From da62b2064a19346529bf827e8d7fbbd76e5e7ead Mon Sep 17 00:00:00 2001 From: Phil Elwell Date: Wed, 23 Nov 2016 14:19:40 +0000 Subject: [PATCH] config: Add ABX80X RTC driver and overlay Signed-off-by: Phil Elwell --- 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,= -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