linux-kernel - [PATCH v3 5/7] clocksource: Add Pistachio SoC general purpose timer binding document

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Message-ID: <1432675370-17944-1-git-send-email-ezequiel.garcia@imgtec.com>
Date:	Tue, 26 May 2015 18:22:50 -0300
From:	Ezequiel Garcia <ezequiel.garcia@...tec.com>
To:	<linux-kernel@...r.kernel.org>, <linux-mips@...ux-mips.org>,
	"Daniel Lezcano" <daniel.lezcano@...aro.org>,
	<devicetree@...r.kernel.org>
CC:	Thomas Gleixner <tglx@...utronix.de>,
	Andrew Bresticker <abrestic@...omium.org>,
	James Hartley <james.hartley@...tec.com>,
	<Govindraj.Raja@...tec.com>, <Damien.Horsley@...tec.com>,
	James Hogan <james.hogan@...tec.com>,
	Ezequiel Garcia <ezequiel.garcia@...tec.com>
Subject: [PATCH v3 5/7] 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.

Reviewed-by: Andrew Bresticker <abrestic@...omium.org>
Signed-off-by: Ezequiel Garcia <ezequiel.garcia@...tec.com>
---
Changes from v2:
 * Fix spacing for consistency as pointed out by Sergei.
Changes from v1:
 * No changes.

 .../bindings/timer/img,pistachio-gptimer.txt       | 28 ++++++++++++++++++++++
 1 file changed, 28 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/timer/img,pistachio-gptimer.txt

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 0000000..7afce80
--- /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@...02000 {
+		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>;
+	};
-- 
2.3.3

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