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Message-Id: <20180902100906.25792-3-marcel@ziswiler.com>
Date: Sun, 2 Sep 2018 12:08:31 +0200
From: Marcel Ziswiler <marcel@...wiler.com>
To: devicetree@...r.kernel.org, linux-tegra@...r.kernel.org,
linux-kernel@...r.kernel.org
Cc: Marcel Ziswiler <marcel.ziswiler@...adex.com>,
Thierry Reding <thierry.reding@...il.com>,
Jonathan Hunter <jonathanh@...dia.com>,
Rob Herring <robh+dt@...nel.org>,
Mark Rutland <mark.rutland@....com>
Subject: [PATCH v2 02/37] ARM: tegra: colibri_t20: iris: integrate i2c real time clock support
From: Marcel Ziswiler <marcel.ziswiler@...adex.com>
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 <marcel.ziswiler@...adex.com>
---
Changes in v2: None
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 496b96e229d2..b6d05da8c93c 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@...0c000 {
+ status = "okay";
+ clock-frequency = <400000>;
+
+ /* M41T0M6 real time clock on carrier board */
+ rtc@68 {
+ compatible = "st,m41t0";
+ reg = <0x68>;
+ };
+ };
+
i2c_ddc: i2c@...0c400 {
status = "okay";
};
--
2.14.4
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