011f2c26f1
As usual these patches were extracted and rebased from the raspberry pi repo: https://github.com/raspberrypi/linux/tree/rpi-4.4.y Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
96 lines
3.4 KiB
Diff
96 lines
3.4 KiB
Diff
From da62b2064a19346529bf827e8d7fbbd76e5e7ead Mon Sep 17 00:00:00 2001
|
|
From: Phil Elwell <phil@raspberrypi.org>
|
|
Date: Wed, 23 Nov 2016 14:19:40 +0000
|
|
Subject: [PATCH] config: Add ABX80X RTC driver and overlay
|
|
|
|
Signed-off-by: Phil Elwell <phil@raspberrypi.org>
|
|
---
|
|
arch/arm/boot/dts/overlays/README | 12 ++++++++++--
|
|
arch/arm/boot/dts/overlays/i2c-rtc-overlay.dts | 12 +++++++++++-
|
|
arch/arm/configs/bcm2709_defconfig | 1 +
|
|
arch/arm/configs/bcmrpi_defconfig | 1 +
|
|
4 files changed, 23 insertions(+), 3 deletions(-)
|
|
|
|
--- a/arch/arm/boot/dts/overlays/README
|
|
+++ b/arch/arm/boot/dts/overlays/README
|
|
@@ -498,7 +498,11 @@ Params: addr I2C addr
|
|
Name: i2c-rtc
|
|
Info: Adds support for a number of I2C Real Time Clock devices
|
|
Load: dtoverlay=i2c-rtc,<param>=<val>
|
|
-Params: ds1307 Select the DS1307 device
|
|
+Params: abx80x Select one of the ABx80x family:
|
|
+ AB0801, AB0803, AB0804, AB0805,
|
|
+ AB1801, AB1803, AB1804, AB1805
|
|
+
|
|
+ ds1307 Select the DS1307 device
|
|
|
|
ds1339 Select the DS1339 device
|
|
|
|
@@ -514,7 +518,11 @@ Params: ds1307 Select t
|
|
|
|
pcf8563 Select the PCF8563 device
|
|
|
|
- trickle-resistor-ohms Resistor value for trickle charge (DS1339-only)
|
|
+ trickle-diode-type Diode type for trickle charge - "standard" or
|
|
+ "schottky" (ABx80x only)
|
|
+
|
|
+ trickle-resistor-ohms Resistor value for trickle charge (DS1339,
|
|
+ ABx80x)
|
|
|
|
wakeup-source Specify that the RTC can be used as a wakeup
|
|
source
|
|
--- a/arch/arm/boot/dts/overlays/i2c-rtc-overlay.dts
|
|
+++ b/arch/arm/boot/dts/overlays/i2c-rtc-overlay.dts
|
|
@@ -12,6 +12,13 @@
|
|
#size-cells = <0>;
|
|
status = "okay";
|
|
|
|
+ abx80x: abx80x@69 {
|
|
+ compatible = "abracon,abx80x";
|
|
+ reg = <0x69>;
|
|
+ abracon,tc-diode = "standard";
|
|
+ abracon,tc-resistor = <0>;
|
|
+ status = "disable";
|
|
+ };
|
|
ds1307: ds1307@68 {
|
|
compatible = "maxim,ds1307";
|
|
reg = <0x68>;
|
|
@@ -56,6 +63,7 @@
|
|
};
|
|
};
|
|
__overrides__ {
|
|
+ abx80x = <&abx80x>,"status";
|
|
ds1307 = <&ds1307>,"status";
|
|
ds1339 = <&ds1339>,"status";
|
|
ds3231 = <&ds3231>,"status";
|
|
@@ -64,7 +72,9 @@
|
|
pcf2127 = <&pcf2127>,"status";
|
|
pcf8523 = <&pcf8523>,"status";
|
|
pcf8563 = <&pcf8563>,"status";
|
|
- trickle-resistor-ohms = <&ds1339>,"trickle-resistor-ohms:0";
|
|
+ trickle-diode-type = <&abx80x>,"abracon,tc-diode";
|
|
+ trickle-resistor-ohms = <&ds1339>,"trickle-resistor-ohms:0",
|
|
+ <&abx80x>,"abracon,tc-resistor";
|
|
wakeup-source = <&ds1339>,"wakeup-source?",
|
|
<&ds3231>,"wakeup-source?",
|
|
<&mcp7940x>,"wakeup-source?",
|
|
--- a/arch/arm/configs/bcm2709_defconfig
|
|
+++ b/arch/arm/configs/bcm2709_defconfig
|
|
@@ -1060,6 +1060,7 @@ CONFIG_LEDS_TRIGGER_CAMERA=m
|
|
CONFIG_LEDS_TRIGGER_INPUT=y
|
|
CONFIG_RTC_CLASS=y
|
|
# CONFIG_RTC_HCTOSYS is not set
|
|
+CONFIG_RTC_DRV_ABX80X=m
|
|
CONFIG_RTC_DRV_DS1307=m
|
|
CONFIG_RTC_DRV_DS1374=m
|
|
CONFIG_RTC_DRV_DS1672=m
|
|
--- a/arch/arm/configs/bcmrpi_defconfig
|
|
+++ b/arch/arm/configs/bcmrpi_defconfig
|
|
@@ -1067,6 +1067,7 @@ CONFIG_LEDS_TRIGGER_CAMERA=m
|
|
CONFIG_LEDS_TRIGGER_INPUT=y
|
|
CONFIG_RTC_CLASS=y
|
|
# CONFIG_RTC_HCTOSYS is not set
|
|
+CONFIG_RTC_DRV_ABX80X=m
|
|
CONFIG_RTC_DRV_DS1307=m
|
|
CONFIG_RTC_DRV_DS1374=m
|
|
CONFIG_RTC_DRV_DS1672=m
|