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Message-Id: <20211221212531.4011609-3-davidm@egauge.net>
Date: Tue, 21 Dec 2021 21:25:34 +0000 (UTC)
From: David Mosberger-Tang <davidm@...uge.net>
To: Ajay Singh <ajay.kathat@...rochip.com>
Cc: Adham Abozaeid <adham.abozaeid@...rochip.com>,
Claudiu Beznea <claudiu.beznea@...rochip.com>,
"David S. Miller" <davem@...emloft.net>,
devicetree@...r.kernel.org, Jakub Kicinski <kuba@...nel.org>,
Kalle Valo <kvalo@...nel.org>, linux-kernel@...r.kernel.org,
linux-wireless@...r.kernel.org, netdev@...r.kernel.org,
Rob Herring <robh+dt@...nel.org>,
David Mosberger-Tang <davidm@...uge.net>,
Rob Herring <robh@...nel.org>
Subject: [PATCH v7 2/2] wilc1000: Document enable-gpios and reset-gpios
properties
Add documentation for the ENABLE and RESET GPIOs that may be needed by
wilc1000-spi.
Signed-off-by: David Mosberger-Tang <davidm@...uge.net>
Reviewed-by: Rob Herring <robh@...nel.org>
---
.../net/wireless/microchip,wilc1000.yaml | 19 +++++++++++++++++++
1 file changed, 19 insertions(+)
diff --git a/Documentation/devicetree/bindings/net/wireless/microchip,wilc1000.yaml b/Documentation/devicetree/bindings/net/wireless/microchip,wilc1000.yaml
index 6c35682377e6d..60de78f1bc7b9 100644
--- a/Documentation/devicetree/bindings/net/wireless/microchip,wilc1000.yaml
+++ b/Documentation/devicetree/bindings/net/wireless/microchip,wilc1000.yaml
@@ -32,6 +32,21 @@ properties:
clock-names:
const: rtc
+ enable-gpios:
+ maxItems: 1
+ description: Used by wilc1000-spi to determine the GPIO line
+ connected to the ENABLE line. If specified, reset-gpios
+ must be specified as well as otherwise the driver cannot
+ ensure the timing required between asserting ENABLE
+ and deasserting RESET. This should be declared as an
+ active-high signal.
+
+ reset-gpios:
+ maxItems: 1
+ description: Used by wilc1000-spi to determine the GPIO line
+ connected to the RESET line. This should be declared as an
+ active-low signal.
+
required:
- compatible
- interrupts
@@ -40,6 +55,8 @@ additionalProperties: false
examples:
- |
+ #include <dt-bindings/gpio/gpio.h>
+
spi {
#address-cells = <1>;
#size-cells = <0>;
@@ -51,6 +68,8 @@ examples:
interrupts = <27 0>;
clocks = <&pck1>;
clock-names = "rtc";
+ enable-gpios = <&pioA 5 GPIO_ACTIVE_HIGH>;
+ reset-gpios = <&pioA 6 GPIO_ACTIVE_LOW>;
};
};
--
2.25.1
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