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From: <Sergey.Semin@baikalelectronics.ru>
To: Linus Walleij <linus.walleij@linaro.org>,
	Bartosz Golaszewski <bgolaszewski@baylibre.com>,
	Rob Herring <robh+dt@kernel.org>,
	Mark Rutland <mark.rutland@arm.com>
Cc: Serge Semin <Sergey.Semin@baikalelectronics.ru>,
	Serge Semin <fancer.lancer@gmail.com>,
	Alexey Malahov <Alexey.Malahov@baikalelectronics.ru>,
	Thomas Bogendoerfer <tsbogend@alpha.franken.de>,
	Paul Burton <paulburton@kernel.org>,
	Ralf Baechle <ralf@linux-mips.org>, <linux-gpio@vger.kernel.org>,
	<devicetree@vger.kernel.org>, <linux-kernel@vger.kernel.org>
Subject: [PATCH 2/4] dt-bindings: gpio: Add DW GPIO debounce clocks bindings
Date: Fri, 6 Mar 2020 16:24:46 +0300	[thread overview]
Message-ID: <20200306132512.46E03803079F@mail.baikalelectronics.ru> (raw)
In-Reply-To: <20200306132448.13917-1-Sergey.Semin@baikalelectronics.ru>

From: Serge Semin <Sergey.Semin@baikalelectronics.ru>

Port A of the DW GPIO controller may optionally have a debounce
logic enabled if it was synthesized with corresponding functionality
enabled. In this case a dedicated reference clocks should be provided
to the node with "db" clock-names.

Signed-off-by: Serge Semin <Sergey.Semin@baikalelectronics.ru>
Signed-off-by: Alexey Malahov <Alexey.Malahov@baikalelectronics.ru>
Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Cc: Paul Burton <paulburton@kernel.org>
Cc: Ralf Baechle <ralf@linux-mips.org>
---
 Documentation/devicetree/bindings/gpio/snps,dw-apb-gpio.yaml | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Documentation/devicetree/bindings/gpio/snps,dw-apb-gpio.yaml b/Documentation/devicetree/bindings/gpio/snps,dw-apb-gpio.yaml
index d9bc12e9e515..8b510802f5bc 100644
--- a/Documentation/devicetree/bindings/gpio/snps,dw-apb-gpio.yaml
+++ b/Documentation/devicetree/bindings/gpio/snps,dw-apb-gpio.yaml
@@ -31,12 +31,16 @@ properties:
     maxItems: 1
 
   clocks:
+    minItems: 1
     items:
       - description: APB interface clock source
+      - description: DW GPIO debounce reference clock source
 
   clock-names:
+    minItems: 1
     items:
       - const: bus
+      - const: db
 
   resets:
     maxItems: 1
-- 
2.25.1


  parent reply	other threads:[~2020-03-06 13:33 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20200306132448.13917-1-Sergey.Semin@baikalelectronics.ru>
2020-03-06 13:24 ` [PATCH 1/4] dt-bindings: gpio: Replace DW APB GPIO legacy bindings with YAML-based one Sergey.Semin
2020-03-12 13:47   ` Rob Herring
2020-03-13 18:40     ` Sergey Semin
2020-03-13 18:53       ` Rob Herring
2020-03-06 13:24 ` Sergey.Semin [this message]
2020-03-12 21:44   ` [PATCH 2/4] dt-bindings: gpio: Add DW GPIO debounce clocks bindings Rob Herring
2020-03-06 13:24 ` [PATCH 3/4] gpio: dwapb: Use optional-clocks interface for APB ref-clocks Sergey.Semin
2020-03-12 13:53   ` Linus Walleij
2020-03-06 13:24 ` [PATCH 4/4] gpio: dwapb: Add debounce reference clock support Sergey.Semin
2020-03-12 13:55   ` Linus Walleij
2020-03-12 13:56     ` Linus Walleij
2020-03-10  0:23 ` [PATCH 0/4] gpio: dwapb: Fix reference clocks usage Sergey Semin

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