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| author | Ezequiel Garcia <ezequiel.garcia@imgtec.com> | 2015-05-21 18:06:17 -0300 |
|---|---|---|
| committer | Govindraj Raja <Govindraj.Raja@imgtec.com> | 2015-06-22 16:01:17 +0100 |
| commit | 75206f531749a73183dc88267b46dbc76b4f91cc (patch) | |
| tree | d3b6a13a7c92241c88d1c2c232f4b191d14d22f1 /Documentation/devicetree | |
| parent | 123879e9c3eac8a975f1d48786805ccad77cdee8 (diff) | |
| download | v4.1-75206f531749a73183dc88267b46dbc76b4f91cc.tar.gz | |
clocksource: 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.
Change-Id: I5cb5c5a484462d9299dfe1be9dd9f53de8d03fdd
Reviewed-by: Andrew Bresticker <abrestic@chromium.org>
Signed-off-by: Ezequiel Garcia <ezequiel.garcia@imgtec.com>
Diffstat (limited to 'Documentation/devicetree')
| -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 00000000000..7afce80bf6a --- /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>; + }; |