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RTC for 4.11

Browse source 
Subsystem:
  - constify rtc_class_ops structures
 
 New driver:
  - STM32
 
 Drivers:
  - armada38x: fix errata, Armada 7K/8K support
  - ds3232: fix wakeup support
  - gemini: DT support
  - m48t86: huge cleanup and platform_data removal
  - mcp795: alarm support
  - sun6i: proper oscillator handling
  - tegra: proper clock handling
  - tps65910: calibration support
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Merge tag 'rtc-4.11' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux

Pull RTC updates from Alexandre Belloni:
 "Subsystem:
   - constify rtc_class_ops structures

 New driver:
   - STM32

 Drivers:
   - armada38x: fix errata, Armada 7K/8K support
   - ds3232: fix wakeup support
   - gemini: DT support
   - m48t86: huge cleanup and platform_data removal
   - mcp795: alarm support
   - sun6i: proper oscillator handling
   - tegra: proper clock handling
   - tps65910: calibration support"

* tag 'rtc-4.11' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux: (44 commits)
  rtc: ds3232: Call device_init_wakeup before device_register
  rtc: pcf2127: bulk read only date and time registers.
  rtc: armada38x: Add support for Armada 7K/8K
  rtc: armada38x: Prepare driver to manage different versions
  rtc: ds3232: Add regmap max_register definition.
  rtc: ds3232: Cleanup whitespace around register and bit definitions.
  rtc: m48t86: remove unused platform_data
  ARM: Orion5x: ts78xx: allow rtc-m48t86 to manage it's own resources
  ARM: Orion5x: ts78xx: remove RTC detection
  ARM: ep93xx: ts72xx: allow rtc-m48t86 to manage its own resources
  rtc: m48t86: verify that the RTC is actually present
  rtc: m48t86: add NVRAM support
  rtc: m48t86: allow driver to manage its resources
  rtc: m48t86: shorten register name defines
  bindings: rtc: correct wrong reference in required properties
  rtc: sun6i: Fix return value check in sun6i_rtc_clk_init()
  rtc: sun6i: extend test coverage
  rtc: sun6i: Fix compatibility with old DT binding
  rtc: snvs: add a missing write sync
  rtc: bq32000: add support to enable disable the trickle charge FET bypass
  ...
This commit is contained in:
Linus Torvalds 2017-02-27 19:59:21 -08:00
commit 5782fd14aa
35 changed files with 1956 additions and 376 deletions
Download patch file Download diff file Expand all files Collapse all files

8
Documentation/devicetree/bindings/rtc/armada-380-rtc.txt
View file

@ -1,9 +1,11 @@
* Real Time Clock of the Armada 38x SoCs
* Real Time Clock of the Armada 38x/7K/8K SoCs
RTC controller for the Armada 38x SoCs
RTC controller for the Armada 38x, 7K and 8K SoCs
Required properties:
- compatible : Should be "marvell,armada-380-rtc"
- compatible : Should be one of the following:
"marvell,armada-380-rtc" for Armada 38x SoC
"marvell,armada-8k-rtc" for Aramda 7K/8K SoCs
- reg: a list of base address and size pairs, one for each entry in
reg-names
- reg names: should contain:

14
Documentation/devicetree/bindings/rtc/cortina,gemini.txt Normal file
View file

@ -0,0 +1,14 @@
* Cortina Systems Gemini RTC
Gemini SoC real-time clock.
Required properties:
- compatible : Should be "cortina,gemini-rtc"
Examples:
rtc@45000000 {
compatible = "cortina,gemini-rtc";
reg = <0x45000000 0x100>;
interrupts = <17 IRQ_TYPE_LEVEL_HIGH>;
};

5
Documentation/devicetree/bindings/rtc/imxdi-rtc.txt
View file

@ -8,10 +8,13 @@ Required properties:
region.
- interrupts: rtc alarm interrupt
Optional properties:
- interrupts: dryice security violation interrupt
Example:
rtc@80056000 {
compatible = "fsl,imx53-rtc", "fsl,imx25-rtc";
reg = <0x80056000 2000>;
interrupts = <29>;
interrupts = <29 56>;
};

3
Documentation/devicetree/bindings/rtc/maxim,ds3231.txt
View file

@ -1,7 +1,8 @@
* Maxim DS3231 Real Time Clock
Required properties:
see: Documentation/devicetree/bindings/i2c/trivial-admin-guide/devices.rst
- compatible: Should contain "maxim,ds3231".
- reg: I2C address for chip.
Optional property:
- #clock-cells: Should be 1.

3
Documentation/devicetree/bindings/rtc/pcf8563.txt
View file

@ -3,7 +3,8 @@
Philips PCF8563/Epson RTC8564 Real Time Clock
Required properties:
see: Documentation/devicetree/bindings/i2c/trivial-admin-guide/devices.rst
- compatible: Should contain "nxp,pcf8563".
- reg: I2C address for chip.
Optional property:
- #clock-cells: Should be 0.

27
Documentation/devicetree/bindings/rtc/st,stm32-rtc.txt Normal file
View file

@ -0,0 +1,27 @@
STM32 Real Time Clock
Required properties:
- compatible: "st,stm32-rtc".
- reg: address range of rtc register set.
- clocks: reference to the clock entry ck_rtc.
- interrupt-parent: phandle for the interrupt controller.
- interrupts: rtc alarm interrupt.
- st,syscfg: phandle for pwrcfg, mandatory to disable/enable backup domain
(RTC registers) write protection.
Optional properties (to override default ck_rtc parent clock):
- assigned-clocks: reference to the ck_rtc clock entry.
- assigned-clock-parents: phandle of the new parent clock of ck_rtc.
Example:
rtc: rtc@40002800 {
compatible = "st,stm32-rtc";
reg = <0x40002800 0x400>;
clocks = <&rcc 1 CLK_RTC>;
assigned-clocks = <&rcc 1 CLK_RTC>;
assigned-clock-parents = <&rcc 1 CLK_LSE>;
interrupt-parent = <&exti>;
interrupts = <17 1>;
st,syscfg = <&pwrcfg>;
};

10
Documentation/devicetree/bindings/rtc/sun6i-rtc.txt
View file

@ -8,10 +8,20 @@ Required properties:
memory mapped region.
- interrupts : IRQ lines for the RTC alarm 0 and alarm 1, in that order.
Required properties for new device trees
- clocks : phandle to the 32kHz external oscillator
- clock-output-names : name of the LOSC clock created
- #clock-cells : must be equals to 1. The RTC provides two clocks: the
LOSC and its external output, with index 0 and 1
respectively.
Example:
rtc: rtc@01f00000 {
compatible = "allwinner,sun6i-a31-rtc";
reg = <0x01f00000 0x54>;
interrupts = <0 40 4>, <0 41 4>;
clock-output-names = "osc32k";
clocks = <&ext_osc32k>;
#clock-cells = <1>;
};