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| author |   Ezequiel Garcia <ezequiel.garcia@imgtec.com> | 2015-07-27 15:02:33 +0100 |
|---|---|---|
| committer |   Ralf Baechle <ralf@linux-mips.org> | 2015-09-03 12:08:07 +0200 |
| commit | d6ed2b9b60cb03091e0c84c270d145a475606297 (patch) | |
| tree | b46c79cf1285ab71f2f4506bb225c05a668cda4d /Documentation | |
| parent | CLOCKSOURCE: mips-gic: Update clockevent frequency on clock rate changes (diff) | |
| download | linux-dev-d6ed2b9b60cb03091e0c84c270d145a475606297.tar.xz linux-dev-d6ed2b9b60cb03091e0c84c270d145a475606297.zip | |
Documentation: dt: Add Pistachio SoC general purpose timer binding document
Add a device-tree binding document for the clocksource driver provided
by Pistachio SoC general purpose timers.
Signed-off-by: Ezequiel Garcia <ezequiel.garcia@imgtec.com>
Reviewed-by: Andrew Bresticker <abrestic@chromium.org>
Cc: linux-kernel@vger.kernel.org
Cc: linux-mips@linux-mips.org
Cc: Daniel Lezcano <daniel.lezcano@linaro.org>
Cc: devicetree@vger.kernel.org
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: James Hartley <James.Hartley@imgtec.com>
Cc: Govindraj Raja <Govindraj.Raja@imgtec.com>
Cc: Damien Horsley <Damien.Horsley@imgtec.com>
Cc: James Hogan <James.Hogan@imgtec.com>
Cc: Ezequiel Garcia <ezequiel@vanguardiasur.com.ar>
Patchwork: https://patchwork.linux-mips.org/patch/10783/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/devicetree/bindings/timer/img,pistachio-gptimer.txt | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/timer/img,pistachio-gptimer.txt b/Documentation/devicetree/bindings/timer/img,pistachio-gptimer.txt new file mode 100644 index 000000000000..7afce80bf6a0 --- /dev/null +++ b/Documentation/devicetree/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>; + }; |