This patch enables the RTC fixed frequency clock to be specified from
Device Tree via phandles to the "rtc32k-clock" node.
Acked-by: Mike Turquette <mturque...@linaro.org>
Signed-off-by: Lee Jones <lee.jo...@linaro.org>
---
drivers/clk/ux500/u8500_of_clk.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/drivers/clk/ux500/u8500_of_clk.c b/drivers/clk/ux500/u8500_of_clk.c
index 4fcafd0..fc647cf 100644
--- a/drivers/clk/ux500/u8500_of_clk.c
+++ b/drivers/clk/ux500/u8500_of_clk.c
@@ -60,7 +60,7 @@ void u8500_of_clk_init(u32 clkrst1_base, u32 clkrst2_base,
u32 clkrst3_base,
struct device_node *np = NULL;
struct device_node *child = NULL;
const char *sgaclk_parent = NULL;
- struct clk *clk;
+ struct clk *clk, *rtc_clk;
if (of_have_populated_dt())
np = of_find_matching_node(NULL, u8500_clk_of_match);
@@ -84,7 +84,7 @@ void u8500_of_clk_init(u32 clkrst1_base, u32 clkrst2_base,
u32 clkrst3_base,
/* FIXME: Add sys, ulp and int clocks here. */
- clk = clk_register_fixed_rate(NULL, "rtc32k", "NULL",
+ rtc_clk = clk_register_fixed_rate(NULL, "rtc32k", "NULL",
CLK_IS_ROOT|CLK_IGNORE_UNUSED,
32768);
@@ -548,5 +548,8 @@ void u8500_of_clk_init(u32 clkrst1_base, u32 clkrst2_base,
u32 clkrst3_base,
if (!of_node_cmp(child->name, "prcc-kernel-clock"))
of_clk_add_provider(child, ux500_twocell_get,
prcc_kclk);
+
+ if (!of_node_cmp(child->name, "rtc32k-clock"))
+ of_clk_add_provider(child, of_clk_src_simple_get,
rtc_clk);
}
}
--
1.8.1.2
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