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authorKeerthy <j-keerthy@ti.com>2015-08-18 11:41:14 +0200
committerAlexandre Belloni <alexandre.belloni@free-electrons.com>2015-09-05 19:37:20 +0200
commitfff51e771eafc3b4fa6daf1372fd4a4023bb402b (patch)
treeeeae766e6c347c400ccb2dd54c43d979bf10b466 /arch/arm/boot/dts/am437x-gp-evm.dts
parentrtc: s5m: fix to update ctrl register (diff)
downloadlinux-fff51e771eafc3b4fa6daf1372fd4a4023bb402b.tar.xz
linux-fff51e771eafc3b4fa6daf1372fd4a4023bb402b.zip
ARM: dts: AM437x: Add the internal and external clock nodes for rtc
rtc can either be supplied from internal 32k clock or external crystal generated 32k clock. Internal clock is SOC specific and the external clock is board dependent. Adding the corresponding nodes. Signed-off-by: Keerthy <j-keerthy@ti.com> Acked-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Diffstat (limited to 'arch/arm/boot/dts/am437x-gp-evm.dts')
-rw-r--r--arch/arm/boot/dts/am437x-gp-evm.dts13
1 files changed, 13 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/am437x-gp-evm.dts b/arch/arm/boot/dts/am437x-gp-evm.dts
index 215775dc6948..22038f21f228 100644
--- a/arch/arm/boot/dts/am437x-gp-evm.dts
+++ b/arch/arm/boot/dts/am437x-gp-evm.dts
@@ -112,6 +112,13 @@
clock-frequency = <12000000>;
};
+ /* fixed 32k external oscillator clock */
+ clk_32k_rtc: clk_32k_rtc {
+ #clock-cells = <0>;
+ compatible = "fixed-clock";
+ clock-frequency = <32768>;
+ };
+
sound0: sound@0 {
compatible = "simple-audio-card";
simple-audio-card,name = "AM437x-GP-EVM";
@@ -941,3 +948,9 @@
tx-num-evt = <32>;
rx-num-evt = <32>;
};
+
+&rtc {
+ clocks = <&clk_32k_rtc>, <&clk_32768_ck>;
+ clock-names = "ext-clk", "int-clk";
+ status = "okay";
+};