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dt-bindings: pinctrl: bcm2835-gpio: Document BCM7211 compatible

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BCM7211 has a slightly different block layout and some additional GPIO
registers that were added, document the compatible string.

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Reviewed-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Florian Fainelli 2019-05-09 13:59:53 -07:00 committed by Linus Walleij
parent 2484ae57c2
commit f3fbedabb7
1 changed files with 3 additions and 0 deletions
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Documentation/devicetree/bindings/pinctrl/brcm,bcm2835-gpio.txt
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@ -5,6 +5,9 @@ controller, and pinmux/control device.
Required properties:
- compatible: "brcm,bcm2835-gpio"
- compatible: should be one of:
"brcm,bcm2835-gpio" - BCM2835 compatible pinctrl
"brcm,bcm7211-gpio" - BCM7211 compatible pinctrl
- reg: Should contain the physical address of the GPIO module's registers.
- gpio-controller: Marks the device node as a GPIO controller.
- #gpio-cells : Should be two. The first cell is the pin number and the