linux-kernel - [PATCH v2 01/10] dt-bindings: gpio: dwapb: Add ngpios property support

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Message-ID: <20200730135536.19747-2-Sergey.Semin@baikalelectronics.ru>
Date:   Thu, 30 Jul 2020 16:55:27 +0300
From:   Serge Semin <Sergey.Semin@...kalelectronics.ru>
To:     Hoan Tran <hoan@...amperecomputing.com>,
        Linus Walleij <linus.walleij@...aro.org>,
        Bartosz Golaszewski <bgolaszewski@...libre.com>,
        Serge Semin <fancer.lancer@...il.com>,
        Rob Herring <robh+dt@...nel.org>
CC:     Serge Semin <Sergey.Semin@...kalelectronics.ru>,
        Andy Shevchenko <andy.shevchenko@...il.com>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Alexey Malahov <Alexey.Malahov@...kalelectronics.ru>,
        Pavel Parkhomenko <Pavel.Parkhomenko@...kalelectronics.ru>,
        <linux-gpio@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, Rob Herring <robh@...nel.org>
Subject: [PATCH v2 01/10] dt-bindings: gpio: dwapb: Add ngpios property support

It's redundant to have a vendor-specific property describing a number of
GPIOS while there is a generic one. Let's mark the former one as
deprecated and define the "ngpios" property supported with constraints
of being within [1; 32] range.

Signed-off-by: Serge Semin <Sergey.Semin@...kalelectronics.ru>
Reviewed-by: Rob Herring <robh@...nel.org>
---
 .../devicetree/bindings/gpio/snps,dw-apb-gpio.yaml          | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Documentation/devicetree/bindings/gpio/snps,dw-apb-gpio.yaml b/Documentation/devicetree/bindings/gpio/snps,dw-apb-gpio.yaml
index 1240f6289249..b391cc1b4590 100644
--- a/Documentation/devicetree/bindings/gpio/snps,dw-apb-gpio.yaml
+++ b/Documentation/devicetree/bindings/gpio/snps,dw-apb-gpio.yaml
@@ -61,8 +61,14 @@ patternProperties:
       '#gpio-cells':
         const: 2
 
+      ngpios:
+        default: 32
+        minimum: 1
+        maximum: 32
+
       snps,nr-gpios:
         description: The number of GPIO pins exported by the port.
+        deprecated: true
         $ref: /schemas/types.yaml#/definitions/uint32
         default: 32
         minimum: 1
-- 
2.27.0