[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <20220427144620.9105-3-pmalgujar@marvell.com>
Date: Wed, 27 Apr 2022 07:46:17 -0700
From: Piyush Malgujar <pmalgujar@...vell.com>
To: <linux-gpio@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
<devicetree@...r.kernel.org>
CC: <linus.walleij@...aro.org>, <brgl@...ev.pl>, <robh+dt@...nel.org>,
<krzysztof.kozlowski+dt@...aro.org>, <rric@...nel.org>,
<cchavva@...vell.com>, <wsadowski@...vell.com>,
Piyush Malgujar <pmalgujar@...vell.com>
Subject: [PATCH 2/5] dt-bindings: gpio: gpio-thunderx: Describe pin-cfg option
Add support for pin-cfg to configure GPIO Pins
Signed-off-by: Piyush Malgujar <pmalgujar@...vell.com>
---
Documentation/devicetree/bindings/gpio/gpio-thunderx.txt | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/Documentation/devicetree/bindings/gpio/gpio-thunderx.txt b/Documentation/devicetree/bindings/gpio/gpio-thunderx.txt
index 3f883ae29d116887e702ead20b26a25f9d2349d5..05f0be98afdcae941ff8a24c3fdabd8af83ccb87 100644
--- a/Documentation/devicetree/bindings/gpio/gpio-thunderx.txt
+++ b/Documentation/devicetree/bindings/gpio/gpio-thunderx.txt
@@ -14,6 +14,9 @@ Optional Properties:
"interrupt-controller" is present.
- First cell is the GPIO pin number relative to the controller.
- Second cell is triggering flags as defined in interrupts.txt.
+- pin-cfg: Configuration of pin's function, filters, XOR and output mode.
+ - First cell is the GPIO pin number
+ - Second cell is a value written to GPIO_BIT_CFG register at driver probe.
Example:
@@ -24,4 +27,5 @@ gpio_6_0: gpio@6,0 {
#gpio-cells = <2>;
interrupt-controller;
#interrupt-cells = <2>;
+ pin-cfg = <57 0x2300000>, <58 0x2500000>;
};
--
2.17.1
Powered by blists - more mailing lists