diff options
Diffstat (limited to 'arch/arm/mach-integrator/impd1.c')
-rw-r--r-- | arch/arm/mach-integrator/impd1.c | 44 |
1 files changed, 23 insertions, 21 deletions
diff --git a/arch/arm/mach-integrator/impd1.c b/arch/arm/mach-integrator/impd1.c index 0058c937719..fd684bf205e 100644 --- a/arch/arm/mach-integrator/impd1.c +++ b/arch/arm/mach-integrator/impd1.c @@ -21,10 +21,11 @@ #include <linux/amba/bus.h> #include <linux/amba/clcd.h> #include <linux/io.h> +#include <linux/slab.h> #include <asm/clkdev.h> #include <mach/clkdev.h> -#include <asm/hardware/icst525.h> +#include <asm/hardware/icst.h> #include <mach/lm.h> #include <mach/impd1.h> #include <asm/sizes.h> @@ -40,32 +41,25 @@ struct impd1_module { struct clk_lookup *clks[3]; }; -static const struct icst525_params impd1_vco_params = { - .ref = 24000, /* 24 MHz */ - .vco_max = 200000, /* 200 MHz */ +static const struct icst_params impd1_vco_params = { + .ref = 24000000, /* 24 MHz */ + .vco_max = ICST525_VCO_MAX_3V, + .vco_min = ICST525_VCO_MIN, .vd_min = 12, .vd_max = 519, .rd_min = 3, .rd_max = 120, + .s2div = icst525_s2div, + .idx2s = icst525_idx2s, }; -static void impd1_setvco(struct clk *clk, struct icst525_vco vco) +static void impd1_setvco(struct clk *clk, struct icst_vco vco) { struct impd1_module *impd1 = clk->data; - int vconr = clk - impd1->vcos; - u32 val; - - val = vco.v | (vco.r << 9) | (vco.s << 16); + u32 val = vco.v | (vco.r << 9) | (vco.s << 16); writel(0xa05f, impd1->base + IMPD1_LOCK); - switch (vconr) { - case 0: - writel(val, impd1->base + IMPD1_OSC1); - break; - case 1: - writel(val, impd1->base + IMPD1_OSC2); - break; - } + writel(val, clk->vcoreg); writel(0, impd1->base + IMPD1_LOCK); #ifdef DEBUG @@ -73,11 +67,17 @@ static void impd1_setvco(struct clk *clk, struct icst525_vco vco) vco.r = (val >> 9) & 0x7f; vco.s = (val >> 16) & 7; - pr_debug("IM-PD1: VCO%d clock is %ld kHz\n", - vconr, icst525_khz(&impd1_vco_params, vco)); + pr_debug("IM-PD1: VCO%d clock is %ld Hz\n", + vconr, icst525_hz(&impd1_vco_params, vco)); #endif } +static const struct clk_ops impd1_clk_ops = { + .round = icst_clk_round, + .set = icst_clk_set, + .setvco = impd1_setvco, +}; + void impd1_tweak_control(struct device *dev, u32 mask, u32 val) { struct impd1_module *impd1 = dev_get_drvdata(dev); @@ -373,11 +373,13 @@ static int impd1_probe(struct lm_device *dev) (unsigned long)dev->resource.start); for (i = 0; i < ARRAY_SIZE(impd1->vcos); i++) { + impd1->vcos[i].ops = &impd1_clk_ops, impd1->vcos[i].owner = THIS_MODULE, impd1->vcos[i].params = &impd1_vco_params, - impd1->vcos[i].data = impd1, - impd1->vcos[i].setvco = impd1_setvco; + impd1->vcos[i].data = impd1; } + impd1->vcos[0].vcoreg = impd1->base + IMPD1_OSC1; + impd1->vcos[1].vcoreg = impd1->base + IMPD1_OSC2; impd1->clks[0] = clkdev_alloc(&impd1->vcos[0], NULL, "lm%x:01000", dev->id); |