diff options
Diffstat (limited to 'target/linux/brcm2708/patches-4.4/0549-config-Add-ABX80X-RTC-driver-and-overlay.patch')
| -rw-r--r-- | target/linux/brcm2708/patches-4.4/0549-config-Add-ABX80X-RTC-driver-and-overlay.patch | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/target/linux/brcm2708/patches-4.4/0549-config-Add-ABX80X-RTC-driver-and-overlay.patch b/target/linux/brcm2708/patches-4.4/0549-config-Add-ABX80X-RTC-driver-and-overlay.patch new file mode 100644 index 0000000000..7844b37f66 --- /dev/null +++ b/target/linux/brcm2708/patches-4.4/0549-config-Add-ABX80X-RTC-driver-and-overlay.patch @@ -0,0 +1,96 @@ +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 |