aboutsummaryrefslogtreecommitdiff
path: root/doc
diff options
context:
space:
mode:
authorTom Rini <trini@konsulko.com>2018-04-11 17:00:52 -0400
committerTom Rini <trini@konsulko.com>2018-04-11 17:00:52 -0400
commit1a7cdb88f58edc5f34f3cb6ba354022827a50b38 (patch)
tree2270d7b5750ecc335c8ff9fe03480226ca4fda9f /doc
parentd79dfd4519c3f357a2523acfeb26eca6f59eae4d (diff)
parente5c762f5a7dbeaa21870720e8daf656153e1aef9 (diff)
downloadu-boot-1a7cdb88f58edc5f34f3cb6ba354022827a50b38.zip
u-boot-1a7cdb88f58edc5f34f3cb6ba354022827a50b38.tar.gz
u-boot-1a7cdb88f58edc5f34f3cb6ba354022827a50b38.tar.bz2
Merge git://git.denx.de/u-boot-i2c
Diffstat (limited to 'doc')
-rw-r--r--doc/device-tree-bindings/i2c/i2c.txt13
1 files changed, 13 insertions, 0 deletions
diff --git a/doc/device-tree-bindings/i2c/i2c.txt b/doc/device-tree-bindings/i2c/i2c.txt
index ea918dd..de818d4 100644
--- a/doc/device-tree-bindings/i2c/i2c.txt
+++ b/doc/device-tree-bindings/i2c/i2c.txt
@@ -12,6 +12,11 @@ property which allows the chip offset length to be selected.
Optional properties:
- u-boot,i2c-offset-len - length of chip offset in bytes. If omitted the
default value of 1 is used.
+- gpios = <sda ...>, <scl ...>;
+ pinctrl-names = "default", "gpio";
+ pinctrl-0 = <&i2c_xfer>;
+ pinctrl-1 = <&i2c_gpio>;
+ Pin description for I2C bus software deblocking.
Example
@@ -26,3 +31,11 @@ i2c4: i2c@12ca0000 {
ec-interrupt = <&gpx1 6 GPIO_ACTIVE_LOW>;
};
};
+
+&i2c1 {
+ pinctrl-names = "default", "gpio";
+ pinctrl-0 = <&i2c1_xfer>;
+ pinctrl-1 = <&i2c1_gpio>;
+ gpios = <&gpio1 26 GPIO_ACTIVE_LOW>, /* SDA */
+ <&gpio1 27 GPIO_ACTIVE_LOW>; /* SCL */
+};