From ffe18c0f7ced226ac07a4079ed504312418bfb6c Mon Sep 17 00:00:00 2001 From: Conor Dooley Date: Mon, 6 Jun 2022 21:13:41 +0100 Subject: [PATCH] dt-bindings: mmc: convert mmc-spi-slot to yaml 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 Link: https://lore.kernel.org/r/20220606201343.514391-2-mail@conchuod.ie Signed-off-by: Ulf Hansson --- .../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 5e74db6..0000000 --- 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 0000000..c45b910 --- /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>; + }; + }; + +... -- 2.7.4