hs400-1_8v; + non-removable; + bus-width = <8>; + hisilicon,sap-dll-reg = <&emmc_sap_dll_reg>; + status = "okay"; + };