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Message-Id: <20221208123944.v11.2.I9e018ecb8bdf341648cb64417085978ff0d22a46@changeid>
Date: Thu, 8 Dec 2022 12:39:51 -0700
From: Mark Hasemeyer <markhas@...omium.org>
To: LKML <linux-kernel@...r.kernel.org>
Cc: Raul Rangel <rrangel@...omium.org>,
Bhanu Prakash Maiya <bhanumaiya@...omium.org>,
Mark Hasemeyer <markhas@...omium.org>,
Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
Benson Leung <bleung@...omium.org>,
Guenter Roeck <groeck@...omium.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Lee Jones <lee@...nel.org>, Rob Herring <robh+dt@...nel.org>,
chrome-platform@...ts.linux.dev, devicetree@...r.kernel.org
Subject: [PATCH v11 2/3] dt-bindings: mfd: cros-ec: Add UART compatible string
From: Bhanu Prakash Maiya <bhanumaiya@...omium.org>
Add a compatible string to support the UART implementation of the cros
ec interface. The driver does not support the reg and interrupt
properties, so exempt them from being required for UART compatible nodes.
Signed-off-by: Bhanu Prakash Maiya <bhanumaiya@...omium.org>
Co-developed-by: Mark Hasemeyer <markhas@...omium.org>
Signed-off-by: Mark Hasemeyer <markhas@...omium.org>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
---
Changes in v11:
- Update commit message to include device
Changes in v10:
- No change
Changes in v9:
- Rebase onto for-next
- Update node-name from uart0 to serial
- Remove reg and interrupt property requirement for UART compatible
nodes.
- Update authorship
Changes in v8:
- Update commit message
Changes in v7:
- No change
Changes in v6:
- No change
Changes in v5:
- No change
Changes in v4:
- Changes in commit message.
Changes in v3:
- Rebased changes on google,cros-ec.yaml
Changes in v2:
- No change
---
.../bindings/mfd/google,cros-ec.yaml | 20 +++++++++++++++++++
1 file changed, 20 insertions(+)
diff --git a/Documentation/devicetree/bindings/mfd/google,cros-ec.yaml b/Documentation/devicetree/bindings/mfd/google,cros-ec.yaml
index 3d5efa5578d1b..cdf1d719efe9d 100644
--- a/Documentation/devicetree/bindings/mfd/google,cros-ec.yaml
+++ b/Documentation/devicetree/bindings/mfd/google,cros-ec.yaml
@@ -33,6 +33,9 @@ properties:
- description:
For implementations of the EC connected through RPMSG.
const: google,cros-ec-rpmsg
+ - description:
+ For implementations of the EC connected through UART.
+ const: google,cros-ec-uart
controller-data: true
@@ -187,6 +190,15 @@ allOf:
properties:
mediatek,rpmsg-name: false
+ - if:
+ properties:
+ compatible:
+ not:
+ contains:
+ enum:
+ - google,cros-ec-rpmsg
+ - google,cros-ec-uart
+ then:
required:
- reg
- interrupts
@@ -299,4 +311,12 @@ examples:
vdd-supply = <&pp3300_fp_mcu>;
};
};
+
+ # Example for UART
+ - |
+ serial {
+ cros-ec {
+ compatible = "google,cros-ec-uart";
+ };
+ };
...
--
2.39.0.rc1.256.g54fd8350bd-goog
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