diff options
Diffstat (limited to 'arch/arm/mach-davinci/dm646x.c')
| -rw-r--r-- | arch/arm/mach-davinci/dm646x.c | 63 |
1 files changed, 55 insertions, 8 deletions
diff --git a/arch/arm/mach-davinci/dm646x.c b/arch/arm/mach-davinci/dm646x.c index 280b753702f3..f05090317469 100644 --- a/arch/arm/mach-davinci/dm646x.c +++ b/arch/arm/mach-davinci/dm646x.c @@ -8,29 +8,35 @@ * is licensed "as is" without any warranty of any kind, whether express * or implied. */ + +#include <linux/clk-provider.h> +#include <linux/clk/davinci.h> +#include <linux/clkdev.h> #include <linux/dma-mapping.h> #include <linux/dmaengine.h> #include <linux/init.h> -#include <linux/clk.h> -#include <linux/serial_8250.h> -#include <linux/platform_device.h> #include <linux/platform_data/edma.h> #include <linux/platform_data/gpio-davinci.h> +#include <linux/platform_device.h> +#include <linux/serial_8250.h> #include <asm/mach/map.h> +#include <mach/common.h> #include <mach/cputype.h> #include <mach/irqs.h> -#include "psc.h" #include <mach/mux.h> -#include <mach/time.h> #include <mach/serial.h> -#include <mach/common.h> +#include <mach/time.h> +#include "asp.h" #include "davinci.h" -#include "clock.h" #include "mux.h" -#include "asp.h" + +#ifndef CONFIG_COMMON_CLK +#include "clock.h" +#include "psc.h" +#endif #define DAVINCI_VPIF_BASE (0x01C12000) @@ -46,6 +52,7 @@ #define DM646X_EMAC_CNTRL_RAM_OFFSET 0x2000 #define DM646X_EMAC_CNTRL_RAM_SIZE 0x2000 +#ifndef CONFIG_COMMON_CLK static struct pll_data pll1_data = { .num = 1, .phys_base = DAVINCI_PLL1_BASE, @@ -356,6 +363,7 @@ static struct clk_lookup dm646x_clks[] = { CLK(NULL, "vpif1", &vpif1_clk), CLK(NULL, NULL, NULL), }; +#endif static struct emac_platform_data dm646x_emac_pdata = { .ctrl_reg_offset = DM646X_EMAC_CNTRL_OFFSET, @@ -954,10 +962,49 @@ void __init dm646x_init(void) void __init dm646x_init_time(unsigned long ref_clk_rate, unsigned long aux_clkin_rate) { +#ifdef CONFIG_COMMON_CLK + void __iomem *pll1, *psc; + struct clk *clk; + + clk_register_fixed_rate(NULL, "ref_clk", NULL, 0, ref_clk_rate); + clk_register_fixed_rate(NULL, "aux_clkin", NULL, 0, aux_clkin_rate); + + pll1 = ioremap(DAVINCI_PLL1_BASE, SZ_1K); + dm646x_pll1_init(NULL, pll1, NULL); + + psc = ioremap(DAVINCI_PWR_SLEEP_CNTRL_BASE, SZ_4K); + dm646x_psc_init(NULL, psc); + + clk = clk_get(NULL, "timer0"); + + davinci_timer_init(clk); +#else ref_clk.rate = ref_clk_rate; aux_clkin.rate = aux_clkin_rate; davinci_clk_init(dm646x_clks); davinci_timer_init(&timer0_clk); +#endif +} + +static struct resource dm646x_pll2_resources[] = { + { + .start = DAVINCI_PLL2_BASE, + .end = DAVINCI_PLL2_BASE + SZ_1K - 1, + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device dm646x_pll2_device = { + .name = "dm646x-pll2", + .id = -1, + .resource = dm646x_pll2_resources, + .num_resources = ARRAY_SIZE(dm646x_pll2_resources), +}; + +void __init dm646x_register_clocks(void) +{ + /* PLL1 and PSC are registered in dm646x_init_time() */ + platform_device_register(&dm646x_pll2_device); } static int __init dm646x_init_devices(void) |