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Message-Id: <1431005924-21777-5-git-send-email-lee.jones@linaro.org>
Date:	Thu,  7 May 2015 14:38:36 +0100
From:	Lee Jones <lee.jones@...aro.org>
To:	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Cc:	kernel@...inux.com, devicetree@...r.kernel.org,
	daniel.lezcano@...aro.org, tglx@...utronix.de, wim@...ana.be,
	a.zummo@...ertech.it, linux-watchdog@...r.kernel.org,
	rtc-linux@...glegroups.com, linux@...ck-us.net,
	Lee Jones <lee.jones@...aro.org>
Subject: [PATCH 04/12] clocksource: bindings: Provide bindings for ST's LPC Clocksource device

On current ST platforms the LPC controls a number of functions including
Watchdog and Real Time Clock.  This patch provides the bindings used to
configure LPC in Clocksource mode.

Signed-off-by: Lee Jones <lee.jones@...aro.org>
---
 .../devicetree/bindings/timer/st,stih407-lpc       | 28 ++++++++++++++++++++++
 1 file changed, 28 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/timer/st,stih407-lpc

diff --git a/Documentation/devicetree/bindings/timer/st,stih407-lpc b/Documentation/devicetree/bindings/timer/st,stih407-lpc
new file mode 100644
index 0000000..72acb48
--- /dev/null
+++ b/Documentation/devicetree/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@...05000 {
+               compatible      = "st,stih407-lpc";
+               reg             = <0xfde05000 0x1000>;
+               clocks          = <&clk_s_d3_flexgen CLK_LPC_0>;
+               st,lpc-mode     = <ST_LPC_MODE_CLKSRC>;
+       };
-- 
1.9.1

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