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([51.37.234.167]) by smtp.gmail.com with ESMTPSA id p9-20020a5d4589000000b0020fcf070f61sm16038489wrq.59.2022.06.06.13.14.02 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 06 Jun 2022 13:14:02 -0700 (PDT) From: Conor Dooley To: Rob Herring , Krzysztof Kozlowski , Andrew Lunn , Support Opensource , Lee Jones , Ulf Hansson , Palmer Dabbelt , Paul Walmsley , Albert Ou , Steve Twiss Cc: Conor Dooley , linux-i2c@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mmc@vger.kernel.org, linux-riscv@lists.infradead.org, Atul Khare , Rob Herring Subject: [PATCH v3 1/4] dt-bindings: mmc: convert mmc-spi-slot to yaml Date: Mon, 6 Jun 2022 21:13:41 +0100 Message-Id: <20220606201343.514391-2-mail@conchuod.ie> X-Mailer: git-send-email 2.36.1 In-Reply-To: <20220606201343.514391-1-mail@conchuod.ie> References: <20220606201343.514391-1-mail@conchuod.ie> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-mmc@vger.kernel.org From: Conor Dooley Convert the mmc-spi-slot text based binding doc to yaml, with the side effect of cleaning up some of the riscv dtbs_check warnings. Reviewed-by: Rob Herring Signed-off-by: Conor Dooley --- .../devicetree/bindings/mmc/mmc-spi-slot.txt | 29 ------- .../devicetree/bindings/mmc/mmc-spi-slot.yaml | 77 +++++++++++++++++++ 2 files changed, 77 insertions(+), 29 deletions(-) delete mode 100644 Documentation/devicetree/bindings/mmc/mmc-spi-slot.txt create mode 100644 Documentation/devicetree/bindings/mmc/mmc-spi-slot.yaml diff --git a/Documentation/devicetree/bindings/mmc/mmc-spi-slot.txt b/Documentation/devicetree/bindings/mmc/mmc-spi-slot.txt deleted file mode 100644 index 5e74db69f581..000000000000 --- a/Documentation/devicetree/bindings/mmc/mmc-spi-slot.txt +++ /dev/null @@ -1,29 +0,0 @@ -MMC/SD/SDIO slot directly connected to a SPI bus - -This file documents differences between the core properties described -by mmc.txt and the properties used by the mmc_spi driver. - -Required properties: -- spi-max-frequency : maximum frequency for this device (Hz). - -Optional properties: -- voltage-ranges : two cells are required, first cell specifies minimum - slot voltage (mV), second cell specifies maximum slot voltage (mV). - Several ranges could be specified. If not provided, 3.2v..3.4v is assumed. -- gpios : may specify GPIOs in this order: Card-Detect GPIO, - Write-Protect GPIO. Note that this does not follow the - binding from mmc.txt, for historical reasons. - -Example: - - mmc-slot@0 { - compatible = "fsl,mpc8323rdb-mmc-slot", - "mmc-spi-slot"; - reg = <0>; - gpios = <&qe_pio_d 14 1 - &qe_pio_d 15 0>; - voltage-ranges = <3300 3300>; - spi-max-frequency = <50000000>; - interrupts = <42>; - interrupt-parent = <&PIC>; - }; diff --git a/Documentation/devicetree/bindings/mmc/mmc-spi-slot.yaml b/Documentation/devicetree/bindings/mmc/mmc-spi-slot.yaml new file mode 100644 index 000000000000..c45b91099325 --- /dev/null +++ b/Documentation/devicetree/bindings/mmc/mmc-spi-slot.yaml @@ -0,0 +1,77 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/mmc/mmc-spi-slot.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: MMC/SD/SDIO slot directly connected to a SPI bus + +maintainers: + - Ulf Hansson + +allOf: + - $ref: "mmc-controller.yaml" + - $ref: /schemas/spi/spi-peripheral-props.yaml + +description: | + The extra properties used by an mmc connected via SPI. + +properties: + compatible: + const: mmc-spi-slot + + reg: + maxItems: 1 + + spi-max-frequency: true + + interrupts: + maxItems: 1 + + voltage-ranges: + $ref: /schemas/types.yaml#/definitions/uint32-array + description: | + Two cells are required, first cell specifies minimum slot voltage (mV), + second cell specifies maximum slot voltage (mV). + items: + - description: | + value for minimum slot voltage in mV + default: 3200 + - description: | + value for maximum slot voltage in mV + default: 3400 + + gpios: + description: | + For historical reasons, this does not follow the generic mmc-controller + binding. + minItems: 1 + items: + - description: Card-Detect GPIO + - description: Write-Protect GPIO + +required: + - compatible + - reg + - spi-max-frequency + +unevaluatedProperties: false + +examples: + - | + #include + spi { + #address-cells = <1>; + #size-cells = <0>; + mmc@0 { + compatible = "mmc-spi-slot"; + reg = <0>; + gpios = <&gpio 14 GPIO_ACTIVE_LOW>, <&gpio 15 GPIO_ACTIVE_HIGH>; + voltage-ranges = <3300 3300>; + spi-max-frequency = <50000000>; + interrupts = <42>; + interrupt-parent = <&PIC>; + }; + }; + +...