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authorShawn Guo <shawn.guo@linaro.org>2013-05-21 09:58:51 +0800
committerShawn Guo <shawn.guo@linaro.org>2013-06-17 15:45:14 +0800
commit53bb71da1c5c14267089218923585840f76e2480 (patch)
tree872fa273049ea680d51bf21c5efb50833f0e9de5 /arch/arm/mach-imx
parent12aad63ca466409a531e5b79abb59d8de33bcbaa (diff)
ARM: imx6: use common of_clk_init() call to initialize clocks
Instead of explicitly calling clock initialization functions, we can declare the functions with CLK_OF_DECLARE() and then call common of_clk_init() to have them invoked properly. Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Diffstat (limited to 'arch/arm/mach-imx')
-rw-r--r--arch/arm/mach-imx/clk-imx6q.c9
-rw-r--r--arch/arm/mach-imx/clk-imx6sl.c9
-rw-r--r--arch/arm/mach-imx/common.h2
-rw-r--r--arch/arm/mach-imx/mach-imx6q.c3
-rw-r--r--arch/arm/mach-imx/mach-imx6sl.c3
5 files changed, 10 insertions, 16 deletions
diff --git a/arch/arm/mach-imx/clk-imx6q.c b/arch/arm/mach-imx/clk-imx6q.c
index 80d350b814d7..930a1a589c68 100644
--- a/arch/arm/mach-imx/clk-imx6q.c
+++ b/arch/arm/mach-imx/clk-imx6q.c
@@ -270,14 +270,12 @@ static struct clk_div_table video_div_table[] = {
{ }
};
-int __init mx6q_clocks_init(void)
+static void __init imx6q_clocks_init(struct device_node *ccm_node)
{
struct device_node *np;
void __iomem *base;
int i, irq;
- of_clk_init(NULL);
-
clk[dummy] = imx_clk_fixed("dummy", 0);
clk[ckil] = imx_obtain_fixed_clock("ckil", 0);
clk[ckih] = imx_obtain_fixed_clock("ckih1", 0);
@@ -350,7 +348,7 @@ int __init mx6q_clocks_init(void)
clk[pll5_post_div] = clk_register_divider_table(NULL, "pll5_post_div", "pll5_video", CLK_SET_RATE_PARENT, base + 0xa0, 19, 2, 0, post_div_table, &imx_ccm_lock);
clk[pll5_video_div] = clk_register_divider_table(NULL, "pll5_video_div", "pll5_post_div", CLK_SET_RATE_PARENT, base + 0x170, 30, 2, 0, video_div_table, &imx_ccm_lock);
- np = of_find_compatible_node(NULL, NULL, "fsl,imx6q-ccm");
+ np = ccm_node;
base = of_iomap(np, 0);
WARN_ON(!base);
ccm_base = base;
@@ -581,6 +579,5 @@ int __init mx6q_clocks_init(void)
WARN_ON(!base);
irq = irq_of_parse_and_map(np, 0);
mxc_timer_init(base, irq);
-
- return 0;
}
+CLK_OF_DECLARE(imx6q, "fsl,imx6q-ccm", imx6q_clocks_init);
diff --git a/arch/arm/mach-imx/clk-imx6sl.c b/arch/arm/mach-imx/clk-imx6sl.c
index 76835a731db2..a307ac22dffe 100644
--- a/arch/arm/mach-imx/clk-imx6sl.c
+++ b/arch/arm/mach-imx/clk-imx6sl.c
@@ -66,15 +66,13 @@ static struct clk_div_table video_div_table[] = {
static struct clk *clks[IMX6SL_CLK_CLK_END];
static struct clk_onecell_data clk_data;
-int __init imx6sl_clocks_init(void)
+static void __init imx6sl_clocks_init(struct device_node *ccm_node)
{
struct device_node *np;
void __iomem *base;
int irq;
int i;
- of_clk_init(NULL);
-
clks[IMX6SL_CLK_DUMMY] = imx_clk_fixed("dummy", 0);
clks[IMX6SL_CLK_CKIL] = imx_obtain_fixed_clock("ckil", 0);
clks[IMX6SL_CLK_OSC] = imx_obtain_fixed_clock("osc", 0);
@@ -125,7 +123,7 @@ int __init imx6sl_clocks_init(void)
clks[IMX6SL_CLK_PLL3_80M] = imx_clk_fixed_factor("pll3_80m", "pll3_usb_otg", 1, 6);
clks[IMX6SL_CLK_PLL3_60M] = imx_clk_fixed_factor("pll3_60m", "pll3_usb_otg", 1, 8);
- np = of_find_compatible_node(NULL, NULL, "fsl,imx6sl-ccm");
+ np = ccm_node;
base = of_iomap(np, 0);
WARN_ON(!base);
@@ -265,6 +263,5 @@ int __init imx6sl_clocks_init(void)
WARN_ON(!base);
irq = irq_of_parse_and_map(np, 0);
mxc_timer_init(base, irq);
-
- return 0;
}
+CLK_OF_DECLARE(imx6sl, "fsl,imx6sl-ccm", imx6sl_clocks_init);
diff --git a/arch/arm/mach-imx/common.h b/arch/arm/mach-imx/common.h
index 208e76fcc6b9..ee78847abf47 100644
--- a/arch/arm/mach-imx/common.h
+++ b/arch/arm/mach-imx/common.h
@@ -68,8 +68,6 @@ extern int mx27_clocks_init_dt(void);
extern int mx31_clocks_init_dt(void);
extern int mx51_clocks_init_dt(void);
extern int mx53_clocks_init_dt(void);
-extern int mx6q_clocks_init(void);
-extern int imx6sl_clocks_init(void);
extern struct platform_device *mxc_register_gpio(char *name, int id,
resource_size_t iobase, resource_size_t iosize, int irq, int irq_high);
extern void mxc_set_cpu_type(unsigned int type);
diff --git a/arch/arm/mach-imx/mach-imx6q.c b/arch/arm/mach-imx/mach-imx6q.c
index ec4b7fc61edb..045e5e30b18f 100644
--- a/arch/arm/mach-imx/mach-imx6q.c
+++ b/arch/arm/mach-imx/mach-imx6q.c
@@ -11,6 +11,7 @@
*/
#include <linux/clk.h>
+#include <linux/clk-provider.h>
#include <linux/clkdev.h>
#include <linux/clocksource.h>
#include <linux/cpu.h>
@@ -298,7 +299,7 @@ static void __init imx6q_init_irq(void)
static void __init imx6q_timer_init(void)
{
- mx6q_clocks_init();
+ of_clk_init(NULL);
clocksource_of_init();
imx_print_silicon_rev(cpu_is_imx6dl() ? "i.MX6DL" : "i.MX6Q",
imx6q_revision());
diff --git a/arch/arm/mach-imx/mach-imx6sl.c b/arch/arm/mach-imx/mach-imx6sl.c
index 0130ee6284f1..132db2609507 100644
--- a/arch/arm/mach-imx/mach-imx6sl.c
+++ b/arch/arm/mach-imx/mach-imx6sl.c
@@ -7,6 +7,7 @@
*
*/
+#include <linux/clk-provider.h>
#include <linux/irqchip.h>
#include <linux/of.h>
#include <linux/of_platform.h>
@@ -33,7 +34,7 @@ static void __init imx6sl_init_irq(void)
static void __init imx6sl_timer_init(void)
{
- imx6sl_clocks_init();
+ of_clk_init(NULL);
}
static const char *imx6sl_dt_compat[] __initdata = {