[PATCH RFC 1/3] DT: imx28-clock: add ids for DC-DC clock domain

[Stefan Wahren <stefan.wahren@xxxxxxxx>]

This patch adds the clock ids for the integrated DC-DC converter
of the i.MX28:

 ref_xtal                             |\
 ------------------------------------>| \
                                      |  \         +----------+
                                      |   \        |          |
 ref_pll  |\                          |    +-------> CLK_DCDC |
 -------->| \       +---------+       |   /        |          |
          |  \      |         |       |  /         +----------+
          |   +-----> DIV INT |------>| /
 ref_gpmi |  /      |         |       |/
 -------->| /       +---------+       dcdc_sel
          |/        dcdc_div
          dcdc_pll

Signed-off-by: Stefan Wahren <stefan.wahren@xxxxxxxx>
---
 .../devicetree/bindings/clock/imx28-clock.txt      |    3 +++
 1 file changed, 3 insertions(+)

diff --git a/Documentation/devicetree/bindings/clock/imx28-clock.txt b/Documentation/devicetree/bindings/clock/imx28-clock.txt
index e6587af..3678e3c 100644
--- a/Documentation/devicetree/bindings/clock/imx28-clock.txt
+++ b/Documentation/devicetree/bindings/clock/imx28-clock.txt
@@ -76,6 +76,9 @@ clocks and IDs.
 	usb0_phy	62
 	usb1_phy	63
 	enet_out	64
+	dcdc_pll	65
+	dcdc_div	66
+	dcdc_sel	67
 
 Examples:
 
-- 
1.7.9.5

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