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Thu, 15 Feb 2024 17:46:42 +0000 (UTC) From: Yang Xiwen via B4 Relay Date: Fri, 16 Feb 2024 01:46:43 +0800 Subject: [PATCH 2/3] dt-bindings: mmc: dw-mshc-hi3798cv200: convert to YAML 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-v1-2-7d46db845ae6@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=5102; i=forbidden405@outlook.com; s=20230724; h=from:subject:message-id; bh=0sfwzUJFuIVX0g0d41ym9HjyV3Dmi6BtolqAT23dmoI=; b=svcO27zuOfcdnzZZ4edz71kuiUhQEZdFeRSN7MkC8maea9lDXe19IsHNuNpKSMS06hhgNlDbl E5NE4QOKQeJAao9TqTcn5QNXZgUyfv6HuAN/KwSuMV4+JTNUD9GU8ws 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: 1790987999897313561 X-GMAIL-MSGID: 1790987999897313561 From: Yang Xiwen convert the legacy txt binding to modern YAML. No semantic change. Signed-off-by: Yang Xiwen --- .../bindings/mmc/hi3798cv200-dw-mshc.txt | 40 ---------- .../bindings/mmc/hi3798cv200-dw-mshc.yaml | 86 ++++++++++++++++++++++ 2 files changed, 86 insertions(+), 40 deletions(-) diff --git a/Documentation/devicetree/bindings/mmc/hi3798cv200-dw-mshc.txt b/Documentation/devicetree/bindings/mmc/hi3798cv200-dw-mshc.txt deleted file mode 100644 index a0693b7145f2..000000000000 --- a/Documentation/devicetree/bindings/mmc/hi3798cv200-dw-mshc.txt +++ /dev/null @@ -1,40 +0,0 @@ -* Hisilicon Hi3798CV200 specific extensions to the Synopsys Designware Mobile - Storage Host Controller - -Read synopsys-dw-mshc.txt for more details - -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. - -Required Properties: -- compatible: Should contain "hisilicon,hi3798cv200-dw-mshc". -- clocks: A list of phandle + clock-specifier pairs for the clocks listed - in clock-names. -- clock-names: Should contain the following: - "ciu" - The ciu clock described in synopsys-dw-mshc.txt. - "biu" - The biu clock described in synopsys-dw-mshc.txt. - "ciu-sample" - Hi3798CV200 extended phase clock for ciu sampling. - "ciu-drive" - Hi3798CV200 extended phase clock for ciu driving. - -Example: - - emmc: mmc@9830000 { - compatible = "hisilicon,hi3798cv200-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"; - fifo-depth = <256>; - clock-frequency = <200000000>; - cap-mmc-highspeed; - mmc-ddr-1_8v; - mmc-hs200-1_8v; - non-removable; - bus-width = <8>; - }; diff --git a/Documentation/devicetree/bindings/mmc/hi3798cv200-dw-mshc.yaml b/Documentation/devicetree/bindings/mmc/hi3798cv200-dw-mshc.yaml new file mode 100644 index 000000000000..5db99cd94b90 --- /dev/null +++ b/Documentation/devicetree/bindings/mmc/hi3798cv200-dw-mshc.yaml @@ -0,0 +1,86 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/mmc/hi3798cv200-dw-mshc.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: + Hisilicon Hi3798CV200 SoC specific extensions to the Synopsys DWMMC controller + +maintainers: + - Yang Xiwen + +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# + +properties: + compatible: + enum: + - hisilicon,hi3798cv200-dw-mshc + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + minItems: 4 + maxItems: 4 + description: A list of phandles for the clocks listed in clock-names + + clock-names: + items: + - const: ciu + - const: biu + - const: ciu-sample + - const: ciu-drive + description: + Apart from the clock-names "biu" and "ciu" two more clocks + "ciu-drive" and "ciu-sample" are added. They are used to + control the clock phases, "ciu-sample" is required for tuning + high speed modes. + +required: + - compatible + - reg + - interrupts + - clocks + - clock-names + +unevaluatedProperties: false + +examples: + - | + #include + #include + emmc: mmc@9830000 { + compatible = "hisilicon,hi3798cv200-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_1 &emmc_pins_2 + &emmc_pins_3 &emmc_pins_4>; + fifo-depth = <256>; + clock-frequency = <200000000>; + cap-mmc-highspeed; + mmc-ddr-1_8v; + mmc-hs200-1_8v; + non-removable; + bus-width = <8>; + status = "okay"; + };