From: David Mosberger-Tang <davidm@egauge.net>
To: Ajay Singh <ajay.kathat@microchip.com>
Cc: Adham Abozaeid <adham.abozaeid@microchip.com>,
Claudiu Beznea <claudiu.beznea@microchip.com>,
"David S. Miller" <davem@davemloft.net>,
devicetree@vger.kernel.org, Jakub Kicinski <kuba@kernel.org>,
Kalle Valo <kvalo@codeaurora.org>,
linux-kernel@vger.kernel.org, linux-wireless@vger.kernel.org,
netdev@vger.kernel.org, Rob Herring <robh+dt@kernel.org>,
David Mosberger-Tang <davidm@egauge.net>
Subject: [PATCH v6 2/2] wilc1000: Document enable-gpios and reset-gpios properties
Date: Mon, 20 Dec 2021 18:03:38 +0000 (UTC) [thread overview]
Message-ID: <20211220180334.3990693-3-davidm@egauge.net> (raw)
In-Reply-To: <20211220180334.3990693-1-davidm@egauge.net>
Add documentation for the ENABLE and RESET GPIOs that may be needed by
wilc1000-spi.
Signed-off-by: David Mosberger-Tang <davidm@egauge.net>
---
.../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
next prev parent reply other threads:[~2021-12-20 18:03 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-12-20 18:03 [PATCH v6 0/2] wilc1000: Add reset/enable GPIO support to SPI driver David Mosberger-Tang
2021-12-20 18:03 ` David Mosberger-Tang [this message]
2021-12-21 15:12 ` [PATCH v6 2/2] wilc1000: Document enable-gpios and reset-gpios properties Rob Herring
2021-12-21 16:06 ` David Mosberger-Tang
2021-12-21 16:28 ` Kalle Valo
2021-12-20 18:03 ` [PATCH v6 1/2] wilc1000: Add reset/enable GPIO support to SPI driver David Mosberger-Tang
2021-12-21 18:11 ` Kalle Valo
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