diff options
Diffstat (limited to 'drivers/clk/versatile/clk-impd1.c')
| -rw-r--r-- | drivers/clk/versatile/clk-impd1.c | 50 |
1 files changed, 39 insertions, 11 deletions
diff --git a/drivers/clk/versatile/clk-impd1.c b/drivers/clk/versatile/clk-impd1.c index 844f8d711a1..1cc1330dc57 100644 --- a/drivers/clk/versatile/clk-impd1.c +++ b/drivers/clk/versatile/clk-impd1.c @@ -13,11 +13,15 @@ #include <linux/io.h> #include <linux/platform_data/clk-integrator.h> -#include <mach/impd1.h> - #include "clk-icst.h" +#define IMPD1_OSC1 0x00 +#define IMPD1_OSC2 0x04 +#define IMPD1_LOCK 0x08 + struct impd1_clk { + char *pclkname; + struct clk *pclk; char *vco1name; struct clk *vco1clk; char *vco2name; @@ -29,7 +33,7 @@ struct impd1_clk { struct clk *spiclk; char *scname; struct clk *scclk; - struct clk_lookup *clks[6]; + struct clk_lookup *clks[15]; }; /* One entry for each connected IM-PD1 LM */ @@ -84,6 +88,7 @@ void integrator_impd1_clk_init(void __iomem *base, unsigned int id) { struct impd1_clk *imc; struct clk *clk; + struct clk *pclk; int i; if (id > 3) { @@ -92,43 +97,63 @@ void integrator_impd1_clk_init(void __iomem *base, unsigned int id) } imc = &impd1_clks[id]; + /* Register the fixed rate PCLK */ + imc->pclkname = kasprintf(GFP_KERNEL, "lm%x-pclk", id); + pclk = clk_register_fixed_rate(NULL, imc->pclkname, NULL, + CLK_IS_ROOT, 0); + imc->pclk = pclk; + imc->vco1name = kasprintf(GFP_KERNEL, "lm%x-vco1", id); - clk = icst_clk_register(NULL, &impd1_icst1_desc, imc->vco1name, base); + clk = icst_clk_register(NULL, &impd1_icst1_desc, imc->vco1name, NULL, + base); imc->vco1clk = clk; - imc->clks[0] = clkdev_alloc(clk, NULL, "lm%x:01000", id); + imc->clks[0] = clkdev_alloc(pclk, "apb_pclk", "lm%x:01000", id); + imc->clks[1] = clkdev_alloc(clk, NULL, "lm%x:01000", id); /* VCO2 is also called "CLK2" */ imc->vco2name = kasprintf(GFP_KERNEL, "lm%x-vco2", id); - clk = icst_clk_register(NULL, &impd1_icst2_desc, imc->vco2name, base); + clk = icst_clk_register(NULL, &impd1_icst2_desc, imc->vco2name, NULL, + base); imc->vco2clk = clk; /* MMCI uses CLK2 right off */ - imc->clks[1] = clkdev_alloc(clk, NULL, "lm%x:00700", id); + imc->clks[2] = clkdev_alloc(pclk, "apb_pclk", "lm%x:00700", id); + imc->clks[3] = clkdev_alloc(clk, NULL, "lm%x:00700", id); /* UART reference clock divides CLK2 by a fixed factor 4 */ imc->uartname = kasprintf(GFP_KERNEL, "lm%x-uartclk", id); clk = clk_register_fixed_factor(NULL, imc->uartname, imc->vco2name, CLK_IGNORE_UNUSED, 1, 4); imc->uartclk = clk; - imc->clks[2] = clkdev_alloc(clk, NULL, "lm%x:00100", id); - imc->clks[3] = clkdev_alloc(clk, NULL, "lm%x:00200", id); + imc->clks[4] = clkdev_alloc(pclk, "apb_pclk", "lm%x:00100", id); + imc->clks[5] = clkdev_alloc(clk, NULL, "lm%x:00100", id); + imc->clks[6] = clkdev_alloc(pclk, "apb_pclk", "lm%x:00200", id); + imc->clks[7] = clkdev_alloc(clk, NULL, "lm%x:00200", id); /* SPI PL022 clock divides CLK2 by a fixed factor 64 */ imc->spiname = kasprintf(GFP_KERNEL, "lm%x-spiclk", id); clk = clk_register_fixed_factor(NULL, imc->spiname, imc->vco2name, CLK_IGNORE_UNUSED, 1, 64); - imc->clks[4] = clkdev_alloc(clk, NULL, "lm%x:00300", id); + imc->clks[8] = clkdev_alloc(pclk, "apb_pclk", "lm%x:00300", id); + imc->clks[9] = clkdev_alloc(clk, NULL, "lm%x:00300", id); + + /* The GPIO blocks and AACI have only PCLK */ + imc->clks[10] = clkdev_alloc(pclk, "apb_pclk", "lm%x:00400", id); + imc->clks[11] = clkdev_alloc(pclk, "apb_pclk", "lm%x:00500", id); + imc->clks[12] = clkdev_alloc(pclk, "apb_pclk", "lm%x:00800", id); /* Smart Card clock divides CLK2 by a fixed factor 4 */ imc->scname = kasprintf(GFP_KERNEL, "lm%x-scclk", id); clk = clk_register_fixed_factor(NULL, imc->scname, imc->vco2name, CLK_IGNORE_UNUSED, 1, 4); imc->scclk = clk; - imc->clks[5] = clkdev_alloc(clk, NULL, "lm%x:00600", id); + imc->clks[13] = clkdev_alloc(pclk, "apb_pclk", "lm%x:00600", id); + imc->clks[14] = clkdev_alloc(clk, NULL, "lm%x:00600", id); for (i = 0; i < ARRAY_SIZE(imc->clks); i++) clkdev_add(imc->clks[i]); } +EXPORT_SYMBOL_GPL(integrator_impd1_clk_init); void integrator_impd1_clk_exit(unsigned int id) { @@ -145,9 +170,12 @@ void integrator_impd1_clk_exit(unsigned int id) clk_unregister(imc->uartclk); clk_unregister(imc->vco2clk); clk_unregister(imc->vco1clk); + clk_unregister(imc->pclk); kfree(imc->scname); kfree(imc->spiname); kfree(imc->uartname); kfree(imc->vco2name); kfree(imc->vco1name); + kfree(imc->pclkname); } +EXPORT_SYMBOL_GPL(integrator_impd1_clk_exit); |