diff options
| author | Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> | 2018-03-03 22:07:16 +0300 |
|---|---|---|
| committer | Simon Horman <horms+renesas@verge.net.au> | 2018-03-13 21:16:18 +0300 |
| commit | 7859eb31e4d457496ace72965f2fbb50e836ef12 (patch) | |
| tree | 4745ed0d6fd5fa7821ea8f4b83cf5fd74e38febb /arch/arm64/boot/dts/renesas/r8a77970-eagle.dts | |
| parent | cbfa278e20913a9b8380278149fa7e4068ea82e2 (diff) | |
| download | linux-7859eb31e4d457496ace72965f2fbb50e836ef12.tar.xz | |
arm64: dts: renesas: eagle: add I2C0 support
Define the Eagle board dependent part of the I2C0 device node.
The I2C0 bus is populated by ON Semiconductor PCA9653 I/O expander and
Analog Devices ADV7511W HDMI transmitter (but we're only describing the
former chip now).
Based on the original (and large) patch by Vladimir Barinov.
Signed-off-by: Vladimir Barinov <vladimir.barinov@cogentembedded.com>
Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Diffstat (limited to 'arch/arm64/boot/dts/renesas/r8a77970-eagle.dts')
| -rw-r--r-- | arch/arm64/boot/dts/renesas/r8a77970-eagle.dts | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/renesas/r8a77970-eagle.dts b/arch/arm64/boot/dts/renesas/r8a77970-eagle.dts index fd3448deb714..3c5f598c9766 100644 --- a/arch/arm64/boot/dts/renesas/r8a77970-eagle.dts +++ b/arch/arm64/boot/dts/renesas/r8a77970-eagle.dts @@ -55,7 +55,27 @@ clock-frequency = <32768>; }; +&i2c0 { + pinctrl-0 = <&i2c0_pins>; + pinctrl-names = "default"; + + status = "okay"; + clock-frequency = <400000>; + + io_expander: gpio@20 { + compatible = "onnn,pca9654"; + reg = <0x20>; + gpio-controller; + #gpio-cells = <2>; + }; +}; + &pfc { + i2c0_pins: i2c0 { + groups = "i2c0"; + function = "i2c0"; + }; + scif0_pins: scif0 { groups = "scif0_data"; function = "scif0"; |