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clk: ux500: Add Device Tree support for the TWD clock 

This patch enables the TWD fixed factor clock to be specified from
Device Tree via phandles to the "smp-twd-clock" node.

Acked-by: Mike Turquette <mturquette@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
hifive-unleashed-5.1
Lee Jones 2013-09-17 10:35:00 +01:00 committed by Linus Walleij
parent d625a73067
commit 4e33466095
1 changed files with 5 additions and 2 deletions
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7
drivers/clk/ux500/u8500_of_clk.c
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@ -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, *rtc_clk;
struct clk *clk, *rtc_clk, *twd_clk;
if (of_have_populated_dt())
np = of_find_matching_node(NULL, u8500_clk_of_match);
@ -234,7 +234,7 @@ void u8500_of_clk_init(u32 clkrst1_base, u32 clkrst2_base, u32 clkrst3_base,
clk = clk_reg_prcmu_scalable_rate("armss", NULL,
PRCMU_ARMSS, 0, CLK_IS_ROOT|CLK_IGNORE_UNUSED);
clk = clk_register_fixed_factor(NULL, "smp_twd", "armss",
twd_clk = clk_register_fixed_factor(NULL, "smp_twd", "armss",
CLK_IGNORE_UNUSED, 1, 2);
/*
@ -551,5 +551,8 @@ void u8500_of_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);
}
}