drivers/rtc/rtc-hym8563.c: add optional clock-output-names property

This enables the setting of a custom clock name for the clock provided by
the hym8563 rtc.

Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Reviewed-by: Mike Turquette <mturquette@linaro.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/Documentation/devicetree/bindings/rtc/haoyu,hym8563.txt b/Documentation/devicetree/bindings/rtc/haoyu,hym8563.txt
index 31406fd..5c199ee 100644 (file)
--- a/Documentation/devicetree/bindings/rtc/haoyu,hym8563.txt
+++ b/Documentation/devicetree/bindings/rtc/haoyu,hym8563.txt
@@ -9,6 +9,9 @@ Required properties:
 - interrupts: rtc alarm/event interrupt
 - #clock-cells: the value should be 0
 
+Optional properties:
+- clock-output-names: From common clock binding
+
 Example:
 
 hym8563: hym8563@51 {

diff --git a/drivers/rtc/rtc-hym8563.c b/drivers/rtc/rtc-hym8563.c
index e3290ab..b936bb4 100644 (file)
--- a/drivers/rtc/rtc-hym8563.c
+++ b/drivers/rtc/rtc-hym8563.c
@@ -418,6 +418,9 @@ static struct clk *hym8563_clkout_register_clk(struct hym8563 *hym8563)
        init.num_parents = 0;
        hym8563->clkout_hw.init = &init;
 
+       /* optional override of the clockname */
+       of_property_read_string(node, "clock-output-names", &init.name);
+
        /* register the clock */
        clk = clk_register(&client->dev, &hym8563->clkout_hw);