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SubjectRe: [PATCH V2 1/3] dt-bindings: spi: Convert spi-slave-mt27xx to json-schema
On Wed, Jan 12, 2022 at 06:36:07PM +0800, Leilk Liu wrote:
> Convert Mediatek ARM SOC's SPI Slave controller binding
> to json-schema format.
>
> Signed-off-by: Leilk Liu <leilk.liu@mediatek.com>
> ---
> .../spi/mediatek,spi-slave-mt27xx.yaml | 73 +++++++++++++++++++
> .../bindings/spi/spi-slave-mt27xx.txt | 33 ---------
> 2 files changed, 73 insertions(+), 33 deletions(-)
> create mode 100644 Documentation/devicetree/bindings/spi/mediatek,spi-slave-mt27xx.yaml
> delete mode 100644 Documentation/devicetree/bindings/spi/spi-slave-mt27xx.txt
>
> diff --git a/Documentation/devicetree/bindings/spi/mediatek,spi-slave-mt27xx.yaml b/Documentation/devicetree/bindings/spi/mediatek,spi-slave-mt27xx.yaml
> new file mode 100644
> index 000000000000..3364fff08cca
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/spi/mediatek,spi-slave-mt27xx.yaml
> @@ -0,0 +1,73 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/spi/mediatek,spi-slave-mt27xx.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: SPI Slave controller for MediaTek ARM SoCs
> +
> +maintainers:
> + - Leilk Liu <leilk.liu@mediatek.com>
> +
> +allOf:
> + - $ref: /spi/spi-controller.yaml#
> +
> +properties:
> + compatible:

> + oneOf:
> + - items:
> + - enum:
> + - mediatek,mt2712-spi-slave
> + - items:
> + - enum:
> + - mediatek,mt8195-spi-slave

Just:

enum:
- mediatek,mt2712-spi-slave
- mediatek,mt8195-spi-slave

> +
> + reg:
> + maxItems: 1
> +
> + interrupts:
> + maxItems: 1
> +
> + clocks:
> + items:
> + - description: clock used for the clock gate

Just 'maxItems: 1'

> +
> + clock-names:
> + items:
> + - const: spi
> +
> + assigned-clocks:
> + maxItems: 1
> + description: |
> + The mux clock for the given platform.
> +
> + assigned-clock-parents:
> + maxItems: 1
> + description: |
> + The parent of mux clock for the given platform.

You can drop assigned-clocks. They are always allowed on nodes with
'clocks'.

> +
> +required:
> + - compatible
> + - reg
> + - interrupts
> + - clocks
> + - clock-names
> +
> +unevaluatedProperties: false
> +
> +examples:
> + - |
> + #include <dt-bindings/clock/mt2712-clk.h>
> + #include <dt-bindings/gpio/gpio.h>
> + #include <dt-bindings/interrupt-controller/arm-gic.h>
> + #include <dt-bindings/interrupt-controller/irq.h>
> +
> + spi@10013000 {
> + compatible = "mediatek,mt2712-spi-slave";
> + reg = <0x10013000 0x100>;
> + interrupts = <GIC_SPI 283 IRQ_TYPE_LEVEL_LOW>;
> + clocks = <&infracfg CLK_INFRA_AO_SPI1>;
> + clock-names = "spi";
> + assigned-clocks = <&topckgen CLK_TOP_SPISLV_SEL>;
> + assigned-clock-parents = <&topckgen CLK_TOP_UNIVPLL1_D2>;
> + };

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