linux-kernel - [PATCH 1/3] dt-bindings: pinctrl: at91-pio4: add slew-rate

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Message-ID: <1611569954-23279-2-git-send-email-claudiu.beznea@microchip.com>
Date:   Mon, 25 Jan 2021 12:19:12 +0200
From:   Claudiu Beznea <claudiu.beznea@...rochip.com>
To:     <linus.walleij@...aro.org>, <robh+dt@...nel.org>,
        <nicolas.ferre@...rochip.com>, <alexandre.belloni@...tlin.com>,
        <ludovic.desroches@...rochip.com>
CC:     <linux-gpio@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>,
        Claudiu Beznea <claudiu.beznea@...rochip.com>
Subject: [PATCH 1/3] dt-bindings: pinctrl: at91-pio4: add slew-rate

Document slew-rate DT binding for SAMA7G5.

Signed-off-by: Claudiu Beznea <claudiu.beznea@...rochip.com>
---
 .../devicetree/bindings/pinctrl/atmel,at91-pio4-pinctrl.txt       | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/Documentation/devicetree/bindings/pinctrl/atmel,at91-pio4-pinctrl.txt b/Documentation/devicetree/bindings/pinctrl/atmel,at91-pio4-pinctrl.txt
index 265015bc0603..e2b861ce16d8 100644
--- a/Documentation/devicetree/bindings/pinctrl/atmel,at91-pio4-pinctrl.txt
+++ b/Documentation/devicetree/bindings/pinctrl/atmel,at91-pio4-pinctrl.txt
@@ -35,9 +35,11 @@ ioset settings. Use the macros from boot/dts/<soc>-pinfunc.h file to get the
 right representation of the pin.
 
 Optional properties:
-- GENERIC_PINCONFIG: generic pinconfig options to use, bias-disable,
-bias-pull-down, bias-pull-up, drive-open-drain, input-schmitt-enable,
-input-debounce, output-low, output-high.
+- GENERIC_PINCONFIG: generic pinconfig options to use:
+	- bias-disable, bias-pull-down, bias-pull-up, drive-open-drain,
+	  input-schmitt-enable, input-debounce, output-low, output-high.
+	- for microchip,sama7g5-pinctrl only:
+		- slew-rate: 0 - disabled, 1 - enabled (default)
 - atmel,drive-strength: 0 or 1 for low drive, 2 for medium drive and 3 for
 high drive. The default value is low drive.
 
-- 
2.7.4