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authorSebastian Hesselbarth <sebastian.hesselbarth@gmail.com>2013-09-17 00:32:34 +0200
committerSebastian Hesselbarth <sebastian.hesselbarth@gmail.com>2013-09-29 21:07:06 +0200
commit74227e65f9742f559f6e243ba2c9a983e1f1221d (patch)
tree4a14ec1caaaaa84ef29d76ef617d154727ba3ed4 /drivers/clk
parentea25a900f593cd34347ec884b3acac09ffe07667 (diff)
downloadlinux-74227e65f9742f559f6e243ba2c9a983e1f1221d.tar.bz2
clk: nomadik: declare OF clock provider
Common clock framework allows to register clock providers to get called on of_clk_init() by using CLK_OF_DECLARE. This converts nomadik clock provider to make use of it and get rid of the mach specific clk init call. As clocks require system reset controller base address to be initialized each clock driver checks src_base and calls new nomadik_src_init if required. Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com> Acked-by: Linus Walleij <linus.walleij@linaro.org> Acked-by: Mike Turquette <mturquette@linaro.org>
Diffstat (limited to 'drivers/clk')
-rw-r--r--drivers/clk/clk-nomadik.c45
1 files changed, 15 insertions, 30 deletions
diff --git a/drivers/clk/clk-nomadik.c b/drivers/clk/clk-nomadik.c
index 06b29c264dbe..ce2d6b32e3f5 100644
--- a/drivers/clk/clk-nomadik.c
+++ b/drivers/clk/clk-nomadik.c
@@ -512,6 +512,9 @@ static void __init of_nomadik_pll_setup(struct device_node *np)
const char *parent_name;
u32 pll_id;
+ if (!src_base)
+ nomadik_src_init();
+
if (of_property_read_u32(np, "pll-id", &pll_id)) {
pr_err("%s: PLL \"%s\" missing pll-id property\n",
__func__, clk_name);
@@ -522,6 +525,8 @@ static void __init of_nomadik_pll_setup(struct device_node *np)
if (!IS_ERR(clk))
of_clk_add_provider(np, of_clk_src_simple_get, clk);
}
+CLK_OF_DECLARE(nomadik_pll_clk,
+ "st,nomadik-pll-clock", of_nomadik_pll_setup);
static void __init of_nomadik_hclk_setup(struct device_node *np)
{
@@ -529,6 +534,9 @@ static void __init of_nomadik_hclk_setup(struct device_node *np)
const char *clk_name = np->name;
const char *parent_name;
+ if (!src_base)
+ nomadik_src_init();
+
parent_name = of_clk_get_parent_name(np, 0);
/*
* The HCLK divides PLL1 with 1 (passthru), 2, 3 or 4.
@@ -541,6 +549,8 @@ static void __init of_nomadik_hclk_setup(struct device_node *np)
if (!IS_ERR(clk))
of_clk_add_provider(np, of_clk_src_simple_get, clk);
}
+CLK_OF_DECLARE(nomadik_hclk_clk,
+ "st,nomadik-hclk-clock", of_nomadik_hclk_setup);
static void __init of_nomadik_src_clk_setup(struct device_node *np)
{
@@ -549,6 +559,9 @@ static void __init of_nomadik_src_clk_setup(struct device_node *np)
const char *parent_name;
u32 clk_id;
+ if (!src_base)
+ nomadik_src_init();
+
if (of_property_read_u32(np, "clock-id", &clk_id)) {
pr_err("%s: SRC clock \"%s\" missing clock-id property\n",
__func__, clk_name);
@@ -559,33 +572,5 @@ static void __init of_nomadik_src_clk_setup(struct device_node *np)
if (!IS_ERR(clk))
of_clk_add_provider(np, of_clk_src_simple_get, clk);
}
-
-static const struct of_device_id nomadik_src_clk_match[] __initconst = {
- {
- .compatible = "fixed-clock",
- .data = of_fixed_clk_setup,
- },
- {
- .compatible = "fixed-factor-clock",
- .data = of_fixed_factor_clk_setup,
- },
- {
- .compatible = "st,nomadik-pll-clock",
- .data = of_nomadik_pll_setup,
- },
- {
- .compatible = "st,nomadik-hclk-clock",
- .data = of_nomadik_hclk_setup,
- },
- {
- .compatible = "st,nomadik-src-clock",
- .data = of_nomadik_src_clk_setup,
- },
- { /* sentinel */ }
-};
-
-void __init nomadik_clk_init(void)
-{
- nomadik_src_init();
- of_clk_init(nomadik_src_clk_match);
-}
+CLK_OF_DECLARE(nomadik_src_clk,
+ "st,nomadik-src-clock", of_nomadik_src_clk_setup);