linux-kernel - [PATCH v2 4/4] gpio: dt-bindings: Update documentation with ast2600 controllers

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Message-Id: <20190905011800.16156-1-rashmica.g@gmail.com>
Date:   Thu,  5 Sep 2019 11:18:00 +1000
From:   Rashmica Gupta <rashmica.g@...il.com>
To:     linus.walleij@...aro.org
Cc:     Rashmica Gupta <rashmica.g@...il.com>,
        Bartosz Golaszewski <bgolaszewski@...libre.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Joel Stanley <joel@....id.au>,
        Andrew Jeffery <andrew@...id.au>, linux-gpio@...r.kernel.org,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-aspeed@...ts.ozlabs.org, linux-kernel@...r.kernel.org
Subject: [PATCH v2 4/4] gpio: dt-bindings: Update documentation with ast2600 controllers

The ast2600 is a new generation of SoC from ASPEED. Similarly to the
ast2400 and ast2500, it has a GPIO controller for it's 3.6V GPIO pins.
Additionally, it has a GPIO controller for 36 1.8V GPIO pins. These
voltages are fixed and cannot be configured via pinconf, so we have two
separate drivers for them.

Signed-off-by: Rashmica Gupta <rashmica.g@...il.com>
---
 Documentation/devicetree/bindings/gpio/gpio-aspeed.txt | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/gpio/gpio-aspeed.txt b/Documentation/devicetree/bindings/gpio/gpio-aspeed.txt
index 7e9b586770b0..cd388797e07c 100644
--- a/Documentation/devicetree/bindings/gpio/gpio-aspeed.txt
+++ b/Documentation/devicetree/bindings/gpio/gpio-aspeed.txt
@@ -2,7 +2,8 @@ Aspeed GPIO controller Device Tree Bindings
 -------------------------------------------
 
 Required properties:
-- compatible		: Either "aspeed,ast2400-gpio" or "aspeed,ast2500-gpio"
+- compatible		: Either "aspeed,ast2400-gpio", "aspeed,ast2500-gpio",
+					  "aspeed,ast2600-gpio", or "aspeed,ast2600-1-8v-gpio"
 
 - #gpio-cells 		: Should be two
 			  - First cell is the GPIO line number
-- 
2.20.1