rtc wip

gistfile1.txt

From a1d20ba78d04571d86224922fc6116a066dd054c Mon Sep 17 00:00:00 2001
From: Robert Nelson <[email protected]>
Date: Fri, 22 Aug 2014 11:57:49 -0500
Subject: [PATCH] testing

Signed-off-by: Robert Nelson <[email protected]>
---
 arch/arm/boot/dts/am335x-bone-common-pinmux.dtsi |  7 +++++++
 arch/arm/boot/dts/am335x-bone-rtc-01-00a1.dtsi   | 21 +++++++++++++++++++++
 2 files changed, 28 insertions(+)
 create mode 100644 arch/arm/boot/dts/am335x-bone-rtc-01-00a1.dtsi

diff --git a/arch/arm/boot/dts/am335x-bone-common-pinmux.dtsi b/arch/arm/boot/dts/am335x-bone-common-pinmux.dtsi
index 1a7d71b..cab953d 100644
--- a/arch/arm/boot/dts/am335x-bone-common-pinmux.dtsi
+++ b/arch/arm/boot/dts/am335x-bone-common-pinmux.dtsi
@@ -135,6 +135,13 @@
 		>;
 	};
 
+	i2c1_pins: pinmux_i2c1_pins {
+		pinctrl-single,pins = <
+			0x158 0x72	/* spi0_d1.i2c1_sda, SLEWCTRL_SLOW | INPUT_PULLUP | MODE2 */
+			0x15c 0x72	/* spi0_cs0.i2c1_scl, SLEWCTRL_SLOW | INPUT_PULLUP | MODE2 */
+		>;
+	};
+
 	i2c2_pins: pinmux_i2c2_pins {
 		pinctrl-single,pins = <
 			0x178 0x73 /* (SLEWCTRL_SLOW | PIN_INPUT_PULLUP | MUX_MODE3) uart1_ctsn.i2c2_sda */
diff --git a/arch/arm/boot/dts/am335x-bone-rtc-01-00a1.dtsi b/arch/arm/boot/dts/am335x-bone-rtc-01-00a1.dtsi
new file mode 100644
index 0000000..2a0d514
--- /dev/null
+++ b/arch/arm/boot/dts/am335x-bone-rtc-01-00a1.dtsi
@@ -0,0 +1,21 @@
+/*
+ * Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com/
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+&i2c1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&i2c1_pins>;
+
+	status = "okay";
+	clock-frequency = <100000>;
+
+	/* MCP79410 RTC module */
+	rtc@68 {
+		compatible = "maxim,ds1338";
+		reg = <0x68>;
+	};
+};
-- 
2.1.0.rc1