xref: /OK3568_Linux_fs/kernel/Documentation/devicetree/bindings/timer/nvidia,tegra210-timer.txt (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593SmuzhiyunNVIDIA Tegra210 timer
2*4882a593Smuzhiyun
3*4882a593SmuzhiyunThe Tegra210 timer provides fourteen 29-bit timer counters and one 32-bit
4*4882a593Smuzhiyuntimestamp counter. The TMRs run at either a fixed 1 MHz clock rate derived
5*4882a593Smuzhiyunfrom the oscillator clock (TMR0-TMR9) or directly at the oscillator clock
6*4882a593Smuzhiyun(TMR10-TMR13). Each TMR can be programmed to generate one-shot, periodic,
7*4882a593Smuzhiyunor watchdog interrupts.
8*4882a593Smuzhiyun
9*4882a593SmuzhiyunRequired properties:
10*4882a593Smuzhiyun- compatible : "nvidia,tegra210-timer".
11*4882a593Smuzhiyun- reg : Specifies base physical address and size of the registers.
12*4882a593Smuzhiyun- interrupts : A list of 14 interrupts; one per each timer channels 0 through
13*4882a593Smuzhiyun  13.
14*4882a593Smuzhiyun- clocks : Must contain one entry, for the module clock.
15*4882a593Smuzhiyun  See ../clocks/clock-bindings.txt for details.
16*4882a593Smuzhiyun
17*4882a593Smuzhiyuntimer@60005000 {
18*4882a593Smuzhiyun	compatible = "nvidia,tegra210-timer";
19*4882a593Smuzhiyun	reg = <0x0 0x60005000 0x0 0x400>;
20*4882a593Smuzhiyun	interrupts = <GIC_SPI 156 IRQ_TYPE_LEVEL_HIGH>,
21*4882a593Smuzhiyun		     <GIC_SPI 0 IRQ_TYPE_LEVEL_HIGH>,
22*4882a593Smuzhiyun		     <GIC_SPI 1 IRQ_TYPE_LEVEL_HIGH>,
23*4882a593Smuzhiyun		     <GIC_SPI 41 IRQ_TYPE_LEVEL_HIGH>,
24*4882a593Smuzhiyun		     <GIC_SPI 42 IRQ_TYPE_LEVEL_HIGH>,
25*4882a593Smuzhiyun		     <GIC_SPI 121 IRQ_TYPE_LEVEL_HIGH>,
26*4882a593Smuzhiyun		     <GIC_SPI 152 IRQ_TYPE_LEVEL_HIGH>,
27*4882a593Smuzhiyun		     <GIC_SPI 153 IRQ_TYPE_LEVEL_HIGH>,
28*4882a593Smuzhiyun		     <GIC_SPI 154 IRQ_TYPE_LEVEL_HIGH>,
29*4882a593Smuzhiyun		     <GIC_SPI 155 IRQ_TYPE_LEVEL_HIGH>,
30*4882a593Smuzhiyun		     <GIC_SPI 176 IRQ_TYPE_LEVEL_HIGH>,
31*4882a593Smuzhiyun		     <GIC_SPI 177 IRQ_TYPE_LEVEL_HIGH>,
32*4882a593Smuzhiyun		     <GIC_SPI 178 IRQ_TYPE_LEVEL_HIGH>,
33*4882a593Smuzhiyun		     <GIC_SPI 179 IRQ_TYPE_LEVEL_HIGH>;
34*4882a593Smuzhiyun	clocks = <&tegra_car TEGRA210_CLK_TIMER>;
35*4882a593Smuzhiyun	clock-names = "timer";
36*4882a593Smuzhiyun};
37