diff options
Diffstat (limited to 'Documentation/devicetree/bindings/rtc/dw-apb.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/rtc/dw-apb.txt | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/rtc/dw-apb.txt b/Documentation/devicetree/bindings/rtc/dw-apb.txt index 93e2b0f..eb2327b 100644 --- a/Documentation/devicetree/bindings/rtc/dw-apb.txt +++ b/Documentation/devicetree/bindings/rtc/dw-apb.txt @@ -5,9 +5,20 @@ Required properties: - reg: physical base address of the controller and length of memory mapped region. - interrupts: IRQ line for the timer. +- either clocks+clock-names or clock-frequency properties + +Optional properties: +- clocks : list of clock specifiers, corresponding to entries in + the clock-names property; +- clock-names : should contain "timer" and "pclk" entries, matching entries + in the clocks property. - clock-frequency: The frequency in HZ of the timer. - clock-freq: For backwards compatibility with picoxcell +If using the clock specifiers, the pclk clock is optional, as not all +systems may use one. + + Example: timer1: timer@ffc09000 { @@ -23,3 +34,11 @@ Example: clock-frequency = <200000000>; reg = <0xffd00000 0x1000>; }; + + timer3: timer@ffe00000 { + compatible = "snps,dw-apb-timer-osc"; + interrupts = <0 170 4>; + reg = <0xffe00000 0x1000>; + clocks = <&timer_clk>, <&timer_pclk>; + clock-names = "timer", "pclk"; + }; |