openwrtv4/target/linux/brcm2708/patches-4.1/0085-BCM270X_DT-Add-MCP7941X-to-i2c-rtc-overlay.patch
John Crispin d4b8d51580 brcm2708: update 4.1 patches
As usual, this patches were taken (and rebased) from
https://github.com/raspberrypi/linux/commits/rpi-4.1.y

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>

SVN-Revision: 47922
2015-12-17 09:29:22 +00:00

51 lines
1.6 KiB
Diff

From 432886b9b6459ebc9039fe87471b2d3e390bf8f8 Mon Sep 17 00:00:00 2001
From: Phil Elwell <phil@raspberrypi.org>
Date: Wed, 24 Jun 2015 09:24:31 +0100
Subject: [PATCH 085/222] BCM270X_DT: Add MCP7941X to i2c-rtc overlay
---
arch/arm/boot/dts/overlays/README | 3 +++
arch/arm/boot/dts/overlays/i2c-rtc-overlay.dts | 6 ++++++
2 files changed, 9 insertions(+)
--- a/arch/arm/boot/dts/overlays/README
+++ b/arch/arm/boot/dts/overlays/README
@@ -253,6 +253,8 @@ Params: ds1307 Select
ds3231 Select the DS3231 device
+ mcp7941x Select the MCP7941x device
+
pcf2127 Select the PCF2127 device
pcf8523 Select the PCF8523 device
@@ -396,6 +398,7 @@ Params: speed Display
xohms Touchpanel sensitivity (X-plate resistance)
+
Name: rpi-ft5406
Info: Official Raspberry Pi display touchscreen
Load: dtoverlay=rpi-ft5406
--- a/arch/arm/boot/dts/overlays/i2c-rtc-overlay.dts
+++ b/arch/arm/boot/dts/overlays/i2c-rtc-overlay.dts
@@ -17,6 +17,11 @@
reg = <0x68>;
status = "disable";
};
+ mcp7941x: mcp7941x@6f {
+ compatible = "microchip,mcp7941x";
+ reg = <0x6f>;
+ status = "disable";
+ };
ds3231: ds3231@68 {
compatible = "maxim,ds3231";
reg = <0x68>;
@@ -42,6 +47,7 @@
__overrides__ {
ds1307 = <&ds1307>,"status";
ds3231 = <&ds3231>,"status";
+ mcp7941x = <&mcp7941x>,"status";
pcf2127 = <&pcf2127>,"status";
pcf8523 = <&pcf8523>,"status";
pcf8563 = <&pcf8563>,"status";