linux-kernel - [PATCH v2 05/12] dt-bindings: serial: cdsn,uart: add power-domains

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Message-Id: <20230124091916.45054-3-krzysztof.kozlowski@linaro.org>
Date:   Tue, 24 Jan 2023 10:19:09 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Neil Armstrong <neil.armstrong@...aro.org>,
        Kevin Hilman <khilman@...libre.com>,
        Jerome Brunet <jbrunet@...libre.com>,
        Martin Blumenstingl <martin.blumenstingl@...glemail.com>,
        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>,
        Palmer Dabbelt <palmer@...belt.com>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Alexandre Torgue <alexandre.torgue@...s.st.com>,
        Lubomir Rintel <lkundrak@...sk>,
        Vignesh Raghavendra <vigneshr@...com>,
        Michal Simek <michal.simek@...inx.com>,
        Chester Lin <clin@...e.com>, Fugang Duan <fugang.duan@....com>,
        Magnus Damm <magnus.damm@...il.com>,
        Geert Uytterhoeven <geert+renesas@...der.be>,
        Pragnesh Patel <pragnesh.patel@...ive.com>,
        Le Ray <erwan.leray@...s.st.com>,
        Peter Korsgaard <jacmet@...site.dk>,
        Tomer Maimon <tmaimon77@...il.com>,
        linux-serial@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-amlogic@...ts.infradead.org, linux-riscv@...ts.infradead.org,
        linux-stm32@...md-mailman.stormreply.com
Cc:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        Michal Simek <michal.simek@....com>
Subject: [PATCH v2 05/12] dt-bindings: serial: cdsn,uart: add power-domains

Few Xilinx DTS have power domains in serial node:

  zynqmp-zc1232-revA.dtb: serial@...00000: Unevaluated properties are not allowed ('power-domains' was unexpected)

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Reviewed-by: Michal Simek <michal.simek@....com>
---
 .../devicetree/bindings/serial/cdns,uart.yaml   | 17 ++++++++++++++---
 1 file changed, 14 insertions(+), 3 deletions(-)

diff --git a/Documentation/devicetree/bindings/serial/cdns,uart.yaml b/Documentation/devicetree/bindings/serial/cdns,uart.yaml
index 0c118d5336cc..38925b79cb38 100644
--- a/Documentation/devicetree/bindings/serial/cdns,uart.yaml
+++ b/Documentation/devicetree/bindings/serial/cdns,uart.yaml
@@ -9,9 +9,6 @@ title: Cadence UART Controller
 maintainers:
   - Michal Simek <michal.simek@...inx.com>
 
-allOf:
-  - $ref: serial.yaml#
-
 properties:
   compatible:
     oneOf:
@@ -46,6 +43,9 @@ properties:
       port does not use this pin.
     type: boolean
 
+  power-domains:
+    maxItems: 1
+
 required:
   - compatible
   - reg
@@ -53,6 +53,17 @@ required:
   - clocks
   - clock-names
 
+allOf:
+  - $ref: serial.yaml#
+  - if:
+      properties:
+        compatible:
+          contains:
+            const: cdns,uart-r1p8
+    then:
+      properties:
+        power-domains: false
+
 unevaluatedProperties: false
 
 examples:
-- 
2.34.1