From a218d7fa3f7dbc0d3a168f1ccd13b21313d85dab Mon Sep 17 00:00:00 2001 From: Arnd Bergmann Date: Thu, 8 May 2014 16:56:16 +0200 Subject: clk/versatile: export symbols for impd1 The impd1 code on mach-integrator can be a loadable module, so we have to export icst_clk_register, integrator_impd1_clk_init and integrator_impd1_clk_exit. Signed-off-by: Arnd Bergmann Acked-by: Linus Walleij Signed-off-by: Mike Turquette --- drivers/clk/versatile/clk-icst.c | 1 + drivers/clk/versatile/clk-impd1.c | 2 ++ 2 files changed, 3 insertions(+) (limited to 'drivers/clk/versatile') diff --git a/drivers/clk/versatile/clk-icst.c b/drivers/clk/versatile/clk-icst.c index a820b0cfcf57..7f3868a227c8 100644 --- a/drivers/clk/versatile/clk-icst.c +++ b/drivers/clk/versatile/clk-icst.c @@ -160,3 +160,4 @@ struct clk *icst_clk_register(struct device *dev, return clk; } +EXPORT_SYMBOL_GPL(icst_clk_register); diff --git a/drivers/clk/versatile/clk-impd1.c b/drivers/clk/versatile/clk-impd1.c index 31b44f025f9e..264d8d59ce31 100644 --- a/drivers/clk/versatile/clk-impd1.c +++ b/drivers/clk/versatile/clk-impd1.c @@ -133,6 +133,7 @@ void integrator_impd1_clk_init(void __iomem *base, unsigned int 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) { @@ -155,3 +156,4 @@ void integrator_impd1_clk_exit(unsigned int id) kfree(imc->vco2name); kfree(imc->vco1name); } +EXPORT_SYMBOL_GPL(integrator_impd1_clk_exit); -- cgit v1.2.3 From 222cb1bf180e413e1816aaf4166e4f56e72201d8 Mon Sep 17 00:00:00 2001 From: Linus Walleij Date: Tue, 15 Apr 2014 10:29:45 +0200 Subject: clk: impd1: add pclk clocks The IM-PD1 PrimeCells all have pclk assignments though this clock cannot be controlled, and we need to provide this as a dummy clock for the PL061 GPIO driver to probe, so let's assign it to all the cells on the board. Signed-off-by: Linus Walleij Signed-off-by: Mike Turquette --- drivers/clk/versatile/clk-impd1.c | 36 +++++++++++++++++++++++++++++------- 1 file changed, 29 insertions(+), 7 deletions(-) (limited to 'drivers/clk/versatile') diff --git a/drivers/clk/versatile/clk-impd1.c b/drivers/clk/versatile/clk-impd1.c index 264d8d59ce31..1cc1330dc570 100644 --- a/drivers/clk/versatile/clk-impd1.c +++ b/drivers/clk/versatile/clk-impd1.c @@ -20,6 +20,8 @@ #define IMPD1_LOCK 0x08 struct impd1_clk { + char *pclkname; + struct clk *pclk; char *vco1name; struct clk *vco1clk; char *vco2name; @@ -31,7 +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 */ @@ -86,6 +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) { @@ -94,11 +97,18 @@ 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, 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); @@ -107,28 +117,38 @@ void integrator_impd1_clk_init(void __iomem *base, unsigned int id) 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]); @@ -150,10 +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); -- cgit v1.2.3