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ARM: mxs: look up timrot clock from device tree

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Change call clk_get_sys() to of_clk_get() to look up timrot clock from
device tree, so that the clk_register_clkdev() call for timrot can be
saved in clock driver.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
This commit is contained in:
Shawn Guo 2013-03-25 22:57:14 +08:00
parent 633ef4c7d1
commit 2efb950465
5 changed files with 3 additions and 4 deletions
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1
arch/arm/boot/dts/imx23.dtsi
View File

@ -426,6 +426,7 @@ timrot@80068000 {
compatible = "fsl,imx23-timrot", "fsl,timrot";
reg = <0x80068000 0x2000>;
interrupts = <28 29 30 31>;
clocks = <&clks 28>;
};
auart0: serial@8006c000 {

1
arch/arm/boot/dts/imx28.dtsi
View File

@ -838,6 +838,7 @@ timrot@80068000 {
compatible = "fsl,imx28-timrot", "fsl,timrot";
reg = <0x80068000 0x2000>;
interrupts = <48 49 50 51>;
clocks = <&clks 26>;
};
auart0: serial@8006a000 {

2
arch/arm/mach-mxs/timer.c
View File

@ -247,7 +247,7 @@ static void __init mxs_timer_init(struct device_node *np)
struct clk *timer_clk;
int irq;
timer_clk = clk_get_sys("timrot", NULL);
timer_clk = of_clk_get(np, 0);
if (IS_ERR(timer_clk)) {
pr_err("%s: failed to get clk\n", __func__);
return;

2
drivers/clk/mxs/clk-imx23.c
View File

@ -159,8 +159,6 @@ int __init mx23_clocks_init(void)
of_clk_add_provider(np, of_clk_src_onecell_get, &clk_data);
}
clk_register_clkdev(clks[clk32k], NULL, "timrot");
for (i = 0; i < ARRAY_SIZE(clks_init_on); i++)
clk_prepare_enable(clks[clks_init_on[i]]);

1
drivers/clk/mxs/clk-imx28.c
View File

@ -237,7 +237,6 @@ int __init mx28_clocks_init(void)
of_clk_add_provider(np, of_clk_src_onecell_get, &clk_data);
}
clk_register_clkdev(clks[xbus], NULL, "timrot");
clk_register_clkdev(clks[enet_out], NULL, "enet_out");
for (i = 0; i < ARRAY_SIZE(clks_init_on); i++)