summaryrefslogtreecommitdiffstats
path: root/dts/Bindings/arm
diff options
context:
space:
mode:
authorSascha Hauer <s.hauer@pengutronix.de>2014-07-17 16:18:11 +0200
committerSascha Hauer <s.hauer@pengutronix.de>2014-07-17 16:18:11 +0200
commit48d44d036058b7882b91024cae63c750a9c63c6f (patch)
treec758773aa09de2ed660dfae5312b5a97a374f1ac /dts/Bindings/arm
parentf1d1cdd029e0fbcce38d1e9bdc309e57095a56fb (diff)
downloadbarebox-48d44d036058b7882b91024cae63c750a9c63c6f.tar.gz
dts: update to v3.16-rc5
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'dts/Bindings/arm')
-rw-r--r--dts/Bindings/arm/exynos/power_domain.txt20
1 files changed, 20 insertions, 0 deletions
diff --git a/dts/Bindings/arm/exynos/power_domain.txt b/dts/Bindings/arm/exynos/power_domain.txt
index 5216b41..8b4f7b7 100644
--- a/dts/Bindings/arm/exynos/power_domain.txt
+++ b/dts/Bindings/arm/exynos/power_domain.txt
@@ -9,6 +9,18 @@ Required Properties:
- reg: physical base address of the controller and length of memory mapped
region.
+Optional Properties:
+- clocks: List of clock handles. The parent clocks of the input clocks to the
+ devices in this power domain are set to oscclk before power gating
+ and restored back after powering on a domain. This is required for
+ all domains which are powered on and off and not required for unused
+ domains.
+- clock-names: The following clocks can be specified:
+ - oscclk: Oscillator clock.
+ - pclkN, clkN: Pairs of parent of input clock and input clock to the
+ devices in this power domain. Maximum of 4 pairs (N = 0 to 3)
+ are supported currently.
+
Node of a device using power domains must have a samsung,power-domain property
defined with a phandle to respective power domain.
@@ -19,6 +31,14 @@ Example:
reg = <0x10023C00 0x10>;
};
+ mfc_pd: power-domain@10044060 {
+ compatible = "samsung,exynos4210-pd";
+ reg = <0x10044060 0x20>;
+ clocks = <&clock CLK_FIN_PLL>, <&clock CLK_MOUT_SW_ACLK333>,
+ <&clock CLK_MOUT_USER_ACLK333>;
+ clock-names = "oscclk", "pclk0", "clk0";
+ };
+
Example of the node using power domain:
node {