diff options
author | Thomas Gleixner <tglx@linutronix.de> | 2015-06-19 00:17:47 +0200 |
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committer | Thomas Gleixner <tglx@linutronix.de> | 2015-06-19 00:17:47 +0200 |
commit | 624bbdfac99c50bf03dff9a0023f666b8e965627 (patch) | |
tree | 431d1345087021736a2ae66b041d2a9593ebf1d3 /Documentation | |
parent | 6f9aad0bc37286c0441b57f0ba8cffee50715426 (diff) | |
parent | 887d9dc989eb0154492e41e7c07492edbb088ba1 (diff) |
Merge branch 'timers/core' into sched/hrtimers
Merge sched/core and timers/core so we can apply the sched balancing
patch queue, which depends on both.
Diffstat (limited to 'Documentation')
3 files changed, 74 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/arm/armv7m_systick.txt b/Documentation/devicetree/bindings/arm/armv7m_systick.txt new file mode 100644 index 000000000000..7cf4a24601eb --- /dev/null +++ b/Documentation/devicetree/bindings/arm/armv7m_systick.txt @@ -0,0 +1,26 @@ +* ARMv7M System Timer + +ARMv7-M includes a system timer, known as SysTick. Current driver only +implements the clocksource feature. + +Required properties: +- compatible : Should be "arm,armv7m-systick" +- reg : The address range of the timer + +Required clocking property, have to be one of: +- clocks : The input clock of the timer +- clock-frequency : The rate in HZ in input of the ARM SysTick + +Examples: + +systick: timer@e000e010 { + compatible = "arm,armv7m-systick"; + reg = <0xe000e010 0x10>; + clocks = <&clk_systick>; +}; + +systick: timer@e000e010 { + compatible = "arm,armv7m-systick"; + reg = <0xe000e010 0x10>; + clock-frequency = <90000000>; +}; diff --git a/Documentation/devicetree/bindings/timer/nxp,lpc3220-timer.txt b/Documentation/devicetree/bindings/timer/nxp,lpc3220-timer.txt new file mode 100644 index 000000000000..51b05a0e70d1 --- /dev/null +++ b/Documentation/devicetree/bindings/timer/nxp,lpc3220-timer.txt @@ -0,0 +1,26 @@ +* NXP LPC3220 timer + +The NXP LPC3220 timer is used on a wide range of NXP SoCs. This +includes LPC32xx, LPC178x, LPC18xx and LPC43xx parts. + +Required properties: +- compatible: + Should be "nxp,lpc3220-timer". +- reg: + Address and length of the register set. +- interrupts: + Reference to the timer interrupt +- clocks: + Should contain a reference to timer clock. +- clock-names: + Should contain "timerclk". + +Example: + +timer1: timer@40085000 { + compatible = "nxp,lpc3220-timer"; + reg = <0x40085000 0x1000>; + interrupts = <13>; + clocks = <&ccu1 CLK_CPU_TIMER1>; + clock-names = "timerclk"; +}; diff --git a/Documentation/devicetree/bindings/timer/st,stm32-timer.txt b/Documentation/devicetree/bindings/timer/st,stm32-timer.txt new file mode 100644 index 000000000000..8ef28e70d6e8 --- /dev/null +++ b/Documentation/devicetree/bindings/timer/st,stm32-timer.txt @@ -0,0 +1,22 @@ +. STMicroelectronics STM32 timer + +The STM32 MCUs family has several general-purpose 16 and 32 bits timers. + +Required properties: +- compatible : Should be "st,stm32-timer" +- reg : Address and length of the register set +- clocks : Reference on the timer input clock +- interrupts : Reference to the timer interrupt + +Optional properties: +- resets: Reference to a reset controller asserting the timer + +Example: + +timer5: timer@40000c00 { + compatible = "st,stm32-timer"; + reg = <0x40000c00 0x400>; + interrupts = <50>; + resets = <&rrc 259>; + clocks = <&clk_pmtr1>; +}; |