diff options
| author | Andrew Lunn <andrew@lunn.ch> | 2011-12-15 08:15:07 +0100 |
|---|---|---|
| committer | Mike Turquette <mturquette@linaro.org> | 2012-05-08 16:33:39 -0700 |
| commit | 2f129bf4aab684bef1e82e747b709a5025ecb698 (patch) | |
| tree | 4be6e04fc306cfad25b3b86f831cd4d462c10f44 /arch/arm/mach-dove | |
| parent | f0948f59dbc8e725a96ba16da666e8f5cdd43ba8 (diff) | |
| download | linux-2f129bf4aab684bef1e82e747b709a5025ecb698.tar.bz2 | |
ARM: Orion: Add clocks using the generic clk infrastructure.
Add tclk as a fixed rate clock for all platforms. In addition, on
kirkwood, add a gated clock for most of the clocks which can be gated.
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Tested-by: Jamie Lentin <jm@lentin.co.uk>
[mturquette@linaro.org: removed redundant CLKDEV_LOOKUP from Kconfig]
[mturquette@linaro.org: removed redundant clk.h from mach-dove/common.c]
Signed-off-by: Mike Turquette <mturquette@linaro.org>
Diffstat (limited to 'arch/arm/mach-dove')
| -rw-r--r-- | arch/arm/mach-dove/common.c | 22 |
1 files changed, 16 insertions, 6 deletions
diff --git a/arch/arm/mach-dove/common.c b/arch/arm/mach-dove/common.c index bda7aca04ca0..63fe6e612e98 100644 --- a/arch/arm/mach-dove/common.c +++ b/arch/arm/mach-dove/common.c @@ -13,7 +13,7 @@ #include <linux/init.h> #include <linux/platform_device.h> #include <linux/pci.h> -#include <linux/clk.h> +#include <linux/clk-provider.h> #include <linux/ata_platform.h> #include <linux/gpio.h> #include <asm/page.h> @@ -68,6 +68,17 @@ void __init dove_map_io(void) } /***************************************************************************** + * CLK tree + ****************************************************************************/ +static struct clk *tclk; + +static void __init clk_init(void) +{ + tclk = clk_register_fixed_rate(NULL, "tclk", NULL, CLK_IS_ROOT, + get_tclk()); +} + +/***************************************************************************** * EHCI0 ****************************************************************************/ void __init dove_ehci0_init(void) @@ -272,18 +283,17 @@ void __init dove_sdio1_init(void) void __init dove_init(void) { - int tclk; - - tclk = get_tclk(); - printk(KERN_INFO "Dove 88AP510 SoC, "); - printk(KERN_INFO "TCLK = %dMHz\n", (tclk + 499999) / 1000000); + printk(KERN_INFO "TCLK = %dMHz\n", (get_tclk() + 499999) / 1000000); #ifdef CONFIG_CACHE_TAUROS2 tauros2_init(); #endif dove_setup_cpu_mbus(); + /* Setup root of clk tree */ + clk_init(); + /* internal devices that every board has */ dove_rtc_init(); dove_xor0_init(); |