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From 147681567d5d5d3032c749f4203630677f278df8 Mon Sep 17 00:00:00 2001
From: Nicolas Boullis <nboullis@debian.org>
Date: Wed, 23 Mar 2016 23:40:15 +0100
Subject: [PATCH] BCM270X_DT: Add DS1339 to i2c-rtc overlay
---
arch/arm/boot/dts/overlays/README | 4 ++++
arch/arm/boot/dts/overlays/i2c-rtc-overlay.dts | 8 ++++++++
2 files changed, 12 insertions(+)
--- a/arch/arm/boot/dts/overlays/README
+++ b/arch/arm/boot/dts/overlays/README
@@ -371,6 +371,8 @@ Info: Adds support for a number of I2C
Load: dtoverlay=i2c-rtc,<param>=<val>
Params: ds1307 Select the DS1307 device
+ ds1339 Select the DS1339 device
+
ds3231 Select the DS3231 device
mcp7941x Select the MCP7941x device
@@ -381,6 +383,8 @@ Params: ds1307 Select t
pcf8563 Select the PCF8563 device
+ trickle-resistor-ohms Resistor value for trickle charge (DS1339-only)
+
Name: i2c0-bcm2708
Info: Enable the i2c_bcm2708 driver for the i2c0 bus
--- a/arch/arm/boot/dts/overlays/i2c-rtc-overlay.dts
+++ b/arch/arm/boot/dts/overlays/i2c-rtc-overlay.dts
@@ -17,6 +17,12 @@
reg = <0x68>;
status = "disable";
};
+ ds1339: ds1339@68 {
+ compatible = "dallas,ds1339";
+ trickle-resistor-ohms = <0>;
+ reg = <0x68>;
+ status = "disable";
+ };
mcp7941x: mcp7941x@6f {
compatible = "microchip,mcp7941x";
reg = <0x6f>;
@@ -46,10 +52,12 @@
};
__overrides__ {
ds1307 = <&ds1307>,"status";
+ ds1339 = <&ds1339>,"status";
ds3231 = <&ds3231>,"status";
mcp7941x = <&mcp7941x>,"status";
pcf2127 = <&pcf2127>,"status";
pcf8523 = <&pcf8523>,"status";
pcf8563 = <&pcf8563>,"status";
+ trickle-resistor-ohms = <&ds1339>,"trickle-resistor-ohms:0";
};
};
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