linux-kernel - [PATCH] dt-bindings: gpio: zynq: Describe gpio-line-names

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Message-Id: <4b9db94cdd8ca106feee53f76fab2a23721f7d2a.1634290039.git.michal.simek@xilinx.com>
Date:   Fri, 15 Oct 2021 11:27:23 +0200
From:   Michal Simek <michal.simek@...inx.com>
To:     linux-kernel@...r.kernel.org, monstr@...str.eu,
        michal.simek@...inx.com, git@...inx.com
Cc:     Bartosz Golaszewski <bgolaszewski@...libre.com>,
        Linus Walleij <linus.walleij@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Shubhrajyoti Datta <shubhrajyoti.datta@...inx.com>,
        Srinivas Neeli <srinivas.neeli@...inx.com>,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-gpio@...r.kernel.org
Subject: [PATCH] dt-bindings: gpio: zynq: Describe gpio-line-names

Number of lines depends on compatible string from 58 to 174.
That's why it is checked based on it.

Signed-off-by: Michal Simek <michal.simek@...inx.com>
---

 .../devicetree/bindings/gpio/gpio-zynq.yaml   | 50 +++++++++++++++++++
 1 file changed, 50 insertions(+)

diff --git a/Documentation/devicetree/bindings/gpio/gpio-zynq.yaml b/Documentation/devicetree/bindings/gpio/gpio-zynq.yaml
index da95b951c23e..29c27eadbac8 100644
--- a/Documentation/devicetree/bindings/gpio/gpio-zynq.yaml
+++ b/Documentation/devicetree/bindings/gpio/gpio-zynq.yaml
@@ -28,6 +28,11 @@ properties:
 
   gpio-controller: true
 
+  gpio-line-names:
+    description: strings describing the names of each gpio line
+    minItems: 58
+    maxItems: 174
+
   interrupt-controller: true
 
   "#interrupt-cells":
@@ -39,6 +44,51 @@ properties:
   power-domains:
     maxItems: 1
 
+allOf:
+  - if:
+      properties:
+        compatible:
+          enum:
+            - xlnx,zynqmp-gpio-1.0
+    then:
+      properties:
+        gpio-line-names:
+          minItems: 174
+          maxItems: 174
+
+  - if:
+      properties:
+        compatible:
+          enum:
+            - xlnx,zynq-gpio-1.0
+    then:
+      properties:
+        gpio-line-names:
+          minItems: 118
+          maxItems: 118
+
+  - if:
+      properties:
+        compatible:
+          enum:
+            - xlnx,versal-gpio-1.0
+    then:
+      properties:
+        gpio-line-names:
+          minItems: 58
+          maxItems: 58
+
+  - if:
+      properties:
+        compatible:
+          enum:
+            - xlnx,pmc-gpio-1.0
+    then:
+      properties:
+        gpio-line-names:
+          minItems: 116
+          maxItems: 116
+
 required:
   - compatible
   - reg
-- 
2.33.1