Re: [PATCH 4/4] ARM: DRA7: clockdomain data: add init file for dra7

[Mike Turquette <mturquette@linaro.org>]

Quoting Tero Kristo (2013-06-27 01:38:19)
> cclock7xx_data.c now contains only init function and the clkdev mapping
> that is still needed by some drivers. Eventually most of this file can
> be removed, once a common location for the clk init can be found, and
> the clkdev mapping is no longer needed.
> 
> Signed-off-by: Tero Kristo <t-kristo@ti.com>
> ---
>  arch/arm/mach-omap2/cclock7xx_data.c |   93 ++++++++++++++++++++++++++++++++++
>  1 file changed, 93 insertions(+)
>  create mode 100644 arch/arm/mach-omap2/cclock7xx_data.c

Why not drivers/clk/omap/clk-dra7xx.c?

Regards,
Mike

> 
> diff --git a/arch/arm/mach-omap2/cclock7xx_data.c b/arch/arm/mach-omap2/cclock7xx_data.c
> new file mode 100644
> index 0000000..dba528a
> --- /dev/null
> +++ b/arch/arm/mach-omap2/cclock7xx_data.c
> @@ -0,0 +1,83 @@
> +/*
> + * DRA7xx Clock data
> + *
> + * Copyright (C) 2013 Texas Instruments, Inc.
> + *
> + * Paul Walmsley (paul@pwsan.com)
> + * Rajendra Nayak (rnayak@ti.com)
> + * Benoit Cousson (b-cousson@ti.com)
> + * Mike Turquette (mturquette@linaro.org)
> + * Tero Kristo (t-kristo@ti.com)
> + *
> + * 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-provider.h>
> +#include <linux/clkdev.h>
> +#include <linux/io.h>
> +#include <linux/clk/omap.h>
> +
> +#include "soc.h"
> +#include "clock.h"
> +
> +#define DRA7_DPLL_ABE_DEFFREQ                  361267200
> +#define DRA7_DPLL_GMAC_DEFFREQ                 1000000000
> +
> +/*
> + * clkdev
> + */
> +
> +static struct omap_dt_clk dra7xx_clks[] = {
> +       DT_CLK(NULL,    "timer_32k_ck",         "sys_32k_ck"),
> +       DT_CLK("4ae18000.timer",        "timer_sys_ck",         "sys_clkin2"),
> +       DT_CLK("48032000.timer",        "timer_sys_ck",         "sys_clkin2"),
> +       DT_CLK("48034000.timer",        "timer_sys_ck",         "sys_clkin2"),
> +       DT_CLK("48036000.timer",        "timer_sys_ck",         "sys_clkin2"),
> +       DT_CLK("4803e000.timer",        "timer_sys_ck",         "sys_clkin2"),
> +       DT_CLK("48086000.timer",        "timer_sys_ck",         "sys_clkin2"),
> +       DT_CLK("48088000.timer",        "timer_sys_ck",         "sys_clkin2"),
> +       DT_CLK("48820000.timer",        "timer_sys_ck",         "timer_sys_clk_div"),
> +       DT_CLK("48822000.timer",        "timer_sys_ck",         "timer_sys_clk_div"),
> +       DT_CLK("48824000.timer",        "timer_sys_ck",         "timer_sys_clk_div"),
> +       DT_CLK("48826000.timer",        "timer_sys_ck",         "timer_sys_clk_div"),
> +       DT_CLK(NULL,       "sys_clkin",                    "sys_clkin1"),
> +};
> +
> +int __init dra7xx_clk_init(void)
> +{
> +       struct clk *abe_dpll_mux, *sys_clkin2, *dpll_ck;
> +       int rc;
> +       /*
> +        * Must stay commented until all OMAP SoC drivers are
> +        * converted to runtime PM, or drivers may start crashing
> +        *
> +        * omap2_clk_disable_clkdm_control();
> +        */
> +
> +       dt_omap_clk_init();
> +
> +       omap_dt_clocks_register(dra7xx_clks, ARRAY_SIZE(dra7xx_clks));
> +
> +       omap2_clk_disable_autoidle_all();
> +
> +       abe_dpll_mux = clk_get_sys(NULL, "abe_dpll_sys_clk_mux");
> +       sys_clkin2 = clk_get_sys(NULL, "sys_clkin2");
> +       dpll_ck = clk_get_sys(NULL, "dpll_abe_ck");
> +
> +       rc = clk_set_parent(abe_dpll_mux, sys_clkin2);
> +       if (!rc)
> +               rc = clk_set_rate(dpll_ck, DRA7_DPLL_ABE_DEFFREQ);
> +       if (rc)
> +               pr_err("%s: failed to configure ABE DPLL!\n", __func__);
> +
> +       dpll_ck = clk_get_sys(NULL, "dpll_gmac_ck");
> +       rc = clk_set_rate(dpll_ck, DRA7_DPLL_GMAC_DEFFREQ);
> +       if (rc)
> +               pr_err("%s: failed to configure GMAC DPLL!\n", __func__);
> +
> +       return 0;
> +}
> -- 
> 1.7.9.5