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Message-Id: <20220902060426.2980951-2-jay.xu@rock-chips.com>
Date: Fri, 2 Sep 2022 14:04:25 +0800
From: Jianqun Xu <jay.xu@...k-chips.com>
To: linus.walleij@...aro.org, heiko@...ech.de
Cc: devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
robh+dt@...nel.org, krzysztof.kozlowski+dt@...aro.org,
linux-gpio@...r.kernel.org, linux-rockchip@...ts.infradead.org,
Jianqun Xu <jay.xu@...k-chips.com>
Subject: [PATCH 1/2] dt-bindings: gpio: rockchip: add clock-names
Add 'clock-names' to the gpio dt node. so the driver could get clocks by
a const char id, this patch names the clock-names as
- 'bus': the apb clock for cpu to access the gpio controller
- 'db': the debounce clock for cpu to set debounce clock rate
Since the old dt nodes may have no clock-names, this patch not make them
as part of 'required properties'.
Signed-off-by: Jianqun Xu <jay.xu@...k-chips.com>
---
.../devicetree/bindings/gpio/rockchip,gpio-bank.yaml | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/Documentation/devicetree/bindings/gpio/rockchip,gpio-bank.yaml b/Documentation/devicetree/bindings/gpio/rockchip,gpio-bank.yaml
index affd823c881d..d43d4c71bebf 100644
--- a/Documentation/devicetree/bindings/gpio/rockchip,gpio-bank.yaml
+++ b/Documentation/devicetree/bindings/gpio/rockchip,gpio-bank.yaml
@@ -27,6 +27,12 @@ properties:
- description: APB interface clock source
- description: GPIO debounce reference clock source
+ clock-names:
+ minItems: 1
+ items:
+ - const: bus
+ - const: db
+
gpio-ranges: true
gpio-controller: true
--
2.25.1
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