[PATCH] gpio: fix description for gpio-ranges example

[Uwe Kleine-König <u.kleine-koenig@xxxxxxxxxxxxxx>]

The length of the second entry is 20, so it affects GPIOs 10..29.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@xxxxxxxxxxxxxx>
---
 Documentation/devicetree/bindings/gpio/gpio.txt | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Documentation/devicetree/bindings/gpio/gpio.txt b/Documentation/devicetree/bindings/gpio/gpio.txt
index 84ede036f73d..2209c163f2a5 100644
--- a/Documentation/devicetree/bindings/gpio/gpio.txt
+++ b/Documentation/devicetree/bindings/gpio/gpio.txt
@@ -280,12 +280,12 @@ Example 1:
 		gpio-controller;
 		gpio-ranges = <&pinctrl1 0 20 10>, <&pinctrl2 10 50 20>;
 	};
 
 Here, a single GPIO controller has GPIOs 0..9 routed to pin controller
-pinctrl1's pins 20..29, and GPIOs 10..19 routed to pin controller pinctrl2's
-pins 50..59.
+pinctrl1's pins 20..29, and GPIOs 10..29 routed to pin controller pinctrl2's
+pins 50..69.
 
 Example 2:
 
 	gpio_pio_i: gpio-controller@14B0 {
 		#gpio-cells = <2>;
-- 
2.11.0

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