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Diffstat (limited to 'Documentation/devicetree/bindings/timer/ingenic,tcu.txt')
-rw-r--r-- | Documentation/devicetree/bindings/timer/ingenic,tcu.txt | 138 |
1 files changed, 0 insertions, 138 deletions
diff --git a/Documentation/devicetree/bindings/timer/ingenic,tcu.txt b/Documentation/devicetree/bindings/timer/ingenic,tcu.txt deleted file mode 100644 index 91f704951845..000000000000 --- a/Documentation/devicetree/bindings/timer/ingenic,tcu.txt +++ /dev/null @@ -1,138 +0,0 @@ -Ingenic JZ47xx SoCs Timer/Counter Unit devicetree bindings -========================================================== - -For a description of the TCU hardware and drivers, have a look at -Documentation/mips/ingenic-tcu.rst. - -Required properties: - -- compatible: Must be one of: - * ingenic,jz4740-tcu - * ingenic,jz4725b-tcu - * ingenic,jz4770-tcu - * ingenic,x1000-tcu - followed by "simple-mfd". -- reg: Should be the offset/length value corresponding to the TCU registers -- clocks: List of phandle & clock specifiers for clocks external to the TCU. - The "pclk", "rtc" and "ext" clocks should be provided. The "tcu" clock - should be provided if the SoC has it. -- clock-names: List of name strings for the external clocks. -- #clock-cells: Should be <1>; - Clock consumers specify this argument to identify a clock. The valid values - may be found in <dt-bindings/clock/ingenic,tcu.h>. -- interrupt-controller : Identifies the node as an interrupt controller -- #interrupt-cells : Specifies the number of cells needed to encode an - interrupt source. The value should be 1. -- interrupts : Specifies the interrupt the controller is connected to. - -Optional properties: - -- ingenic,pwm-channels-mask: Bitmask of TCU channels reserved for PWM use. - Default value is 0xfc. - - -Children nodes -========================================================== - - -PWM node: ---------- - -Required properties: - -- compatible: Must be one of: - * ingenic,jz4740-pwm - * ingenic,jz4725b-pwm -- #pwm-cells: Should be 3. See ../pwm/pwm.yaml for a description of the cell - format. -- clocks: List of phandle & clock specifiers for the TCU clocks. -- clock-names: List of name strings for the TCU clocks. - - -Watchdog node: --------------- - -Required properties: - -- compatible: Must be "ingenic,jz4740-watchdog" -- clocks: phandle to the WDT clock -- clock-names: should be "wdt" - - -OS Timer node: ---------- - -Required properties: - -- compatible: Must be one of: - * ingenic,jz4725b-ost - * ingenic,jz4770-ost -- clocks: phandle to the OST clock -- clock-names: should be "ost" -- interrupts : Specifies the interrupt the OST is connected to. - - -Example -========================================================== - -#include <dt-bindings/clock/jz4770-cgu.h> -#include <dt-bindings/clock/ingenic,tcu.h> - -/ { - tcu: timer@10002000 { - compatible = "ingenic,jz4770-tcu", "simple-mfd"; - reg = <0x10002000 0x1000>; - #address-cells = <1>; - #size-cells = <1>; - ranges = <0x0 0x10002000 0x1000>; - - #clock-cells = <1>; - - clocks = <&cgu JZ4770_CLK_RTC - &cgu JZ4770_CLK_EXT - &cgu JZ4770_CLK_PCLK>; - clock-names = "rtc", "ext", "pclk"; - - interrupt-controller; - #interrupt-cells = <1>; - - interrupt-parent = <&intc>; - interrupts = <27 26 25>; - - watchdog: watchdog@0 { - compatible = "ingenic,jz4740-watchdog"; - reg = <0x0 0xc>; - - clocks = <&tcu TCU_CLK_WDT>; - clock-names = "wdt"; - }; - - pwm: pwm@40 { - compatible = "ingenic,jz4740-pwm"; - reg = <0x40 0x80>; - - #pwm-cells = <3>; - - clocks = <&tcu TCU_CLK_TIMER0 - &tcu TCU_CLK_TIMER1 - &tcu TCU_CLK_TIMER2 - &tcu TCU_CLK_TIMER3 - &tcu TCU_CLK_TIMER4 - &tcu TCU_CLK_TIMER5 - &tcu TCU_CLK_TIMER6 - &tcu TCU_CLK_TIMER7>; - clock-names = "timer0", "timer1", "timer2", "timer3", - "timer4", "timer5", "timer6", "timer7"; - }; - - ost: timer@e0 { - compatible = "ingenic,jz4770-ost"; - reg = <0xe0 0x20>; - - clocks = <&tcu TCU_CLK_OST>; - clock-names = "ost"; - - interrupts = <15>; - }; - }; -}; |