Convert the Amlogic Meson6, Meson8 and Meson8b SDIO/MMC controller bindings to dt-schema. Reviewed-by: Martin Blumenstingl <martin.blumenstingl@xxxxxxxxxxxxxx> Reviewed-by: Rob Herring (Arm) <robh@xxxxxxxxxx> Signed-off-by: Neil Armstrong <neil.armstrong@xxxxxxxxxx> --- .../bindings/mmc/amlogic,meson-mx-sdio.txt | 54 ------------- .../bindings/mmc/amlogic,meson-mx-sdio.yaml | 94 ++++++++++++++++++++++ 2 files changed, 94 insertions(+), 54 deletions(-) diff --git a/Documentation/devicetree/bindings/mmc/amlogic,meson-mx-sdio.txt b/Documentation/devicetree/bindings/mmc/amlogic,meson-mx-sdio.txt deleted file mode 100644 index 8765c605e6bc761db2923ad748b5bb70d40ea830..0000000000000000000000000000000000000000 --- a/Documentation/devicetree/bindings/mmc/amlogic,meson-mx-sdio.txt +++ /dev/null @@ -1,54 +0,0 @@ -* Amlogic Meson6, Meson8 and Meson8b SDIO/MMC controller - -The highspeed MMC host controller on Amlogic SoCs provides an interface -for MMC, SD, SDIO and SDHC types of memory cards. - -Supported maximum speeds are the ones of the eMMC standard 4.41 as well -as the speed of SD standard 2.0. - -The hardware provides an internal "mux" which allows up to three slots -to be controlled. Only one slot can be accessed at a time. - -Required properties: - - compatible : must be one of - - "amlogic,meson8-sdio" - - "amlogic,meson8b-sdio" - along with the generic "amlogic,meson-mx-sdio" - - reg : mmc controller base registers - - interrupts : mmc controller interrupt - - #address-cells : must be 1 - - size-cells : must be 0 - - clocks : phandle to clock providers - - clock-names : must contain "core" and "clkin" - -Required child nodes: -A node for each slot provided by the MMC controller is required. -NOTE: due to a driver limitation currently only one slot (= child node) - is supported! - -Required properties on each child node (= slot): - - compatible : must be "mmc-slot" (see mmc.txt within this directory) - - reg : the slot (or "port") ID - -Optional properties on each child node (= slot): - - bus-width : must be 1 or 4 (8-bit bus is not supported) - - for cd and all other additional generic mmc parameters - please refer to mmc.txt within this directory - -Examples: - mmc@c1108c20 { - compatible = "amlogic,meson8-sdio", "amlogic,meson-mx-sdio"; - reg = <0xc1108c20 0x20>; - interrupts = <0 28 1>; - #address-cells = <1>; - #size-cells = <0>; - clocks = <&clkc CLKID_SDIO>, <&clkc CLKID_CLK81>; - clock-names = "core", "clkin"; - - slot@1 { - compatible = "mmc-slot"; - reg = <1>; - - bus-width = <4>; - }; - }; diff --git a/Documentation/devicetree/bindings/mmc/amlogic,meson-mx-sdio.yaml b/Documentation/devicetree/bindings/mmc/amlogic,meson-mx-sdio.yaml new file mode 100644 index 0000000000000000000000000000000000000000..022682a977c6d347c36279f958dcd6f53d385b71 --- /dev/null +++ b/Documentation/devicetree/bindings/mmc/amlogic,meson-mx-sdio.yaml @@ -0,0 +1,94 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/mmc/amlogic,meson-mx-sdio.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Amlogic Meson6, Meson8 and Meson8b SDIO/MMC controller + +description: | + The highspeed MMC host controller on Amlogic SoCs provides an interface + for MMC, SD, SDIO and SDHC types of memory cards. + + Supported maximum speeds are the ones of the eMMC standard 4.41 as well + as the speed of SD standard 2.0. + + The hardware provides an internal "mux" which allows up to three slots + to be controlled. Only one slot can be accessed at a time. + +maintainers: + - Neil Armstrong <neil.armstrong@xxxxxxxxxx> + +properties: + compatible: + items: + - enum: + - amlogic,meson8-sdio + - amlogic,meson8b-sdio + - const: amlogic,meson-mx-sdio + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + maxItems: 2 + + clock-names: + items: + - const: core + - const: clkin + + "#address-cells": + const: 1 + + "#size-cells": + const: 0 + +patternProperties: + "slot@[0-2]$": + $ref: mmc-slot.yaml# + description: + A node for each slot provided by the MMC controller + + properties: + reg: + enum: [0, 1, 2] + + bus-width: + enum: [1, 4] + + unevaluatedProperties: false + +required: + - compatible + - reg + - interrupts + - clocks + - clock-names + - "#address-cells" + - "#size-cells" + +additionalProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/irq.h> + #include <dt-bindings/interrupt-controller/arm-gic.h> + mmc@c1108c20 { + compatible = "amlogic,meson8-sdio", "amlogic,meson-mx-sdio"; + reg = <0xc1108c20 0x20>; + interrupts = <GIC_SPI 28 IRQ_TYPE_EDGE_RISING>; + clocks = <&clk_core>, <&clk_in>; + clock-names = "core", "clkin"; + #address-cells = <1>; + #size-cells = <0>; + + slot@1 { + compatible = "mmc-slot"; + reg = <1>; + bus-width = <4>; + }; + }; -- 2.34.1