clk-54xx.c now contains the clock init functionality for omap5, including DT clock registration and adding of static clkdev entries.
Signed-off-by: Tero Kristo <[email protected]> --- drivers/clk/omap/Makefile | 2 +- drivers/clk/omap/clk-54xx.c | 58 +++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 59 insertions(+), 1 deletion(-) create mode 100644 drivers/clk/omap/clk-54xx.c diff --git a/drivers/clk/omap/Makefile b/drivers/clk/omap/Makefile index 9ad10be..74385f2 100644 --- a/drivers/clk/omap/Makefile +++ b/drivers/clk/omap/Makefile @@ -1,2 +1,2 @@ obj-y += clk.o dpll.o autoidle.o gate.o \ - clk-44xx.o + clk-44xx.o clk-54xx.o diff --git a/drivers/clk/omap/clk-54xx.c b/drivers/clk/omap/clk-54xx.c new file mode 100644 index 0000000..ade0481 --- /dev/null +++ b/drivers/clk/omap/clk-54xx.c @@ -0,0 +1,58 @@ +/* + * OMAP5 Clock init + * + * Copyright (C) 2013 Texas Instruments, Inc. + * + * Tero Kristo ([email protected]) + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include <linux/kernel.h> +#include <linux/list.h> +#include <linux/clk-private.h> +#include <linux/clkdev.h> +#include <linux/io.h> +#include <linux/clk/omap.h> + +#define OMAP5_DPLL_ABE_DEFFREQ 98304000 + +static struct omap_dt_clk omap54xx_clks[] = { + DT_CLK(NULL, "timer_32k_ck", "sys_32k_ck"), + DT_CLK("omap_timer.1", "sys_ck", "sys_clkin"), + DT_CLK("omap_timer.2", "sys_ck", "sys_clkin"), + DT_CLK("omap_timer.3", "sys_ck", "sys_clkin"), + DT_CLK("omap_timer.4", "sys_ck", "sys_clkin"), + DT_CLK("omap_timer.9", "sys_ck", "sys_clkin"), + DT_CLK("omap_timer.10", "sys_ck", "sys_clkin"), + DT_CLK("omap_timer.11", "sys_ck", "sys_clkin"), + DT_CLK("omap_timer.5", "sys_ck", "dss_syc_gfclk_div"), + DT_CLK("omap_timer.6", "sys_ck", "dss_syc_gfclk_div"), + DT_CLK("omap_timer.7", "sys_ck", "dss_syc_gfclk_div"), + DT_CLK("omap_timer.8", "sys_ck", "dss_syc_gfclk_div"), +}; + +int __init omap5xxx_clk_init(void) +{ + int rc; + struct clk *abe_dpll_ref, *abe_dpll, *sys_32k_ck; + + dt_omap_clk_init(); + + omap_dt_clocks_register(omap54xx_clks, ARRAY_SIZE(omap54xx_clks)); + + omap2_clk_disable_autoidle_all(); + + abe_dpll_ref = clk_get_sys(NULL, "abe_dpll_clk_mux"); + sys_32k_ck = clk_get_sys(NULL, "sys_32k_ck"); + rc = clk_set_parent(abe_dpll_ref, sys_32k_ck); + abe_dpll = clk_get_sys(NULL, "dpll_abe_ck"); + if (!rc) + rc = clk_set_rate(abe_dpll, OMAP5_DPLL_ABE_DEFFREQ); + if (rc) + pr_err("%s: failed to configure ABE DPLL!\n", __func__); + + return 0; +} -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
