Re: [PATCH v12 1/2] spi: add loongson spi bindings

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在 2023/6/8 下午3:45, Krzysztof Kozlowski 写道:
On 08/06/2023 09:28, Yinbo Zhu wrote:
Add the Loongson platform spi binding with DT schema format using
json-schema.

Please use subject prefixes matching the subsystem. You can get them for
example with `git log --oneline -- DIRECTORY_OR_FILE` on the directory
your patch is touching.

The prefix for SPI should be: "spi: dt-bindings: ". In the same time
last "bindings" are redundant.


okay, I got it.



Signed-off-by: Yinbo Zhu <zhuyinbo@xxxxxxxxxxx>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>
---
  .../bindings/spi/loongson,ls2k-spi.yaml       | 41 +++++++++++++++++++
  MAINTAINERS                                   |  6 +++
  2 files changed, 47 insertions(+)
  create mode 100644 Documentation/devicetree/bindings/spi/loongson,ls2k-spi.yaml

diff --git a/Documentation/devicetree/bindings/spi/loongson,ls2k-spi.yaml b/Documentation/devicetree/bindings/spi/loongson,ls2k-spi.yaml
new file mode 100644
index 000000000000..423ee851edd5
--- /dev/null
+++ b/Documentation/devicetree/bindings/spi/loongson,ls2k-spi.yaml

Filename based on compatible.


There will be more ls2k series SoC spi device in the future thus I still
use "loongson,ls2k-spi.yaml" for cover it.


@@ -0,0 +1,41 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/spi/loongson,ls2k-spi.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Loongson SPI controller
+
+maintainers:
+  - Yinbo Zhu <zhuyinbo@xxxxxxxxxxx>
+
+allOf:
+  - $ref: /schemas/spi/spi-controller.yaml#
+
+properties:
+  compatible:
+    enum:
+      - loongson,ls2k1000-spi

No compatibles for other devices? Didn't we have big discussion about this?

https://elixir.bootlin.com/linux/v6.1-rc1/source/Documentation/devicetree/bindings/writing-bindings.rst#L42


There are other ls2k SPI devices compatible, such as,
"loongson,ls2k0500-spi", "loongson,ls2k2000-spi" but currently I plan to
add ls2k1000 spi device first, Other ls2k SoC spi device adaptation may
require some additional work and I will add it later.

Thanks




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