diff options
Diffstat (limited to 'arch/sh/kernel/cpu/clock.c')
| -rw-r--r-- | arch/sh/kernel/cpu/clock.c | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/arch/sh/kernel/cpu/clock.c b/arch/sh/kernel/cpu/clock.c new file mode 100644 index 0000000000..6fb34410d6 --- /dev/null +++ b/arch/sh/kernel/cpu/clock.c @@ -0,0 +1,52 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * arch/sh/kernel/cpu/clock.c - SuperH clock framework + * + * Copyright (C) 2005 - 2009 Paul Mundt + * + * This clock framework is derived from the OMAP version by: + * + * Copyright (C) 2004 - 2008 Nokia Corporation + * Written by Tuukka Tikkanen <tuukka.tikkanen@elektrobit.com> + * + * Modified for omap shared clock framework by Tony Lindgren <tony@atomide.com> + */ +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/clk.h> +#include <asm/clock.h> +#include <asm/machvec.h> + +int __init clk_init(void) +{ + int ret; + +#ifndef CONFIG_COMMON_CLK + ret = arch_clk_init(); + if (unlikely(ret)) { + pr_err("%s: CPU clock registration failed.\n", __func__); + return ret; + } +#endif + + if (sh_mv.mv_clk_init) { + ret = sh_mv.mv_clk_init(); + if (unlikely(ret)) { + pr_err("%s: machvec clock initialization failed.\n", + __func__); + return ret; + } + } + +#ifndef CONFIG_COMMON_CLK + /* Kick the child clocks.. */ + recalculate_root_clocks(); + + /* Enable the necessary init clocks */ + clk_enable_init_clocks(); +#endif + + return ret; +} + + |