From 3ef8af133e87d631cf96833e114ca55112096e1d Mon Sep 17 00:00:00 2001 From: Marcel Ziswiler Date: Sun, 2 Sep 2018 12:08:31 +0200 Subject: [PATCH] ARM: tegra: colibri_t20: iris: integrate i2c real time clock support Integrate support for GEN1_I2C aka I2C_SDA/SCL on SODIMM pin 194/196 and the M41T0M6 real time clock on the carrier board. Signed-off-by: Marcel Ziswiler Signed-off-by: Thierry Reding --- arch/arm/boot/dts/tegra20-colibri-iris.dts | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/arch/arm/boot/dts/tegra20-colibri-iris.dts b/arch/arm/boot/dts/tegra20-colibri-iris.dts index 496b96e..b6d05da 100644 --- a/arch/arm/boot/dts/tegra20-colibri-iris.dts +++ b/arch/arm/boot/dts/tegra20-colibri-iris.dts @@ -56,6 +56,21 @@ status = "okay"; }; + /* + * GEN1_I2C: I2C_SDA/SCL on SODIMM pin 194/196 (e.g. RTC on carrier + * board) + */ + i2c@7000c000 { + status = "okay"; + clock-frequency = <400000>; + + /* M41T0M6 real time clock on carrier board */ + rtc@68 { + compatible = "st,m41t0"; + reg = <0x68>; + }; + }; + i2c_ddc: i2c@7000c400 { status = "okay"; }; -- 2.7.4