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clocksource: tegra: move to of_clk_get

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The new clockframework introduced DT IDs for each clock. To be able to remove
the device registrations, this driver needs to be updated to use the DT IDs.
Note that the actual removal of the clk_register_clkdev() calls will be done
in a later series.

Signed-off-by: Peter De Schrijver <pdeschrijver@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
This commit is contained in:
Peter De Schrijver 2013-02-04 15:40:30 +02:00 committed by Stephen Warren
parent 1b14f3a57b
commit 6f88fb8af6
3 changed files with 6 additions and 2 deletions
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2
arch/arm/boot/dts/tegra20.dtsi
View File

@ -144,6 +144,7 @@
0 1 0x04
0 41 0x04
0 42 0x04>;
clocks = <&tegra_car 5>;
};
tegra_car: clock {
@ -303,6 +304,7 @@
compatible = "nvidia,tegra20-rtc";
reg = <0x7000e000 0x100>;
interrupts = <0 2 0x04>;
clocks = <&tegra_car 4>;
};
i2c@7000c000 {

2
arch/arm/boot/dts/tegra30.dtsi
View File

@ -147,6 +147,7 @@
0 42 0x04
0 121 0x04
0 122 0x04>;
clocks = <&tegra_car 5>;
};
tegra_car: clock {
@ -290,6 +291,7 @@
compatible = "nvidia,tegra30-rtc", "nvidia,tegra20-rtc";
reg = <0x7000e000 0x100>;
interrupts = <0 2 0x04>;
clocks = <&tegra_car 4>;
};
i2c@7000c000 {

4
drivers/clocksource/tegra20_timer.c
View File

@ -189,7 +189,7 @@ static void __init tegra20_init_timer(void)
BUG();
}
clk = clk_get_sys("timer", NULL);
clk = of_clk_get(np, 0);
if (IS_ERR(clk)) {
pr_warn("Unable to get timer clock. Assuming 12Mhz input clock.\n");
rate = 12000000;
@ -216,7 +216,7 @@ static void __init tegra20_init_timer(void)
* rtc registers are used by read_persistent_clock, keep the rtc clock
* enabled
*/
clk = clk_get_sys("rtc-tegra", NULL);
clk = of_clk_get(np, 0);
if (IS_ERR(clk))
pr_warn("Unable to get rtc-tegra clock\n");
else