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Subject[PATCH 23/33] clk: ux500: Add Device Tree support for the TWD clock
Date
This patch enables the TWD fixed factor clock to be specified from
Device Tree via phandles to the "smp-twd-clock" node.

Cc: Mike Turquette <mturquette@linaro.org>
Cc: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
---
drivers/clk/ux500/u8500_clk.c | 9 ++++++---
1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/drivers/clk/ux500/u8500_clk.c b/drivers/clk/ux500/u8500_clk.c
index ebd0381..b890067 100644
--- a/drivers/clk/ux500/u8500_clk.c
+++ b/drivers/clk/ux500/u8500_clk.c
@@ -60,7 +60,7 @@ void u8500_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, *rtc_clk;
+ struct clk *clk, *rtc_clk, *twd_clk;

/* Clock sources */
clk = clk_reg_prcmu_gate("soc0_pll", NULL, PRCMU_PLLSOC0,
@@ -283,9 +283,9 @@ void u8500_clk_init(u32 clkrst1_base, u32 clkrst2_base, u32 clkrst3_base,
PRCMU_ARMSS, 0, CLK_IS_ROOT|CLK_IGNORE_UNUSED);
clk_register_clkdev(clk, "armss", NULL);

- clk = clk_register_fixed_factor(NULL, "smp_twd", "armss",
+ twd_clk = clk_register_fixed_factor(NULL, "smp_twd", "armss",
CLK_IGNORE_UNUSED, 1, 2);
- clk_register_clkdev(clk, NULL, "smp_twd");
+ clk_register_clkdev(twd_clk, NULL, "smp_twd");

/*
* FIXME: Add special handled PRCMU clocks here:
@@ -693,5 +693,8 @@ void u8500_clk_init(u32 clkrst1_base, u32 clkrst2_base, u32 clkrst3_base,

if (!of_node_cmp(child->name, "rtc32k-clock"))
of_clk_add_provider(child, of_clk_src_simple_get, rtc_clk);
+
+ if (!of_node_cmp(child->name, "smp-twd-clock"))
+ of_clk_add_provider(child, of_clk_src_simple_get, twd_clk);
}
}
--
1.7.10.4


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