| From 9013416f126d82fc8e6a23c4bac1479c92834b44 Mon Sep 17 00:00:00 2001 |
| From: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> |
| Date: Sat, 3 Mar 2018 22:07:16 +0300 |
| Subject: [PATCH 1027/1795] 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> |
| (cherry picked from commit 7859eb31e4d457496ace72965f2fbb50e836ef12) |
| Signed-off-by: Simon Horman <horms+renesas@verge.net.au> |
| Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> |
| --- |
| .../arm64/boot/dts/renesas/r8a77970-eagle.dts | 20 +++++++++++++++++++ |
| 1 file changed, 20 insertions(+) |
| |
| 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"; |
| -- |
| 2.19.0 |
| |