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RTC for 4.15

Browse source 
Subsystem:
  - Fix setting the alarm to the next expiring timer
 
 New driver:
  - Mediatek MT7622 RTC
  - NXP PCF85363
  - Spreadtrum SC27xx PMIC RTC
 
 Drivers:
  - Use generic nvmem to expose the Non volatile ram for ds1305, ds1511,
  m48t86 and omap
  - abx80x: solve possible race condition at probe
  - armada38x: support trimming the RTC oscillator
  - at91rm9200: fix reading the alarm value at boot
  - ds1511: allow waking platform
  - m41t80: rework square wave output
  - pcf8523: support trimming the RTC oscillator
  - pcf8563: fix clock output rate
  - pl031: make interrupt optional
  - xgene: fix suspend/resume
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Merge tag 'rtc-4.15' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux

Pull RTC updates from Alexandre Belloni:
 "There is nothing scary this cycle, mostly driver fixes and updates.

  The core fix has been in for a while and has been tested on multiple
  kernel revisions by multiple teams.

  Core:
   - Fix setting the alarm to the next expiring timer

  New drivers:
   - Mediatek MT7622 RTC
   - NXP PCF85363
   - Spreadtrum SC27xx PMIC RTC

  Drivers updates:
   - Use generic nvmem to expose the Non volatile ram for ds1305,
     ds1511, m48t86 and omap
   - abx80x: solve possible race condition at probe
   - armada38x: support trimming the RTC oscillator
   - at91rm9200: fix reading the alarm value at boot
   - ds1511: allow waking platform
   - m41t80: rework square wave output
   - pcf8523: support trimming the RTC oscillator
   - pcf8563: fix clock output rate
   - pl031: make interrupt optional
   - xgene: fix suspend/resume"

* tag 'rtc-4.15' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux: (50 commits)
  dt-bindings: rtc: imxdi: Improve the bindings text
  rtc: sc27xx: Add Spreadtrum SC27xx PMIC RTC driver
  dt-bindings: rtc: Add Spreadtrum SC27xx RTC documentation
  rtc: at91rm9200: fix reading alarm value
  rtc: at91rm9200: stop calculating yday in at91_rtc_readalarm
  rtc: sysfs: Use time64_t variables to set time/alarm
  rtc: xgene: mark PM functions as __maybe_unused
  rtc: xgene: Fix suspend/resume
  rtc: pcf8563: don't alway enable the alarm
  rtc: pcf8563: fix output clock rate
  rtc: rx8010: Fix for incorrect return value
  rtc: rx8010: Specify correct address for RX8010_RESV31
  rtc: rx8010: Remove duplicate define
  rtc: m41t80: remove unneeded checks from m41t80_sqw_set_rate
  rtc: m41t80: avoid i2c read in m41t80_sqw_is_prepared
  rtc: m41t80: avoid i2c read in m41t80_sqw_recalc_rate
  rtc: m41t80: fix m41t80_sqw_round_rate return value
  rtc: m41t80: m41t80_sqw_set_rate should return 0 on success
  rtc: add support for NXP PCF85363 real-time clock
  rtc: omap: Support scratch registers
  ...
This commit is contained in:
Linus Torvalds 2017-11-22 20:58:23 -10:00
commit 1b8c5cd890
30 changed files with 1891 additions and 283 deletions
Download patch file Download diff file Expand all files Collapse all files

14
Documentation/devicetree/bindings/rtc/imxdi-rtc.txt
View file

@ -1,20 +1,20 @@
* i.MX25 Real Time Clock controller
This binding supports the following chips: i.MX25, i.MX53
Required properties:
- compatible: should be: "fsl,imx25-rtc"
- reg: physical base address of the controller and length of memory mapped
region.
- clocks: should contain the phandle for the rtc clock
- interrupts: rtc alarm interrupt
Optional properties:
- interrupts: dryice security violation interrupt
- interrupts: dryice security violation interrupt (second entry)
Example:
rtc@80056000 {
compatible = "fsl,imx53-rtc", "fsl,imx25-rtc";
reg = <0x80056000 2000>;
interrupts = <29 56>;
rtc@53ffc000 {
compatible = "fsl,imx25-rtc";
reg = <0x53ffc000 0x4000>;
clocks = <&clks 81>;
interrupts = <25 56>;
};

17
Documentation/devicetree/bindings/rtc/pcf85363.txt Normal file
View file

@ -0,0 +1,17 @@
NXP PCF85363 Real Time Clock
============================
Required properties:
- compatible: Should contain "nxp,pcf85363".
- reg: I2C address for chip.
Optional properties:
- interrupts: IRQ line for the RTC (not implemented).
Example:
pcf85363: pcf85363@51 {
compatible = "nxp,pcf85363";
reg = <0x51>;
};

21
Documentation/devicetree/bindings/rtc/rtc-mt7622.txt Normal file
View file

@ -0,0 +1,21 @@
Device-Tree bindings for MediaTek SoC based RTC
Required properties:
- compatible : Should be
"mediatek,mt7622-rtc", "mediatek,soc-rtc" : for MT7622 SoC
- reg : Specifies base physical address and size of the registers;
- interrupts : Should contain the interrupt for RTC alarm;
- clocks : Specifies list of clock specifiers, corresponding to
entries in clock-names property;
- clock-names : Should contain "rtc" entries
Example:
rtc: rtc@10212800 {
compatible = "mediatek,mt7622-rtc",
"mediatek,soc-rtc";
reg = <0 0x10212800 0 0x200>;
interrupts = <GIC_SPI 129 IRQ_TYPE_LEVEL_LOW>;
clocks = <&topckgen CLK_TOP_RTC>;
clock-names = "rtc";
};

27
Documentation/devicetree/bindings/rtc/sprd,sc27xx-rtc.txt Normal file
View file

@ -0,0 +1,27 @@
Spreadtrum SC27xx Real Time Clock
Required properties:
- compatible: should be "sprd,sc2731-rtc".
- reg: address offset of rtc register.
- interrupt-parent: phandle for the interrupt controller.
- interrupts: rtc alarm interrupt.
Example:
sc2731_pmic: pmic@0 {
compatible = "sprd,sc2731";
reg = <0>;
spi-max-frequency = <26000000>;
interrupts = <GIC_SPI 31 IRQ_TYPE_LEVEL_HIGH>;
interrupt-controller;
#interrupt-cells = <2>;
#address-cells = <1>;
#size-cells = <0>;
rtc@280 {
compatible = "sprd,sc2731-rtc";
reg = <0x280>;
interrupt-parent = <&sc2731_pmic>;
interrupts = <2 IRQ_TYPE_LEVEL_HIGH>;
};
};

2
Documentation/devicetree/bindings/trivial-devices.txt
View file

@ -72,7 +72,6 @@ maxim,ds1050 5 Bit Programmable, Pulse-Width Modulator
maxim,max1237 Low-Power, 4-/12-Channel, 2-Wire Serial, 12-Bit ADCs
maxim,max6621 PECI-to-I2C translator for PECI-to-SMBus/I2C protocol conversion
maxim,max6625 9-Bit/12-Bit Temperature Sensors with I²C-Compatible Serial Interface
mc,rv3029c2 Real Time Clock Module with I2C-Bus
mcube,mc3230 mCube 3-axis 8-bit digital accelerometer
memsic,mxc6225 MEMSIC 2-axis 8-bit digital accelerometer
microchip,mcp4531-502 Microchip 7-bit Single I2C Digital Potentiometer (5k)
@ -141,6 +140,7 @@ microchip,mcp4662-503 Microchip 8-bit Dual I2C Digital Potentiometer with NV Mem
microchip,mcp4662-104 Microchip 8-bit Dual I2C Digital Potentiometer with NV Memory (100k)
microchip,tc654 PWM Fan Speed Controller With Fan Fault Detection
microchip,tc655 PWM Fan Speed Controller With Fan Fault Detection
microcrystal,rv3029 Real Time Clock Module with I2C-Bus
miramems,da226 MiraMEMS DA226 2-axis 14-bit digital accelerometer
miramems,da280 MiraMEMS DA280 3-axis 14-bit digital accelerometer
miramems,da311 MiraMEMS DA311 3-axis 12-bit digital accelerometer