Re: [PATCH] dt-bindings: spi: Convert UniPhier SPI controller to json-schema

From: Kunihiko Hayashi
Date: Fri Apr 24 2020 - 05:12:34 EST


On 2020/04/17 10:30, Kunihiko Hayashi wrote:
Convert UniPhier SPI controller binding to DT schema format.

Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@xxxxxxxxxxxxx>
---
.../bindings/spi/socionext,uniphier-spi.yaml | 55 ++++++++++++++++++++++
.../devicetree/bindings/spi/spi-uniphier.txt | 28 -----------
2 files changed, 55 insertions(+), 28 deletions(-)
create mode 100644 Documentation/devicetree/bindings/spi/socionext,uniphier-spi.yaml
delete mode 100644 Documentation/devicetree/bindings/spi/spi-uniphier.txt

diff --git a/Documentation/devicetree/bindings/spi/socionext,uniphier-spi.yaml b/Documentation/devicetree/bindings/spi/socionext,uniphier-spi.yaml
new file mode 100644
index 0000000..bab8bcc
--- /dev/null
+++ b/Documentation/devicetree/bindings/spi/socionext,uniphier-spi.yaml
@@ -0,0 +1,55 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/spi/socionext,uniphier-spi.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Socionext UniPhier SPI controller
+
+description: |
+ UniPhier SoCs have SCSSI which supports SPI single channel.
+
+maintainers:
+ - Kunihiko Hayashi <hayashi.kunihiko@xxxxxxxxxxxxx>
+ - Keiji Hayashibara <hayashibara.keiji@xxxxxxxxxxxxx>
+
+allOf:
+ - $ref: spi-controller.yaml#
+
+properties:
+ "#address-cells": true
+ "#size-cells": true
+
+ compatible:
+ const: socionext,uniphier-scssi
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+ clocks:
+ maxItems: 1
+
+ resets:
+ maxItems: 1
+
+required:
+ - compatible
+ - reg
+ - interrupts
+ - clocks
+ - resets

According to spi-controller.yaml, the "#address-cells" is required.
And the "#size-cells" is also required because it specifies "const: 0".
I'll add them in v2.

Thank you,

---
Best Regards
Kunihiko Hayashi