linux-kernel - [PATCH v3 3/4] dt-bindings: i2c: imx: Add properties and use unevaluatedProperties

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Message-Id: <20200910182244.5815-3-krzk@kernel.org>
Date:   Thu, 10 Sep 2020 20:22:43 +0200
From:   Krzysztof Kozlowski <krzk@...nel.org>
To:     Rob Herring <robh+dt@...nel.org>, Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        Fabio Estevam <festevam@...il.com>,
        NXP Linux Team <linux-imx@....com>,
        Krzysztof Kozlowski <krzk@...nel.org>,
        Wolfram Sang <wolfram@...-dreams.de>,
        linux-i2c@...r.kernel.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH v3 3/4] dt-bindings: i2c: imx: Add properties and use unevaluatedProperties

Additional properties actually might appear (e.g. power-domains) so
describe all typical properties, reference generic i2c schema and use
unevaluatedProperties to fix dtbs_check warnings like:

  arch/arm64/boot/dts/freescale/imx8mn-evk.dt.yaml: i2c@...20000:
    '#address-cells', '#size-cells', 'pmic@25' do not match any of the regexes: 'pinctrl-[0-9]+'

Signed-off-by: Krzysztof Kozlowski <krzk@...nel.org>

---

Changes since v2:
1. None

Changes since v1:
1. Add more properties and include /schemas/i2c/i2c-controller.yaml#
---
 Documentation/devicetree/bindings/i2c/i2c-imx.yaml | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/i2c/i2c-imx.yaml b/Documentation/devicetree/bindings/i2c/i2c-imx.yaml
index 810536953177..19c9daba6e9f 100644
--- a/Documentation/devicetree/bindings/i2c/i2c-imx.yaml
+++ b/Documentation/devicetree/bindings/i2c/i2c-imx.yaml
@@ -9,6 +9,9 @@ title: Freescale Inter IC (I2C) and High Speed Inter IC (HS-I2C) for i.MX
 maintainers:
   - Wolfram Sang <wolfram@...-dreams.de>
 
+allOf:
+  - $ref: /schemas/i2c/i2c-controller.yaml#
+
 properties:
   compatible:
     oneOf:
@@ -38,6 +41,9 @@ properties:
               - fsl,imx8mp-i2c
           - const: fsl,imx21-i2c
 
+  '#address-cells': true
+  '#size-cells': true
+
   reg:
     maxItems: 1
 
@@ -75,7 +81,7 @@ required:
   - interrupts
   - clocks
 
-additionalProperties: false
+unevaluatedProperties: false
 
 examples:
   - |
-- 
2.17.1