From 45fde0d498dc77e5fc221960843fa377e0c70822 Mon Sep 17 00:00:00 2001 From: Sergei Shtylyov Date: Thu, 31 May 2018 23:26:49 +0300 Subject: arm64: dts: renesas: condor: add I2C0 support Define the Condor board dependent part of the I2C0 device node. The I2C0 bus is populated by 2 ON Semiconductor PCA9654 I/O expanders and Analog Devices ADV7511W HDMI transmitter (but we're only describing the former chips now). Signed-off-by: Sergei Shtylyov Signed-off-by: Simon Horman --- arch/arm64/boot/dts/renesas/r8a77980-condor.dts | 27 +++++++++++++++++++++++++ 1 file changed, 27 insertions(+) (limited to 'arch/arm64/boot/dts/renesas/r8a77980-condor.dts') diff --git a/arch/arm64/boot/dts/renesas/r8a77980-condor.dts b/arch/arm64/boot/dts/renesas/r8a77980-condor.dts index 0b93a7d76585..cc3ee25f4e2d 100644 --- a/arch/arm64/boot/dts/renesas/r8a77980-condor.dts +++ b/arch/arm64/boot/dts/renesas/r8a77980-condor.dts @@ -80,6 +80,28 @@ clock-frequency = <32768>; }; +&i2c0 { + pinctrl-0 = <&i2c0_pins>; + pinctrl-names = "default"; + + status = "okay"; + clock-frequency = <400000>; + + io_expander0: gpio@20 { + compatible = "onnn,pca9654"; + reg = <0x20>; + gpio-controller; + #gpio-cells = <2>; + }; + + io_expander1: gpio@21 { + compatible = "onnn,pca9654"; + reg = <0x21>; + gpio-controller; + #gpio-cells = <2>; + }; +}; + &mmc0 { pinctrl-0 = <&mmc_pins>; pinctrl-1 = <&mmc_pins_uhs>; @@ -104,6 +126,11 @@ function = "canfd0"; }; + i2c0_pins: i2c0 { + groups = "i2c0"; + function = "i2c0"; + }; + mmc_pins: mmc { groups = "mmc_data8", "mmc_ctrl", "mmc_ds"; function = "mmc"; -- cgit v1.2.3