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SubjectRe: [PATCH V2 2/3] dt-bindings: spi: Convert spi-mt65xx to json-schema
On Wed, Jan 12, 2022 at 06:36:08PM +0800, Leilk Liu wrote:
> Convert Mediatek ARM SOC's SPI Master controller binding
> to json-schema format.
>
> Signed-off-by: Leilk Liu <leilk.liu@mediatek.com>
> ---
> .../bindings/spi/mediatek,spi-mt65xx.yaml | 99 +++++++++++++++++++
> .../devicetree/bindings/spi/spi-mt65xx.txt | 68 -------------
> 2 files changed, 99 insertions(+), 68 deletions(-)
> create mode 100644 Documentation/devicetree/bindings/spi/mediatek,spi-mt65xx.yaml
> delete mode 100644 Documentation/devicetree/bindings/spi/spi-mt65xx.txt
>
> diff --git a/Documentation/devicetree/bindings/spi/mediatek,spi-mt65xx.yaml b/Documentation/devicetree/bindings/spi/mediatek,spi-mt65xx.yaml
> new file mode 100644
> index 000000000000..71f0cf6e5d70
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/spi/mediatek,spi-mt65xx.yaml
> @@ -0,0 +1,99 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/spi/mediatek,spi-mt65xx.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: SPI Bus controller for MediaTek ARM SoCs
> +
> +maintainers:
> + - Leilk Liu <leilk.liu@mediatek.com>
> +
> +allOf:
> + - $ref: /spi/spi-controller.yaml#

/schemas/spi/spi-controller.yaml#

> +
> +properties:
> + compatible:
> + oneOf:
> + - items:
> + - enum:
> + - mediatek,mt7629-spi
> + - const: mediatek,mt7622-spi
> + - items:
> + - enum:
> + - mediatek,mt8516-spi
> + - const: mediatek,mt2712-spi
> + - items:
> + - enum:
> + - mediatek,mt6779-spi
> + - mediatek,mt8192-spi
> + - mediatek,mt8195-spi
> + - const: mediatek,mt6765-spi

> + - const: mediatek,mt2701-spi
> + - const: mediatek,mt2712-spi
> + - const: mediatek,mt6589-spi
> + - const: mediatek,mt6765-spi
> + - const: mediatek,mt6893-spi
> + - const: mediatek,mt7622-spi
> + - const: mediatek,mt8135-spi
> + - const: mediatek,mt8173-spi
> + - const: mediatek,mt8183-spi

All these can be 1 enum.

> +
> + reg:
> + maxItems: 1
> +
> + interrupts:
> + maxItems: 1
> +
> + clocks:
> + items:
> + - description: clock used for the parent clock
> + - description: clock used for the muxes clock
> + - description: clock used for the clock gate
> +
> + clock-names:
> + items:
> + - const: parent-clk
> + - const: sel-clk
> + - const: spi-clk
> +
> + mediatek,pad-select:
> + $ref: /schemas/types.yaml#/definitions/uint32-array
> + maxItems: 4
> + items:
> + enum: [0, 1, 2, 3]
> + description:
> + specify which pins group(ck/mi/mo/cs) spi controller used.
> + This is an array.
> +
> +required:
> + - compatible
> + - reg
> + - interrupts
> + - clocks
> + - clock-names
> + - '#address-cells'
> + - '#size-cells'
> +
> +unevaluatedProperties: false
> +
> +examples:
> + - |
> + #include <dt-bindings/clock/mt8173-clk.h>
> + #include <dt-bindings/gpio/gpio.h>
> + #include <dt-bindings/interrupt-controller/arm-gic.h>
> + #include <dt-bindings/interrupt-controller/irq.h>
> +
> + spi@1100a000 {
> + compatible = "mediatek,mt8173-spi";
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <0x1100a000 0x1000>;
> + interrupts = <GIC_SPI 110 IRQ_TYPE_LEVEL_LOW>;
> + clocks = <&topckgen CLK_TOP_SYSPLL3_D2>,
> + <&topckgen CLK_TOP_SPI_SEL>,
> + <&pericfg CLK_PERI_SPI0>;
> + clock-names = "parent-clk", "sel-clk", "spi-clk";
> + cs-gpios = <&pio 105 GPIO_ACTIVE_LOW>, <&pio 72 GPIO_ACTIVE_LOW>;
> + mediatek,pad-select = <1>, <0>;
> + };

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