diff options
Diffstat (limited to 'dts/Bindings/timer')
| -rw-r--r-- | dts/Bindings/timer/img,pistachio-gptimer.txt | 28 | ||||
| -rw-r--r-- | dts/Bindings/timer/mediatek,mtk-timer.txt | 6 | ||||
| -rw-r--r-- | dts/Bindings/timer/st,stih407-lpc | 28 |
3 files changed, 61 insertions, 1 deletions
diff --git a/dts/Bindings/timer/img,pistachio-gptimer.txt b/dts/Bindings/timer/img,pistachio-gptimer.txt new file mode 100644 index 0000000000..7afce80bf6 --- /dev/null +++ b/dts/Bindings/timer/img,pistachio-gptimer.txt @@ -0,0 +1,28 @@ +* Pistachio general-purpose timer based clocksource + +Required properties: + - compatible: "img,pistachio-gptimer". + - reg: Address range of the timer registers. + - interrupts: An interrupt for each of the four timers + - clocks: Should contain a clock specifier for each entry in clock-names + - clock-names: Should contain the following entries: + "sys", interface clock + "slow", slow counter clock + "fast", fast counter clock + - img,cr-periph: Must contain a phandle to the peripheral control + syscon node. + +Example: + timer: timer@18102000 { + compatible = "img,pistachio-gptimer"; + reg = <0x18102000 0x100>; + interrupts = <GIC_SHARED 60 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SHARED 61 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SHARED 62 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SHARED 63 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&clk_periph PERIPH_CLK_COUNTER_FAST>, + <&clk_periph PERIPH_CLK_COUNTER_SLOW>, + <&cr_periph SYS_CLK_TIMER>; + clock-names = "fast", "slow", "sys"; + img,cr-periph = <&cr_periph>; + }; diff --git a/dts/Bindings/timer/mediatek,mtk-timer.txt b/dts/Bindings/timer/mediatek,mtk-timer.txt index 7c4408ff4b..53a3029b75 100644 --- a/dts/Bindings/timer/mediatek,mtk-timer.txt +++ b/dts/Bindings/timer/mediatek,mtk-timer.txt @@ -2,7 +2,11 @@ Mediatek MT6577, MT6572 and MT6589 Timers --------------------------------------- Required properties: -- compatible: Should be "mediatek,mt6577-timer" +- compatible should contain: + * "mediatek,mt6589-timer" for MT6589 compatible timers + * "mediatek,mt6580-timer" for MT6580 compatible timers + * "mediatek,mt6577-timer" for all compatible timers (MT6589, MT6580, + MT6577) - reg: Should contain location and length for timers register. - clocks: Clocks driving the timer hardware. This list should include two clocks. The order is system clock and as second clock the RTC clock. diff --git a/dts/Bindings/timer/st,stih407-lpc b/dts/Bindings/timer/st,stih407-lpc new file mode 100644 index 0000000000..72acb487b8 --- /dev/null +++ b/dts/Bindings/timer/st,stih407-lpc @@ -0,0 +1,28 @@ +STMicroelectronics Low Power Controller (LPC) - Clocksource +=========================================================== + +LPC currently supports Watchdog OR Real Time Clock OR Clocksource +functionality. + +[See: ../watchdog/st_lpc_wdt.txt for Watchdog options] +[See: ../rtc/rtc-st-lpc.txt for RTC options] + +Required properties + +- compatible : Must be: "st,stih407-lpc" +- reg : LPC registers base address + size +- interrupts : LPC interrupt line number and associated flags +- clocks : Clock used by LPC device (See: ../clock/clock-bindings.txt) +- st,lpc-mode : The LPC can run either one of three modes: + ST_LPC_MODE_RTC [0] + ST_LPC_MODE_WDT [1] + ST_LPC_MODE_CLKSRC [2] + One (and only one) mode must be selected. + +Example: + lpc@fde05000 { + compatible = "st,stih407-lpc"; + reg = <0xfde05000 0x1000>; + clocks = <&clk_s_d3_flexgen CLK_LPC_0>; + st,lpc-mode = <ST_LPC_MODE_CLKSRC>; + }; |