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authorSascha Hauer <s.hauer@pengutronix.de>2015-12-08 07:33:36 +0100
committerSascha Hauer <s.hauer@pengutronix.de>2015-12-10 08:48:39 +0100
commita05d5c206c91b17eb13ab9631d93e0a9b6fb92f8 (patch)
tree69bb9a750c3f22308887a30b37e946b2738e33d4 /dts/Bindings/rtc
parent48c682bcb09e2073d7eb07b4ce2ffbbf20d02d59 (diff)
downloadbarebox-a05d5c206c91b17eb13ab9631d93e0a9b6fb92f8.tar.gz
barebox-a05d5c206c91b17eb13ab9631d93e0a9b6fb92f8.tar.xz
dts: update to v4.3-rc1
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'dts/Bindings/rtc')
-rw-r--r--dts/Bindings/rtc/atmel,at91rm9200-rtc.txt2
-rw-r--r--dts/Bindings/rtc/nxp,lpc1788-rtc.txt21
-rw-r--r--dts/Bindings/rtc/rtc-mxc.txt26
-rw-r--r--dts/Bindings/rtc/rtc-omap.txt5
-rw-r--r--dts/Bindings/rtc/rtc-st-lpc.txt15
-rw-r--r--dts/Bindings/rtc/ti,bq32k.txt18
-rw-r--r--dts/Bindings/rtc/xlnx-rtc.txt25
7 files changed, 106 insertions, 6 deletions
diff --git a/dts/Bindings/rtc/atmel,at91rm9200-rtc.txt b/dts/Bindings/rtc/atmel,at91rm9200-rtc.txt
index 34c150577..5d3791e78 100644
--- a/dts/Bindings/rtc/atmel,at91rm9200-rtc.txt
+++ b/dts/Bindings/rtc/atmel,at91rm9200-rtc.txt
@@ -5,6 +5,7 @@ Required properties:
- reg: physical base address of the controller and length of memory mapped
region.
- interrupts: rtc alarm/event interrupt
+- clocks: phandle to input clock.
Example:
@@ -12,4 +13,5 @@ rtc@fffffe00 {
compatible = "atmel,at91rm9200-rtc";
reg = <0xfffffe00 0x100>;
interrupts = <1 4 7>;
+ clocks = <&clk32k>;
};
diff --git a/dts/Bindings/rtc/nxp,lpc1788-rtc.txt b/dts/Bindings/rtc/nxp,lpc1788-rtc.txt
new file mode 100644
index 000000000..3c97bd180
--- /dev/null
+++ b/dts/Bindings/rtc/nxp,lpc1788-rtc.txt
@@ -0,0 +1,21 @@
+NXP LPC1788 real-time clock
+
+The LPC1788 RTC provides calendar and clock functionality
+together with periodic tick and alarm interrupt support.
+
+Required properties:
+- compatible : must contain "nxp,lpc1788-rtc"
+- reg : Specifies base physical address and size of the registers.
+- interrupts : A single interrupt specifier.
+- clocks : Must contain clock specifiers for rtc and register clock
+- clock-names : Must contain "rtc" and "reg"
+ See ../clocks/clock-bindings.txt for details.
+
+Example:
+rtc: rtc@40046000 {
+ compatible = "nxp,lpc1788-rtc";
+ reg = <0x40046000 0x1000>;
+ interrupts = <47>;
+ clocks = <&creg_clk 0>, <&ccu1 CLK_CPU_BUS>;
+ clock-names = "rtc", "reg";
+};
diff --git a/dts/Bindings/rtc/rtc-mxc.txt b/dts/Bindings/rtc/rtc-mxc.txt
new file mode 100644
index 000000000..5bcd31d99
--- /dev/null
+++ b/dts/Bindings/rtc/rtc-mxc.txt
@@ -0,0 +1,26 @@
+* Real Time Clock of the i.MX SoCs
+
+RTC controller for the i.MX SoCs
+
+Required properties:
+- compatible: Should be "fsl,imx1-rtc" or "fsl,imx21-rtc".
+- reg: physical base address of the controller and length of memory mapped
+ region.
+- interrupts: IRQ line for the RTC.
+- clocks: should contain two entries:
+ * one for the input reference
+ * one for the the SoC RTC
+- clock-names: should contain:
+ * "ref" for the input reference clock
+ * "ipg" for the SoC RTC clock
+
+Example:
+
+rtc@10007000 {
+ compatible = "fsl,imx21-rtc";
+ reg = <0x10007000 0x1000>;
+ interrupts = <22>;
+ clocks = <&clks IMX27_CLK_CKIL>,
+ <&clks IMX27_CLK_RTC_IPG_GATE>;
+ clock-names = "ref", "ipg";
+};
diff --git a/dts/Bindings/rtc/rtc-omap.txt b/dts/Bindings/rtc/rtc-omap.txt
index 4ba4dbd34..bf7d11ae9 100644
--- a/dts/Bindings/rtc/rtc-omap.txt
+++ b/dts/Bindings/rtc/rtc-omap.txt
@@ -8,6 +8,7 @@ Required properties:
Wakeup generation for event Alarm. It can also be
used to control an external PMIC via the
pmic_power_en pin.
+ - "ti,am4372-rtc" - for RTC IP used similar to that on AM437X SoC family.
- reg: Address range of rtc register set
- interrupts: rtc timer, alarm interrupts in order
- interrupt-parent: phandle for the interrupt controller
@@ -15,6 +16,8 @@ Required properties:
Optional properties:
- system-power-controller: whether the rtc is controlling the system power
through pmic_power_en
+- clocks: Any internal or external clocks feeding in to rtc
+- clock-names: Corresponding names of the clocks
Example:
@@ -25,4 +28,6 @@ rtc@1c23000 {
19>;
interrupt-parent = <&intc>;
system-power-controller;
+ clocks = <&clk_32k_rtc>, <&clk_32768_ck>;
+ clock-names = "ext-clk", "int-clk";
};
diff --git a/dts/Bindings/rtc/rtc-st-lpc.txt b/dts/Bindings/rtc/rtc-st-lpc.txt
index 73407f502..daf88265d 100644
--- a/dts/Bindings/rtc/rtc-st-lpc.txt
+++ b/dts/Bindings/rtc/rtc-st-lpc.txt
@@ -1,20 +1,23 @@
STMicroelectronics Low Power Controller (LPC) - RTC
===================================================
-LPC currently supports Watchdog OR Real Time Clock functionality.
+LPC currently supports Watchdog OR Real Time Clock OR Clocksource
+functionality.
[See: ../watchdog/st_lpc_wdt.txt for Watchdog options]
+[See: ../timer/st,stih407-lpc for Clocksource options]
Required properties
-- compatible : Must be one of: "st,stih407-lpc" "st,stih416-lpc"
- "st,stih415-lpc" "st,stid127-lpc"
+- 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 two modes ST_LPC_MODE_RTC [0] or
- ST_LPC_MODE_WDT [1]. One (and only one) mode must be
- selected.
+- 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@fde05000 {
diff --git a/dts/Bindings/rtc/ti,bq32k.txt b/dts/Bindings/rtc/ti,bq32k.txt
new file mode 100644
index 000000000..e204906b9
--- /dev/null
+++ b/dts/Bindings/rtc/ti,bq32k.txt
@@ -0,0 +1,18 @@
+* TI BQ32000 I2C Serial Real-Time Clock
+
+Required properties:
+- compatible: Should contain "ti,bq32000".
+- reg: I2C address for chip
+
+Optional properties:
+- trickle-resistor-ohms : Selected resistor for trickle charger
+ Values usable are 1120 and 20180
+ Should be given if trickle charger should be enabled
+- trickle-diode-disable : Do not use internal trickle charger diode
+ Should be given if internal trickle charger diode should be disabled
+Example:
+ bq32000: rtc@68 {
+ compatible = "ti,bq32000";
+ trickle-resistor-ohms = <1120>;
+ reg = <0x68>;
+ };
diff --git a/dts/Bindings/rtc/xlnx-rtc.txt b/dts/Bindings/rtc/xlnx-rtc.txt
new file mode 100644
index 000000000..0df6f016b
--- /dev/null
+++ b/dts/Bindings/rtc/xlnx-rtc.txt
@@ -0,0 +1,25 @@
+* Xilinx Zynq Ultrascale+ MPSoC Real Time Clock
+
+RTC controller for the Xilinx Zynq MPSoC Real Time Clock
+Separate IRQ lines for seconds and alarm
+
+Required properties:
+- compatible: Should be "xlnx,zynqmp-rtc"
+- reg: Physical base address of the controller and length
+ of memory mapped region.
+- interrupts: IRQ lines for the RTC.
+- interrupt-names: interrupt line names eg. "sec" "alarm"
+
+Optional:
+- calibration: calibration value for 1 sec period which will
+ be programmed directly to calibration register
+
+Example:
+rtc: rtc@ffa60000 {
+ compatible = "xlnx,zynqmp-rtc";
+ reg = <0x0 0xffa60000 0x100>;
+ interrupt-parent = <&gic>;
+ interrupts = <0 26 4>, <0 27 4>;
+ interrupt-names = "alarm", "sec";
+ calibration = <0x198233>;
+};